Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27/01/2025, 15:12

General

  • Target
    JaffaCakes118_40dd9b7d4ce188da48067c7b5bdac383.exe
  • Size 138KB
  • Sample250127-slaz3avner
  • SHA256 61c798ee49350b35ef9126b3ac1725e0179a556acc068e1d3ed0127f4ed87091
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40dd9b7d4ce188da48067c7b5bdac383.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40dd9b7d4ce188da48067c7b5bdac383.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1916
    • C:\Users\Admin\AppData\Local\Temp\nsyAFF0.tmp\dmgr.exe
      C:\Users\Admin\AppData\Local\Temp\nsyAFF0.tmp\dmgr.exe /e60245 /u4dc9054e-38b0-4614-bdd5-20605bc06f26
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      PID:2328

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        CabB28F.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\CabB28F.tmp
        • Size 70KB
        • SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
        • MD5 SHA1 SHA512 SSDEEP

        TarB2C1.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\TarB2C1.tmp
        • Size 181KB
        • SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path \Users\Admin\AppData\Local\Temp\nsyAFF0.tmp\System.dll
        • Size 21KB
        • SHA256 1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493
        • MD5 SHA1 SHA512 SSDEEP

        dmgr.exe

        • Path \Users\Admin\AppData\Local\Temp\nsyAFF0.tmp\dmgr.exe
        • Size 142KB
        • SHA256 9b7cfc07bb0817ddd34ec1526c75c0db96fb524b682eefabd56586be17dca0db
        • MD5 SHA1 SHA512 SSDEEP

        memory/1916-86-0x0000000000400000-0x000000000043D000-memory.dmp

        memory/2328-16-0x0000000073BD0000-0x000000007417B000-memory.dmp

        memory/2328-17-0x0000000073BD0000-0x000000007417B000-memory.dmp

        memory/2328-78-0x0000000073BD0000-0x000000007417B000-memory.dmp

        memory/2328-79-0x0000000073BD0000-0x000000007417B000-memory.dmp

        memory/2328-80-0x0000000073BD0000-0x000000007417B000-memory.dmp

        memory/2328-81-0x0000000073BD0000-0x000000007417B000-memory.dmp

        memory/2328-82-0x0000000073BD0000-0x000000007417B000-memory.dmp

        memory/2328-15-0x0000000073BD1000-0x0000000073BD2000-memory.dmp