gh0strat | 8c13cd02fe74a53a8a857f32e26bcc0c6ebb7c5ae04a31f930fe6726d48dd839

Analysis

max time kernel
92s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
04-07-2024 09:36

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General

Target

2577747ad465ec54f40142fe1f12a4c0_JaffaCakes118.exe
Size

125KB
MD5

2577747ad465ec54f40142fe1f12a4c0
SHA1

396eb9d14f2c989c58ccc0e6203648af85d7eea1
SHA256

8c13cd02fe74a53a8a857f32e26bcc0c6ebb7c5ae04a31f930fe6726d48dd839
SHA512

c1b173c2d237c3a5b86c95f19244b0178002e32ea740f89b4bdea210a5d942c91a34e000ff314cc7a49a6e9adccdb634c872d948364962bebe05a5ff968d92ae
SSDEEP

3072:R4mIXBt4yv0xLDHfGIILm4sTK7yyyCxkHcI1:R4PBVcLNIGTKACxrM

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/3444-1-0x0000000000400000-0x000000000041C000-memory.dmp	family_gh0strat
behavioral2/memory/3444-4-0x0000000000400000-0x000000000041C000-memory.dmp	family_gh0strat
behavioral2/files/0x000700000002328e-12.dat	family_gh0strat
behavioral2/memory/3444-14-0x0000000000400000-0x000000000041C000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Drivers\beep.sys	2577747ad465ec54f40142fe1f12a4c0_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\Drivers\beep.sys	svchost.exe

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\FastUserSwitchingCompatibilityex.dll"	2577747ad465ec54f40142fe1f12a4c0_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
4820	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
3444	2577747ad465ec54f40142fe1f12a4c0_JaffaCakes118.exe
4820	svchost.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\FastUserSwitchingCompatibilityex.dll	2577747ad465ec54f40142fe1f12a4c0_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3920 set thread context of 3444	3920	2577747ad465ec54f40142fe1f12a4c0_JaffaCakes118.exe	81

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
660	Process not Found
660	Process not Found

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3920 wrote to memory of 3444	3920	2577747ad465ec54f40142fe1f12a4c0_JaffaCakes118.exe	81
PID 3920 wrote to memory of 3444	3920	2577747ad465ec54f40142fe1f12a4c0_JaffaCakes118.exe	81
PID 3920 wrote to memory of 3444	3920	2577747ad465ec54f40142fe1f12a4c0_JaffaCakes118.exe	81
PID 3920 wrote to memory of 3444	3920	2577747ad465ec54f40142fe1f12a4c0_JaffaCakes118.exe	81
PID 3920 wrote to memory of 3444	3920	2577747ad465ec54f40142fe1f12a4c0_JaffaCakes118.exe	81

C:\Users\Admin\AppData\Local\Temp\2577747ad465ec54f40142fe1f12a4c0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2577747ad465ec54f40142fe1f12a4c0_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3920
- C:\Users\Admin\AppData\Local\Temp\2577747ad465ec54f40142fe1f12a4c0_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\2577747ad465ec54f40142fe1f12a4c0_JaffaCakes118.exe
  2⤵
  - Drops file in Drivers directory
  - Server Software Component: Terminal Services DLL
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:3444

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs -s FastUserSwitchingCompatibility
1⤵
- Drops file in Drivers directory
- Deletes itself
- Loads dropped DLL
PID:4820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\dll.tmp

Filesize
95KB

MD5
cc20396466ef1a30eed301d07820f388

SHA1
c0d5385d454b40129e645de4ef38edac4812c680

SHA256
c515a56f0cbadd89dd650120826e457c6f2ea62a6f8808901c8e35432d7e15ad

SHA512
d95a286bb31fb023a7c568e281f40423b31187b5aff8c77db6d21f909957a56cf43c5c10d985f0ab9f30e9ed9cea606eb691b0e819b23d4ebe6a6dd9eef80931

Download Submit
C:\Windows\SysWOW64\install.tmp

Filesize
84B

MD5
3fd7b68336525b18d9118d66f1a77de2

SHA1
91833351aa3ccc436c791b8a46ff8171f6d321d7

SHA256
f83b3ff9c3643eed913e7b97f24679318fcf95643bbea6d81cf2fd814a42a2ec

SHA512
b18b65c41cbc6a77787f577e17c17dd45de7abbf8cd5b61b7a742d69342277763b6e402662968081b2d5f453d6e87ae099f89a69fcedb760930ffec8f3797d38

Download Submit
memory/3444-1-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3444-4-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3444-6-0x0000000013140000-0x0000000013166200-memory.dmp

Filesize
152KB

Download
memory/3444-14-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3920-0-0x0000000013140000-0x0000000013166200-memory.dmp

Filesize
152KB

Download
memory/3920-8-0x0000000013140000-0x0000000013166200-memory.dmp

Filesize
152KB

Download
memory/3920-5-0x00000000004E0000-0x00000000004E1000-memory.dmp

Filesize
4KB

Download
memory/3920-3-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download