gh0strat | a616973949e19814d467a0689995ca6b41f91467107e39f8b89352c7d4b6f8a0

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
10/08/2024, 13:54

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General

Target

86505fd9bf48d845b67bdd046aac8b5e_JaffaCakes118.exe
Size

684KB
MD5

86505fd9bf48d845b67bdd046aac8b5e
SHA1

f75620770a32cec716f9e81d672e8d7e9f72a250
SHA256

a616973949e19814d467a0689995ca6b41f91467107e39f8b89352c7d4b6f8a0
SHA512

8734c4eb3cf7895323cd36a28c6c61a0252f59ae333672340a581a422972363e8e30ca74ac9e6b0679b72ba644d503319b6f0866dbc11003b8470f37191a98d0
SSDEEP

12288:m/eC0vZVQQxfnr+TK7r79/JenWAG36ATphjM5BfN:m/XwVQQxfnr+TK7r79/Je3GqArjM5BfN

Score

10^/10

gh0strat discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000016148-4.dat	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

Executes dropped EXE 1 IoCs

pid	Process
2548	svchest000.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:\\Windows\\notepab.exe"	86505fd9bf48d845b67bdd046aac8b5e_JaffaCakes118.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	86505fd9bf48d845b67bdd046aac8b5e_JaffaCakes118.exe
File opened for modification	\??\c:\Windows\BJ.exe	86505fd9bf48d845b67bdd046aac8b5e_JaffaCakes118.exe
File created	\??\c:\Windows\svchest000.exe	86505fd9bf48d845b67bdd046aac8b5e_JaffaCakes118.exe
File opened for modification	\??\c:\Windows\svchest000.exe	86505fd9bf48d845b67bdd046aac8b5e_JaffaCakes118.exe
File created	\??\c:\Windows\notepab.exe	86505fd9bf48d845b67bdd046aac8b5e_JaffaCakes118.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	86505fd9bf48d845b67bdd046aac8b5e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchest000.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 2548	1672	86505fd9bf48d845b67bdd046aac8b5e_JaffaCakes118.exe	30
PID 1672 wrote to memory of 2548	1672	86505fd9bf48d845b67bdd046aac8b5e_JaffaCakes118.exe	30
PID 1672 wrote to memory of 2548	1672	86505fd9bf48d845b67bdd046aac8b5e_JaffaCakes118.exe	30
PID 1672 wrote to memory of 2548	1672	86505fd9bf48d845b67bdd046aac8b5e_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\86505fd9bf48d845b67bdd046aac8b5e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\86505fd9bf48d845b67bdd046aac8b5e_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1672
- \??\c:\Windows\svchest000.exe
  c:\Windows\svchest000.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2548

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\svchest000.exe

Filesize
684KB

MD5
86505fd9bf48d845b67bdd046aac8b5e

SHA1
f75620770a32cec716f9e81d672e8d7e9f72a250

SHA256
a616973949e19814d467a0689995ca6b41f91467107e39f8b89352c7d4b6f8a0

SHA512
8734c4eb3cf7895323cd36a28c6c61a0252f59ae333672340a581a422972363e8e30ca74ac9e6b0679b72ba644d503319b6f0866dbc11003b8470f37191a98d0

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads