Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 07:40

General

  • Target

    6287bdfb82155fff1ba4becf72958be3_JaffaCakes118.exe

  • Size

    1004KB

  • MD5

    6287bdfb82155fff1ba4becf72958be3

  • SHA1

    4cd40f7aac99fecfbbea309723a20d74bd7b2c9e

  • SHA256

    eeeacd15a922e5b6087678fa760d01d430741727ba41564b3f367723bbd3d8ac

  • SHA512

    0e7559a100313c5ed3d4b75e19dbd199a372f55b470939d4c49f45bb1d357f5290da9a0455c604a1997dcd3b3cd3834ffe31c415cabc06df3e9522ae7f3585c0

  • SSDEEP

    24576:jKlaBa1sMMZvIniOzOh+bkzK/jLNczODbs:OfWL2ntzM+bmK/lZbs

Malware Config

Signatures

  • MassLogger

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

  • MassLogger Main payload 5 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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
  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6287bdfb82155fff1ba4becf72958be3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6287bdfb82155fff1ba4becf72958be3_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1156
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • Drops startup file
      • NTFS ADS
      • Suspicious use of WriteProcessMemory
      PID:4212
      • C:\Users\Admin\AppData\Roaming\appdata\sfhjhdkk.exe
        "C:\Users\Admin\AppData\Roaming\appdata\sfhjhdkk.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:3348
        • C:\Users\Admin\AppData\Roaming\appdata\sfhjhdkk.exe
          "C:\Users\Admin\AppData\Roaming\appdata\sfhjhdkk.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • outlook_office_path
          • outlook_win_path
          PID:3264
        • C:\Users\Admin\AppData\Roaming\appdata\sfhjhdkk.exe
          "C:\Users\Admin\AppData\Roaming\appdata\sfhjhdkk.exe" 2 3264 240596515
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:3568

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\appdata\sfhjhdkk.exe
    Filesize

    1004KB

    MD5

    6287bdfb82155fff1ba4becf72958be3

    SHA1

    4cd40f7aac99fecfbbea309723a20d74bd7b2c9e

    SHA256

    eeeacd15a922e5b6087678fa760d01d430741727ba41564b3f367723bbd3d8ac

    SHA512

    0e7559a100313c5ed3d4b75e19dbd199a372f55b470939d4c49f45bb1d357f5290da9a0455c604a1997dcd3b3cd3834ffe31c415cabc06df3e9522ae7f3585c0

  • memory/1156-2-0x00000000023C0000-0x00000000023D0000-memory.dmp
    Filesize

    64KB

  • memory/1156-1-0x00000000023C0000-0x00000000023D0000-memory.dmp
    Filesize

    64KB

  • memory/1156-3-0x0000000003E70000-0x0000000003E71000-memory.dmp
    Filesize

    4KB

  • memory/1156-4-0x0000000000400000-0x0000000000501000-memory.dmp
    Filesize

    1.0MB

  • memory/1156-0-0x0000000002270000-0x0000000002271000-memory.dmp
    Filesize

    4KB

  • memory/3264-24-0x0000000000A50000-0x0000000000AEA000-memory.dmp
    Filesize

    616KB

  • memory/3264-45-0x0000000006750000-0x000000000675A000-memory.dmp
    Filesize

    40KB

  • memory/3264-15-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

  • memory/3264-18-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

  • memory/3264-25-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

  • memory/3264-59-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

  • memory/3264-48-0x0000000007610000-0x0000000007624000-memory.dmp
    Filesize

    80KB

  • memory/3264-23-0x0000000000A50000-0x0000000000AEA000-memory.dmp
    Filesize

    616KB

  • memory/3264-21-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

  • memory/3264-47-0x00000000075A0000-0x00000000075F0000-memory.dmp
    Filesize

    320KB

  • memory/3264-20-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

  • memory/3264-40-0x0000000004D20000-0x00000000052C4000-memory.dmp
    Filesize

    5.6MB

  • memory/3264-41-0x0000000004B80000-0x0000000004C1C000-memory.dmp
    Filesize

    624KB

  • memory/3264-42-0x0000000004C40000-0x0000000004C84000-memory.dmp
    Filesize

    272KB

  • memory/3264-43-0x00000000052D0000-0x0000000005336000-memory.dmp
    Filesize

    408KB

  • memory/3264-44-0x0000000005460000-0x00000000054F2000-memory.dmp
    Filesize

    584KB

  • memory/3348-12-0x00000000006B0000-0x00000000006B1000-memory.dmp
    Filesize

    4KB

  • memory/3348-19-0x0000000002430000-0x0000000002431000-memory.dmp
    Filesize

    4KB

  • memory/3348-27-0x0000000000400000-0x0000000000501000-memory.dmp
    Filesize

    1.0MB

  • memory/3568-60-0x0000000000400000-0x0000000000501000-memory.dmp
    Filesize

    1.0MB

  • memory/4212-5-0x0000000000610000-0x0000000000611000-memory.dmp
    Filesize

    4KB