gh0strat | 7a2178738feab1922a22036f4323d16a1d55f108275823c0fb31b28bc223cf7b

Analysis

max time kernel
150s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
02/03/2025, 01:46

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General

Target

JaffaCakes118_3d0ee6a117684959ffc5e4975c3c7b51.exe
Size

135KB
MD5

3d0ee6a117684959ffc5e4975c3c7b51
SHA1

55ae6e0255de7d79b5186dbe924b4011c7a81cb5
SHA256

7a2178738feab1922a22036f4323d16a1d55f108275823c0fb31b28bc223cf7b
SHA512

523e8f3ee2988b720c9537f28aca7421066848daaee4dc786f4771b5d5559bd6ed3bf5635631adbcdaf4e71c30f9b50c418d31a5cd4c7d2f358e26a60ee6d35d
SSDEEP

3072:SJoryQnTpCXmbdy3X1+IJtdFqFicvtvnkkTfQtBKwB:SJoyQn1C2bM3FLtHVcvtvkkTQBf

Score

10^/10

gh0strat discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/4704-0-0x0000000000400000-0x0000000000423000-memory.dmp	family_gh0strat
behavioral2/files/0x0002000000022a17-4.dat	family_gh0strat
behavioral2/memory/2600-5-0x0000000000400000-0x0000000000423000-memory.dmp	family_gh0strat
behavioral2/memory/4704-7-0x0000000000400000-0x0000000000423000-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
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_3d0ee6a117684959ffc5e4975c3c7b51.exe

Loads dropped DLL 1 IoCs

pid	Process
4808	svchost.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\FastUserSwitchingCompatibility.exe	JaffaCakes118_3d0ee6a117684959ffc5e4975c3c7b51.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_3d0ee6a117684959ffc5e4975c3c7b51.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3d0ee6a117684959ffc5e4975c3c7b51.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 4704 wrote to memory of 2600	4704	JaffaCakes118_3d0ee6a117684959ffc5e4975c3c7b51.exe	88
PID 4704 wrote to memory of 2600	4704	JaffaCakes118_3d0ee6a117684959ffc5e4975c3c7b51.exe	88
PID 4704 wrote to memory of 2600	4704	JaffaCakes118_3d0ee6a117684959ffc5e4975c3c7b51.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d0ee6a117684959ffc5e4975c3c7b51.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d0ee6a117684959ffc5e4975c3c7b51.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4704
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d0ee6a117684959ffc5e4975c3c7b51.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d0ee6a117684959ffc5e4975c3c7b51.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2600

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:4808

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
98KB

MD5
9b744c94d137ec9207b393750e811faa

SHA1
00f819243722e49efd89c0feb7c7990565599f0b

SHA256
45fba69793ebf8071dfd49dcbd253591b83a2dbcb8b625d673a345bd99d8e9a7

SHA512
f8d8c2e3de8f478652d8f5f38568432ef70d01fa9b50db322ee78f05222c788595528f77abe24c0924248b75f6a284d86400f2d9b04fc6b9e9fab473f3fc06e3

Download Submit
memory/2600-5-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4704-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4704-7-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download