gh0strat | 3b2e33d33e631bdbe7a9ef93455e02ddf371d4117cc91176d4bd41f924dd0ef8

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/03/2025, 10:12

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General

Target

JaffaCakes118_3f931b1f59612f8866f53c75d1fa4879.exe
Size

436KB
MD5

3f931b1f59612f8866f53c75d1fa4879
SHA1

7c39bad6aa04c3c0ea59fb32fb7eaea0bf062a84
SHA256

3b2e33d33e631bdbe7a9ef93455e02ddf371d4117cc91176d4bd41f924dd0ef8
SHA512

130da35aeeb2dd5853c4dab61774c7199ed763f17e23ca5e0f598768d390c14f0a01415c05b2065ad270147803ec72453d8da6f2b9be5bb2aa6b5514b6d73583
SSDEEP

6144:QGzRxSVtp0l6whGfsKR+zkBpTaa5tJHXXnJl3/G:jt0VPFfsKAkrbPlXO

Score

10^/10

gh0strat discovery persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/2148-11-0x0000000000400000-0x00000000004F1000-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
2148	(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_3f931b1f59612f8866f53c75d1fa4879.exe"	JaffaCakes118_3f931b1f59612f8866f53c75d1fa4879.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1620-0-0x0000000000400000-0x00000000004F1000-memory.dmp	upx
behavioral1/files/0x000800000001660e-5.dat	upx
behavioral1/memory/2148-12-0x0000000000400000-0x00000000004F1000-memory.dmp	upx
behavioral1/memory/2148-11-0x0000000000400000-0x00000000004F1000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	JaffaCakes118_3f931b1f59612f8866f53c75d1fa4879.exe
File opened for modification	\??\c:\Windows\BJ.exe	JaffaCakes118_3f931b1f59612f8866f53c75d1fa4879.exe
File created	\??\c:\Windows\(null)0.exe	JaffaCakes118_3f931b1f59612f8866f53c75d1fa4879.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_3f931b1f59612f8866f53c75d1fa4879.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 1620 wrote to memory of 2148	1620	JaffaCakes118_3f931b1f59612f8866f53c75d1fa4879.exe	30
PID 1620 wrote to memory of 2148	1620	JaffaCakes118_3f931b1f59612f8866f53c75d1fa4879.exe	30
PID 1620 wrote to memory of 2148	1620	JaffaCakes118_3f931b1f59612f8866f53c75d1fa4879.exe	30
PID 1620 wrote to memory of 2148	1620	JaffaCakes118_3f931b1f59612f8866f53c75d1fa4879.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3f931b1f59612f8866f53c75d1fa4879.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3f931b1f59612f8866f53c75d1fa4879.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1620
- \??\c:\Windows\(null)0.exe
  c:\Windows\(null)0.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2148

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
436KB

MD5
3f931b1f59612f8866f53c75d1fa4879

SHA1
7c39bad6aa04c3c0ea59fb32fb7eaea0bf062a84

SHA256
3b2e33d33e631bdbe7a9ef93455e02ddf371d4117cc91176d4bd41f924dd0ef8

SHA512
130da35aeeb2dd5853c4dab61774c7199ed763f17e23ca5e0f598768d390c14f0a01415c05b2065ad270147803ec72453d8da6f2b9be5bb2aa6b5514b6d73583

Download Submit
memory/1620-0-0x0000000000400000-0x00000000004F1000-memory.dmp

Filesize
964KB

Download
memory/1620-9-0x0000000002930000-0x0000000002A21000-memory.dmp

Filesize
964KB

Download
memory/2148-12-0x0000000000400000-0x00000000004F1000-memory.dmp

Filesize
964KB

Download
memory/2148-11-0x0000000000400000-0x00000000004F1000-memory.dmp

Filesize
964KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads