gh0strat | 326bac0597b0890823d3102b8a5b135d777a397a4d1f901bae4267bcc5e79865

Analysis

max time kernel
150s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2025, 05:00

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General

Target

JaffaCakes118_31bfe9d3123aeb40de9d1b578027177b.exe
Size

127KB
MD5

31bfe9d3123aeb40de9d1b578027177b
SHA1

fd3d4d78d6db6a737e63a72a19213f0ccd138d31
SHA256

326bac0597b0890823d3102b8a5b135d777a397a4d1f901bae4267bcc5e79865
SHA512

30573dc8135e9c9c8d55594e8f9a99b8b6339959596d3e46f4ba54407653d11826946cde7d475c907e133b53cbaad62de6d5b2cc7e90fd87cb88498b9a3974db
SSDEEP

3072:yVreyQV9kNfu0l+B5eYm/CrD2GiEU/stCIMZhjLBK4k:yleyQb+20AB5K6uGHsstC/ZhnBK

Score

10^/10

gh0strat discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/2232-0-0x0000000000400000-0x0000000000421000-memory.dmp	family_gh0strat
behavioral2/files/0x000d000000023bb3-4.dat	family_gh0strat
behavioral2/memory/1920-5-0x0000000000400000-0x0000000000421000-memory.dmp	family_gh0strat
behavioral2/memory/2232-7-0x0000000000400000-0x0000000000421000-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_31bfe9d3123aeb40de9d1b578027177b.exe

Loads dropped DLL 1 IoCs

pid	Process
4796	svchost.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\FastUserSwitchingCompatibility.exe	JaffaCakes118_31bfe9d3123aeb40de9d1b578027177b.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_31bfe9d3123aeb40de9d1b578027177b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_31bfe9d3123aeb40de9d1b578027177b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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 2232 wrote to memory of 1920	2232	JaffaCakes118_31bfe9d3123aeb40de9d1b578027177b.exe	86
PID 2232 wrote to memory of 1920	2232	JaffaCakes118_31bfe9d3123aeb40de9d1b578027177b.exe	86
PID 2232 wrote to memory of 1920	2232	JaffaCakes118_31bfe9d3123aeb40de9d1b578027177b.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31bfe9d3123aeb40de9d1b578027177b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31bfe9d3123aeb40de9d1b578027177b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31bfe9d3123aeb40de9d1b578027177b.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31bfe9d3123aeb40de9d1b578027177b.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:1920

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:4796

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
95KB

MD5
b502f7fe9f34c3720916b1e17d50ee9d

SHA1
5af40bfae0cbe88bb633e84d77479174b7ffadf6

SHA256
52f8d6cd6d4fda129f809db4c0f99f80e73804a8c487c3add8d2183c95d8c1ad

SHA512
1af514fbf6d1782e0fc97b24b4593d2b2dafa8c7172c2b5d26f7af8dc69d518e08b9b7b22f18e98a3500f4cfae7811bdbb50c93e98c314467e1562a6e712d8cb

Download Submit
memory/1920-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2232-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2232-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download