Analysis

  • max time kernel
    198s
  • max time network
    214s
  • 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 07:00

General

  • Target

    qhCwtk3xzBi0epX.exe

  • Size

    489KB

  • MD5

    b4021c454e2c87647872ba4851700174

  • SHA1

    8c8f281ce90af9a24dd230ad47c1e52b57f9f87e

  • SHA256

    d0659f8d337232622688d25aca3c38e2e8766cba24836f4c9f76774a1a5ba370

  • SHA512

    88ed1cf4011e4a072c938635569be22ad836ff30b9bea2d043edb377a745dabebf5f0b589207c017b590c8fee9cd6a82652517dccd37a96c2ec9b00c5baafefe

  • SSDEEP

    12288:O725kL+UonN7GqXkxpgPgI5ZzVqpiUxDdfyQOnXJ:tA+UoNr0HgTbxixDdfy

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 3 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\qhCwtk3xzBi0epX.exe
    "C:\Users\Admin\AppData\Local\Temp\qhCwtk3xzBi0epX.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3848
    • C:\Users\Admin\AppData\Local\Temp\qhCwtk3xzBi0epX.exe
      "C:\Users\Admin\AppData\Local\Temp\qhCwtk3xzBi0epX.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\qhCwtk3xzBi0epX.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1860-12-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1860-21-0x0000000006870000-0x0000000006A32000-memory.dmp

    Filesize

    1.8MB

  • memory/1860-20-0x0000000006650000-0x00000000066A0000-memory.dmp

    Filesize

    320KB

  • memory/1860-19-0x00000000058C0000-0x00000000058D0000-memory.dmp

    Filesize

    64KB

  • memory/1860-18-0x00000000748F0000-0x00000000750A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1860-17-0x00000000058C0000-0x00000000058D0000-memory.dmp

    Filesize

    64KB

  • memory/1860-15-0x00000000748F0000-0x00000000750A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3848-10-0x0000000006B80000-0x0000000006BDE000-memory.dmp

    Filesize

    376KB

  • memory/3848-9-0x0000000001690000-0x000000000169C000-memory.dmp

    Filesize

    48KB

  • memory/3848-1-0x00000000748F0000-0x00000000750A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3848-11-0x0000000008500000-0x000000000859C000-memory.dmp

    Filesize

    624KB

  • memory/3848-8-0x0000000005B60000-0x0000000005B70000-memory.dmp

    Filesize

    64KB

  • memory/3848-7-0x0000000005E10000-0x0000000005E20000-memory.dmp

    Filesize

    64KB

  • memory/3848-6-0x0000000005B00000-0x0000000005B0A000-memory.dmp

    Filesize

    40KB

  • memory/3848-16-0x00000000748F0000-0x00000000750A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3848-5-0x0000000005B60000-0x0000000005B70000-memory.dmp

    Filesize

    64KB

  • memory/3848-4-0x0000000005960000-0x00000000059F2000-memory.dmp

    Filesize

    584KB

  • memory/3848-3-0x0000000005E70000-0x0000000006414000-memory.dmp

    Filesize

    5.6MB

  • memory/3848-2-0x00000000748F0000-0x00000000750A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3848-0-0x0000000000F00000-0x0000000000F7E000-memory.dmp

    Filesize

    504KB