Analysis

  • max time kernel
    143s
  • max time network
    154s
  • 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 08:54

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 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 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 behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1888
    • C:\Users\Admin\AppData\Local\Temp\qhCwtk3xzBi0epX.exe
      "C:\Users\Admin\AppData\Local\Temp\qhCwtk3xzBi0epX.exe"
      2⤵
        PID:2280
      • 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:2192

    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/1888-8-0x00000000051B0000-0x00000000051C0000-memory.dmp

      Filesize

      64KB

    • memory/1888-3-0x0000000005240000-0x00000000052D2000-memory.dmp

      Filesize

      584KB

    • memory/1888-10-0x0000000006BF0000-0x0000000006C4E000-memory.dmp

      Filesize

      376KB

    • memory/1888-11-0x0000000009240000-0x00000000092DC000-memory.dmp

      Filesize

      624KB

    • memory/1888-5-0x00000000053D0000-0x00000000053DA000-memory.dmp

      Filesize

      40KB

    • memory/1888-6-0x00000000055C0000-0x00000000055D0000-memory.dmp

      Filesize

      64KB

    • memory/1888-7-0x0000000075140000-0x00000000758F0000-memory.dmp

      Filesize

      7.7MB

    • memory/1888-0-0x0000000075140000-0x00000000758F0000-memory.dmp

      Filesize

      7.7MB

    • memory/1888-9-0x0000000005720000-0x000000000572C000-memory.dmp

      Filesize

      48KB

    • memory/1888-2-0x0000000005750000-0x0000000005CF4000-memory.dmp

      Filesize

      5.6MB

    • memory/1888-4-0x00000000051B0000-0x00000000051C0000-memory.dmp

      Filesize

      64KB

    • memory/1888-16-0x0000000075140000-0x00000000758F0000-memory.dmp

      Filesize

      7.7MB

    • memory/1888-1-0x00000000007C0000-0x000000000083E000-memory.dmp

      Filesize

      504KB

    • memory/2192-15-0x0000000075140000-0x00000000758F0000-memory.dmp

      Filesize

      7.7MB

    • memory/2192-12-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2192-17-0x0000000075140000-0x00000000758F0000-memory.dmp

      Filesize

      7.7MB

    • memory/2192-18-0x0000000006A50000-0x0000000006AA0000-memory.dmp

      Filesize

      320KB

    • memory/2192-19-0x0000000006C70000-0x0000000006E32000-memory.dmp

      Filesize

      1.8MB