Analysis

  • max time kernel
    147s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-09-2023 08:48

General

  • Target

    DHL Shipment Doc.exe

  • Size

    573KB

  • MD5

    a482c55e1c9752304022e21bc1030894

  • SHA1

    832234dd48fc70bae1fdb55ec46487f96bec8188

  • SHA256

    a9fc57ab4ffcca4baa8f4fe69708ea3d63d5f85f5f5916bd7870fe547f368e02

  • SHA512

    8eb52d43dccd2fd451d3197aaefea26fb073f5d6a15d4d64b7a289acf9251b28cb2997a648c2b5b275aec5787c42545145734ed675ce7e02d2196d8a297b0dd4

  • SSDEEP

    12288:8HnyiRJU/Wc//ZXrM+w1fMfc+WMU6ujEsqbb3drn6q273VWSQ/kRIA:cyFemVr6S9ujENXyw6O

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • 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 2 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
  • 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\DHL Shipment Doc.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL Shipment Doc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5080
    • C:\Users\Admin\AppData\Local\Temp\DHL Shipment Doc.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL Shipment Doc.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2376

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/2376-12-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2376-20-0x0000000074A00000-0x00000000751B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2376-19-0x0000000006720000-0x00000000068E2000-memory.dmp

    Filesize

    1.8MB

  • memory/2376-18-0x0000000006500000-0x0000000006550000-memory.dmp

    Filesize

    320KB

  • memory/2376-17-0x0000000005400000-0x0000000005410000-memory.dmp

    Filesize

    64KB

  • memory/2376-16-0x0000000074A00000-0x00000000751B0000-memory.dmp

    Filesize

    7.7MB

  • memory/5080-5-0x0000000005250000-0x000000000525A000-memory.dmp

    Filesize

    40KB

  • memory/5080-8-0x00000000052C0000-0x00000000052D0000-memory.dmp

    Filesize

    64KB

  • memory/5080-9-0x0000000005490000-0x000000000549C000-memory.dmp

    Filesize

    48KB

  • memory/5080-10-0x0000000007B40000-0x0000000007BA0000-memory.dmp

    Filesize

    384KB

  • memory/5080-11-0x000000000A270000-0x000000000A30C000-memory.dmp

    Filesize

    624KB

  • memory/5080-7-0x0000000074A00000-0x00000000751B0000-memory.dmp

    Filesize

    7.7MB

  • memory/5080-6-0x0000000005470000-0x000000000548A000-memory.dmp

    Filesize

    104KB

  • memory/5080-15-0x0000000074A00000-0x00000000751B0000-memory.dmp

    Filesize

    7.7MB

  • memory/5080-0-0x00000000007A0000-0x0000000000834000-memory.dmp

    Filesize

    592KB

  • memory/5080-4-0x00000000052C0000-0x00000000052D0000-memory.dmp

    Filesize

    64KB

  • memory/5080-3-0x00000000050B0000-0x0000000005142000-memory.dmp

    Filesize

    584KB

  • memory/5080-2-0x0000000005660000-0x0000000005C04000-memory.dmp

    Filesize

    5.6MB

  • memory/5080-1-0x0000000074A00000-0x00000000751B0000-memory.dmp

    Filesize

    7.7MB