gh0strat | f133e39bb32a981d9c64dc7bd4a6c2aae99a992a8c25d86121885c6638d43b63

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 01:14

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General

Target

8b022ba9ff723123fc0d8e8ce7f7039d.exe
Size

909KB
MD5

8b022ba9ff723123fc0d8e8ce7f7039d
SHA1

14ee9ef12f31c4b1b7c4319ef02b46ae98e51217
SHA256

f133e39bb32a981d9c64dc7bd4a6c2aae99a992a8c25d86121885c6638d43b63
SHA512

defa498dce5114f28794abf7ac13792e2cf4c892d506f8d6594a72ed95cf4133524939ab3dc387da6b98d09c2e7a9d5588ef3d6360ba162762db721f94d29b2d
SSDEEP

12288:iM5jZKbBL3aKHx5r+TuxX+fWbwFBfdGmZ1vrV:iM5j8Z3aKHx5r+TuxX+IwffFZ1vrV

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023210-5.dat	family_gh0strat
behavioral2/files/0x0007000000023210-4.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
2764	svchest432048043204801465662051.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"	8b022ba9ff723123fc0d8e8ce7f7039d.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File opened for modification	\??\c:\Windows\svchest432048043204801465662051.exe	8b022ba9ff723123fc0d8e8ce7f7039d.exe
File created	\??\c:\Windows\notepab.exe	8b022ba9ff723123fc0d8e8ce7f7039d.exe
File created	\??\c:\Windows\BJ.exe	8b022ba9ff723123fc0d8e8ce7f7039d.exe
File opened for modification	\??\c:\Windows\BJ.exe	8b022ba9ff723123fc0d8e8ce7f7039d.exe
File created	\??\c:\Windows\svchest432048043204801465662051.exe	8b022ba9ff723123fc0d8e8ce7f7039d.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3252 wrote to memory of 2764	3252	8b022ba9ff723123fc0d8e8ce7f7039d.exe	86
PID 3252 wrote to memory of 2764	3252	8b022ba9ff723123fc0d8e8ce7f7039d.exe	86
PID 3252 wrote to memory of 2764	3252	8b022ba9ff723123fc0d8e8ce7f7039d.exe	86

C:\Users\Admin\AppData\Local\Temp\8b022ba9ff723123fc0d8e8ce7f7039d.exe
"C:\Users\Admin\AppData\Local\Temp\8b022ba9ff723123fc0d8e8ce7f7039d.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3252
- \??\c:\Windows\svchest432048043204801465662051.exe
  c:\Windows\svchest432048043204801465662051.exe
  2⤵
  - Executes dropped EXE
  PID:2764

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\svchest432048043204801465662051.exe

Filesize
909KB

MD5
8b022ba9ff723123fc0d8e8ce7f7039d

SHA1
14ee9ef12f31c4b1b7c4319ef02b46ae98e51217

SHA256
f133e39bb32a981d9c64dc7bd4a6c2aae99a992a8c25d86121885c6638d43b63

SHA512
defa498dce5114f28794abf7ac13792e2cf4c892d506f8d6594a72ed95cf4133524939ab3dc387da6b98d09c2e7a9d5588ef3d6360ba162762db721f94d29b2d

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C:\Windows\svchest432048043204801465662051.exe

Filesize
849KB

MD5
6af7508e43fcf65410bbf2faef27e6e6

SHA1
21b27fdafad0e12b1b036e08c9378e2f35899979

SHA256
1c1a366b160bbe4bcc37516678bb3ffa95f3acdd9d6844511a44ad33ed27d619

SHA512
5979974742420b14a7583119dabb6e5b48bba7d2968cffd2f674a7c41cf569fbef555181c5c69c8f80327be678f684cb007cf347511b86dd5ffdef055cc5ae8a

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads