Loading Joe Sandbox Report ...

Edit tour

Windows Analysis Report
24ff7d60000.dll

Overview

General Information

Sample Name:24ff7d60000.dll
Analysis ID:556768
MD5:7dfb20c4318a1045a3745e8ca507ce78
SHA1:e85b218a1ee6ec3be0ec69eaccd62671766561ea
SHA256:f8090b2dea01886cdf4b8c69e924e6f92717d3d19e1927aba61fda5b5b80898a
Tags:exeGozi
Infos:

Detection

Ursnif
Score:76
Range:0 - 100
Whitelisted:false
Confidence:100%

Signatures

Antivirus / Scanner detection for submitted sample
Found malware configuration
Multi AV Scanner detection for submitted file
Yara detected Ursnif
Sigma detected: Suspicious Call by Ordinal
PE file does not import any functions
Tries to load missing DLLs
Program does not show much activity (idle)
Creates a process in suspended mode (likely to inject code)
Checks if the current process is being debugged

Classification

  • System is w10x64
  • loaddll64.exe (PID: 7028 cmdline: loaddll64.exe "C:\Users\user\Desktop\24ff7d60000.dll" MD5: 4E8A40CAD6CCC047914E3A7830A2D8AA)
    • cmd.exe (PID: 7036 cmdline: cmd.exe /C rundll32.exe "C:\Users\user\Desktop\24ff7d60000.dll",#1 MD5: 4E2ACF4F8A396486AB4268C94A6A245F)
      • rundll32.exe (PID: 7056 cmdline: rundll32.exe "C:\Users\user\Desktop\24ff7d60000.dll",#1 MD5: 73C519F050C20580F8A62C849D49215A)
    • rundll32.exe (PID: 7044 cmdline: rundll32.exe C:\Users\user\Desktop\24ff7d60000.dll,#1 MD5: 73C519F050C20580F8A62C849D49215A)
  • cleanup
{"RSA Public Key": "1ez6ZX9GBMHuzrxYcEvmkX0k1/y/WRE5hgthXVQ4P44VmZDRyl+qzgB3X8mQxx9hX87voxwb+7CbnJcCZ4hp/XwNIs0rUcJj4wwNctiIvZb8gIPsgWrAjjXLGMBCWjpmhIdWmYD7oSqxAb7ciAuhtWabiveV3OFwUuMRDbNtONTWpz/J4JVtQJ3XBbp99SutX5vbOPhgKBI3aszrv+0c1EkjrakCFHlOqMs8bjEjNDxrhaBWjOM1EU17zvHVkK7hxDkKQ5buzWmjrzDZEEWnvM3aa5uVRR1v44XnbolU0ltUakCZT4sH963oonk1uijxExj7eWoI4x+donYvsc/nFxNyfe6c/mfSKb7U2RhPG4g=", "c2_domain": ["art.microsoftsofymicrosoftsoft.at", "r23cirt55ysvtdvl.onion", "poi.redhatbabby.at", "fgx.dangerboy.at", "pop.biopiof.at", "l46t3vgvmtx5wxe6.onion", "apr.intoolkom.at"], "ip_check_url": ["curlmyip.net"], "serpent_key": "KCVH9K5GZjoxwKSf", "server": "580", "sleep_time": "10", "SetWaitableTimer_value(CRC_CONFIGTIMEOUT)": "600", "time_value": "600", "SetWaitableTimer_value(CRC_TASKTIMEOUT)": "300", "SetWaitableTimer_value(CRC_SENDTIMEOUT)": "300", "SetWaitableTimer_value(CRC_KNOCKERTIMEOUT)": "300", "not_use(CRC_BCTIMEOUT)": "10", "botnet": "505050", "SetWaitableTimer_value": "60"}
SourceRuleDescriptionAuthorStrings
24ff7d60000.dllJoeSecurity_Ursnif_2Yara detected UrsnifJoe Security

    System Summary

    barindex
    Source: Process startedAuthor: Florian Roth: Data: Command: rundll32.exe C:\Users\user\Desktop\24ff7d60000.dll,#1, CommandLine: rundll32.exe C:\Users\user\Desktop\24ff7d60000.dll,#1, CommandLine|base64offset|contains: , Image: C:\Windows\System32\rundll32.exe, NewProcessName: C:\Windows\System32\rundll32.exe, OriginalFileName: C:\Windows\System32\rundll32.exe, ParentCommandLine: loaddll64.exe "C:\Users\user\Desktop\24ff7d60000.dll", ParentImage: C:\Windows\System32\loaddll64.exe, ParentProcessId: 7028, ProcessCommandLine: rundll32.exe C:\Users\user\Desktop\24ff7d60000.dll,#1, ProcessId: 7044

    Click to jump to signature section

    Show All Signature Results

    AV Detection

    barindex
    Source: 24ff7d60000.dllAvira: detected
    Source: 24ff7d60000.dllMalware Configuration Extractor: Ursnif {"RSA Public Key": "1ez6ZX9GBMHuzrxYcEvmkX0k1/y/WRE5hgthXVQ4P44VmZDRyl+qzgB3X8mQxx9hX87voxwb+7CbnJcCZ4hp/XwNIs0rUcJj4wwNctiIvZb8gIPsgWrAjjXLGMBCWjpmhIdWmYD7oSqxAb7ciAuhtWabiveV3OFwUuMRDbNtONTWpz/J4JVtQJ3XBbp99SutX5vbOPhgKBI3aszrv+0c1EkjrakCFHlOqMs8bjEjNDxrhaBWjOM1EU17zvHVkK7hxDkKQ5buzWmjrzDZEEWnvM3aa5uVRR1v44XnbolU0ltUakCZT4sH963oonk1uijxExj7eWoI4x+donYvsc/nFxNyfe6c/mfSKb7U2RhPG4g=", "c2_domain": ["art.microsoftsofymicrosoftsoft.at", "r23cirt55ysvtdvl.onion", "poi.redhatbabby.at", "fgx.dangerboy.at", "pop.biopiof.at", "l46t3vgvmtx5wxe6.onion", "apr.intoolkom.at"], "ip_check_url": ["curlmyip.net"], "serpent_key": "KCVH9K5GZjoxwKSf", "server": "580", "sleep_time": "10", "SetWaitableTimer_value(CRC_CONFIGTIMEOUT)": "600", "time_value": "600", "SetWaitableTimer_value(CRC_TASKTIMEOUT)": "300", "SetWaitableTimer_value(CRC_SENDTIMEOUT)": "300", "SetWaitableTimer_value(CRC_KNOCKERTIMEOUT)": "300", "not_use(CRC_BCTIMEOUT)": "10", "botnet": "505050", "SetWaitableTimer_value": "60"}
    Source: 24ff7d60000.dllReversingLabs: Detection: 41%

    Key, Mouse, Clipboard, Microphone and Screen Capturing

    barindex
    Source: Yara matchFile source: 24ff7d60000.dll, type: SAMPLE

    E-Banking Fraud

    barindex
    Source: Yara matchFile source: 24ff7d60000.dll, type: SAMPLE

    System Summary

    barindex
    Source: 24ff7d60000.dllStatic PE information: No import functions for PE file found
    Source: C:\Windows\System32\loaddll64.exeSection loaded: .dllJump to behavior
    Source: C:\Windows\System32\loaddll64.exeSection loaded: .dllJump to behavior
    Source: 24ff7d60000.dllReversingLabs: Detection: 41%
    Source: 24ff7d60000.dllStatic PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
    Source: C:\Windows\System32\loaddll64.exeKey opened: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiersJump to behavior
    Source: classification engineClassification label: mal76.troj.winDLL@7/0@0/0
    Source: C:\Windows\System32\loaddll64.exeProcess created: C:\Windows\System32\rundll32.exe rundll32.exe C:\Users\user\Desktop\24ff7d60000.dll,#1
    Source: unknownProcess created: C:\Windows\System32\loaddll64.exe loaddll64.exe "C:\Users\user\Desktop\24ff7d60000.dll"
    Source: C:\Windows\System32\loaddll64.exeProcess created: C:\Windows\System32\cmd.exe cmd.exe /C rundll32.exe "C:\Users\user\Desktop\24ff7d60000.dll",#1
    Source: C:\Windows\System32\loaddll64.exeProcess created: C:\Windows\System32\rundll32.exe rundll32.exe C:\Users\user\Desktop\24ff7d60000.dll,#1
    Source: C:\Windows\System32\cmd.exeProcess created: C:\Windows\System32\rundll32.exe rundll32.exe "C:\Users\user\Desktop\24ff7d60000.dll",#1
    Source: C:\Windows\System32\loaddll64.exeProcess created: C:\Windows\System32\cmd.exe cmd.exe /C rundll32.exe "C:\Users\user\Desktop\24ff7d60000.dll",#1Jump to behavior
    Source: C:\Windows\System32\loaddll64.exeProcess created: C:\Windows\System32\rundll32.exe rundll32.exe C:\Users\user\Desktop\24ff7d60000.dll,#1Jump to behavior
    Source: C:\Windows\System32\cmd.exeProcess created: C:\Windows\System32\rundll32.exe rundll32.exe "C:\Users\user\Desktop\24ff7d60000.dll",#1Jump to behavior
    Source: C:\Windows\System32\rundll32.exeAutomated click: OK
    Source: C:\Windows\System32\rundll32.exeAutomated click: OK
    Source: 24ff7d60000.dllStatic PE information: Image base 0x180000000 > 0x60000000

