Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    26-07-2024 12:43

General

  • Target

    741b2b6ea4ebb64e4692687589998bc5_JaffaCakes118.exe

  • Size

    47KB

  • MD5

    741b2b6ea4ebb64e4692687589998bc5

  • SHA1

    43e4cedb5083a86675c1849dd7a20c08c50d1592

  • SHA256

    8334344f196cc7437c992fd5000a56507cae7c2bbdb393a21b697a294260e6e8

  • SHA512

    63282977af20325427f0821ef6c1d6421395f696bf17b3c7091649d08325748bad4c2c11a478de3b64c9f6e1d3b2c8da3373c0aa94ad1122f653e6002b2f3e2e

  • SSDEEP

    768:KZaLZgdH6GJ50lxk+eSj2E28LrufbmLnUPr+PoauzOc72CjyGweSsxhhsZ3YzKY6:KZgY6m0l+Wj2Q7OnaugAyDeSshsZ9las

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • 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.

  • UPX packed file 2 IoCs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\741b2b6ea4ebb64e4692687589998bc5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\741b2b6ea4ebb64e4692687589998bc5_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2388
    • C:\Users\Admin\AppData\Local\Temp\tmp.exe
      C:\Users\Admin\AppData\Local\Temp\tmp.exe
      2⤵
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_win_path
      PID:2188

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

1
T1012

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    Filesize

    41KB

    MD5

    f0fbf4b1cce61626f3763316394cf0c4

    SHA1

    48525345d19ccf25163dd834f5a17356c0167981

    SHA256

    c85d0d915656a5c7b6632678b7023aae7be920f474bbf9ee2cc85335f8d5cf29

    SHA512

    71389a6090ba6b6bf11a15c6031b57c929d8a2ee817b56aaa233bb10ca18068e8df31169adff01ad9ba0c5abce0580f24fcaeffbc7bf9665fd68262d040e2faa

  • memory/2188-13-0x0000000013140000-0x0000000013178000-memory.dmp
    Filesize

    224KB

  • memory/2388-0-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

  • memory/2388-11-0x0000000013140000-0x0000000013178000-memory.dmp
    Filesize

    224KB

  • memory/2388-10-0x0000000013140000-0x0000000013178000-memory.dmp
    Filesize

    224KB

  • memory/2388-14-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB