Analysis Report n8x3d68Gnd.dll

Overview

General Information

Sample Name: n8x3d68Gnd.dll
Analysis ID: 433105
MD5: d5c0bac78e53b46b2fff5e470e98210c
SHA1: a00da4d379748f9e6f2de1006f10156aa8c36f39
SHA256: b92289a53611d6f8c078e931c3c5c6ce577e05358bdf54389830e962090991b7
Tags: dllGoziISFBUrsnif
Infos:

Most interesting Screenshot:

Detection

Ursnif
Score: 56
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Antivirus / Scanner detection for submitted sample
Yara detected Ursnif
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to open a port and listen for incoming connection (possibly a backdoor)
Contains functionality to query CPU information (cpuid)
Contains functionality to query locales information (e.g. system language)
Contains functionality to read the PEB
Creates a DirectInput object (often for capturing keystrokes)
Creates a process in suspended mode (likely to inject code)
Detected potential crypto function
Found potential string decryption / allocating functions
PE file contains an invalid checksum
Program does not show much activity (idle)
Sample execution stops while process was sleeping (likely an evasion)
Uses 32bit PE files
Uses code obfuscation techniques (call, push, ret)

Classification

AV Detection:

barindex
Antivirus / Scanner detection for submitted sample
Source: n8x3d68Gnd.dll Avira: detected

Compliance:

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Uses 32bit PE files
Source: n8x3d68Gnd.dll Static PE information: 32BIT_MACHINE, EXECUTABLE_IMAGE, DLL
Source: n8x3d68Gnd.dll Static PE information: DYNAMIC_BASE, NX_COMPAT
Source: Binary string: c:\938\follow-Record\Suffix\observe-element\force.pdb source: loaddll32.exe, 00000000.00000002.917348475.000000006D4EA000.00000002.00020000.sdmp, rundll32.exe, 00000002.00000002.962266346.000000006D4EA000.00000002.00020000.sdmp, rundll32.exe, 00000003.00000002.966549203.000000006D4EA000.00000002.00020000.sdmp, rundll32.exe, 0000000D.00000002.966145648.000000006D4EA000.00000002.00020000.sdmp, rundll32.exe, 00000010.00000002.964938469.000000006D4EA000.00000002.00020000.sdmp, rundll32.exe, 00000015.00000002.921321344.000000006D4EA000.00000002.00020000.sdmp, rundll32.exe, 00000018.00000002.959988796.000000006D4EA000.00000002.00020000.sdmp, n8x3d68Gnd.dll

Key, Mouse, Clipboard, Microphone and Screen Capturing:

barindex
Yara detected Ursnif
Source: Yara match File source: n8x3d68Gnd.dll, type: SAMPLE
Source: Yara match File source: 00000018.00000002.945736297.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 00000003.00000002.949353578.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 0000000D.00000002.945539240.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.962212872.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 00000010.00000002.944163100.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.917299629.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 00000015.00000002.921268168.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 0.2.loaddll32.exe.6d460000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 3.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 21.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 24.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 13.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 16.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 2.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Creates a DirectInput object (often for capturing keystrokes)
Source: loaddll32.exe, 00000000.00000002.917221171.000000000159B000.00000004.00000020.sdmp Binary or memory string: <HOOK MODULE="DDRAW.DLL" FUNCTION="DirectDrawCreateEx"/>

E-Banking Fraud:

barindex
Yara detected Ursnif
Source: Yara match File source: n8x3d68Gnd.dll, type: SAMPLE
Source: Yara match File source: 00000018.00000002.945736297.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 00000003.00000002.949353578.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 0000000D.00000002.945539240.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.962212872.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 00000010.00000002.944163100.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.917299629.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 00000015.00000002.921268168.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 0.2.loaddll32.exe.6d460000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 3.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 21.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 24.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 13.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 16.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 2.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE

System Summary:

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Detected potential crypto function
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6D4A1C3C 0_2_6D4A1C3C
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6D4A3E00 0_2_6D4A3E00
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6D4C84BB 0_2_6D4C84BB
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6D4D67D9 0_2_6D4D67D9
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6D4B5150 0_2_6D4B5150
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6D4BE079 0_2_6D4BE079
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6D4D0396 0_2_6D4D0396
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6D4E02BC 0_2_6D4E02BC
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 2_2_6D4A1C3C 2_2_6D4A1C3C
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 2_2_6D4A3E00 2_2_6D4A3E00
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 2_2_6D4C84BB 2_2_6D4C84BB
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 2_2_6D4D67D9 2_2_6D4D67D9
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 2_2_6D4B5150 2_2_6D4B5150
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 2_2_6D4BE079 2_2_6D4BE079
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 2_2_6D4D0396 2_2_6D4D0396
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 2_2_6D4E02BC 2_2_6D4E02BC
Found potential string decryption / allocating functions
Source: C:\Windows\System32\loaddll32.exe Code function: String function: 6D4A0990 appears 34 times
Source: C:\Windows\System32\loaddll32.exe Code function: String function: 6D4A00AC appears 100 times
Source: C:\Windows\SysWOW64\rundll32.exe Code function: String function: 6D4A0990 appears 34 times
Source: C:\Windows\SysWOW64\rundll32.exe Code function: String function: 6D4A00AC appears 100 times
Uses 32bit PE files
Source: n8x3d68Gnd.dll Static PE information: 32BIT_MACHINE, EXECUTABLE_IMAGE, DLL
Source: classification engine Classification label: mal56.troj.winDLL@55/0@0/0
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:4112:120:WilError_01
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:6344:120:WilError_01
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:6596:120:WilError_01
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:6560:120:WilError_01
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:6820:120:WilError_01
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:4800:120:WilError_01
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:2212:120:WilError_01
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:4820:120:WilError_01
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:4164:120:WilError_01
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:7120:120:WilError_01
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:6728:120:WilError_01
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:6768:120:WilError_01
Source: n8x3d68Gnd.dll Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
Source: C:\Windows\System32\loaddll32.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe C:\Users\user\Desktop\n8x3d68Gnd.dll,Connectdark
Source: unknown Process created: C:\Windows\System32\loaddll32.exe loaddll32.exe 'C:\Users\user\Desktop\n8x3d68Gnd.dll'
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\cmd.exe cmd.exe /C rundll32.exe 'C:\Users\user\Desktop\n8x3d68Gnd.dll',#1
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe C:\Users\user\Desktop\n8x3d68Gnd.dll,Connectdark
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe 'C:\Users\user\Desktop\n8x3d68Gnd.dll',#1
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Island
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Island
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Matter m
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Matter m
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe C:\Users\user\Desktop\n8x3d68Gnd.dll,Mindlake
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Island
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe C:\Users\user\Desktop\n8x3d68Gnd.dll,Porthigh
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Island
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Matter m
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe C:\Users\user\Desktop\n8x3d68Gnd.dll,Problemscale
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Matter m
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Island
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe C:\Users\user\Desktop\n8x3d68Gnd.dll,WingGrass
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Island
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Island
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Matter m
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Matter m
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Matter m
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\cmd.exe cmd.exe /C rundll32.exe 'C:\Users\user\Desktop\n8x3d68Gnd.dll',#1 Jump to behavior
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe C:\Users\user\Desktop\n8x3d68Gnd.dll,Connectdark Jump to behavior
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe C:\Users\user\Desktop\n8x3d68Gnd.dll,Mindlake Jump to behavior
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe C:\Users\user\Desktop\n8x3d68Gnd.dll,Porthigh Jump to behavior
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe C:\Users\user\Desktop\n8x3d68Gnd.dll,Problemscale Jump to behavior
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe C:\Users\user\Desktop\n8x3d68Gnd.dll,WingGrass Jump to behavior
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Island Jump to behavior
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Matter m Jump to behavior
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe 'C:\Users\user\Desktop\n8x3d68Gnd.dll',#1 Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Island Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Matter m Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Island Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Matter m Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Island Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Matter m Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Island Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Matter m Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Island Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Matter m Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Island Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Matter m Jump to behavior
Source: n8x3d68Gnd.dll Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_IMPORT
Source: n8x3d68Gnd.dll Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_RESOURCE
Source: n8x3d68Gnd.dll Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_BASERELOC
Source: n8x3d68Gnd.dll Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_DEBUG
Source: n8x3d68Gnd.dll Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG
Source: n8x3d68Gnd.dll Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_IAT
Source: n8x3d68Gnd.dll Static PE information: DYNAMIC_BASE, NX_COMPAT
Source: n8x3d68Gnd.dll Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_DEBUG
Source: Binary string: c:\938\follow-Record\Suffix\observe-element\force.pdb source: loaddll32.exe, 00000000.00000002.917348475.000000006D4EA000.00000002.00020000.sdmp, rundll32.exe, 00000002.00000002.962266346.000000006D4EA000.00000002.00020000.sdmp, rundll32.exe, 00000003.00000002.966549203.000000006D4EA000.00000002.00020000.sdmp, rundll32.exe, 0000000D.00000002.966145648.000000006D4EA000.00000002.00020000.sdmp, rundll32.exe, 00000010.00000002.964938469.000000006D4EA000.00000002.00020000.sdmp, rundll32.exe, 00000015.00000002.921321344.000000006D4EA000.00000002.00020000.sdmp, rundll32.exe, 00000018.00000002.959988796.000000006D4EA000.00000002.00020000.sdmp, n8x3d68Gnd.dll
Source: n8x3d68Gnd.dll Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_IMPORT is in: .rdata
Source: n8x3d68Gnd.dll Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_RESOURCE is in: .rsrc
Source: n8x3d68Gnd.dll Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_BASERELOC is in: .reloc
Source: n8x3d68Gnd.dll Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG is in: .rdata
Source: n8x3d68Gnd.dll Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_IAT is in: .rdata

Data Obfuscation:

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PE file contains an invalid checksum
Source: n8x3d68Gnd.dll Static PE information: real checksum: 0xf3990 should be: 0xf2882
Uses code obfuscation techniques (call, push, ret)
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6D4A09D6 push ecx; ret 0_2_6D4A09E9
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6D4A0075 push ecx; ret 0_2_6D4A0088
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 2_2_6D4A09D6 push ecx; ret 2_2_6D4A09E9
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 2_2_6D4A0075 push ecx; ret 2_2_6D4A0088

Hooking and other Techniques for Hiding and Protection:

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Yara detected Ursnif
Source: Yara match File source: n8x3d68Gnd.dll, type: SAMPLE
Source: Yara match File source: 00000018.00000002.945736297.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 00000003.00000002.949353578.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 0000000D.00000002.945539240.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.962212872.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 00000010.00000002.944163100.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.917299629.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 00000015.00000002.921268168.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 0.2.loaddll32.exe.6d460000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 3.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 21.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 24.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 13.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 16.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 2.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Source: C:\Windows\SysWOW64\rundll32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\conhost.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\conhost.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\conhost.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\conhost.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\conhost.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\conhost.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\conhost.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\conhost.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\conhost.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\conhost.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\conhost.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\conhost.exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion:

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Program does not show much activity (idle)
Source: all processes Thread injection, dropped files, key value created, disk infection and DNS query: no activity detected
Sample execution stops while process was sleeping (likely an evasion)
Source: C:\Windows\System32\conhost.exe Last function: Thread delayed
Source: C:\Windows\System32\conhost.exe Last function: Thread delayed
Source: C:\Windows\System32\conhost.exe Last function: Thread delayed
Source: C:\Windows\System32\conhost.exe Last function: Thread delayed
Source: C:\Windows\System32\conhost.exe Last function: Thread delayed
Source: C:\Windows\System32\conhost.exe Last function: Thread delayed

Anti Debugging:

