Analysis

  • max time kernel
    143s
  • max time network
    147s
  • 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 08:47

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:3048
    • 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:1308

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/1308-12-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1308-20-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/1308-19-0x0000000006330000-0x00000000064F2000-memory.dmp

    Filesize

    1.8MB

  • memory/1308-18-0x0000000006110000-0x0000000006160000-memory.dmp

    Filesize

    320KB

  • memory/1308-17-0x0000000004DA0000-0x0000000004DB0000-memory.dmp

    Filesize

    64KB

  • memory/1308-15-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3048-10-0x0000000007480000-0x00000000074E0000-memory.dmp

    Filesize

    384KB

  • memory/3048-8-0x0000000004CD0000-0x0000000004CE0000-memory.dmp

    Filesize

    64KB

  • memory/3048-9-0x0000000004CB0000-0x0000000004CBC000-memory.dmp

    Filesize

    48KB

  • memory/3048-0-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3048-11-0x0000000009B80000-0x0000000009C1C000-memory.dmp

    Filesize

    624KB

  • memory/3048-7-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3048-6-0x0000000004C90000-0x0000000004CAA000-memory.dmp

    Filesize

    104KB

  • memory/3048-5-0x0000000002690000-0x000000000269A000-memory.dmp

    Filesize

    40KB

  • memory/3048-16-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3048-4-0x0000000004CD0000-0x0000000004CE0000-memory.dmp

    Filesize

    64KB

  • memory/3048-3-0x0000000002700000-0x0000000002792000-memory.dmp

    Filesize

    584KB

  • memory/3048-2-0x00000000050D0000-0x0000000005674000-memory.dmp

    Filesize

    5.6MB

  • memory/3048-1-0x00000000000E0000-0x0000000000174000-memory.dmp

    Filesize

    592KB