Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    15-06-2024 03:44

General

  • Target

    acc75e7e174203795154a68858b9b8ff_JaffaCakes118.exe

  • Size

    4.3MB

  • MD5

    acc75e7e174203795154a68858b9b8ff

  • SHA1

    263f3d3a79f9fe90c7cf162fec93e5b85f5f29c4

  • SHA256

    4dd2cebb71124be2cfc3ad7f79ddb4e113c7629c22e0d4eb8ab8c372c2438610

  • SHA512

    13d2d38ff826054ce052483a2836fa2e7e1e4bc30060544de3203678648318f693d866dd95aaf0ebf20979b20729923c25f75feac2ec7b4fc21aa8e707d1d875

  • SSDEEP

    98304:aqSh5zRZwYeMMIV3PsU6Z8y6TaOphYLYSHinQpUt/YV5DyzFf:ajHYOpCm/s9y

Malware Config

Signatures

  • Enumerates VirtualBox registry keys 2 TTPs 5 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 12 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Checks system information in the registry 2 TTPs 1 IoCs

    System information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 2 IoCs
  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\acc75e7e174203795154a68858b9b8ff_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\acc75e7e174203795154a68858b9b8ff_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies system certificate store
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3040
    • C:\ProgramData\Чистилка\Чистилка.exe
      C:\ProgramData\Чистилка\Чистилка.exe /srvcreate
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2588
    • C:\Users\Admin\AppData\Local\Temp\acc75e7e174203795154a68858b9b8ff_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\acc75e7e174203795154a68858b9b8ff_JaffaCakes118.exe" /test
      2⤵
      • Executes dropped EXE
      PID:1512
    • C:\Users\Admin\AppData\Local\Temp\acc75e7e174203795154a68858b9b8ff_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\acc75e7e174203795154a68858b9b8ff_JaffaCakes118.exe" /restart /util
      2⤵
      • Enumerates VirtualBox registry keys
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Looks for VirtualBox Guest Additions in registry
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks system information in the registry
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      PID:1452

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Defense Evasion

Virtualization/Sandbox Evasion

3
T1497

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

3
T1497

System Information Discovery

4
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Чистилка\config.dat
    Filesize

    476KB

    MD5

    e684495a2de31d95b600353051699d61

    SHA1

    390cb7a9e0adb74fea1116e86b0c8c0d97d3e1aa

    SHA256

    2cf8d2a3b9b5bf6da322d25722a8417a37dc962f73b121520ff87cd2330a4512

    SHA512

    0c1b35de82bc8f5256010406f981be495cb7e1b729bcc8416e6ad7d99b946c24a0c067ee9c95da13c797b9925b28f2886122d9bec281f30be3305304915209c9

  • C:\ProgramData\Чистилка\settings.json
    Filesize

    638B

    MD5

    7b1f4611fde318efe702102a65a7cf37

    SHA1

    3b6b25f7858135a903f06e4236d4d288179c32b8

    SHA256

    0fee7a989e4db82caa219cc5663e97678e1162267a7a170002755390716068f2

    SHA512

    d4e66fe6fb5265452ec3f66e36461c1707808881a6371a9caf6a074f0a17f3af3e89bb66db2ebc16fa9361d569afef6d3cf9287914728a86e7bc8800fad9fbbc

  • C:\Users\Admin\AppData\Local\Temp\cln3804.tmp
    Filesize

    49KB

    MD5

    abee4387ab69da821ed9397cc651597d

    SHA1

    5d14f4afdbe15448bf884b528ffffab874f920a7

    SHA256

    ac1dfd38d2fa61e28211e196cd3d754f6ccfb220e8c1beba52e54825cf615e22

    SHA512

    e014294cb60b66bd259f4a6ce262fc9eca30a30e7674dae178dbac6132ba464120e5d1076ee81c1210a2f42f819d94373733172cef9fda77c9effb4eed53a904

  • C:\Users\Public\Desktop\Чистилка.lnk
    Filesize

    1KB

    MD5

    4ed7378b26bdc6294666d7a9995e3d1e

    SHA1

    3b2eef6bad6701a58502d6f3975b871cba540908

    SHA256

    3c46dc3eacac8941e6126d97697a68db1f80093b4b237f5921b11f7be8b9c5a0

    SHA512

    46498198d79689dae236f0396929a43bbe3aa0252cd624ec42721e526db9d5fdbe48efbc79de7ce67d889fea1d4fd67617143969e2e0fe36d2fb16bfc1c68ab4

  • C:\Windows\Fonts\pns.ttf
    Filesize

    127KB

    MD5

    df8c626474a73ab7a8b511655597c7c4

    SHA1

    5de28f387ea88553d195d1978286d43c33231969

    SHA256

    723091ba5a1b8e65164075516d69c00c71225c6dde61ffc32dd4047803ab42b5

    SHA512

    c8f7d1577cb70610c40b96c835faca6b916c4924b5061351c8a67287567556b2014efb7c73cdcc4fb6533829541cd0264b8a9e428d3c572e29c06b0d96633d59

  • \ProgramData\Чистилка\Чистилка.exe
    Filesize

    4.3MB

    MD5

    acc75e7e174203795154a68858b9b8ff

    SHA1

    263f3d3a79f9fe90c7cf162fec93e5b85f5f29c4

    SHA256

    4dd2cebb71124be2cfc3ad7f79ddb4e113c7629c22e0d4eb8ab8c372c2438610

    SHA512

    13d2d38ff826054ce052483a2836fa2e7e1e4bc30060544de3203678648318f693d866dd95aaf0ebf20979b20729923c25f75feac2ec7b4fc21aa8e707d1d875

  • \Users\Admin\AppData\Local\Temp\acc75e7e174203795154a68858b9b8ff_JaffaCakes118.exe
    Filesize

    5.9MB

    MD5

    d7ebb78bf1f0e4a8278b2d63013b1134

    SHA1

    498b315dcba9bf4403d6748be61453d5d8991b61

    SHA256

    c5a685088c44b1fbd01f49587af753b6a0f8f793de8d3b3d7e170574fef27ba8

    SHA512

    ead20a19b5262ce34f13bae9c9d1082ce5bf740759ea82042d83600094e38de7aea87d7533fdd7660369ec5bb8549e107aff562fa477711515eb9c15c9c93312

  • memory/3040-53-0x0000000000500000-0x0000000000501000-memory.dmp
    Filesize

    4KB

  • memory/3040-57-0x0000000000D90000-0x00000000011EE000-memory.dmp
    Filesize

    4.4MB

  • memory/3040-84-0x0000000000D90000-0x00000000011EE000-memory.dmp
    Filesize

    4.4MB

  • memory/3040-98-0x0000000000D90000-0x00000000011EE000-memory.dmp
    Filesize

    4.4MB