gh0strat | b10417f91b7d7835111826a31ccacffdcf87e30100ccc1cb41ba2a3a7466a9a1

Analysis

max time kernel
152s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 21:13

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General

Target

b10417f91b7d7835111826a31ccacffdcf87e30100ccc1cb41ba2a3a7466a9a1.exe
Size

570KB
MD5

8870eb8a7826f9704cd158b3a5210771
SHA1

3a7864c63e2f114536a7a656c971f3cafe030bec
SHA256

b10417f91b7d7835111826a31ccacffdcf87e30100ccc1cb41ba2a3a7466a9a1
SHA512

0ce5e78138cd026e4d8712208f6b8e08a0eaea23e59a32a1a7f42b9ef0b7d95d98973d79065e65ed1b55f62c308fec3bafb4183dcb0d1e505b24964736414293
SSDEEP

12288:JUIZVQQxfnr+TK7r79/JCtWCtCsbzm/6M5xy:JzVQQxfnr+TK7r79/JC/t3bi6M5xy

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral2/files/0x0006000000022e5f-133.dat	family_gh0strat
behavioral2/files/0x0006000000022e5f-134.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
4676	svchest425024042502400.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	b10417f91b7d7835111826a31ccacffdcf87e30100ccc1cb41ba2a3a7466a9a1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b10417f91b7d7835111826a31ccacffdcf87e30100ccc1cb41ba2a3a7466a9a1.exe"	b10417f91b7d7835111826a31ccacffdcf87e30100ccc1cb41ba2a3a7466a9a1.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Windows\svchest425024042502400.exe	b10417f91b7d7835111826a31ccacffdcf87e30100ccc1cb41ba2a3a7466a9a1.exe
File created	\??\c:\Windows\BJ.exe	b10417f91b7d7835111826a31ccacffdcf87e30100ccc1cb41ba2a3a7466a9a1.exe
File opened for modification	\??\c:\Windows\BJ.exe	b10417f91b7d7835111826a31ccacffdcf87e30100ccc1cb41ba2a3a7466a9a1.exe
File created	\??\c:\Windows\svchest425024042502400.exe	b10417f91b7d7835111826a31ccacffdcf87e30100ccc1cb41ba2a3a7466a9a1.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 884 wrote to memory of 4676	884	b10417f91b7d7835111826a31ccacffdcf87e30100ccc1cb41ba2a3a7466a9a1.exe	83
PID 884 wrote to memory of 4676	884	b10417f91b7d7835111826a31ccacffdcf87e30100ccc1cb41ba2a3a7466a9a1.exe	83
PID 884 wrote to memory of 4676	884	b10417f91b7d7835111826a31ccacffdcf87e30100ccc1cb41ba2a3a7466a9a1.exe	83

C:\Users\Admin\AppData\Local\Temp\b10417f91b7d7835111826a31ccacffdcf87e30100ccc1cb41ba2a3a7466a9a1.exe
"C:\Users\Admin\AppData\Local\Temp\b10417f91b7d7835111826a31ccacffdcf87e30100ccc1cb41ba2a3a7466a9a1.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:884
- \??\c:\Windows\svchest425024042502400.exe
  c:\Windows\svchest425024042502400.exe
  2⤵
  - Executes dropped EXE
  PID:4676

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

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\svchest425024042502400.exe

Filesize
570KB

MD5
8870eb8a7826f9704cd158b3a5210771

SHA1
3a7864c63e2f114536a7a656c971f3cafe030bec

SHA256
b10417f91b7d7835111826a31ccacffdcf87e30100ccc1cb41ba2a3a7466a9a1

SHA512
0ce5e78138cd026e4d8712208f6b8e08a0eaea23e59a32a1a7f42b9ef0b7d95d98973d79065e65ed1b55f62c308fec3bafb4183dcb0d1e505b24964736414293

Download Submit
\??\c:\Windows\svchest425024042502400.exe

Filesize
570KB

MD5
8870eb8a7826f9704cd158b3a5210771

SHA1
3a7864c63e2f114536a7a656c971f3cafe030bec

SHA256
b10417f91b7d7835111826a31ccacffdcf87e30100ccc1cb41ba2a3a7466a9a1

SHA512
0ce5e78138cd026e4d8712208f6b8e08a0eaea23e59a32a1a7f42b9ef0b7d95d98973d79065e65ed1b55f62c308fec3bafb4183dcb0d1e505b24964736414293

Download Submit