Analysis

  • max time kernel
    140s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/08/2023, 04:42

General

  • Target

    TKSC2310596000.exe

  • Size

    544KB

  • MD5

    c580578c2d1d9203d43537f6e71a7c99

  • SHA1

    ccff8d607eef5159e44fa349fb8fa7e8560600ec

  • SHA256

    c545399c898bb75310af8f052aafc91e44893ff82905d80f3b449321b6c61489

  • SHA512

    0abc9c9b8ce4ce830542e5ee2ab0a93ccf10f13b273ff0791bed71330aba07d9fe9a90dbdde0896dfcf79f928431f2592e215ea4247b9c86142c07124050d44a

  • SSDEEP

    12288:2+15YQvjOuVfIQ3e97weN2LhB0iXmVDW0MDhYm5:2+1XOuv3C92LL0iXm+hYm5

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.

  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\TKSC2310596000.exe
    "C:\Users\Admin\AppData\Local\Temp\TKSC2310596000.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2860
    • C:\Users\Admin\AppData\Local\Temp\TKSC2310596000.exe
      "C:\Users\Admin\AppData\Local\Temp\TKSC2310596000.exe"
      2⤵
        PID:4356
      • C:\Users\Admin\AppData\Local\Temp\TKSC2310596000.exe
        "C:\Users\Admin\AppData\Local\Temp\TKSC2310596000.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4048

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\TKSC2310596000.exe.log

            Filesize

            1KB

            MD5

            8ec831f3e3a3f77e4a7b9cd32b48384c

            SHA1

            d83f09fd87c5bd86e045873c231c14836e76a05c

            SHA256

            7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

            SHA512

            26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

          • memory/2860-141-0x0000000009CC0000-0x0000000009D5C000-memory.dmp

            Filesize

            624KB

          • memory/2860-134-0x00000000746F0000-0x0000000074EA0000-memory.dmp

            Filesize

            7.7MB

          • memory/2860-136-0x0000000005990000-0x0000000005A22000-memory.dmp

            Filesize

            584KB

          • memory/2860-137-0x0000000005AF0000-0x0000000005B00000-memory.dmp

            Filesize

            64KB

          • memory/2860-138-0x0000000005970000-0x000000000597A000-memory.dmp

            Filesize

            40KB

          • memory/2860-139-0x00000000746F0000-0x0000000074EA0000-memory.dmp

            Filesize

            7.7MB

          • memory/2860-135-0x0000000005F40000-0x00000000064E4000-memory.dmp

            Filesize

            5.6MB

          • memory/2860-140-0x0000000005AF0000-0x0000000005B00000-memory.dmp

            Filesize

            64KB

          • memory/2860-146-0x00000000746F0000-0x0000000074EA0000-memory.dmp

            Filesize

            7.7MB

          • memory/2860-133-0x0000000000EE0000-0x0000000000F6E000-memory.dmp

            Filesize

            568KB

          • memory/4048-142-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/4048-145-0x00000000746F0000-0x0000000074EA0000-memory.dmp

            Filesize

            7.7MB

          • memory/4048-147-0x0000000005020000-0x0000000005030000-memory.dmp

            Filesize

            64KB

          • memory/4048-148-0x00000000063A0000-0x0000000006562000-memory.dmp

            Filesize

            1.8MB

          • memory/4048-149-0x00000000746F0000-0x0000000074EA0000-memory.dmp

            Filesize

            7.7MB

          • memory/4048-150-0x0000000005020000-0x0000000005030000-memory.dmp

            Filesize

            64KB