Analysis

  • max time kernel
    96s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-09-2024 02:36

General

  • Target

    ecad32280bbd5601b22a12b8ebb7124f_JaffaCakes118.exe

  • Size

    688KB

  • MD5

    ecad32280bbd5601b22a12b8ebb7124f

  • SHA1

    beeb525154606abbf5773ad9489ab4fd35089bcf

  • SHA256

    a855cffb375c1169d6b6a6f1690f19037eabce6a4b546864ab6c2a686edf01a5

  • SHA512

    9d5423a9fefc562fdf9b137a1810be1115751b5b38495af8e38154229ea1278321ca4951e72cd9bd1625e6ea55f2a928a635d9c8c83a08c3cc3a3dea1406d16c

  • SSDEEP

    12288:Wp+TkKh7nw5NVhSGnjZgpsWjrqjj0IM1F4BCkyGsOZl8v0u+c3wE2ZJ2EISp3uK:K+AMrSnSpFjWjhhIky7OTJuXwEiJ5xp3

Malware Config

Signatures

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • MassLogger Main payload 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 42 IoCs
  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ecad32280bbd5601b22a12b8ebb7124f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ecad32280bbd5601b22a12b8ebb7124f_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4960
    • C:\Users\Admin\AppData\Local\Temp\ecad32280bbd5601b22a12b8ebb7124f_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\ecad32280bbd5601b22a12b8ebb7124f_JaffaCakes118.exe"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:1928
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\ecad32280bbd5601b22a12b8ebb7124f_JaffaCakes118.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_n21ue2u0.yrh.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1928-13-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1928-71-0x0000000075110000-0x00000000758C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1928-43-0x0000000075110000-0x00000000758C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1928-39-0x0000000075110000-0x00000000758C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1928-21-0x0000000006B50000-0x0000000006BA0000-memory.dmp

    Filesize

    320KB

  • memory/1928-20-0x0000000075110000-0x00000000758C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1928-19-0x0000000075110000-0x00000000758C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1928-18-0x00000000050C0000-0x0000000005126000-memory.dmp

    Filesize

    408KB

  • memory/1928-15-0x0000000075110000-0x00000000758C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1928-16-0x0000000075110000-0x00000000758C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4704-26-0x0000000004D80000-0x0000000004DA2000-memory.dmp

    Filesize

    136KB

  • memory/4704-41-0x0000000005E60000-0x0000000005EAC000-memory.dmp

    Filesize

    304KB

  • memory/4704-70-0x0000000075110000-0x00000000758C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4704-67-0x00000000073E0000-0x00000000073E8000-memory.dmp

    Filesize

    32KB

  • memory/4704-66-0x0000000007400000-0x000000000741A000-memory.dmp

    Filesize

    104KB

  • memory/4704-65-0x0000000007300000-0x0000000007314000-memory.dmp

    Filesize

    80KB

  • memory/4704-64-0x00000000072F0000-0x00000000072FE000-memory.dmp

    Filesize

    56KB

  • memory/4704-63-0x00000000072C0000-0x00000000072D1000-memory.dmp

    Filesize

    68KB

  • memory/4704-62-0x0000000007340000-0x00000000073D6000-memory.dmp

    Filesize

    600KB

  • memory/4704-61-0x0000000007130000-0x000000000713A000-memory.dmp

    Filesize

    40KB

  • memory/4704-23-0x0000000004F20000-0x0000000005548000-memory.dmp

    Filesize

    6.2MB

  • memory/4704-22-0x0000000002440000-0x0000000002476000-memory.dmp

    Filesize

    216KB

  • memory/4704-24-0x0000000075110000-0x00000000758C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4704-25-0x0000000075110000-0x00000000758C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4704-60-0x00000000070C0000-0x00000000070DA000-memory.dmp

    Filesize

    104KB

  • memory/4704-59-0x0000000007700000-0x0000000007D7A000-memory.dmp

    Filesize

    6.5MB

  • memory/4704-27-0x0000000004EA0000-0x0000000004F06000-memory.dmp

    Filesize

    408KB

  • memory/4704-37-0x0000000075110000-0x00000000758C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4704-38-0x0000000005770000-0x0000000005AC4000-memory.dmp

    Filesize

    3.3MB

  • memory/4704-58-0x0000000075110000-0x00000000758C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4704-40-0x0000000005E00000-0x0000000005E1E000-memory.dmp

    Filesize

    120KB

  • memory/4704-57-0x0000000075110000-0x00000000758C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4704-44-0x00000000718D0000-0x000000007191C000-memory.dmp

    Filesize

    304KB

  • memory/4704-56-0x0000000006F90000-0x0000000007033000-memory.dmp

    Filesize

    652KB

  • memory/4704-55-0x0000000075110000-0x00000000758C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4704-54-0x0000000006F60000-0x0000000006F7E000-memory.dmp

    Filesize

    120KB

  • memory/4704-42-0x0000000006360000-0x0000000006392000-memory.dmp

    Filesize

    200KB

  • memory/4960-6-0x0000000075110000-0x00000000758C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4960-2-0x0000000005350000-0x00000000053EC000-memory.dmp

    Filesize

    624KB

  • memory/4960-3-0x0000000005A40000-0x0000000005FE4000-memory.dmp

    Filesize

    5.6MB

  • memory/4960-4-0x0000000005530000-0x00000000055C2000-memory.dmp

    Filesize

    584KB

  • memory/4960-0-0x000000007511E000-0x000000007511F000-memory.dmp

    Filesize

    4KB

  • memory/4960-5-0x0000000005410000-0x000000000541A000-memory.dmp

    Filesize

    40KB

  • memory/4960-12-0x0000000006440000-0x00000000064CA000-memory.dmp

    Filesize

    552KB

  • memory/4960-7-0x0000000005490000-0x00000000054E6000-memory.dmp

    Filesize

    344KB

  • memory/4960-9-0x000000007511E000-0x000000007511F000-memory.dmp

    Filesize

    4KB

  • memory/4960-17-0x0000000075110000-0x00000000758C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4960-8-0x0000000005430000-0x0000000005438000-memory.dmp

    Filesize

    32KB

  • memory/4960-10-0x0000000075110000-0x00000000758C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4960-11-0x00000000061F0000-0x000000000629A000-memory.dmp

    Filesize

    680KB

  • memory/4960-1-0x0000000000920000-0x00000000009D2000-memory.dmp

    Filesize

    712KB