Analysis

  • max time kernel
    96s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-06-2024 15:47

General

  • Target

    a6560340a3871a628448daca9e48acec_JaffaCakes118.exe

  • Size

    679KB

  • MD5

    a6560340a3871a628448daca9e48acec

  • SHA1

    4ea983921c27ea40e31fb25da2aa8e7ca0edf7d5

  • SHA256

    06c379dfa566e8879a891d749fa7e9fca84a662522e66a21f2b076ceb7d47dbd

  • SHA512

    07f56fe870daafaa6e0892be2af6c2acfb1b03a5d96d7ec1eeca146a86b1be5d77b34ebf65ae34b9f0ee55a8745e00c2e39bfc054a7a8041e2cda339713ecfab

  • SSDEEP

    12288:wGYIfQ2PfVR6d0uEbhy2ETlwFPmhrp7VDFuTh8QnyeecBaCu6UuORqKYf6wH:jYIfQVREbkFQmD75S8Qyw8/65ORqKYfb

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 5 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\a6560340a3871a628448daca9e48acec_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a6560340a3871a628448daca9e48acec_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:556
    • C:\Users\Admin\AppData\Local\Temp\n1719\s1719.exe
      "C:\Users\Admin\AppData\Local\Temp\n1719\s1719.exe" 16c8bdc64e3e67d3c407b47bA2F2KzyD/8b/PDW6eOCLo+FJw3noIgpDBKVy7WvPSiqQyPaxbJYKQ1n1evKxsYlGylD80mwBgk1R8nwioUReGPV/61a7vrtyI3fkWrRGbd+T/JaUGsqKzhRmgnr2aosm4fTlV/OLF1YjZsMqtfKRXzoc9WbUee4JZR64c3OGvck= /v "C:\Users\Admin\AppData\Local\Temp\a6560340a3871a628448daca9e48acec_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:2884

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\n1719\s1719.exe
    Filesize

    350KB

    MD5

    4316f8dd279ce879833a07ee5083979e

    SHA1

    4977e56fd1ae2cbec43e715ff29890be8a415ddb

    SHA256

    72adc6a10a81e294ee987eb1dcd9fbe206d77c103ee517dfce00493b38162a63

    SHA512

    dd40d9c2ccc7a4c77617a5e0976a442cb4480ca0898c81463812466785b81ac1ccd918f107278259a4a515cdf881d35a7d5359d1678791343319ae9841349646

  • memory/556-0-0x0000000000BC0000-0x0000000000C74000-memory.dmp
    Filesize

    720KB

  • memory/556-28-0x0000000000BC0000-0x0000000000C74000-memory.dmp
    Filesize

    720KB

  • memory/2884-19-0x000000001BF70000-0x000000001C43E000-memory.dmp
    Filesize

    4.8MB

  • memory/2884-15-0x00007FFA85A25000-0x00007FFA85A26000-memory.dmp
    Filesize

    4KB

  • memory/2884-16-0x000000001B450000-0x000000001B460000-memory.dmp
    Filesize

    64KB

  • memory/2884-14-0x00007FFA85770000-0x00007FFA86111000-memory.dmp
    Filesize

    9.6MB

  • memory/2884-20-0x000000001C440000-0x000000001C4DC000-memory.dmp
    Filesize

    624KB

  • memory/2884-21-0x00007FFA85770000-0x00007FFA86111000-memory.dmp
    Filesize

    9.6MB

  • memory/2884-22-0x000000001C5E0000-0x000000001C642000-memory.dmp
    Filesize

    392KB

  • memory/2884-23-0x00007FFA85770000-0x00007FFA86111000-memory.dmp
    Filesize

    9.6MB

  • memory/2884-24-0x00007FFA85770000-0x00007FFA86111000-memory.dmp
    Filesize

    9.6MB

  • memory/2884-25-0x0000000020CE0000-0x00000000211EE000-memory.dmp
    Filesize

    5.1MB

  • memory/2884-27-0x00007FFA85770000-0x00007FFA86111000-memory.dmp
    Filesize

    9.6MB

  • memory/2884-13-0x00007FFA85A25000-0x00007FFA85A26000-memory.dmp
    Filesize

    4KB