Analysis

  • max time kernel
    93s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-07-2024 09:51

General

  • Target

    343a265bfdb9b15f6b99db339112d799_JaffaCakes118.exe

  • Size

    713KB

  • MD5

    343a265bfdb9b15f6b99db339112d799

  • SHA1

    4a9a4a28d2cd8f5da07be8bd6602c753635b5436

  • SHA256

    45b183f3ab8e0ad421664b353e4951aa08d3f2e0ee0667a5b10d4dba5e5bb691

  • SHA512

    c666bc106d903cbabb203dabfd497bcdb79483d5ea3d2288fe767d427ee96c606c578e4628b93bc4f8a8590114f69641ab3109d2a9aefa0e39270c3d1b1882c0

  • SSDEEP

    12288:ZpoAjC84Mab0k/05qD4xgca8ndRg9SRmINmnxjA:fC9MY4xXa8dQSWZA

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://bitrix370.timeweb.ru/
  • Port:
    21
  • Username:
    cn94754
  • Password:
    c2eitfpidhgS

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 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
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\343a265bfdb9b15f6b99db339112d799_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\343a265bfdb9b15f6b99db339112d799_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:660
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uDmbaTfu" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD32A.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2244
    • C:\Users\Admin\AppData\Local\Temp\343a265bfdb9b15f6b99db339112d799_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\343a265bfdb9b15f6b99db339112d799_JaffaCakes118.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1596
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1596 -s 1816
        3⤵
        • Program crash
        PID:3088
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1596 -ip 1596
    1⤵
      PID:380

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\343a265bfdb9b15f6b99db339112d799_JaffaCakes118.exe.log

      Filesize

      1KB

      MD5

      17573558c4e714f606f997e5157afaac

      SHA1

      13e16e9415ceef429aaf124139671ebeca09ed23

      SHA256

      c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

      SHA512

      f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

    • C:\Users\Admin\AppData\Local\Temp\tmpD32A.tmp

      Filesize

      1KB

      MD5

      1bd269e9a33328a9325cdcfe20e83307

      SHA1

      0690069d7498d23638453812c1ca8635c836bc63

      SHA256

      1a3e457399584d872a3c85886ffbc1ecd918d72d5ebe3453dbd343c951b98f94

      SHA512

      da0779a8a693e73090b3db13f971c35762b89c2b8c5fb43d4788dd68fe9f5f643662efe7d8d68f9f03a93c75967ab2932493c7e064335d4a3953ddf92b3951ef

    • memory/660-10-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/660-11-0x0000000006720000-0x00000000067B8000-memory.dmp

      Filesize

      608KB

    • memory/660-4-0x0000000005A20000-0x0000000005AB2000-memory.dmp

      Filesize

      584KB

    • memory/660-5-0x0000000005920000-0x000000000592A000-memory.dmp

      Filesize

      40KB

    • memory/660-6-0x0000000005C50000-0x0000000005CA6000-memory.dmp

      Filesize

      344KB

    • memory/660-7-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/660-8-0x0000000005C20000-0x0000000005C2A000-memory.dmp

      Filesize

      40KB

    • memory/660-9-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

      Filesize

      4KB

    • memory/660-0-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

      Filesize

      4KB

    • memory/660-3-0x0000000005FD0000-0x0000000006574000-memory.dmp

      Filesize

      5.6MB

    • memory/660-2-0x0000000005980000-0x0000000005A1C000-memory.dmp

      Filesize

      624KB

    • memory/660-21-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/660-1-0x0000000000FF0000-0x00000000010A8000-memory.dmp

      Filesize

      736KB

    • memory/1596-17-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/1596-20-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1596-22-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1596-23-0x0000000006A50000-0x0000000006C12000-memory.dmp

      Filesize

      1.8MB

    • memory/1596-24-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB