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Analysis Report 0204.gif.dll

Overview

General Information

Sample Name:0204.gif.dll
Analysis ID:382565
MD5:ad4076a9b4f10e046059151b9e1c030a
SHA1:edfacd4d94a56d5011445cd103c6b45ae9585adf
SHA256:01006cd1258047b9e2bd9f58b303bd22c39b7f3242db9e4111f88b9f78b9df8f
Tags:dllGGGoziIFSBUrsnif
Infos:

Most interesting Screenshot:

Detection

Ursnif
Score:68
Range:0 - 100
Whitelisted:false
Confidence:100%

Signatures

Found malware configuration
Multi AV Scanner detection for submitted file
Yara detected Ursnif
Machine Learning detection for sample
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
PE file contains sections with non-standard names
Program does not show much activity (idle)
Uses 32bit PE files
Uses code obfuscation techniques (call, push, ret)

Classification

Startup

  • System is w10x64
  • loaddll32.exe (PID: 6104 cmdline: loaddll32.exe 'C:\Users\user\Desktop\0204.gif.dll' MD5: 542795ADF7CC08EFCF675D65310596E8)
    • cmd.exe (PID: 6092 cmdline: cmd.exe /C rundll32.exe 'C:\Users\user\Desktop\0204.gif.dll',#1 MD5: F3BDBE3BB6F734E357235F4D5898582D)
      • rundll32.exe (PID: 6148 cmdline: rundll32.exe 'C:\Users\user\Desktop\0204.gif.dll',#1 MD5: D7CA562B0DB4F4DD0F03A89A1FDAD63D)
    • rundll32.exe (PID: 6112 cmdline: rundll32.exe C:\Users\user\Desktop\0204.gif.dll,DllServer MD5: D7CA562B0DB4F4DD0F03A89A1FDAD63D)
  • cleanup

Malware Configuration

Threatname: Ursnif

[{"RSA Public Key": "bUd4GFcFHo0e+ZYUbkHaTKXmZ1xEyxvy7Ha6j1WAZbQ7YvMdkqTfD1vHD2y2CmFTRrLK1w5iQroYI0mUpJ4xNknlY+BmJf4xpeJRxxK0RRNeRbW5unSB2vXqxvlTgz6vNZY+9zeztuP2jXKpIm0/s+YxWnsT7eWUtQtD38NlsAPtJdp+3rBxjzAWNKQj7wMA"}, {"c2_domain": ["bing.com", "update4.microsoft.com", "under17.com", "urs-world.com"], "botnet": "5566", "server": "12", "serpent_key": "10301029JSJUYDWG", "sleep_time": "10", "SetWaitableTimer_value": "0", "DGA_count": "10"}]

Yara Overview

Memory Dumps

SourceRuleDescriptionAuthorStrings
00000002.00000002.275314133.0000000004B10000.00000004.00000001.sdmpJoeSecurity_Ursnif_1Yara detected UrsnifJoe Security
    00000003.00000002.286549571.00000000047D0000.00000004.00000001.sdmpJoeSecurity_Ursnif_1Yara detected UrsnifJoe Security
      00000000.00000002.263503134.0000000000B50000.00000004.00000001.sdmpJoeSecurity_Ursnif_1Yara detected UrsnifJoe Security

        Unpacked PEs

        SourceRuleDescriptionAuthorStrings
        0.2.loaddll32.exe.b50000.1.raw.unpackJoeSecurity_Ursnif_1Yara detected UrsnifJoe Security
          2.2.rundll32.exe.4b10000.2.raw.unpackJoeSecurity_Ursnif_1Yara detected UrsnifJoe Security
            3.2.rundll32.exe.47d0000.2.raw.unpackJoeSecurity_Ursnif_1Yara detected UrsnifJoe Security

              Sigma Overview

              No Sigma rule has matched

              Signature Overview

              Click to jump to signature section

              Show All Signature Results

              AV Detection:

              barindex
              Found malware configurationShow sources
              Source: 0.3.loaddll32.exe.30b94a0.0.raw.unpackMalware Configuration Extractor: Ursnif [{"RSA Public Key": "bUd4GFcFHo0e+ZYUbkHaTKXmZ1xEyxvy7Ha6j1WAZbQ7YvMdkqTfD1vHD2y2CmFTRrLK1w5iQroYI0mUpJ4xNknlY+BmJf4xpeJRxxK0RRNeRbW5unSB2vXqxvlTgz6vNZY+9zeztuP2jXKpIm0/s+YxWnsT7eWUtQtD38NlsAPtJdp+3rBxjzAWNKQj7wMA"}, {"c2_domain": ["bing.com", "update4.microsoft.com", "under17.com", "urs-world.com"], "botnet": "5566", "server": "12", "serpent_key": "10301029JSJUYDWG", "sleep_time": "10", "SetWaitableTimer_value": "0", "DGA_count": "10"}]
              Multi AV Scanner detection for submitted fileShow sources
              Source: 0204.gif.dllReversingLabs: Detection: 41%
              Machine Learning detection for sampleShow sources
              Source: 0204.gif.dllJoe Sandbox ML: detected
              Source: 0204.gif.dllStatic PE information: 32BIT_MACHINE, EXECUTABLE_IMAGE, DLL

              Key, Mouse, Clipboard, Microphone and Screen Capturing:

              barindex
              Yara detected UrsnifShow sources
              Source: Yara matchFile source: 00000002.00000002.275314133.0000000004B10000.00000004.00000001.sdmp, type: MEMORY
              Source: Yara matchFile source: 00000003.00000002.286549571.00000000047D0000.00000004.00000001.sdmp, type: MEMORY
              Source: Yara matchFile source: 00000000.00000002.263503134.0000000000B50000.00000004.00000001.sdmp, type: MEMORY
              Source: Yara matchFile source: 0.2.loaddll32.exe.b50000.1.raw.unpack, type: UNPACKEDPE
              Source: Yara matchFile source: 2.2.rundll32.exe.4b10000.2.raw.unpack, type: UNPACKEDPE
              Source: Yara matchFile source: 3.2.rundll32.exe.47d0000.2.raw.unpack, type: UNPACKEDPE
              Source: loaddll32.exe, 00000000.00000002.263622715.0000000000D7B000.00000004.00000020.sdmpBinary or memory string: <HOOK MODULE="DDRAW.DLL" FUNCTION="DirectDrawCreateEx"/>

              E-Banking Fraud:

              barindex
              Yara detected UrsnifShow sources
              Source: Yara matchFile source: 00000002.00000002.275314133.0000000004B10000.00000004.00000001.sdmp, type: MEMORY
              Source: Yara matchFile source: 00000003.00000002.286549571.00000000047D0000.00000004.00000001.sdmp, type: MEMORY
              Source: Yara matchFile source: 00000000.00000002.263503134.0000000000B50000.00000004.00000001.sdmp, type: MEMORY
              Source: Yara matchFile source: 0.2.loaddll32.exe.b50000.1.raw.unpack, type: UNPACKEDPE
              Source: Yara matchFile source: 2.2.rundll32.exe.4b10000.2.raw.unpack, type: UNPACKEDPE
              Source: Yara matchFile source: 3.2.rundll32.exe.47d0000.2.raw.unpack, type: UNPACKEDPE
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F162_2_03335F16
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335A252_2_03335A25
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03333A142_2_03333A14
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03331B1E2_2_03331B1E
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_0333150C2_2_0333150C
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_033353782_2_03335378
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_033352622_2_03335262
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_033319672_2_03331967
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_033325662_2_03332566
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03332A692_2_03332A69
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_033331B32_2_033331B3
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_033392B22_2_033392B2
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_033388BA2_2_033388BA
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03333FAB2_2_03333FAB
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03332FAF2_2_03332FAF
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03331CD02_2_03331CD0
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_033327D42_2_033327D4
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_033343D82_2_033343D8
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_033313C52_2_033313C5
              Source: 0204.gif.dllStatic PE information: 32BIT_MACHINE, EXECUTABLE_IMAGE, DLL
              Source: classification engineClassification label: mal68.troj.winDLL@7/0@0/0
              Source: C:\Windows\System32\loaddll32.exeKey opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiersJump to behavior
              Source: C:\Windows\System32\loaddll32.exeProcess created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe C:\Users\user\Desktop\0204.gif.dll,DllServer
              Source: 0204.gif.dllReversingLabs: Detection: 41%
              Source: unknownProcess created: C:\Windows\System32\loaddll32.exe loaddll32.exe 'C:\Users\user\Desktop\0204.gif.dll'
              Source: C:\Windows\System32\loaddll32.exeProcess created: C:\Windows\SysWOW64\cmd.exe cmd.exe /C rundll32.exe 'C:\Users\user\Desktop\0204.gif.dll',#1
              Source: C:\Windows\System32\loaddll32.exeProcess created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe C:\Users\user\Desktop\0204.gif.dll,DllServer
              Source: C:\Windows\SysWOW64\cmd.exeProcess created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe 'C:\Users\user\Desktop\0204.gif.dll',#1
              Source: C:\Windows\System32\loaddll32.exeProcess created: C:\Windows\SysWOW64\cmd.exe cmd.exe /C rundll32.exe 'C:\Users\user\Desktop\0204.gif.dll',#1Jump to behavior
              Source: C:\Windows\System32\loaddll32.exeProcess created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe C:\Users\user\Desktop\0204.gif.dll,DllServerJump to behavior
              Source: C:\Windows\SysWOW64\cmd.exeProcess created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe 'C:\Users\user\Desktop\0204.gif.dll',#1Jump to behavior
              Source: 0204.gif.dllStatic PE information: section name: .code
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push dword ptr [ebp-0Ch]; mov dword ptr [esp], edx2_2_03335F7B
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push dword ptr [ebp-0Ch]; mov dword ptr [esp], eax2_2_03335F94
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push dword ptr [ebp-08h]; mov dword ptr [esp], eax2_2_03335FDD
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push dword ptr [ebp-10h]; mov dword ptr [esp], eax2_2_0333604B
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push dword ptr [ebp-08h]; mov dword ptr [esp], eax2_2_03336124
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push 00000000h; mov dword ptr [esp], edi2_2_0333614F
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push 00000000h; mov dword ptr [esp], edx2_2_0333625E
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push dword ptr [ebp-10h]; mov dword ptr [esp], eax2_2_033362B5
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push dword ptr [ebp-10h]; mov dword ptr [esp], eax2_2_03336343
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push dword ptr [ebp-10h]; mov dword ptr [esp], eax2_2_0333635D
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push 00000000h; mov dword ptr [esp], ebp2_2_03336368
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push dword ptr [ebp-0Ch]; mov dword ptr [esp], eax2_2_03336385
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push 00000000h; mov dword ptr [esp], edx2_2_033363B4
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push dword ptr [ebp-08h]; mov dword ptr [esp], eax2_2_03336483
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push dword ptr [ebp-08h]; mov dword ptr [esp], eax2_2_033364F2
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push dword ptr [ebp-10h]; mov dword ptr [esp], eax2_2_033364FE
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push dword ptr [ebp-08h]; mov dword ptr [esp], eax2_2_0333650A
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push 00000000h; mov dword ptr [esp], edi2_2_03336567
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push 00000000h; mov dword ptr [esp], edi2_2_033365A9
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push 00000000h; mov dword ptr [esp], eax2_2_03336610
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push dword ptr [ebp-0Ch]; mov dword ptr [esp], eax2_2_03336685
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push dword ptr [ebp-08h]; mov dword ptr [esp], ecx2_2_033366C2
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push dword ptr [ebp-0Ch]; mov dword ptr [esp], eax2_2_033366E8
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push 00000000h; mov dword ptr [esp], edi2_2_03336781
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push 00000000h; mov dword ptr [esp], edx2_2_033367B6
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push dword ptr [ebp-0Ch]; mov dword ptr [esp], eax2_2_0333684C
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push dword ptr [ebp-0Ch]; mov dword ptr [esp], eax2_2_03336858
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push dword ptr [ebp-10h]; mov dword ptr [esp], edx2_2_03336926
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push dword ptr [ebp-08h]; mov dword ptr [esp], eax2_2_03336945
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push dword ptr [ebp-0Ch]; mov dword ptr [esp], eax2_2_03336951
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03335F16 push dword ptr [ebp-0Ch]; mov dword ptr [esp], edx2_2_033369D6

              Hooking and other Techniques for Hiding and Protection:

              barindex
              Yara detected UrsnifShow sources
              Source: Yara matchFile source: 00000002.00000002.275314133.0000000004B10000.00000004.00000001.sdmp, type: MEMORY
              Source: Yara matchFile source: 00000003.00000002.286549571.00000000047D0000.00000004.00000001.sdmp, type: MEMORY
              Source: Yara matchFile source: 00000000.00000002.263503134.0000000000B50000.00000004.00000001.sdmp, type: MEMORY
              Source: Yara matchFile source: 0.2.loaddll32.exe.b50000.1.raw.unpack, type: UNPACKEDPE
              Source: Yara matchFile source: 2.2.rundll32.exe.4b10000.2.raw.unpack, type: UNPACKEDPE
              Source: Yara matchFile source: 3.2.rundll32.exe.47d0000.2.raw.unpack, type: UNPACKEDPE
              Source: C:\Windows\System32\loaddll32.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
              Source: C:\Windows\System32\loaddll32.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
              Source: C:\Windows\SysWOW64\rundll32.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
              Source: C:\Windows\SysWOW64\rundll32.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
              Source: C:\Windows\SysWOW64\rundll32.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
              Source: C:\Windows\SysWOW64\rundll32.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
              Source: C:\Windows\SysWOW64\rundll32.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
              Source: C:\Windows\SysWOW64\rundll32.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
              Source: all processesThread injection, dropped files, key value created, disk infection and DNS query: no activity detected
              Source: C:\Windows\System32\loaddll32.exeThread delayed: delay time: 120000Jump to behavior
              Source: C:\Windows\SysWOW64\rundll32.exeCode function: 2_2_03332A69 xor edi, dword ptr fs:[00000030h]2_2_03332A69
              Source: all processesThread injection, dropped files, key value created, disk infection and DNS query: no activity detected
              Source: C:\Windows\SysWOW64\cmd.exeProcess created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe 'C:\Users\user\Desktop\0204.gif.dll',#1Jump to behavior

              Stealing of Sensitive Information:

              barindex
              Yara detected UrsnifShow sources
              Source: Yara matchFile source: 00000002.00000002.275314133.0000000004B10000.00000004.00000001.sdmp, type: MEMORY
              Source: Yara matchFile source: 00000003.00000002.286549571.00000000047D0000.00000004.00000001.sdmp, type: MEMORY
              Source: Yara matchFile source: 00000000.00000002.263503134.0000000000B50000.00000004.00000001.sdmp, type: MEMORY
              Source: Yara matchFile source: 0.2.loaddll32.exe.b50000.1.raw.unpack, type: UNPACKEDPE
              Source: Yara matchFile source: 2.2.rundll32.exe.4b10000.2.raw.unpack, type: UNPACKEDPE
              Source: Yara matchFile source: 3.2.rundll32.exe.47d0000.2.raw.unpack, type: UNPACKEDPE

              Remote Access Functionality:

              barindex
              Yara detected UrsnifShow sources
              Source: Yara matchFile source: 00000002.00000002.275314133.0000000004B10000.00000004.00000001.sdmp, type: MEMORY
              Source: Yara matchFile source: 00000003.00000002.286549571.00000000047D0000.00000004.00000001.sdmp, type: MEMORY
              Source: Yara matchFile source: 00000000.00000002.263503134.0000000000B50000.00000004.00000001.sdmp, type: MEMORY
              Source: Yara matchFile source: 0.2.loaddll32.exe.b50000.1.raw.unpack, type: UNPACKEDPE
              Source: Yara matchFile source: 2.2.rundll32.exe.4b10000.2.raw.unpack, type: UNPACKEDPE
              Source: Yara matchFile source: 3.2.rundll32.exe.47d0000.2.raw.unpack, type: UNPACKEDPE

              Mitre Att&ck Matrix

              Initial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionExfiltrationCommand and ControlNetwork EffectsRemote Service EffectsImpact
              Valid AccountsWindows Management InstrumentationPath InterceptionProcess Injection11Rundll321Input Capture1Virtualization/Sandbox Evasion1Remote ServicesInput Capture1Exfiltration Over Other Network MediumEncrypted Channel1Eavesdrop on Insecure Network CommunicationRemotely Track Device Without AuthorizationModify System Partition
              Default AccountsScheduled Task/JobBoot or Logon Initialization ScriptsBoot or Logon Initialization ScriptsVirtualization/Sandbox Evasion1LSASS MemorySystem Information Discovery1Remote Desktop ProtocolArchive Collected Data1Exfiltration Over BluetoothJunk DataExploit SS7 to Redirect Phone Calls/SMSRemotely Wipe Data Without AuthorizationDevice Lockout
              Domain AccountsAt (Linux)Logon Script (Windows)Logon Script (Windows)Process Injection11Security Account ManagerQuery RegistrySMB/Windows Admin SharesData from Network Shared DriveAutomated ExfiltrationSteganographyExploit SS7 to Track Device LocationObtain Device Cloud BackupsDelete Device Data
              Local AccountsAt (Windows)Logon Script (Mac)Logon Script (Mac)Obfuscated Files or Information1NTDSSystem Network Configuration DiscoveryDistributed Component Object ModelInput CaptureScheduled TransferProtocol ImpersonationSIM Card SwapCarrier Billing Fraud

              Behavior Graph

              Hide Legend

              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: 382565 Sample: 0204.gif.dll Startdate: 06/04/2021 Architecture: WINDOWS Score: 68 15 Found malware configuration 2->15 17 Multi AV Scanner detection for submitted file 2->17 19 Yara detected  Ursnif 2->19 21 Machine Learning detection for sample 2->21 7 loaddll32.exe 1 2->7         started        process3 process4 9 cmd.exe 1 7->9         started        11 rundll32.exe 7->11         started        process5 13 rundll32.exe 9->13         started       

              Screenshots

              Thumbnails

              This section contains all screenshots as thumbnails, including those not shown in the slideshow.