Analysis

  • max time kernel
    138s
  • 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
    11-10-2023 11:16

General

  • Target

    acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe

  • Size

    626KB

  • MD5

    64d90715da693eebdd2bb41de45a6c64

  • SHA1

    0d3fcfe3a6a4ff96027d5bbb4c9cb1d6e6312ca0

  • SHA256

    acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856

  • SHA512

    db984fb74269a267ec97b633b86e4ca004d0344fd9e7cc205ac92aab62bb4bf9d7c007a9e8fb031aba259009f9a6142bb3ed0e360a5d2aa6af8244c7304b349d

  • SSDEEP

    12288:uG0WWObWmOx35tiBPz03A2Ku2RbPU4FUsPTlmfn5sCLbszB4HslTnW:W4DQi903YbPU4UsBmGC/GlTn

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.1tcl.com
  • Port:
    25
  • Username:
    [email protected]
  • Password:
    RRa*ysS8

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 2 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\acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4580
    • C:\Users\Admin\AppData\Local\Temp\acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856_JC.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/2216-12-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2216-21-0x0000000005AB0000-0x0000000005AC0000-memory.dmp

    Filesize

    64KB

  • memory/2216-20-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/2216-19-0x0000000006D80000-0x0000000006F42000-memory.dmp

    Filesize

    1.8MB

  • memory/2216-18-0x0000000006B60000-0x0000000006BB0000-memory.dmp

    Filesize

    320KB

  • memory/2216-17-0x0000000005AB0000-0x0000000005AC0000-memory.dmp

    Filesize

    64KB

  • memory/2216-15-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/4580-10-0x0000000005C40000-0x0000000005C9E000-memory.dmp

    Filesize

    376KB

  • memory/4580-9-0x0000000004E60000-0x0000000004E6C000-memory.dmp

    Filesize

    48KB

  • memory/4580-1-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/4580-11-0x0000000006F80000-0x000000000701C000-memory.dmp

    Filesize

    624KB

  • memory/4580-8-0x0000000004F90000-0x0000000004FA0000-memory.dmp

    Filesize

    64KB

  • memory/4580-7-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/4580-6-0x0000000004CA0000-0x0000000004CB4000-memory.dmp

    Filesize

    80KB

  • memory/4580-16-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/4580-5-0x0000000004CB0000-0x0000000004CBA000-memory.dmp

    Filesize

    40KB

  • memory/4580-4-0x0000000004F90000-0x0000000004FA0000-memory.dmp

    Filesize

    64KB

  • memory/4580-3-0x0000000004D10000-0x0000000004DA2000-memory.dmp

    Filesize

    584KB

  • memory/4580-2-0x0000000005220000-0x00000000057C4000-memory.dmp

    Filesize

    5.6MB

  • memory/4580-0-0x0000000000210000-0x00000000002B2000-memory.dmp

    Filesize

    648KB