gh0strat | 7a17cdb1840ce15471222ef6cb5ae6d79c65f1cdb4a7b5c351d582d35e620d1e

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/03/2025, 20:30

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General

Target

JaffaCakes118_4f75c85d995e4a2241584d4d9465654d.exe
Size

387KB
MD5

4f75c85d995e4a2241584d4d9465654d
SHA1

1a1a91d2437394efe39307e0731f2e0e6144dc18
SHA256

7a17cdb1840ce15471222ef6cb5ae6d79c65f1cdb4a7b5c351d582d35e620d1e
SHA512

e3f5af253f0555f519d7a70db113c3ddd1a8d6851bc7394dddc508eeca0eb0ac1686dc48aa48337e4f48cd484357ef51c251be9ed0088def875184adce1fe694
SSDEEP

6144:wGzRxSVtp0l6whGfsKR+zkBpTaa5tJHYt4Z4g:Dt0VPFfsKAkrbPlYG+g

Score

10^/10

gh0strat discovery persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/2864-10-0x0000000000400000-0x00000000004F0000-memory.dmp	family_gh0strat
behavioral1/memory/2864-13-0x0000000000400000-0x00000000004F0000-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

Executes dropped EXE 1 IoCs

pid	Process
2864	(null)0.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_4f75c85d995e4a2241584d4d9465654d.exe"	JaffaCakes118_4f75c85d995e4a2241584d4d9465654d.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2676-0-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral1/files/0x0008000000015f4e-9.dat	upx
behavioral1/memory/2864-11-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral1/memory/2864-10-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral1/memory/2864-13-0x0000000000400000-0x00000000004F0000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Windows\BJ.exe	JaffaCakes118_4f75c85d995e4a2241584d4d9465654d.exe
File created	\??\c:\Windows\BJ.exe	JaffaCakes118_4f75c85d995e4a2241584d4d9465654d.exe
File created	\??\c:\Windows\(null)0.exe	JaffaCakes118_4f75c85d995e4a2241584d4d9465654d.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_4f75c85d995e4a2241584d4d9465654d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	(null)0.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 2864	2676	JaffaCakes118_4f75c85d995e4a2241584d4d9465654d.exe	31
PID 2676 wrote to memory of 2864	2676	JaffaCakes118_4f75c85d995e4a2241584d4d9465654d.exe	31
PID 2676 wrote to memory of 2864	2676	JaffaCakes118_4f75c85d995e4a2241584d4d9465654d.exe	31
PID 2676 wrote to memory of 2864	2676	JaffaCakes118_4f75c85d995e4a2241584d4d9465654d.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4f75c85d995e4a2241584d4d9465654d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4f75c85d995e4a2241584d4d9465654d.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2676
- \??\c:\Windows\(null)0.exe
  c:\Windows\(null)0.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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\(null)0.exe

Filesize
387KB

MD5
4f75c85d995e4a2241584d4d9465654d

SHA1
1a1a91d2437394efe39307e0731f2e0e6144dc18

SHA256
7a17cdb1840ce15471222ef6cb5ae6d79c65f1cdb4a7b5c351d582d35e620d1e

SHA512
e3f5af253f0555f519d7a70db113c3ddd1a8d6851bc7394dddc508eeca0eb0ac1686dc48aa48337e4f48cd484357ef51c251be9ed0088def875184adce1fe694

Download Submit
memory/2676-0-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2676-8-0x00000000028A0000-0x0000000002990000-memory.dmp

Filesize
960KB

Download
memory/2864-11-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2864-10-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2864-13-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads