Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    15/06/2024, 04:37

General

  • Target
    ace6e57bae77662196232131131e784e_JaffaCakes118.msi
  • Size 384KB
  • Sample240615-e9asbashkr
  • SHA256 c8f969f561e06095543bf7f64281be7d95754c06d4b7ece3447acc5f99a3de6c
  • MD5 SHA1 SHA512 SSDEEP
Score
6/10

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 12 IoCs
  • Modifies data under HKEY_USERS 46 IoCs
  • Modifies registry class 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\ace6e57bae77662196232131131e784e_JaffaCakes118.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1952
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2776
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2440
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000005AC" "00000000000003A8"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2500

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        f763bab.rbs

        • Path C:\Config.Msi\f763bab.rbs
        • Size 7KB
        • SHA256 b2367c72aa00c0e90341bc00a79db54c32d31b8ab28c89c5e01e284cf74c8b09
        • MD5 SHA1 SHA512 SSDEEP

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 a4962f08e0d7e51a67d892535090ba17aeceda286acafc61e92a8eadb5a863f4
        • MD5 SHA1 SHA512

        Cab3BF7.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Cab3BF7.tmp
        • Size 68KB
        • SHA256 1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184
        • MD5 SHA1 SHA512 SSDEEP