Analysis

  • max time kernel
    132s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2024 09:16

General

  • Target

    rPO_CW00402902400438.exe

  • Size

    700KB

  • MD5

    9d2a73cf8ebd46cc833de56c9940d0b7

  • SHA1

    b5b76de46b9d3175c21dc5963fa5c3e85ca29996

  • SHA256

    96a414f408bf9ccc9b692b2dc5a4faa115e752edecdd5f2292c3135eee522b93

  • SHA512

    c7bf6b079f7d894c9fefe4c17449c76f8b9533f11521b66b4ceb7c1d9f03b2cad3bf727a56ea0b7ec6105d0f4bc91a8dae7f44dab07a193cb458e22dd3b1dc6f

  • SSDEEP

    12288:Gd71xg6zxcZOtyG5t4naxZvbUL0YIevp5sFy446x/pVM876/pBL0Of+E1pDjw:v6ziZGgnax9bUL0Cvok44ALL0fzf1U

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.

  • 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.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rPO_CW00402902400438.exe
    "C:\Users\Admin\AppData\Local\Temp\rPO_CW00402902400438.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4968
    • C:\Users\Admin\AppData\Local\Temp\rPO_CW00402902400438.exe
      "C:\Users\Admin\AppData\Local\Temp\rPO_CW00402902400438.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:516

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\rPO_CW00402902400438.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/516-11-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/516-19-0x00000000066B0000-0x0000000006700000-memory.dmp

    Filesize

    320KB

  • memory/516-18-0x0000000006830000-0x00000000069F2000-memory.dmp

    Filesize

    1.8MB

  • memory/516-17-0x00000000752A0000-0x0000000075A50000-memory.dmp

    Filesize

    7.7MB

  • memory/516-16-0x00000000752A0000-0x0000000075A50000-memory.dmp

    Filesize

    7.7MB

  • memory/516-15-0x00000000752A0000-0x0000000075A50000-memory.dmp

    Filesize

    7.7MB

  • memory/4968-4-0x00000000752A0000-0x0000000075A50000-memory.dmp

    Filesize

    7.7MB

  • memory/4968-8-0x00000000752A0000-0x0000000075A50000-memory.dmp

    Filesize

    7.7MB

  • memory/4968-9-0x00000000070B0000-0x000000000713C000-memory.dmp

    Filesize

    560KB

  • memory/4968-10-0x0000000009790000-0x000000000982C000-memory.dmp

    Filesize

    624KB

  • memory/4968-7-0x00000000752AE000-0x00000000752AF000-memory.dmp

    Filesize

    4KB

  • memory/4968-6-0x0000000005740000-0x0000000005752000-memory.dmp

    Filesize

    72KB

  • memory/4968-14-0x00000000752A0000-0x0000000075A50000-memory.dmp

    Filesize

    7.7MB

  • memory/4968-5-0x00000000054A0000-0x00000000054AA000-memory.dmp

    Filesize

    40KB

  • memory/4968-0-0x00000000752AE000-0x00000000752AF000-memory.dmp

    Filesize

    4KB

  • memory/4968-3-0x00000000053E0000-0x0000000005472000-memory.dmp

    Filesize

    584KB

  • memory/4968-2-0x0000000005A40000-0x0000000005FE4000-memory.dmp

    Filesize

    5.6MB

  • memory/4968-1-0x0000000000990000-0x0000000000A46000-memory.dmp

    Filesize

    728KB