Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/08/2023, 08:48

General

  • Target

    3fe71522ce5f960304c80b97e6adb728.exe

  • Size

    354KB

  • MD5

    3fe71522ce5f960304c80b97e6adb728

  • SHA1

    0d9a69500e417e656bba786275cf71861d02413a

  • SHA256

    f8e0838f1c51682621b32897e221af4ea8248e880a48866de2793ca3dfd3527d

  • SHA512

    bf04ff89482b4e7beab39434e66e0f78ef1a5b3a15ed3b2cb9fd173352594eeb2dfd8031659b539f438542d3592df4b06f70ea394b76fdafba4e366679ba69f5

  • SSDEEP

    6144:Z6ejZRDQ+3HwOU2I6sm3Qtc0fROQNEm9nx9NfC67o0Qam4i:LkoU56sA0cBva9NK67o0QaI

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3fe71522ce5f960304c80b97e6adb728.exe
    "C:\Users\Admin\AppData\Local\Temp\3fe71522ce5f960304c80b97e6adb728.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Users\Admin\AppData\Local\Temp\3fe71522ce5f960304c80b97e6adb728.exe
      "C:\Users\Admin\AppData\Local\Temp\3fe71522ce5f960304c80b97e6adb728.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3620
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3620 -s 1808
        3⤵
        • Program crash
        PID:2972
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3620 -ip 3620
    1⤵
      PID:540

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3fe71522ce5f960304c80b97e6adb728.exe.log

            Filesize

            1KB

            MD5

            8ec831f3e3a3f77e4a7b9cd32b48384c

            SHA1

            d83f09fd87c5bd86e045873c231c14836e76a05c

            SHA256

            7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

            SHA512

            26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

          • memory/2220-139-0x0000000006F30000-0x0000000006FCC000-memory.dmp

            Filesize

            624KB

          • memory/2220-141-0x00000000059F0000-0x0000000005A00000-memory.dmp

            Filesize

            64KB

          • memory/2220-136-0x0000000005860000-0x00000000058F2000-memory.dmp

            Filesize

            584KB

          • memory/2220-137-0x00000000059F0000-0x0000000005A00000-memory.dmp

            Filesize

            64KB

          • memory/2220-138-0x0000000005850000-0x000000000585A000-memory.dmp

            Filesize

            40KB

          • memory/2220-133-0x0000000000DF0000-0x0000000000E4E000-memory.dmp

            Filesize

            376KB

          • memory/2220-140-0x00000000747E0000-0x0000000074F90000-memory.dmp

            Filesize

            7.7MB

          • memory/2220-135-0x0000000005D70000-0x0000000006314000-memory.dmp

            Filesize

            5.6MB

          • memory/2220-146-0x00000000747E0000-0x0000000074F90000-memory.dmp

            Filesize

            7.7MB

          • memory/2220-134-0x00000000747E0000-0x0000000074F90000-memory.dmp

            Filesize

            7.7MB

          • memory/3620-142-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/3620-145-0x00000000747E0000-0x0000000074F90000-memory.dmp

            Filesize

            7.7MB

          • memory/3620-147-0x0000000005820000-0x0000000005830000-memory.dmp

            Filesize

            64KB

          • memory/3620-148-0x00000000747E0000-0x0000000074F90000-memory.dmp

            Filesize

            7.7MB