gh0strat | a98ddc2cefd5cd29e8a826392b072e2a05a0a4bd457dba0b7192764355e9485d

Analysis

max time kernel
154s
max time network
157s
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 17:46

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General

Target

a98ddc2cefd5cd29e8a826392b072e2a05a0a4bd457dba0b7192764355e9485d.exe
Size

384KB
MD5

8d6eb654b682a1ed322e585d2f7654cd
SHA1

7abbea361618c3dc40d4de896a9d96d06f2c9e46
SHA256

a98ddc2cefd5cd29e8a826392b072e2a05a0a4bd457dba0b7192764355e9485d
SHA512

989648f1ba605a046edbbb5b075a6f998d998e11ff9edbb1059e56c364c147fa70b168f9e812dd32d617274a535bb301b89a6c3a93e82ff24198bc7645487b62
SSDEEP

12288:KPdK4bgeK8VL5TKjb31wgxllhz7G60i2qvyOP:KPBjK8VlYb3P9Fz

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral2/memory/3224-134-0x0000000000400000-0x000000000054E000-memory.dmp	family_gh0strat
behavioral2/memory/3224-135-0x0000000000400000-0x000000000054E000-memory.dmp	family_gh0strat
behavioral2/memory/3224-136-0x0000000000400000-0x000000000054E000-memory.dmp	family_gh0strat
behavioral2/memory/3224-138-0x0000000000400000-0x000000000054E000-memory.dmp	family_gh0strat
behavioral2/memory/1824-143-0x0000000000400000-0x000000000054E000-memory.dmp	family_gh0strat
behavioral2/memory/3224-146-0x0000000000400000-0x000000000054E000-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

Executes dropped EXE 1 IoCs

pid	Process
1824	svchest425075242507520.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	a98ddc2cefd5cd29e8a826392b072e2a05a0a4bd457dba0b7192764355e9485d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a98ddc2cefd5cd29e8a826392b072e2a05a0a4bd457dba0b7192764355e9485d.exe"	a98ddc2cefd5cd29e8a826392b072e2a05a0a4bd457dba0b7192764355e9485d.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	a98ddc2cefd5cd29e8a826392b072e2a05a0a4bd457dba0b7192764355e9485d.exe
File opened for modification	\??\c:\Windows\BJ.exe	a98ddc2cefd5cd29e8a826392b072e2a05a0a4bd457dba0b7192764355e9485d.exe
File created	\??\c:\Windows\svchest425075242507520.exe	a98ddc2cefd5cd29e8a826392b072e2a05a0a4bd457dba0b7192764355e9485d.exe
File opened for modification	\??\c:\Windows\svchest425075242507520.exe	a98ddc2cefd5cd29e8a826392b072e2a05a0a4bd457dba0b7192764355e9485d.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3224 wrote to memory of 1824	3224	a98ddc2cefd5cd29e8a826392b072e2a05a0a4bd457dba0b7192764355e9485d.exe	80
PID 3224 wrote to memory of 1824	3224	a98ddc2cefd5cd29e8a826392b072e2a05a0a4bd457dba0b7192764355e9485d.exe	80
PID 3224 wrote to memory of 1824	3224	a98ddc2cefd5cd29e8a826392b072e2a05a0a4bd457dba0b7192764355e9485d.exe	80

C:\Users\Admin\AppData\Local\Temp\a98ddc2cefd5cd29e8a826392b072e2a05a0a4bd457dba0b7192764355e9485d.exe
"C:\Users\Admin\AppData\Local\Temp\a98ddc2cefd5cd29e8a826392b072e2a05a0a4bd457dba0b7192764355e9485d.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3224
- \??\c:\Windows\svchest425075242507520.exe
  c:\Windows\svchest425075242507520.exe
  2⤵
  - Executes dropped EXE
  PID:1824

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\svchest425075242507520.exe

Filesize
384KB

MD5
8d6eb654b682a1ed322e585d2f7654cd

SHA1
7abbea361618c3dc40d4de896a9d96d06f2c9e46

SHA256
a98ddc2cefd5cd29e8a826392b072e2a05a0a4bd457dba0b7192764355e9485d

SHA512
989648f1ba605a046edbbb5b075a6f998d998e11ff9edbb1059e56c364c147fa70b168f9e812dd32d617274a535bb301b89a6c3a93e82ff24198bc7645487b62

Download Submit
\??\c:\Windows\svchest425075242507520.exe

Filesize
384KB

MD5
8d6eb654b682a1ed322e585d2f7654cd

SHA1
7abbea361618c3dc40d4de896a9d96d06f2c9e46

SHA256
a98ddc2cefd5cd29e8a826392b072e2a05a0a4bd457dba0b7192764355e9485d

SHA512
989648f1ba605a046edbbb5b075a6f998d998e11ff9edbb1059e56c364c147fa70b168f9e812dd32d617274a535bb301b89a6c3a93e82ff24198bc7645487b62

Download Submit
memory/1824-140-0x0000000000000000-mapping.dmp

Download
memory/1824-145-0x0000000002230000-0x0000000002233000-memory.dmp

Filesize
12KB

Download
memory/1824-144-0x00000000007D0000-0x000000000080E000-memory.dmp

Filesize
248KB

Download
memory/1824-143-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download
memory/3224-135-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download
memory/3224-139-0x0000000002360000-0x0000000002363000-memory.dmp

Filesize
12KB

Download
memory/3224-138-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download
memory/3224-137-0x00000000022A0000-0x00000000022DE000-memory.dmp

Filesize
248KB

Download
memory/3224-136-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download
memory/3224-132-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download
memory/3224-134-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download
memory/3224-133-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download
memory/3224-146-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download