Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-08-2024 13:06

General

  • Target

    a2a448cbb79929843341c4431d2ef420_JaffaCakes118.exe

  • Size

    1.3MB

  • MD5

    a2a448cbb79929843341c4431d2ef420

  • SHA1

    6f3d0c052c8d9844e59a9ee0a1efa35a41b77f64

  • SHA256

    465d689c0d1d1df6da7ac921360f6abc8f80f0c161915c684652b7390a4d5ac8

  • SHA512

    34778a4df8323a8627d4d658c5778005c09dc6b4ba1d39aea57f292a1eee2c14870e64d4fe13b449f33db63db27e0acb7be2289857f5a02eaec95998b37858dd

  • SSDEEP

    24576:lyBCjP6+acq1NFaozt2LgeBnBZ5Wv5p6DPTtLIxvvYu:52FVzgLgeBMxpUPTM

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.

  • 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 2 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a2a448cbb79929843341c4431d2ef420_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a2a448cbb79929843341c4431d2ef420_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:388
    • C:\Users\Admin\AppData\Local\Temp\a2a448cbb79929843341c4431d2ef420_JaffaCakes118.exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a2a448cbb79929843341c4431d2ef420_JaffaCakes118.exe.log

    Filesize

    412B

    MD5

    e72888b5960716cf170f3e1becd14370

    SHA1

    0aeefd2d4a7948a03aad625ca86fc34d79adf248

    SHA256

    8317f594f74040b50e1b88f4aba5e6da3423bf47fe91df59e6e85f37b1f7e0ab

    SHA512

    9cdfda6fc4f324dfd8d53b46610114252431a5d26296a6f3d606b8ffeef172263fbde9ce0a1b2b9232dabcdabd33d6677e9a5f7693b175f24cea622c31b5c6b7

  • memory/388-13-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/388-2-0x0000000005710000-0x00000000057AC000-memory.dmp

    Filesize

    624KB

  • memory/388-3-0x0000000001670000-0x0000000001682000-memory.dmp

    Filesize

    72KB

  • memory/388-4-0x0000000005850000-0x00000000058E2000-memory.dmp

    Filesize

    584KB

  • memory/388-5-0x00000000752CE000-0x00000000752CF000-memory.dmp

    Filesize

    4KB

  • memory/388-6-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/388-7-0x0000000005D70000-0x0000000005E44000-memory.dmp

    Filesize

    848KB

  • memory/388-8-0x00000000085C0000-0x0000000008694000-memory.dmp

    Filesize

    848KB

  • memory/388-9-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/388-1-0x0000000000C30000-0x0000000000D78000-memory.dmp

    Filesize

    1.3MB

  • memory/388-0-0x00000000752CE000-0x00000000752CF000-memory.dmp

    Filesize

    4KB

  • memory/1624-23-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/1624-16-0x0000000005940000-0x0000000005EE4000-memory.dmp

    Filesize

    5.6MB

  • memory/1624-15-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/1624-14-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/1624-17-0x00000000061F0000-0x0000000006256000-memory.dmp

    Filesize

    408KB

  • memory/1624-18-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/1624-19-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/1624-20-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/1624-21-0x0000000006B30000-0x0000000006B3A000-memory.dmp

    Filesize

    40KB

  • memory/1624-22-0x0000000006BB0000-0x0000000006C00000-memory.dmp

    Filesize

    320KB

  • memory/1624-25-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/1624-24-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/1624-10-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB