Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    24-08-2024 21:57

General

  • Target

    bf7fcf17bf095024c652311fc8a41ddc_JaffaCakes118.exe

  • Size

    967KB

  • MD5

    bf7fcf17bf095024c652311fc8a41ddc

  • SHA1

    c6b6a7f77539b56ba26fb14fe578931deb7d47d5

  • SHA256

    b60334d1ae623de52b95660c1869e65a7c1b075ca58f2ad48711beb931190c5e

  • SHA512

    1b0ea6cecd7d83646639a7e38fd451fc65ff6b9c9f1a18a21da3ccff47ef1f120a677415b02bf9715f04d1508d89a4602ce78e86b6e37bf0e82bdd9272023684

  • SSDEEP

    24576:I+pbzwIxk4Vdoqm+cx3db6cL/7S14KeK0lrfPAkIN:ZpbkGtLK+8dWcLuOKeXlrnw

Malware Config

Signatures

  • MassLogger

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

  • MassLogger Main payload 7 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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
  • Loads dropped DLL 4 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 35 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 5 IoCs

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

  • 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 18 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bf7fcf17bf095024c652311fc8a41ddc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bf7fcf17bf095024c652311fc8a41ddc_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1472
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • Drops startup file
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • NTFS ADS
      • Suspicious use of WriteProcessMemory
      PID:1556
      • C:\Users\Admin\AppData\Roaming\appdata\jsfjsfksnm.exe
        "C:\Users\Admin\AppData\Roaming\appdata\jsfjsfksnm.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1636
        • C:\Users\Admin\AppData\Roaming\appdata\jsfjsfksnm.exe
          "C:\Users\Admin\AppData\Roaming\appdata\jsfjsfksnm.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Accesses Microsoft Outlook profiles
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • outlook_office_path
          • outlook_win_path
          PID:2016
        • C:\Users\Admin\AppData\Roaming\appdata\jsfjsfksnm.exe
          "C:\Users\Admin\AppData\Roaming\appdata\jsfjsfksnm.exe" 2 2016 259426074
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:2700

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Roaming\appdata\jsfjsfksnm.exe

    Filesize

    967KB

    MD5

    bf7fcf17bf095024c652311fc8a41ddc

    SHA1

    c6b6a7f77539b56ba26fb14fe578931deb7d47d5

    SHA256

    b60334d1ae623de52b95660c1869e65a7c1b075ca58f2ad48711beb931190c5e

    SHA512

    1b0ea6cecd7d83646639a7e38fd451fc65ff6b9c9f1a18a21da3ccff47ef1f120a677415b02bf9715f04d1508d89a4602ce78e86b6e37bf0e82bdd9272023684

  • memory/1472-0-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/1472-2-0x00000000006A0000-0x00000000006B3000-memory.dmp

    Filesize

    76KB

  • memory/1472-3-0x0000000001E90000-0x0000000001E91000-memory.dmp

    Filesize

    4KB

  • memory/1472-1-0x00000000006A0000-0x00000000006B3000-memory.dmp

    Filesize

    76KB

  • memory/1472-6-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/1556-4-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/1556-7-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/1636-18-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/1636-23-0x0000000002C20000-0x0000000002C21000-memory.dmp

    Filesize

    4KB

  • memory/1636-32-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2016-24-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/2016-28-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/2016-34-0x0000000000580000-0x000000000061A000-memory.dmp

    Filesize

    616KB

  • memory/2016-33-0x0000000000580000-0x000000000061A000-memory.dmp

    Filesize

    616KB

  • memory/2016-31-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/2016-29-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/2016-47-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/2016-46-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/2016-50-0x0000000004A50000-0x0000000004A94000-memory.dmp

    Filesize

    272KB

  • memory/2016-51-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/2016-55-0x0000000005A90000-0x0000000005AA4000-memory.dmp

    Filesize

    80KB

  • memory/2700-35-0x00000000001B0000-0x00000000001B1000-memory.dmp

    Filesize

    4KB

  • memory/2700-53-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB