gh0strat | c43bc8ca7aaa7a0f8c4ec035bf1d2c4582214b79929e2bc5112e695c2c7d5bce

Analysis

max time kernel
148s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22-08-2024 19:31

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General

Target

b8dd70f1027b9576680a3b44dfb2fa79_JaffaCakes118.exe
Size

265KB
MD5

b8dd70f1027b9576680a3b44dfb2fa79
SHA1

43da7630ae1ed4c495e74f82b4d0bff6a2aff1f6
SHA256

c43bc8ca7aaa7a0f8c4ec035bf1d2c4582214b79929e2bc5112e695c2c7d5bce
SHA512

62248c288dda9cd1b52804b0eb15e80ce5c6fe9d445b37b2d91fc527f31b7d3092bbe59efe6821b8fd0b79b9afe1c1bb7747b12937daea239e4d474ccacbe68d
SSDEEP

6144:LtfxlRBMOktqfSXCoGC4uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuTuuuuuuuuu3:LtJ9MOpfSSTuuuuuuuuuuuuuuuuuuuuE

Score

10^/10

gh0strat discovery persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/1856-0-0x0000000000400000-0x0000000000444000-memory.dmp	family_gh0strat
behavioral2/memory/1856-11-0x0000000000400000-0x0000000000444000-memory.dmp	family_gh0strat
behavioral2/memory/3516-13-0x0000000000400000-0x0000000000444000-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

Executes dropped EXE 1 IoCs

pid	Process
3516	Sogou.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1856-0-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/1856-11-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/3516-13-0x0000000000400000-0x0000000000444000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\KRIS = "C:\\Windows\\Sogou.exe"	b8dd70f1027b9576680a3b44dfb2fa79_JaffaCakes118.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\svchest.ini	Sogou.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Sogou.exe	b8dd70f1027b9576680a3b44dfb2fa79_JaffaCakes118.exe
File opened for modification	C:\Windows\Sogou.exe	b8dd70f1027b9576680a3b44dfb2fa79_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b8dd70f1027b9576680a3b44dfb2fa79_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Sogou.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 2 IoCs

evasion

pid	Process
2916	taskkill.exe
4080	taskkill.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe
3516	Sogou.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1856	b8dd70f1027b9576680a3b44dfb2fa79_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2916	taskkill.exe
Token: SeDebugPrivilege	4080	taskkill.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 2916	1856	b8dd70f1027b9576680a3b44dfb2fa79_JaffaCakes118.exe	86
PID 1856 wrote to memory of 2916	1856	b8dd70f1027b9576680a3b44dfb2fa79_JaffaCakes118.exe	86
PID 1856 wrote to memory of 2916	1856	b8dd70f1027b9576680a3b44dfb2fa79_JaffaCakes118.exe	86
PID 1856 wrote to memory of 3516	1856	b8dd70f1027b9576680a3b44dfb2fa79_JaffaCakes118.exe	89
PID 1856 wrote to memory of 3516	1856	b8dd70f1027b9576680a3b44dfb2fa79_JaffaCakes118.exe	89
PID 1856 wrote to memory of 3516	1856	b8dd70f1027b9576680a3b44dfb2fa79_JaffaCakes118.exe	89
PID 3516 wrote to memory of 4080	3516	Sogou.exe	93
PID 3516 wrote to memory of 4080	3516	Sogou.exe	93
PID 3516 wrote to memory of 4080	3516	Sogou.exe	93

C:\Users\Admin\AppData\Local\Temp\b8dd70f1027b9576680a3b44dfb2fa79_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b8dd70f1027b9576680a3b44dfb2fa79_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1856
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im Ksafetray.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:2916
- C:\Windows\Sogou.exe
  C:\Windows\Sogou.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3516
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im Ksafetray.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4080

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\svchest.ini

Filesize
79B

MD5
3a3f95ecc1c67944696b06da08c4c37d

SHA1
30c26d86c4a277e45b805bb14334a281a66ca701

SHA256
bf319eef89038229e340088ec77bbe0df06ef3db173c9be52fd3eea14a518a75

SHA512
5ae23c590b5480481e9c309b54eb782f0e27e6c6ef7d1cda3087f5bc9f8209bb66354ef871b193aba11507c3ce15530bf8964f6291a310733133ba7833005d16

Download Submit
memory/1856-0-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1856-11-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3516-13-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download