gh0strat | 68b8661f39b14d584b058fdf04646746f44eb42816528c6bf93d2be803832954

Analysis

max time kernel
150s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-08-2024 13:14

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General

Target

b3987ba3b6bb804c956fa29b7c751d6d_JaffaCakes118.exe
Size

132KB
MD5

b3987ba3b6bb804c956fa29b7c751d6d
SHA1

4f52c7ce839a6c244ea7000416c6d28e0c9ccc40
SHA256

68b8661f39b14d584b058fdf04646746f44eb42816528c6bf93d2be803832954
SHA512

8befe1730bad65e8abd98d0894ef9538272379cd11a4bbd81ccf6a0f9e42115d6ead39beed198c010fba5a2f519ffcb3110b5a093bf0a6e7b3d6472234adbb1e
SSDEEP

3072:Nb0yQ09BnOJhXOQ7bQ0QZ249o+TZDtFrme/AbBK9D:x0yQEBOJheQPjh46eptFKe/6B2

Score

10^/10

gh0strat discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/1676-0-0x0000000000400000-0x0000000000423000-memory.dmp	family_gh0strat
behavioral2/files/0x000e000000023437-4.dat	family_gh0strat
behavioral2/memory/1900-5-0x0000000000400000-0x0000000000423000-memory.dmp	family_gh0strat
behavioral2/memory/1676-7-0x0000000000400000-0x0000000000423000-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

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"	b3987ba3b6bb804c956fa29b7c751d6d_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
5100	svchost.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\FastUserSwitchingCompatibility.exe	b3987ba3b6bb804c956fa29b7c751d6d_JaffaCakes118.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	b3987ba3b6bb804c956fa29b7c751d6d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b3987ba3b6bb804c956fa29b7c751d6d_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

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

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1676 wrote to memory of 1900	1676	b3987ba3b6bb804c956fa29b7c751d6d_JaffaCakes118.exe	84
PID 1676 wrote to memory of 1900	1676	b3987ba3b6bb804c956fa29b7c751d6d_JaffaCakes118.exe	84
PID 1676 wrote to memory of 1900	1676	b3987ba3b6bb804c956fa29b7c751d6d_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\b3987ba3b6bb804c956fa29b7c751d6d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b3987ba3b6bb804c956fa29b7c751d6d_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1676
- C:\Users\Admin\AppData\Local\Temp\b3987ba3b6bb804c956fa29b7c751d6d_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\b3987ba3b6bb804c956fa29b7c751d6d_JaffaCakes118.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:1900

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:5100

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

Replay Monitor

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Downloads

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

Filesize
100KB

MD5
63ba2c721b79b878bcb61a71394978ac

SHA1
dc6230ef9df8d54251e7d72fffdab3516c57d6fd

SHA256
8b002908e4f889e5a0868cf9e5891e8b5c9cb18fd288822093ddef7cb5580acb

SHA512
3e79f992057faf31aed241ceb701e5bba370666619da07767c76cccad5917c6986ff64771d4386b7a97efe735f17f70e62ab706b7cad26ca46be048a64ce808e

Download Submit
memory/1676-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1676-7-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1900-5-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download