gh0strat | 3daf20a5d3ac141bfcea988056351c02b793362822f4d8158bfbc5099cfbfcfb

Analysis

max time kernel
150s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2025, 06:16

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General

Target

JaffaCakes118_5544830837abeb24e08b147c2827ebbf.exe
Size

131KB
MD5

5544830837abeb24e08b147c2827ebbf
SHA1

e3c6bf20dd809cc21612ca0a6c474b3ca87212b0
SHA256

3daf20a5d3ac141bfcea988056351c02b793362822f4d8158bfbc5099cfbfcfb
SHA512

78f277098180771699568ab5703beeaf0b97ffb8b155bd9f171273981eeb02703f94ad855b56da52a3fbc2f8a4ff11dec49ed740baa4ec66275902c64d82424e
SSDEEP

3072:o2+yQS9bU2jv6cDy2rUrzVaoL45Z90Em3/mt7pwZtDCujBK4i:obyQKg2jDyImVdgZOrvmt72ZtZBo

Score

10^/10

gh0strat discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/1520-0-0x0000000000400000-0x0000000000422000-memory.dmp	family_gh0strat
behavioral2/memory/4644-1-0x0000000000400000-0x0000000000422000-memory.dmp	family_gh0strat
behavioral2/files/0x000d000000023b2c-5.dat	family_gh0strat
behavioral2/memory/4644-7-0x0000000000400000-0x0000000000422000-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
Gh0strat family
gh0strat

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\\FastUserSwitchingCompatibility.exe"	JaffaCakes118_5544830837abeb24e08b147c2827ebbf.exe

Loads dropped DLL 1 IoCs

pid	Process
224	svchost.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\FastUserSwitchingCompatibility.exe	JaffaCakes118_5544830837abeb24e08b147c2827ebbf.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	JaffaCakes118_5544830837abeb24e08b147c2827ebbf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5544830837abeb24e08b147c2827ebbf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 4644	1520	JaffaCakes118_5544830837abeb24e08b147c2827ebbf.exe	89
PID 1520 wrote to memory of 4644	1520	JaffaCakes118_5544830837abeb24e08b147c2827ebbf.exe	89
PID 1520 wrote to memory of 4644	1520	JaffaCakes118_5544830837abeb24e08b147c2827ebbf.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5544830837abeb24e08b147c2827ebbf.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5544830837abeb24e08b147c2827ebbf.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1520
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5544830837abeb24e08b147c2827ebbf.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5544830837abeb24e08b147c2827ebbf.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:4644

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs -s FastUserSwitchingCompatibility
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:224

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\??\c:\windows\SysWOW64\fastuserswitchingcompatibility.exe

Filesize
99KB

MD5
6ba11030d7b14290420771092eb21382

SHA1
18043cfdac5dd57089348b6f1796da1edacffb27

SHA256
053bb9c48630230bec64408a8af6b6652c36999dba978fecd36bdca636bb05b4

SHA512
5e8377df09cad3be7d30fee37230ab66c0279fe2537026b0bc216073bb4d54b6884d7df82db94096931a0ee2a29e86bac10dfcf26282405dd5f0f5e6b232407d

Download Submit
memory/1520-0-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4644-1-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4644-7-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download