Analysis

  • max time kernel
    135s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-07-2024 01:23

General

  • Target

    683b3c223e311088d28b4d7ee52e207d8593836887a359a9cdb3b5535f305aa3.exe

  • Size

    481KB

  • MD5

    9f259b3c899293bc12c9397e010f9e40

  • SHA1

    af9c1736e4b3fdb69e3e22a70953872257335c89

  • SHA256

    683b3c223e311088d28b4d7ee52e207d8593836887a359a9cdb3b5535f305aa3

  • SHA512

    e12e2ccf1a57b492409c4ce3af237972b11b1b8c126f2b6ad7d56a0b3ef601a226259c5d8706819c95319614a38fa2d2890a62e7f9ce816acf2c445c8529b495

  • SSDEEP

    6144:ZXuAPKbl6eAs+AYJAmp1sWososBPBY0SQBhhASbOF7HAAPq/XtLMfFUYK8tvFCkt:ZXuBxOKkAVzAAylLMfCYK8tv

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    valleycountysar.org
  • Port:
    26
  • Username:
    [email protected]
  • Password:
    fY,FLoadtsiF

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\683b3c223e311088d28b4d7ee52e207d8593836887a359a9cdb3b5535f305aa3.exe
    "C:\Users\Admin\AppData\Local\Temp\683b3c223e311088d28b4d7ee52e207d8593836887a359a9cdb3b5535f305aa3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3676
    • C:\Users\Admin\AppData\Local\Temp\683b3c223e311088d28b4d7ee52e207d8593836887a359a9cdb3b5535f305aa3.exe
      "C:\Users\Admin\AppData\Local\Temp\683b3c223e311088d28b4d7ee52e207d8593836887a359a9cdb3b5535f305aa3.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4424
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\683b3c223e311088d28b4d7ee52e207d8593836887a359a9cdb3b5535f305aa3.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3180
        • C:\Windows\SysWOW64\choice.exe
          choice /C Y /N /D Y /T 3
          4⤵
            PID:3720

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\683b3c223e311088d28b4d7ee52e207d8593836887a359a9cdb3b5535f305aa3.exe.log
      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/3676-4-0x0000000004FA0000-0x0000000004FAA000-memory.dmp
      Filesize

      40KB

    • memory/3676-8-0x0000000005050000-0x0000000005058000-memory.dmp
      Filesize

      32KB

    • memory/3676-3-0x0000000004E10000-0x0000000004EA2000-memory.dmp
      Filesize

      584KB

    • memory/3676-5-0x0000000005000000-0x0000000005054000-memory.dmp
      Filesize

      336KB

    • memory/3676-6-0x0000000074550000-0x0000000074D00000-memory.dmp
      Filesize

      7.7MB

    • memory/3676-0-0x000000007455E000-0x000000007455F000-memory.dmp
      Filesize

      4KB

    • memory/3676-7-0x0000000005100000-0x000000000519C000-memory.dmp
      Filesize

      624KB

    • memory/3676-2-0x0000000005320000-0x00000000058C4000-memory.dmp
      Filesize

      5.6MB

    • memory/3676-1-0x0000000000320000-0x000000000039E000-memory.dmp
      Filesize

      504KB

    • memory/3676-13-0x0000000074550000-0x0000000074D00000-memory.dmp
      Filesize

      7.7MB

    • memory/4424-11-0x0000000074550000-0x0000000074D00000-memory.dmp
      Filesize

      7.7MB

    • memory/4424-10-0x0000000074550000-0x0000000074D00000-memory.dmp
      Filesize

      7.7MB

    • memory/4424-9-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

    • memory/4424-15-0x0000000074550000-0x0000000074D00000-memory.dmp
      Filesize

      7.7MB