Analysis

  • max time kernel
    120s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-01-2025 14:05

General

  • Target

    PO17971.exe

  • Size

    669KB

  • MD5

    7a01ce7b443e4c2f5344ef3ec0e21538

  • SHA1

    90f517920d408f9db6cdbeb6f67ba7c62708c851

  • SHA256

    ee6993e7afbf9a039db981542c0250e22fcaa01434db911732851c9e52bb38b6

  • SHA512

    9d14f5fd61cad5696b70bb2ceecadd495b41ebca1f2691d4dce8ccd1504db3c3cf58889df8eb799bda19d481803b727d55867512614f4733116dda77a22d26fc

  • SSDEEP

    12288:mEwl9Z7a0GM4Rb9So1JELBYaKMwzyrdowvUI69boqatgOr/2MlxSTtXVHM3IN:wawLNOwd69+tgyuMloTpDN

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.

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 3 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.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO17971.exe
    "C:\Users\Admin\AppData\Local\Temp\PO17971.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2516
    • 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\PO17971.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2316
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TZRtlifudvO.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2864
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TZRtlifudvO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE3AB.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2876
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.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:2644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpE3AB.tmp

    Filesize

    1KB

    MD5

    512cf3e2e82f4a8e2ec1b0597e9cb8e4

    SHA1

    760353c8f4060db1fb87c7ecd1c3feb0a4ea6fa8

    SHA256

    9680f4a126555e5c3cc394a2d415179b8e9a39e9dd2ee69372dd4c37ec33b6ff

    SHA512

    fbbeea787c138ffb10c832d613e7476a1f6c96b9562a934efdb8bbefe8d0cccc3845c1b98cf43661653c0446dd78a146b8ea1bc8421fdc754d9024285cc8d4df

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\FTBJ9I7S2U6R90AM8HKP.temp

    Filesize

    7KB

    MD5

    c6d439ada46c3677462fc055463c756f

    SHA1

    6638f0c69bc77dc4b008472fa7b01c5c0024b170

    SHA256

    d93d6cae386979a6685d791fb8173c2c8928e2d846165e8c8ebcf3147cbf4195

    SHA512

    d92e62554e800dc99bd8b0f4b0cf17f13a039fffe975731b7f933d426db52a2bf74e0d9e0ed53dd9763494b45503f0253607ced413948613252241da0447be14

  • memory/2516-0-0x00000000740AE000-0x00000000740AF000-memory.dmp

    Filesize

    4KB

  • memory/2516-1-0x0000000001290000-0x000000000133C000-memory.dmp

    Filesize

    688KB

  • memory/2516-2-0x00000000740A0000-0x000000007478E000-memory.dmp

    Filesize

    6.9MB

  • memory/2516-3-0x0000000000470000-0x000000000048A000-memory.dmp

    Filesize

    104KB

  • memory/2516-4-0x00000000740AE000-0x00000000740AF000-memory.dmp

    Filesize

    4KB

  • memory/2516-5-0x00000000740A0000-0x000000007478E000-memory.dmp

    Filesize

    6.9MB

  • memory/2516-6-0x0000000004900000-0x000000000497E000-memory.dmp

    Filesize

    504KB

  • memory/2516-34-0x00000000740A0000-0x000000007478E000-memory.dmp

    Filesize

    6.9MB

  • memory/2644-29-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2644-21-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2644-19-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2644-33-0x00000000009A0000-0x00000000009EE000-memory.dmp

    Filesize

    312KB

  • memory/2644-32-0x00000000008F0000-0x0000000000940000-memory.dmp

    Filesize

    320KB

  • memory/2644-31-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2644-30-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2644-27-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2644-25-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2644-23-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB