Analysis

  • max time kernel
    66s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    30/10/2024, 03:13

General

  • Target

    Shipping Documents 240384.exe

  • Size

    771KB

  • MD5

    70338f79bb11ee88003ea5f2d0d363c1

  • SHA1

    85d426e23b7223faacea8b78c6de345098ccfbad

  • SHA256

    50bcb2857ce3d005fad3479253fa1c7a8cf0cd667c16d9d7c292d9307011dadf

  • SHA512

    bace26acc95d929c703e437d5adc360bb54190aaa6f054ff4e77a9bc183bf17603f4a806344de80538c0669ede1c5f085bae9c2a355cbfdbd3cf2d08c2df8295

  • SSDEEP

    12288:113LrfXYb+9JKV6WpWlCFl2SQ2gkXb4uvzt0FpIrlIK25FBc:nYb+9i11HDIkXb4gztLIDFBc

Malware Config

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Shipping Documents 240384.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping Documents 240384.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Shipping Documents 240384.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1896
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tdcorV.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2776
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tdcorV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpABBA.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2680
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1100

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpABBA.tmp

    Filesize

    1KB

    MD5

    99c4ae8cfa3b702b37c179c3231ade61

    SHA1

    635fc9b64f330740b1dbab555be5a15ff0e9bc05

    SHA256

    538b0b83ecf5b98269af84f919afc9d9715f7130129cf18d1ff8ead1118045c9

    SHA512

    c2a70b326d43e36837c0263aeeec0b5f96aefd8bcbaa178de3ce38117281c26c45475b12db8c5ca97a12df89b11f47e01a2ef1015b862e6f38956a99ce2cf7d4

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    ff1f3f8b687d99050101c7ddce186e0e

    SHA1

    c186a3e4bca2da74f9ce650c24a756af3eac1f63

    SHA256

    d4b87862d68b9710b6d941050c188b691b3cb71568f9c00a3624773859baa0e1

    SHA512

    35267e030bddf562400a17bb82c32018061f78dc434256ef15e09fa82d1fbec0e1961b8a76d6b01bced5ca4c9e2b8fb3ded62d721329231898c683469fc74205

  • memory/1100-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1100-28-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1100-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1100-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1100-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1100-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1100-30-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1100-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1680-6-0x000000000AA10000-0x000000000AA9C000-memory.dmp

    Filesize

    560KB

  • memory/1680-1-0x0000000000950000-0x0000000000A18000-memory.dmp

    Filesize

    800KB

  • memory/1680-0-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

    Filesize

    4KB

  • memory/1680-2-0x0000000073F60000-0x000000007464E000-memory.dmp

    Filesize

    6.9MB

  • memory/1680-3-0x0000000000920000-0x000000000093E000-memory.dmp

    Filesize

    120KB

  • memory/1680-5-0x0000000073F60000-0x000000007464E000-memory.dmp

    Filesize

    6.9MB

  • memory/1680-4-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

    Filesize

    4KB

  • memory/1680-31-0x0000000073F60000-0x000000007464E000-memory.dmp

    Filesize

    6.9MB