gh0strat | a84b257dbc7372386b6201aa17c8cc0e0e848a52509f95a169da7e961edfc263

Analysis

max time kernel
150s
max time network
136s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01/03/2025, 14:30

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General

Target

JaffaCakes118_3994d0ecada2b6315bd2ce9d1398f546.exe
Size

128KB
MD5

3994d0ecada2b6315bd2ce9d1398f546
SHA1

c2a6b5973830219f6543f5dd37c20bfe2373cf56
SHA256

a84b257dbc7372386b6201aa17c8cc0e0e848a52509f95a169da7e961edfc263
SHA512

1ab10d7eca8b8b073aee72313b83df7bd683e6ebbcb255fcd79e96f51509612d3e7d17e706fd820880881590683e0eebfcdd8b09371bd4fe44fc178269f02b8d
SSDEEP

3072:R7e4vjk2YuEv+K+z6nPp8D+RDjxee7PK3gph0dofggCxfR:R7e4vjkTuEv+VecmMeT0w0dQtCr

Score

10^/10

gh0strat discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2160-0-0x0000000000400000-0x0000000000422000-memory.dmp	family_gh0strat
behavioral1/memory/2160-3-0x0000000000400000-0x0000000000422000-memory.dmp	family_gh0strat
behavioral1/memory/2912-5-0x0000000010000000-0x0000000010020000-memory.dmp	family_gh0strat
behavioral1/files/0x000b000000012282-4.dat	family_gh0strat
behavioral1/memory/2912-6-0x0000000010000000-0x0000000010020000-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\WindowsVideoLy\Parameters\ServiceDll = "C:\\Windows\\system32\\userdata.dll"	JaffaCakes118_3994d0ecada2b6315bd2ce9d1398f546.exe

Deletes itself 1 IoCs

pid	Process
2912	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
2912	svchost.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\userdata.dll	JaffaCakes118_3994d0ecada2b6315bd2ce9d1398f546.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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_3994d0ecada2b6315bd2ce9d1398f546.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3994d0ecada2b6315bd2ce9d1398f546.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3994d0ecada2b6315bd2ce9d1398f546.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:2160

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Deletes itself
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2912

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

\Windows\SysWOW64\userdata.dll

Filesize
114KB

MD5
1e3e85b2630f270be92e189072810607

SHA1
1a8e52051bd2cbbd9a4a1e518ffc1431d4d7c683

SHA256
4f8abf5d50d14d1aa62616c93b0268a3a66af63abff982c2f704b77a6eefd721

SHA512
757ba5ffcd3e11d07611133f2f2d676a1202dc8ca2ff3ce6c55666679d7452ab34ece61625d3948ccfdcf0284252fa51cb394e375fb965a9a8d2cdc87e0b19ca

Download Submit
memory/2160-0-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2160-3-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2912-5-0x0000000010000000-0x0000000010020000-memory.dmp

Filesize
128KB

Download
memory/2912-6-0x0000000010000000-0x0000000010020000-memory.dmp

Filesize
128KB

Download