Analysis

  • max time kernel
    91s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-04-2024 02:25

General

  • Target

    f014241e8c93d4dbafb85339eae88015_JaffaCakes118.exe

  • Size

    582KB

  • MD5

    f014241e8c93d4dbafb85339eae88015

  • SHA1

    9c5599c4f75b03928576778ec87a55d56d3cefde

  • SHA256

    b0cc2b05abaf593a784bb9d83cd0a61bf5b218605f61dba802df21c8ea54c7c6

  • SHA512

    117e90944b92a26a019aca33c2666d6beaa6a92ec237dc487c5a037ac309eb38cb15bfa4f801795d1bbef05b99ec494945a4e86c6e21a11bbff1ebaa7c746fc2

  • SSDEEP

    12288:0JLLLrNfcdb6I8LBqzdhRv8rjGiLnM0w+aa59oeGHcm7mo5oFCEkv:wNf0gtqZcj9/wR7mo5oFCEkv

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

  • 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\f014241e8c93d4dbafb85339eae88015_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f014241e8c93d4dbafb85339eae88015_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1164
    • C:\Users\Admin\AppData\Local\Temp\f014241e8c93d4dbafb85339eae88015_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\f014241e8c93d4dbafb85339eae88015_JaffaCakes118.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1456
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1456 -s 1824
        3⤵
        • Program crash
        PID:5088
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1456 -ip 1456
    1⤵
      PID:1152

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f014241e8c93d4dbafb85339eae88015_JaffaCakes118.exe.log

      Filesize

      1KB

      MD5

      84e77a587d94307c0ac1357eb4d3d46f

      SHA1

      83cc900f9401f43d181207d64c5adba7a85edc1e

      SHA256

      e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

      SHA512

      aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

    • memory/1164-8-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB

    • memory/1164-5-0x00000000059D0000-0x00000000059E0000-memory.dmp

      Filesize

      64KB

    • memory/1164-9-0x00000000059D0000-0x00000000059E0000-memory.dmp

      Filesize

      64KB

    • memory/1164-4-0x0000000005B60000-0x0000000005BFC000-memory.dmp

      Filesize

      624KB

    • memory/1164-10-0x00000000074F0000-0x0000000007562000-memory.dmp

      Filesize

      456KB

    • memory/1164-6-0x0000000005AC0000-0x0000000005ACA000-memory.dmp

      Filesize

      40KB

    • memory/1164-7-0x0000000005440000-0x0000000005452000-memory.dmp

      Filesize

      72KB

    • memory/1164-11-0x0000000005EA0000-0x0000000005ECA000-memory.dmp

      Filesize

      168KB

    • memory/1164-3-0x00000000059F0000-0x0000000005A82000-memory.dmp

      Filesize

      584KB

    • memory/1164-2-0x0000000006070000-0x0000000006614000-memory.dmp

      Filesize

      5.6MB

    • memory/1164-1-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB

    • memory/1164-16-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB

    • memory/1164-0-0x0000000000FC0000-0x0000000001058000-memory.dmp

      Filesize

      608KB

    • memory/1456-15-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB

    • memory/1456-12-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/1456-17-0x0000000005150000-0x0000000005160000-memory.dmp

      Filesize

      64KB

    • memory/1456-18-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB