Analysis

  • max time kernel
    147s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-03-2024 10:03

General

  • Target

    39d6afe5692079df30e75663f459d0e4_JaffaCakes118.exe

  • Size

    298KB

  • MD5

    39d6afe5692079df30e75663f459d0e4

  • SHA1

    6bf764e164447dde5c39b8abbb12288379a69f33

  • SHA256

    94599985eaba6ba050b0be5c1aa3fd3f5bb469190b6a7a9f81d2c930b69bef38

  • SHA512

    73c7a67cd66a7ef03dcd9673773c41c15a0e7bfd328b10c43b61e14d14b392fa79891bcef54f978d5a17364cbf69afa4ea63e35a3b4ab7a841064004d3ef00f2

  • SSDEEP

    6144:XAGQgMkhBJUnPFWByu1tgdMgfh8JJulwz2quwif2U6:gSByPU8ytgNoJulIpuXf2U

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\39d6afe5692079df30e75663f459d0e4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\39d6afe5692079df30e75663f459d0e4_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4124
    • C:\Users\Admin\AppData\Local\Temp\39d6afe5692079df30e75663f459d0e4_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\39d6afe5692079df30e75663f459d0e4_JaffaCakes118.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2096
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2096 -s 1820
        3⤵
        • Program crash
        PID:2708
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2096 -ip 2096
    1⤵
      PID:1656

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\39d6afe5692079df30e75663f459d0e4_JaffaCakes118.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/2096-11-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2096-17-0x0000000074520000-0x0000000074CD0000-memory.dmp

      Filesize

      7.7MB

    • memory/2096-16-0x0000000005270000-0x0000000005280000-memory.dmp

      Filesize

      64KB

    • memory/2096-15-0x0000000074520000-0x0000000074CD0000-memory.dmp

      Filesize

      7.7MB

    • memory/4124-4-0x00000000055E0000-0x00000000055F0000-memory.dmp

      Filesize

      64KB

    • memory/4124-6-0x0000000005880000-0x000000000588A000-memory.dmp

      Filesize

      40KB

    • memory/4124-7-0x0000000074520000-0x0000000074CD0000-memory.dmp

      Filesize

      7.7MB

    • memory/4124-8-0x00000000055E0000-0x00000000055F0000-memory.dmp

      Filesize

      64KB

    • memory/4124-9-0x0000000006430000-0x00000000064CC000-memory.dmp

      Filesize

      624KB

    • memory/4124-10-0x00000000063E0000-0x000000000642A000-memory.dmp

      Filesize

      296KB

    • memory/4124-5-0x00000000057E0000-0x00000000057EA000-memory.dmp

      Filesize

      40KB

    • memory/4124-0-0x0000000000D70000-0x0000000000DC0000-memory.dmp

      Filesize

      320KB

    • memory/4124-14-0x0000000074520000-0x0000000074CD0000-memory.dmp

      Filesize

      7.7MB

    • memory/4124-3-0x0000000005630000-0x00000000056C2000-memory.dmp

      Filesize

      584KB

    • memory/4124-2-0x0000000005BE0000-0x0000000006184000-memory.dmp

      Filesize

      5.6MB

    • memory/4124-1-0x0000000074520000-0x0000000074CD0000-memory.dmp

      Filesize

      7.7MB