gh0strat | cf2fb5cf282157f8494747c0e2caf9976df207fc6e0d52937b2b8105d5d7218b

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10/03/2025, 03:18

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General

Target

JaffaCakes118_5cc5ce0551c3d69592fee469332f2abd.exe
Size

435KB
MD5

5cc5ce0551c3d69592fee469332f2abd
SHA1

7d3aabd696f32fffe8594f43cf3dab2546b2dffb
SHA256

cf2fb5cf282157f8494747c0e2caf9976df207fc6e0d52937b2b8105d5d7218b
SHA512

856697d18e675ed1e9c6692e957181820d588dfec688ecda9753e2ae1d7500e1361d9537a57e14ad22e5e80d6e6462134b7a40a86c67606b492361e6fc1f6844
SSDEEP

6144:wGzRxSVtp0l6whGfsKR+zkBpTaa5tJHYt4Z4g:Dt0VPFfsKAkrbPlYG+g

Score

10^/10

gh0strat discovery persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/1924-11-0x0000000000400000-0x00000000004F0000-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
1924	(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_5cc5ce0551c3d69592fee469332f2abd.exe"	JaffaCakes118_5cc5ce0551c3d69592fee469332f2abd.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1836-0-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral1/files/0x0008000000015d41-5.dat	upx
behavioral1/memory/1924-10-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral1/memory/1924-11-0x0000000000400000-0x00000000004F0000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Windows\BJ.exe	JaffaCakes118_5cc5ce0551c3d69592fee469332f2abd.exe
File created	\??\c:\Windows\BJ.exe	JaffaCakes118_5cc5ce0551c3d69592fee469332f2abd.exe
File created	\??\c:\Windows\(null)0.exe	JaffaCakes118_5cc5ce0551c3d69592fee469332f2abd.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_5cc5ce0551c3d69592fee469332f2abd.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 1836 wrote to memory of 1924	1836	JaffaCakes118_5cc5ce0551c3d69592fee469332f2abd.exe	30
PID 1836 wrote to memory of 1924	1836	JaffaCakes118_5cc5ce0551c3d69592fee469332f2abd.exe	30
PID 1836 wrote to memory of 1924	1836	JaffaCakes118_5cc5ce0551c3d69592fee469332f2abd.exe	30
PID 1836 wrote to memory of 1924	1836	JaffaCakes118_5cc5ce0551c3d69592fee469332f2abd.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5cc5ce0551c3d69592fee469332f2abd.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5cc5ce0551c3d69592fee469332f2abd.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1836
- \??\c:\Windows\(null)0.exe
  c:\Windows\(null)0.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1924

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
435KB

MD5
5cc5ce0551c3d69592fee469332f2abd

SHA1
7d3aabd696f32fffe8594f43cf3dab2546b2dffb

SHA256
cf2fb5cf282157f8494747c0e2caf9976df207fc6e0d52937b2b8105d5d7218b

SHA512
856697d18e675ed1e9c6692e957181820d588dfec688ecda9753e2ae1d7500e1361d9537a57e14ad22e5e80d6e6462134b7a40a86c67606b492361e6fc1f6844

Download Submit
memory/1836-0-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/1836-8-0x0000000002730000-0x0000000002820000-memory.dmp

Filesize
960KB

Download
memory/1924-10-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/1924-11-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads