Analysis

  • max time kernel
    67s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    28/03/2025, 17:07

General

  • Target

    PO#98540-00.exe

  • Size

    735KB

  • MD5

    12b61aabd698fc417a5b8585b080ec8e

  • SHA1

    c02d9b78c50a4e4f5ef6b8834e7b24c3b43d9090

  • SHA256

    3eb9ac022f20d35c40968d17b72955c8a193ad8be8d18d9c822fbddeef77adbb

  • SHA512

    235b2b08ffef0d223c93d220cf8f3571130fe7b985c332f1013f70a5caca7cbf237efd54861fb2686c5dbafa89dcdc71e6d927d3f99e0c739906e5dc21b140bf

  • SSDEEP

    12288:e8QiKaxBHnzwb5FSgCS9ENY+/Xn1GFhdVBVyALy6xm7hDjoyW+j3:FQiHw6gCp/Xn1Shbfrnm7tczO

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 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 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO#98540-00.exe
    "C:\Users\Admin\AppData\Local\Temp\PO#98540-00.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2904
    • 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\PO#98540-00.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2992
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ACLAoT.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2724
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ACLAoT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3E77.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2136
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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:2728

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3E77.tmp

    Filesize

    1KB

    MD5

    ba826bb3a31a7616b5100534983af710

    SHA1

    e30b5de1b93dc760119a69f70eb259e59c24911f

    SHA256

    71eef8bd1b9ffc74e2eb3a4dbf8fdd9ac28543c74fb8e486216c43bbc688cbf3

    SHA512

    a343a6989cf0067a91812fef6a9cab811136ff4f0df3d1c3bc1e7fd9559772419f925f0065391ae6310df4943619b66ff1940bed6a8fef4c54bc71d481904e3b

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

    Filesize

    7KB

    MD5

    44cd8230ae7de13226db136017501762

    SHA1

    3b2b246d0c70582e21e4049529cd5fb876d66629

    SHA256

    22382c59ea025dafd4f2f685f447c4fde526bc088445476b2755d2f7188070b0

    SHA512

    0281887feb3d727b81f929a97259b787bf06cecad3dc60ee01338c5aa8b6a0ef557a52dcdd53377c8b07a6812256761c50b85a68c1d33362df326c22f8262057

  • memory/2728-29-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2728-21-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2728-23-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2728-25-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2728-27-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2728-28-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2728-30-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2728-19-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2904-4-0x000000007430E000-0x000000007430F000-memory.dmp

    Filesize

    4KB

  • memory/2904-6-0x0000000005B20000-0x0000000005BAE000-memory.dmp

    Filesize

    568KB

  • memory/2904-31-0x0000000074300000-0x00000000749EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2904-5-0x0000000074300000-0x00000000749EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2904-0-0x000000007430E000-0x000000007430F000-memory.dmp

    Filesize

    4KB

  • memory/2904-3-0x00000000007A0000-0x00000000007B8000-memory.dmp

    Filesize

    96KB

  • memory/2904-2-0x0000000074300000-0x00000000749EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2904-1-0x00000000012F0000-0x00000000013AC000-memory.dmp

    Filesize

    752KB