Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 13:07

General

  • Target

    PO-1124-0018- TTR-ASP1 .. 20 adet 0191621.exe

  • Size

    773KB

  • MD5

    4b393b41e5b7bdd02e481816bec9ff4a

  • SHA1

    35b60bdfa5130cc88b508f4fee9c226a2277517b

  • SHA256

    b71fb82589e3532a9390352bc87f7c2edc2cd7fae723fe203500350a31559e17

  • SHA512

    28ae160172d1d13a8b56dac51dd38f44c1cbf2c4755300d34adfc5c5638ee2375bc7cf8b29e8173933f0f3e672cd2e8e8469fa341e3356a0c7e34153e08ac0e3

  • SSDEEP

    12288:ipdY9shQgZCnoCKpJTH7uag0rQ8Vt7W68RNkBXKU5YYyTAo187Ce6m05/W:WdhlyzKrHSaVrQ8i6UkxKVaSR7m05/

Malware Config

Extracted

Family

vipkeylogger

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 1 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO-1124-0018- TTR-ASP1 .. 20 adet 0191621.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-1124-0018- TTR-ASP1 .. 20 adet 0191621.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4936
    • 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-1124-0018- TTR-ASP1 .. 20 adet 0191621.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1584
    • C:\Users\Admin\AppData\Local\Temp\PO-1124-0018- TTR-ASP1 .. 20 adet 0191621.exe
      "C:\Users\Admin\AppData\Local\Temp\PO-1124-0018- TTR-ASP1 .. 20 adet 0191621.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:948

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO-1124-0018- TTR-ASP1 .. 20 adet 0191621.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ujmppegs.m3c.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/948-65-0x0000000006F70000-0x000000000749C000-memory.dmp

    Filesize

    5.2MB

  • memory/948-64-0x00000000066F0000-0x0000000006740000-memory.dmp

    Filesize

    320KB

  • memory/948-63-0x0000000006870000-0x0000000006A32000-memory.dmp

    Filesize

    1.8MB

  • memory/948-59-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1584-12-0x0000000074BD0000-0x0000000075380000-memory.dmp

    Filesize

    7.7MB

  • memory/1584-46-0x0000000074BD0000-0x0000000075380000-memory.dmp

    Filesize

    7.7MB

  • memory/1584-58-0x0000000074BD0000-0x0000000075380000-memory.dmp

    Filesize

    7.7MB

  • memory/1584-52-0x0000000007090000-0x000000000709E000-memory.dmp

    Filesize

    56KB

  • memory/1584-54-0x00000000071A0000-0x00000000071BA000-memory.dmp

    Filesize

    104KB

  • memory/1584-11-0x00000000045A0000-0x00000000045D6000-memory.dmp

    Filesize

    216KB

  • memory/1584-13-0x0000000004C60000-0x0000000005288000-memory.dmp

    Filesize

    6.2MB

  • memory/1584-16-0x00000000053D0000-0x0000000005436000-memory.dmp

    Filesize

    408KB

  • memory/1584-55-0x0000000007180000-0x0000000007188000-memory.dmp

    Filesize

    32KB

  • memory/1584-28-0x0000000074BD0000-0x0000000075380000-memory.dmp

    Filesize

    7.7MB

  • memory/1584-27-0x0000000005660000-0x00000000059B4000-memory.dmp

    Filesize

    3.3MB

  • memory/1584-17-0x00000000054F0000-0x0000000005556000-memory.dmp

    Filesize

    408KB

  • memory/1584-29-0x0000000005B40000-0x0000000005B5E000-memory.dmp

    Filesize

    120KB

  • memory/1584-30-0x0000000005B80000-0x0000000005BCC000-memory.dmp

    Filesize

    304KB

  • memory/1584-15-0x0000000074BD0000-0x0000000075380000-memory.dmp

    Filesize

    7.7MB

  • memory/1584-14-0x0000000004B70000-0x0000000004B92000-memory.dmp

    Filesize

    136KB

  • memory/1584-53-0x00000000070A0000-0x00000000070B4000-memory.dmp

    Filesize

    80KB

  • memory/1584-44-0x0000000006D30000-0x0000000006DD3000-memory.dmp

    Filesize

    652KB

  • memory/1584-45-0x0000000074BD0000-0x0000000075380000-memory.dmp

    Filesize

    7.7MB

  • memory/1584-51-0x0000000007060000-0x0000000007071000-memory.dmp

    Filesize

    68KB

  • memory/1584-48-0x0000000006E60000-0x0000000006E7A000-memory.dmp

    Filesize

    104KB

  • memory/1584-47-0x00000000074A0000-0x0000000007B1A000-memory.dmp

    Filesize

    6.5MB

  • memory/1584-43-0x0000000006D00000-0x0000000006D1E000-memory.dmp

    Filesize

    120KB

  • memory/1584-49-0x0000000006ED0000-0x0000000006EDA000-memory.dmp

    Filesize

    40KB

  • memory/1584-33-0x0000000074BD0000-0x0000000075380000-memory.dmp

    Filesize

    7.7MB

  • memory/1584-32-0x000000006F410000-0x000000006F45C000-memory.dmp

    Filesize

    304KB

  • memory/1584-50-0x00000000070E0000-0x0000000007176000-memory.dmp

    Filesize

    600KB

  • memory/1584-31-0x0000000006110000-0x0000000006142000-memory.dmp

    Filesize

    200KB

  • memory/4936-7-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

    Filesize

    4KB

  • memory/4936-0-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

    Filesize

    4KB

  • memory/4936-6-0x0000000005120000-0x000000000513E000-memory.dmp

    Filesize

    120KB

  • memory/4936-10-0x000000000A740000-0x000000000A7DC000-memory.dmp

    Filesize

    624KB

  • memory/4936-9-0x00000000063F0000-0x000000000647E000-memory.dmp

    Filesize

    568KB

  • memory/4936-8-0x0000000074BD0000-0x0000000075380000-memory.dmp

    Filesize

    7.7MB

  • memory/4936-62-0x0000000074BD0000-0x0000000075380000-memory.dmp

    Filesize

    7.7MB

  • memory/4936-4-0x0000000074BD0000-0x0000000075380000-memory.dmp

    Filesize

    7.7MB

  • memory/4936-5-0x0000000002A50000-0x0000000002A5A000-memory.dmp

    Filesize

    40KB

  • memory/4936-3-0x0000000004F50000-0x0000000004FE2000-memory.dmp

    Filesize

    584KB

  • memory/4936-2-0x0000000005460000-0x0000000005A04000-memory.dmp

    Filesize

    5.6MB

  • memory/4936-1-0x0000000000410000-0x00000000004D8000-memory.dmp

    Filesize

    800KB