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 15:59

General

  • Target

    a660c46ffb2ff8c8a624d9a9ebffb4c6_JaffaCakes118.exe

  • Size

    675KB

  • MD5

    a660c46ffb2ff8c8a624d9a9ebffb4c6

  • SHA1

    a87846dee494fc002004be64300d71bad918943a

  • SHA256

    15b577d5199e4a88ec23f15c26f43fd0ec018376e614f3cbc0f83c80dea83ea9

  • SHA512

    1441039c1122c5e7604463febb0e42ccaf269021d71d8c5d8e715e6e889bb40c00f7deca2936eb67de56139db4ed83c2b36aba1200323609b91d8470e9097f68

  • SSDEEP

    12288:zgS/52f+ZMu6lWPt+7LF7mrCXH3H8aNk2xgNun0L6W:US/5u7urFL0XH8aNk6IL6W

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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a660c46ffb2ff8c8a624d9a9ebffb4c6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a660c46ffb2ff8c8a624d9a9ebffb4c6_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:2508
    • C:\Users\Admin\AppData\Local\Temp\n1260\s1260.exe
      "C:\Users\Admin\AppData\Local\Temp\n1260\s1260.exe" a86fbb083eaaa706bcedcd00OI7+F4zv2Yjg/s0AmO5XzWPcE3js3E1SHEWEQp32fZ3Au9fwsPNFpjI+wG/G6nkA9a0JmKlXpR5wdTTyJdDW5hEDR5OCEkr5DcdR4apzAVKQpn3LxJrOaZrkhwJYpkYBvuO9bPMdI5H0dKaK70kNsvXL6UdPgRwBdPrupd9g /v "C:\Users\Admin\AppData\Local\Temp\a660c46ffb2ff8c8a624d9a9ebffb4c6_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
      • Suspicious use of SetWindowsHookEx
      PID:2096

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\n1260\s1260.exe
    Filesize

    350KB

    MD5

    d438749bcfe5bcdf1d59cbbb82341315

    SHA1

    2f4176c631e0190f35eb2963a4f8ad692fdcd6b7

    SHA256

    0aa566ada2feeb1714acd636da309edc6c3a9b0b8873d97942b55e053e55dd42

    SHA512

    f6ea2cf132c6564d685a6386705f2ff9b3912697f70d3e97e1754084c6c589141f3f72d6d82eeb6cc677a331325ab486389b1e3a202b7b21149499e8c020c67e

  • memory/2096-12-0x00007FF8EF1F5000-0x00007FF8EF1F6000-memory.dmp
    Filesize

    4KB

  • memory/2096-13-0x00007FF8EEF40000-0x00007FF8EF8E1000-memory.dmp
    Filesize

    9.6MB

  • memory/2096-14-0x00007FF8EF1F5000-0x00007FF8EF1F6000-memory.dmp
    Filesize

    4KB

  • memory/2096-15-0x000000001BF90000-0x000000001BFA0000-memory.dmp
    Filesize

    64KB

  • memory/2096-18-0x000000001CF70000-0x000000001D43E000-memory.dmp
    Filesize

    4.8MB

  • memory/2096-19-0x000000001D440000-0x000000001D4DC000-memory.dmp
    Filesize

    624KB

  • memory/2096-20-0x00007FF8EEF40000-0x00007FF8EF8E1000-memory.dmp
    Filesize

    9.6MB

  • memory/2096-21-0x000000001D5D0000-0x000000001D632000-memory.dmp
    Filesize

    392KB

  • memory/2096-22-0x00007FF8EEF40000-0x00007FF8EF8E1000-memory.dmp
    Filesize

    9.6MB

  • memory/2096-23-0x00007FF8EEF40000-0x00007FF8EF8E1000-memory.dmp
    Filesize

    9.6MB

  • memory/2096-24-0x000000001C460000-0x000000001C468000-memory.dmp
    Filesize

    32KB

  • memory/2096-25-0x00007FF8EEF40000-0x00007FF8EF8E1000-memory.dmp
    Filesize

    9.6MB

  • memory/2096-26-0x00007FF8EEF40000-0x00007FF8EF8E1000-memory.dmp
    Filesize

    9.6MB

  • memory/2096-27-0x00007FF8EEF40000-0x00007FF8EF8E1000-memory.dmp
    Filesize

    9.6MB

  • memory/2096-28-0x00007FF8EEF40000-0x00007FF8EF8E1000-memory.dmp
    Filesize

    9.6MB

  • memory/2096-29-0x00007FF8EEF40000-0x00007FF8EF8E1000-memory.dmp
    Filesize

    9.6MB

  • memory/2096-30-0x0000000021340000-0x000000002184E000-memory.dmp
    Filesize

    5.1MB

  • memory/2096-32-0x00007FF8EEF40000-0x00007FF8EF8E1000-memory.dmp
    Filesize

    9.6MB