gh0strat | c6c075712db7299c55826b61cb22bf6cf75e961fc23b39cf9c2bd6ea64fc998d

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, 08:59

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General

Target

JaffaCakes118_3f3d2bb5c6a976988856518dd0ce5ba0.exe
Size

384KB
MD5

3f3d2bb5c6a976988856518dd0ce5ba0
SHA1

2c6270b9cbb9fc46f8e7ab5eb1c7683b35c10b7b
SHA256

c6c075712db7299c55826b61cb22bf6cf75e961fc23b39cf9c2bd6ea64fc998d
SHA512

f405783434bf2af88fdfa5846f1c58a654c1713c6128312b571a9ca60309ca8d6f12fb7559f4b342eca7bf17e3d718a94d82ec903106b030c5b85e4c6bff6e18
SSDEEP

6144:wGzRxSVtp0l6whGfsKR+zkBpTaa5tJHYt4Z4P:Dt0VPFfsKAkrbPlYG+P

Score

10^/10

gh0strat discovery persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/2148-12-0x0000000000400000-0x00000000004F0000-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
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_3f3d2bb5c6a976988856518dd0ce5ba0.exe"	JaffaCakes118_3f3d2bb5c6a976988856518dd0ce5ba0.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1620-0-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral1/files/0x000800000001660e-9.dat	upx
behavioral1/memory/2148-12-0x0000000000400000-0x00000000004F0000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	JaffaCakes118_3f3d2bb5c6a976988856518dd0ce5ba0.exe
File opened for modification	\??\c:\Windows\BJ.exe	JaffaCakes118_3f3d2bb5c6a976988856518dd0ce5ba0.exe
File created	\??\c:\Windows\(null)0.exe	JaffaCakes118_3f3d2bb5c6a976988856518dd0ce5ba0.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_3f3d2bb5c6a976988856518dd0ce5ba0.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_3f3d2bb5c6a976988856518dd0ce5ba0.exe	30
PID 1620 wrote to memory of 2148	1620	JaffaCakes118_3f3d2bb5c6a976988856518dd0ce5ba0.exe	30
PID 1620 wrote to memory of 2148	1620	JaffaCakes118_3f3d2bb5c6a976988856518dd0ce5ba0.exe	30
PID 1620 wrote to memory of 2148	1620	JaffaCakes118_3f3d2bb5c6a976988856518dd0ce5ba0.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3f3d2bb5c6a976988856518dd0ce5ba0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3f3d2bb5c6a976988856518dd0ce5ba0.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
384KB

MD5
3f3d2bb5c6a976988856518dd0ce5ba0

SHA1
2c6270b9cbb9fc46f8e7ab5eb1c7683b35c10b7b

SHA256
c6c075712db7299c55826b61cb22bf6cf75e961fc23b39cf9c2bd6ea64fc998d

SHA512
f405783434bf2af88fdfa5846f1c58a654c1713c6128312b571a9ca60309ca8d6f12fb7559f4b342eca7bf17e3d718a94d82ec903106b030c5b85e4c6bff6e18

Download Submit
memory/1620-0-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/1620-11-0x0000000002610000-0x0000000002700000-memory.dmp

Filesize
960KB

Download
memory/2148-12-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads