Overview

overview

10

Static

static

3

JaffaCakes...1d.exe

windows7-x64

10

JaffaCakes...1d.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10/03/2025, 13:49

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General

  • Target

    JaffaCakes118_5f7c0866651fbe19b04cfc2670c83d1d.exe

  • Size

    184KB

  • MD5

    5f7c0866651fbe19b04cfc2670c83d1d

  • SHA1

    b8f5e39ffbc2fa6eb28a76b15a9f6cfd6b3190dc

  • SHA256

    d119192879c2a562bee13ae8e8c181b35467d158f05aba046faa59df9b39940c

  • SHA512

    acf30927f611831e33b50e2fe3c221589b245c19fbeb9b2a4f871a98c14444c1269e59db2b8da0f1528090c4b8e227843909f5f90b864b1b5a91c934d5bf7d15

  • SSDEEP

    3072:3YIS0M2rZfx0ELb0cqmQvc5JAdOZshlFrIxVudVFa2+MCGn1clvaF2J76:3xM2rH0EvQ6JAdBcVudQM5QaAJ+

Score
10/10
gh0stratbootkitdiscoverypersistencerat

Malware Config

Signatures

  • Gh0st RAT payload 1 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

    ratgh0strat
  • Gh0strat family
    gh0strat
  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
    persistence
  • Sets service image path in registry 2 TTPs 1 IoCs
    persistence
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • 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.

    bootkitpersistence
  • Drops file in System32 directory 1 IoCs
  • 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.

    discovery
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5f7c0866651fbe19b04cfc2670c83d1d.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5f7c0866651fbe19b04cfc2670c83d1d.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2248
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs
    1⤵
    • Server Software Component: Terminal Services DLL
    • Sets service image path in registry
    • Deletes itself
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2240

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \??\c:\windows\SysWOW64\ruljn.bmp
    Filesize

    152KB

    MD5

    b9ecb31014238038a0765a454f89d4c6

    SHA1

    e368089461ffe6e045bb866e739794d29ef00889

    SHA256

    25d86a0dbbbcd12d1684be8db3d650ddf2bb2346f8c00a39486ca0285577b004

    SHA512

    d24b2afb6b39e7eb0ea10cc1208f1ffe630be1f51d132f978c9cf6a0ab20d014cf06bba3633daa32b38fa68114902a877fb115f609feb7bb7dc9951182dcb503

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