    Hooking and other Techniques for Hiding and Protection

    barindex
    Source: Yara matchFile source: 24ff7d60000.dll, type: SAMPLE
    Source: C:\Windows\System32\rundll32.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
    Source: C:\Windows\System32\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: all processesThread injection, dropped files, key value created, disk infection and DNS query: no activity detected
    Source: C:\Windows\System32\loaddll64.exeProcess queried: DebugPortJump to behavior
    Source: C:\Windows\System32\cmd.exeProcess created: C:\Windows\System32\rundll32.exe rundll32.exe "C:\Users\user\Desktop\24ff7d60000.dll",#1Jump to behavior

    Stealing of Sensitive Information

    barindex
    Source: Yara matchFile source: 24ff7d60000.dll, type: SAMPLE

    Remote Access Functionality

    barindex
    Source: Yara matchFile source: 24ff7d60000.dll, type: SAMPLE
    Initial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionExfiltrationCommand and ControlNetwork EffectsRemote Service EffectsImpact
    Valid AccountsWindows Management Instrumentation1
    DLL Side-Loading
    11
    Process Injection
    1
    Virtualization/Sandbox Evasion
    OS Credential Dumping1
    Security Software Discovery
    Remote ServicesData from Local SystemExfiltration Over Other Network MediumData ObfuscationEavesdrop on Insecure Network CommunicationRemotely Track Device Without AuthorizationModify System Partition
    Default AccountsScheduled Task/JobBoot or Logon Initialization Scripts1
    DLL Side-Loading
    1
    Rundll32
    LSASS Memory1
    Virtualization/Sandbox Evasion
    Remote Desktop ProtocolData from Removable MediaExfiltration Over BluetoothJunk DataExploit SS7 to Redirect Phone Calls/SMSRemotely Wipe Data Without AuthorizationDevice Lockout
    Domain AccountsAt (Linux)Logon Script (Windows)Logon Script (Windows)11
    Process Injection
    Security Account Manager1
    System Information Discovery
    SMB/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)1
    DLL Side-Loading
    NTDSSystem Network Configuration DiscoveryDistributed Component Object ModelInput CaptureScheduled TransferProtocol ImpersonationSIM Card SwapCarrier Billing Fraud
    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: 556768 Sample: 24ff7d60000.dll Startdate: 20/01/2022 Architecture: WINDOWS Score: 76 15 Found malware configuration 2->15 17 Antivirus / Scanner detection for submitted sample 2->17 19 Multi AV Scanner detection for submitted file 2->19 21 2 other signatures 2->21 7 loaddll64.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       

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


    windows-stand
    SourceDetectionScannerLabelLink
    24ff7d60000.dll42%ReversingLabsWin64.Trojan.Ursnif
    24ff7d60000.dll100%AviraHEUR/AGEN.1212258
    No Antivirus matches
    No Antivirus matches
    No Antivirus matches
    No Antivirus matches
    No contacted domains info
    No contacted IP infos
    Joe Sandbox Version:34.0.0 Boulder Opal
    Analysis ID:556768
    Start date:20.01.2022
    Start time:12:51:22
    Joe Sandbox Product:CloudBasic
    Overall analysis duration:0h 2m 56s
    Hypervisor based Inspection enabled:false
    Report type:full
    Sample file name:24ff7d60000.dll
    Cookbook file name:default.jbs
    Analysis system description:Windows 10 64 bit v1803 with Office Professional Plus 2016, Chrome 85, IE 11, Adobe Reader DC 19, Java 8 Update 211
    Number of analysed new started processes analysed:8
    Number of new started drivers analysed:0
    Number of existing processes analysed:0
    Number of existing drivers analysed:0
    Number of injected processes analysed:0
    Technologies:
    • HCA enabled
    • EGA enabled
    • HDC enabled
    • AMSI enabled
    Analysis Mode:default
    Analysis stop reason:Timeout
    Detection:MAL
    Classification:mal76.troj.winDLL@7/0@0/0
    EGA Information:Failed
    HDC Information:Failed
    HCA Information:
    • Successful, ratio: 100%
    • Number of executed functions: 0
    • Number of non-executed functions: 0
    Cookbook Comments:
    • Adjust boot time
    • Enable AMSI
    • Found application associated with file extension: .dll
    • Stop behavior analysis, all processes terminated
    • Exclude process from analysis (whitelisted): BackgroundTransferHost.exe, backgroundTaskHost.exe, svchost.exe
    • Excluded IPs from analysis (whitelisted): 131.253.33.200, 13.107.22.200, 20.82.209.183
    • Excluded domains from analysis (whitelisted): www.bing.com, dual-a-0001.dc-msedge.net, iris-de-prod-azsc-neu.northeurope.cloudapp.azure.com, a-0001.a-afdentry.net.trafficmanager.net, store-images.s-microsoft.com, www-bing-com.dual-a-0001.a-msedge.net, arc.trafficmanager.net, watson.telemetry.microsoft.com, arc.msn.com
    • Not all processes where analyzed, report is missing behavior information
    No simulations
    No context
    No context
    No context
    No context
    No context
    No created / dropped files found
    File type:MS-DOS executable
    Entropy (8bit):6.442221882725178
    TrID:
    • Win64 Dynamic Link Library (generic) (102004/3) 84.88%
    • Win64 Executable (generic) (12005/4) 9.99%
    • DOS Executable Borland Pascal 7.0x (2037/25) 1.69%
    • Generic Win/DOS Executable (2004/3) 1.67%
    • DOS Executable Generic (2002/1) 1.67%
    File name:24ff7d60000.dll
    File size:248320
    MD5:7dfb20c4318a1045a3745e8ca507ce78
    SHA1:e85b218a1ee6ec3be0ec69eaccd62671766561ea
    SHA256:f8090b2dea01886cdf4b8c69e924e6f92717d3d19e1927aba61fda5b5b80898a
    SHA512:23b74d28a190c14be5a5164b92ca43d8a98a09925edbdd6e6810fc580e87af03598426a5a25e78c73d5e0dff54f0eddb79b4bd5f1f9e3777236e2cf49200c051
    SSDEEP:6144:HPMtglXNWOg0SbrhI8exPofnrWWJE4RX:HP1hI02rO8exgvrWWJh
    File Content Preview:MZ.............................................................................................................................................................................................................................................................
    Icon Hash:74f0e4ecccdce0e4
    Entrypoint:0x18000527c
    Entrypoint Section:.text
    Digitally signed:false
    Imagebase:0x180000000
    Subsystem:windows gui
    Image File Characteristics:EXECUTABLE_IMAGE, DLL, LARGE_ADDRESS_AWARE
    DLL Characteristics:
    Time Stamp:0x61B67F6F [Sun Dec 12 23:02:07 2021 UTC]
    TLS Callbacks:
    CLR (.Net) Version:
    OS Version Major:4
    OS Version Minor:0
    File Version Major:4
    File Version Minor:0
    Subsystem Version Major:4
    Subsystem Version Minor:0
    Import Hash:
    Instruction
    inc eax
    push ebx
    dec eax
    sub esp, 20h
    test edx, edx
    mov ebx, 00000001h
    je 00007FB72471DDB6h
    cmp edx, ebx
    jne 00007FB72471DDC1h
    mov eax, ebx
    lock xadd dword ptr [00034717h], eax
    add eax, ebx
    cmp eax, ebx
    jne 00007FB72471DDB1h
    dec ecx
    mov edx, eax
    call 00007FB724738D16h
    test eax, eax
    je 00007FB72471DDA5h
    xor ebx, ebx
    jmp 00007FB72471DDA1h
    lock add dword ptr [000346F9h], FFFFFFFFh
    jne 00007FB72471DD97h
    call 00007FB72471F97Fh
    mov eax, ebx
    dec eax
    add esp, 20h
    pop ebx
    ret
    int3
    int3
    dec eax
    mov dword ptr [esp+08h], ebx
    push edi
    dec eax
    sub esp, 60h
    lock add dword ptr [000348CAh], 01h
    inc esp
    mov edx, dword ptr [esp+000000A0h]
    mov eax, dword ptr [000348ECh]
    inc ecx
    or edx, 04h
    cmp al, 06h
    jnbe 00007FB72471DDF6h
    jne 00007FB72471DD9Bh
    cmp byte ptr [000348DCh], 00000000h
    jnbe 00007FB72471DDEBh
    dec eax
    mov eax, dword ptr [esp+000000B8h]
    dec eax
    mov edi, dword ptr [esp+000000C0h]
    dec eax
    mov dword ptr [esp+50h], edi
    dec eax
    mov dword ptr [esp+48h], eax
    dec eax
    mov eax, dword ptr [esp+000000B0h]
    dec eax
    mov dword ptr [esp+40h], eax
    dec eax
    mov eax, dword ptr [esp+000000A8h]
    dec eax
    mov dword ptr [esp+38h], eax
    mov eax, dword ptr [esp+00000098h]
    inc esp
    mov dword ptr [esp+30h], edx
    mov dword ptr [esp+28h], eax
    dec eax
    mov eax, dword ptr [esp+00000090h]
    NameVirtual AddressVirtual Size Is in Section
    IMAGE_DIRECTORY_ENTRY_EXPORT0x378000x37.rdata
    IMAGE_DIRECTORY_ENTRY_IMPORT0x367f80x3c.rdata
    IMAGE_DIRECTORY_ENTRY_RESOURCE0x00x0
    IMAGE_DIRECTORY_ENTRY_EXCEPTION0x3a0000x18f0.pdata
    IMAGE_DIRECTORY_ENTRY_SECURITY0x00x0
    IMAGE_DIRECTORY_ENTRY_BASERELOC0x3e0000x32c.reloc
    IMAGE_DIRECTORY_ENTRY_DEBUG0x00x0
    IMAGE_DIRECTORY_ENTRY_COPYRIGHT0x00x0
    IMAGE_DIRECTORY_ENTRY_GLOBALPTR0x00x0
    IMAGE_DIRECTORY_ENTRY_TLS0x00x0
    IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG0x00x0
    IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT0x00x0
    IMAGE_DIRECTORY_ENTRY_IAT0x310000x4f0.rdata
    IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT0x34e9c0x1e0.rdata
    IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR0x00x0
    IMAGE_DIRECTORY_ENTRY_RESERVED0x00x0
    NameVirtual AddressVirtual SizeRaw SizeXored PEZLIB ComplexityFile TypeEntropyCharacteristics
    .text0x10000x2fdec0x2fe00False0.579277496736zlib compressed data6.39992554242IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
    .rdata0x310000x68370x6a00False0.372346698113data5.26021941188IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
    .data0x380000x1e400x1800False0.31640625lif file3.696189142IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_WRITE, IMAGE_SCN_MEM_READ
    .pdata0x3a0000x18f00x1a00False0.528094951923data5.32861522181IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
    .bss0x3c0000x1f800x2000False0.970458984375data7.90682667928IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_WRITE, IMAGE_SCN_MEM_READ
    .reloc0x3e0000x10000xc00False0.513346354167data4.74473762141IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
    No network behavior found

    Click to jump to process

    Click to jump to process

    Click to jump to process

    Start time:12:52:21
    Start date:20/01/2022
    Path:C:\Windows\System32\loaddll64.exe
    Wow64 process (32bit):false
    Commandline:loaddll64.exe "C:\Users\user\Desktop\24ff7d60000.dll"
    Imagebase:0x7ff6aeda0000
    File size:140288 bytes
    MD5 hash:4E8A40CAD6CCC047914E3A7830A2D8AA
    Has elevated privileges:true
    Has administrator privileges:true
    Programmed in:C, C++ or other language
    Reputation:moderate

    Start time:12:52:21
    Start date:20/01/2022
    Path:C:\Windows\System32\cmd.exe
    Wow64 process (32bit):false
    Commandline:cmd.exe /C rundll32.exe "C:\Users\user\Desktop\24ff7d60000.dll",#1
    Imagebase:0x7ff7180e0000
    File size:273920 bytes
    MD5 hash:4E2ACF4F8A396486AB4268C94A6A245F
    Has elevated privileges:true
    Has administrator privileges:true
    Programmed in:C, C++ or other language
    Reputation:high

    Start time:12:52:21
    Start date:20/01/2022
    Path:C:\Windows\System32\rundll32.exe
    Wow64 process (32bit):false
    Commandline:rundll32.exe C:\Users\user\Desktop\24ff7d60000.dll,#1
    Imagebase:0x7ff779fd0000
    File size:69632 bytes
    MD5 hash:73C519F050C20580F8A62C849D49215A
    Has elevated privileges:true
    Has administrator privileges:true
    Programmed in:C, C++ or other language
    Reputation:high

    Start time:12:52:22
    Start date:20/01/2022
    Path:C:\Windows\System32\rundll32.exe
    Wow64 process (32bit):false
    Commandline:rundll32.exe "C:\Users\user\Desktop\24ff7d60000.dll",#1
    Imagebase:0x7ff779fd0000
    File size:69632 bytes
    MD5 hash:73C519F050C20580F8A62C849D49215A
    Has elevated privileges:true
    Has administrator privileges:true
    Programmed in:C, C++ or other language
    Reputation:high

    No disassembly