Analysis

  • max time kernel
    93s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/04/2024, 00:19

General

  • Target

    03f669513b56351a79abe8daa45ade86_JaffaCakes118.exe

  • Size

    623KB

  • MD5

    03f669513b56351a79abe8daa45ade86

  • SHA1

    74ed9dfc5aa07d8b22452e455db15f4f1bfe3622

  • SHA256

    97c1579679535e7a709475d4dc3b6e5154b5ea3e18f8a5b3379fc62930387290

  • SHA512

    a3421ca5c8d5dd44ddb91375d199d5e7b7c9241e4269d7e90e5f9b19bf6b95cdcdb18db623609b07c81a4231b41a965bea7b05acd8ecd3303bbe0c59466581b1

  • SSDEEP

    12288:3nYQxCxRUC/BfScmGRvlwO3hoATj0wxOoWKxmxrjY+2:XCxRhScxX3hlTjvBxmxjY+2

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\03f669513b56351a79abe8daa45ade86_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\03f669513b56351a79abe8daa45ade86_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:440
    • C:\Users\Admin\AppData\Local\Temp\n1181\s1181.exe
      "C:\Users\Admin\AppData\Local\Temp\n1181\s1181.exe" 0d56c9394ee00039628665f0OSGuLWD1LE4i3EZHqvMaSDY6HnQgZ62L+3kPfDGWR3T1qJbUWY9DA7LW8q+gELYobWEUsVdHqCvqfPFOZGRkq5mb+JCQbe40O1PiSZ3tgBdXMFVmI/OsjmpVz7S2Uw8mPPCdEIW5ds/Z+Q7hv13zehBFrgtcLVW/2Rm9GwadxA== /v "C:\Users\Admin\AppData\Local\Temp\03f669513b56351a79abe8daa45ade86_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4744

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n1181\s1181.exe

    Filesize

    350KB

    MD5

    6846ddbdd21776eff7d444531456b731

    SHA1

    7a4dc3057caf1127b1d96641c77513d08c7e59ce

    SHA256

    4620731e1e1e335a200b6d4486b9c38b6c6de2560a6728cbcb370d2f91cfa5a8

    SHA512

    c206026986552c29cd30d04d1aad03a9b9d9e2cc1951aba247ec3c0f12b730e8cb734a5f709e501b8347374343a6cd0908de50a8978a91c67dae54316395c4df

  • memory/4744-12-0x00007FFFD58A0000-0x00007FFFD6241000-memory.dmp

    Filesize

    9.6MB

  • memory/4744-13-0x0000000001230000-0x0000000001240000-memory.dmp

    Filesize

    64KB

  • memory/4744-24-0x000000001C310000-0x000000001C320000-memory.dmp

    Filesize

    64KB

  • memory/4744-27-0x000000001C970000-0x000000001CE3E000-memory.dmp

    Filesize

    4.8MB

  • memory/4744-28-0x000000001CEE0000-0x000000001CF7C000-memory.dmp

    Filesize

    624KB

  • memory/4744-29-0x0000000001230000-0x0000000001240000-memory.dmp

    Filesize

    64KB

  • memory/4744-30-0x000000001D0A0000-0x000000001D102000-memory.dmp

    Filesize

    392KB

  • memory/4744-31-0x00007FFFD58A0000-0x00007FFFD6241000-memory.dmp

    Filesize

    9.6MB

  • memory/4744-32-0x0000000001230000-0x0000000001240000-memory.dmp

    Filesize

    64KB

  • memory/4744-33-0x00000000215A0000-0x0000000021AAE000-memory.dmp

    Filesize

    5.1MB

  • memory/4744-35-0x00007FFFD58A0000-0x00007FFFD6241000-memory.dmp

    Filesize

    9.6MB