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Contains functionality to check if a debugger is running (IsDebuggerPresent)
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6D4C1F6D IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter, 0_2_6D4C1F6D
Contains functionality to read the PEB
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6D4C966F mov eax, dword ptr fs:[00000030h] 0_2_6D4C966F
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 2_2_6D4C966F mov eax, dword ptr fs:[00000030h] 2_2_6D4C966F
Program does not show much activity (idle)
Source: all processes Thread injection, dropped files, key value created, disk infection and DNS query: no activity detected
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6D4C1F6D IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter, 0_2_6D4C1F6D
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6D4A07A7 IsProcessorFeaturePresent,IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter, 0_2_6D4A07A7
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6D4A0288 SetUnhandledExceptionFilter,UnhandledExceptionFilter,GetCurrentProcess,TerminateProcess, 0_2_6D4A0288
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 2_2_6D4C1F6D IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter, 2_2_6D4C1F6D
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 2_2_6D4A07A7 IsProcessorFeaturePresent,IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter, 2_2_6D4A07A7
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 2_2_6D4A0288 SetUnhandledExceptionFilter,UnhandledExceptionFilter,GetCurrentProcess,TerminateProcess, 2_2_6D4A0288

HIPS / PFW / Operating System Protection Evasion:

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Creates a process in suspended mode (likely to inject code)
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Island Jump to behavior
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Matter m Jump to behavior
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe 'C:\Users\user\Desktop\n8x3d68Gnd.dll',#1 Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Island Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Matter m Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Island Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Matter m Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Island Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Matter m Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Island Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Matter m Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Island Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Matter m Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Island Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\SysWOW64\cmd.exe C:\Windows\system32\cmd.exe /c cd Matter m Jump to behavior
Source: loaddll32.exe, 00000000.00000002.917246686.0000000001A20000.00000002.00000001.sdmp, rundll32.exe, 00000002.00000002.957190907.00000000030B0000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.932674972.00000000030B0000.00000002.00000001.sdmp, rundll32.exe, 0000000D.00000002.928824378.0000000003440000.00000002.00000001.sdmp, rundll32.exe, 00000010.00000002.927424186.0000000003780000.00000002.00000001.sdmp, rundll32.exe, 00000015.00000002.921221388.0000000003440000.00000002.00000001.sdmp, rundll32.exe, 00000018.00000002.929091942.00000000030B0000.00000002.00000001.sdmp Binary or memory string: Program Manager
Source: loaddll32.exe, 00000000.00000002.917246686.0000000001A20000.00000002.00000001.sdmp, rundll32.exe, 00000002.00000002.957190907.00000000030B0000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.932674972.00000000030B0000.00000002.00000001.sdmp, rundll32.exe, 0000000D.00000002.928824378.0000000003440000.00000002.00000001.sdmp, rundll32.exe, 00000010.00000002.927424186.0000000003780000.00000002.00000001.sdmp, rundll32.exe, 00000015.00000002.921221388.0000000003440000.00000002.00000001.sdmp, rundll32.exe, 00000018.00000002.929091942.00000000030B0000.00000002.00000001.sdmp Binary or memory string: Shell_TrayWnd
Source: loaddll32.exe, 00000000.00000002.917246686.0000000001A20000.00000002.00000001.sdmp, rundll32.exe, 00000002.00000002.957190907.00000000030B0000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.932674972.00000000030B0000.00000002.00000001.sdmp, rundll32.exe, 0000000D.00000002.928824378.0000000003440000.00000002.00000001.sdmp, rundll32.exe, 00000010.00000002.927424186.0000000003780000.00000002.00000001.sdmp, rundll32.exe, 00000015.00000002.921221388.0000000003440000.00000002.00000001.sdmp, rundll32.exe, 00000018.00000002.929091942.00000000030B0000.00000002.00000001.sdmp Binary or memory string: Progman
Source: loaddll32.exe, 00000000.00000002.917246686.0000000001A20000.00000002.00000001.sdmp, rundll32.exe, 00000002.00000002.957190907.00000000030B0000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.932674972.00000000030B0000.00000002.00000001.sdmp, rundll32.exe, 0000000D.00000002.928824378.0000000003440000.00000002.00000001.sdmp, rundll32.exe, 00000010.00000002.927424186.0000000003780000.00000002.00000001.sdmp, rundll32.exe, 00000015.00000002.921221388.0000000003440000.00000002.00000001.sdmp, rundll32.exe, 00000018.00000002.929091942.00000000030B0000.00000002.00000001.sdmp Binary or memory string: Progmanlock

Language, Device and Operating System Detection:

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Contains functionality to query CPU information (cpuid)
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6D4A0604 cpuid 0_2_6D4A0604
Contains functionality to query locales information (e.g. system language)
Source: C:\Windows\System32\loaddll32.exe Code function: IsValidCodePage,_wcschr,_wcschr,GetLocaleInfoW, 0_2_6D4DDD96
Source: C:\Windows\System32\loaddll32.exe Code function: GetLocaleInfoW, 0_2_6D4DDF65
Source: C:\Windows\System32\loaddll32.exe Code function: EnumSystemLocalesW, 0_2_6D4D3952
Source: C:\Windows\System32\loaddll32.exe Code function: GetLocaleInfoW,GetLocaleInfoW,GetACP, 0_2_6D4DE518
Source: C:\Windows\System32\loaddll32.exe Code function: GetLocaleInfoW, 0_2_6D4DE61F
Source: C:\Windows\System32\loaddll32.exe Code function: GetUserDefaultLCID,IsValidCodePage,IsValidLocale,GetLocaleInfoW,GetLocaleInfoW, 0_2_6D4DE6EC
Source: C:\Windows\System32\loaddll32.exe Code function: EnumSystemLocalesW, 0_2_6D4DE112
Source: C:\Windows\System32\loaddll32.exe Code function: GetLocaleInfoW,GetLocaleInfoW,GetLocaleInfoW, 0_2_6D4DE19F
Source: C:\Windows\System32\loaddll32.exe Code function: GetLocaleInfoW, 0_2_6D49F1B7
Source: C:\Windows\System32\loaddll32.exe Code function: EnumSystemLocalesW, 0_2_6D4DE077
Source: C:\Windows\System32\loaddll32.exe Code function: EnumSystemLocalesW, 0_2_6D4DE00E
Source: C:\Windows\System32\loaddll32.exe Code function: ___crtGetLocaleInfoEx, 0_2_6D49F364
Source: C:\Windows\System32\loaddll32.exe Code function: GetLocaleInfoW, 0_2_6D4D4323
Source: C:\Windows\System32\loaddll32.exe Code function: GetLocaleInfoW, 0_2_6D4DE3EF
Source: C:\Windows\SysWOW64\rundll32.exe Code function: IsValidCodePage,_wcschr,_wcschr,GetLocaleInfoW, 2_2_6D4DDD96
Source: C:\Windows\SysWOW64\rundll32.exe Code function: GetLocaleInfoW, 2_2_6D4DDF65
Source: C:\Windows\SysWOW64\rundll32.exe Code function: EnumSystemLocalesW, 2_2_6D4D3952
Source: C:\Windows\SysWOW64\rundll32.exe Code function: GetLocaleInfoW,GetLocaleInfoW,GetACP, 2_2_6D4DE518
Source: C:\Windows\SysWOW64\rundll32.exe Code function: GetLocaleInfoW, 2_2_6D4DE61F
Source: C:\Windows\SysWOW64\rundll32.exe Code function: GetUserDefaultLCID,IsValidCodePage,IsValidLocale,GetLocaleInfoW,GetLocaleInfoW, 2_2_6D4DE6EC
Source: C:\Windows\SysWOW64\rundll32.exe Code function: EnumSystemLocalesW, 2_2_6D4DE112
Source: C:\Windows\SysWOW64\rundll32.exe Code function: GetLocaleInfoW,GetLocaleInfoW,GetLocaleInfoW, 2_2_6D4DE19F
Source: C:\Windows\SysWOW64\rundll32.exe Code function: GetLocaleInfoW, 2_2_6D49F1B7
Source: C:\Windows\SysWOW64\rundll32.exe Code function: EnumSystemLocalesW, 2_2_6D4DE077
Source: C:\Windows\SysWOW64\rundll32.exe Code function: EnumSystemLocalesW, 2_2_6D4DE00E
Source: C:\Windows\SysWOW64\rundll32.exe Code function: ___crtGetLocaleInfoEx, 2_2_6D49F364
Source: C:\Windows\SysWOW64\rundll32.exe Code function: GetLocaleInfoW, 2_2_6D4D4323
Source: C:\Windows\SysWOW64\rundll32.exe Code function: GetLocaleInfoW, 2_2_6D4DE3EF
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6D4A09F0 GetSystemTimeAsFileTime,GetCurrentThreadId,GetCurrentProcessId,QueryPerformanceCounter, 0_2_6D4A09F0
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6D4D8951 _free,GetTimeZoneInformation,WideCharToMultiByte,WideCharToMultiByte,_free, 0_2_6D4D8951

Stealing of Sensitive Information:

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Yara detected Ursnif
Source: Yara match File source: n8x3d68Gnd.dll, type: SAMPLE
Source: Yara match File source: 00000018.00000002.945736297.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 00000003.00000002.949353578.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 0000000D.00000002.945539240.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.962212872.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 00000010.00000002.944163100.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.917299629.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 00000015.00000002.921268168.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 0.2.loaddll32.exe.6d460000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 3.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 21.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 24.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 13.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 16.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 2.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE

Remote Access Functionality:

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Yara detected Ursnif
Source: Yara match File source: n8x3d68Gnd.dll, type: SAMPLE
Source: Yara match File source: 00000018.00000002.945736297.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 00000003.00000002.949353578.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 0000000D.00000002.945539240.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.962212872.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 00000010.00000002.944163100.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.917299629.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 00000015.00000002.921268168.000000006D461000.00000020.00020000.sdmp, type: MEMORY
Source: Yara match File source: 0.2.loaddll32.exe.6d460000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 3.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 21.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 24.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 13.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 16.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Source: Yara match File source: 2.2.rundll32.exe.6d460000.1.unpack, type: UNPACKEDPE
Contains functionality to open a port and listen for incoming connection (possibly a backdoor)
Source: C:\Windows\System32\loaddll32.exe Code function: 0_2_6D4616BC __ehhandler$??1_Scoped_lock@?$SafeRWList@UListEntry@details@Concurrency@@VNoCount@CollectionTypes@23@V_ReaderWriterLock@23@@details@Concurrency@@QAE@XZ, 0_2_6D4616BC
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 2_2_6D4616BC __ehhandler$??1_Scoped_lock@?$SafeRWList@UListEntry@details@Concurrency@@VNoCount@CollectionTypes@23@V_ReaderWriterLock@23@@details@Concurrency@@QAE@XZ, 2_2_6D4616BC
windows-stand
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Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Is Windows Process
  • Number of created Registry Values
  • Number of created Files
  • Visual Basic
  • Delphi
  • Java
  • .Net C# or VB.NET
  • C, C++ or other language
  • Is malicious
  • Internet
behaviorgraph top1 signatures2 2 Behavior Graph ID: 433105 Sample: n8x3d68Gnd.dll Startdate: 11/06/2021 Architecture: WINDOWS Score: 56 59 Antivirus / Scanner detection for submitted sample 2->59 61 Yara detected  Ursnif 2->61 9 loaddll32.exe 1 2->9         started        process3 process4 11 cmd.exe 1 9->11         started        13 rundll32.exe 9->13         started        15 rundll32.exe 9->15         started        17 5 other processes 9->17 process5 19 rundll32.exe 11->19         started        21 cmd.exe 1 13->21         started        23 cmd.exe 1 13->23         started        25 cmd.exe 1 15->25         started        27 cmd.exe 1 15->27         started        29 cmd.exe 1 17->29         started        31 cmd.exe 1 17->31         started        33 cmd.exe 1 17->33         started        35 3 other processes 17->35 process6 51 2 other processes 19->51 37 conhost.exe 21->37         started        39 conhost.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 27->43         started        45 conhost.exe 29->45         started        47 conhost.exe 31->47         started        49 conhost.exe 33->49         started        53 3 other processes 35->53 process7 55 conhost.exe 51->55         started        57 conhost.exe 51->57         started       
No contacted IP infos