gh0strat | aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31

Analysis

max time kernel
175s
max time network
200s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
05/12/2022, 06:55

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General

Target

aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31.exe
Size

384KB
MD5

2c81f215c50538f62f0a0438a9aba16d
SHA1

d43f7f43363ea1f81cda14104ac195e8f2bbdc3e
SHA256

aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31
SHA512

b82a71131cd67b4a18665abda5d5acbb02b4573142de1f3263f0d8c7aa82e52c13e93fe965e1cdcf4b861353256c32e89c8b82643d6daf263ce49fd543a9098e
SSDEEP

12288:KPdK4bgeK8VL5TKjb31wgxllhz7G60i2qvyO4:KPBjK8VlYb3P9Fk

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral2/memory/1608-134-0x0000000000400000-0x000000000054E000-memory.dmp	family_gh0strat
behavioral2/memory/1608-135-0x0000000000400000-0x000000000054E000-memory.dmp	family_gh0strat
behavioral2/memory/1608-136-0x0000000000400000-0x000000000054E000-memory.dmp	family_gh0strat
behavioral2/memory/1608-139-0x0000000000400000-0x000000000054E000-memory.dmp	family_gh0strat
behavioral2/memory/4176-143-0x0000000000400000-0x000000000054E000-memory.dmp	family_gh0strat
behavioral2/memory/1608-146-0x0000000000400000-0x000000000054E000-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
4176	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	aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31.exe"	aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	\??\c:\Windows\svchest425075242507520.exe	aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31.exe
File opened for modification	\??\c:\Windows\svchest425075242507520.exe	aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31.exe
File created	\??\c:\Windows\BJ.exe	aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31.exe
File opened for modification	\??\c:\Windows\BJ.exe	aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 4176	1608	aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31.exe	82
PID 1608 wrote to memory of 4176	1608	aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31.exe	82
PID 1608 wrote to memory of 4176	1608	aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31.exe	82

C:\Users\Admin\AppData\Local\Temp\aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31.exe
"C:\Users\Admin\AppData\Local\Temp\aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1608
- \??\c:\Windows\svchest425075242507520.exe
  c:\Windows\svchest425075242507520.exe
  2⤵
  - Executes dropped EXE
  PID:4176

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
2c81f215c50538f62f0a0438a9aba16d

SHA1
d43f7f43363ea1f81cda14104ac195e8f2bbdc3e

SHA256
aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31

SHA512
b82a71131cd67b4a18665abda5d5acbb02b4573142de1f3263f0d8c7aa82e52c13e93fe965e1cdcf4b861353256c32e89c8b82643d6daf263ce49fd543a9098e

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

Filesize
384KB

MD5
2c81f215c50538f62f0a0438a9aba16d

SHA1
d43f7f43363ea1f81cda14104ac195e8f2bbdc3e

SHA256
aa7d02a2065be4cbb33f3dc4eaa6a2c06a921b009e2c4bbbb1267012fb1f5c31

SHA512
b82a71131cd67b4a18665abda5d5acbb02b4573142de1f3263f0d8c7aa82e52c13e93fe965e1cdcf4b861353256c32e89c8b82643d6daf263ce49fd543a9098e

Download Submit
memory/1608-135-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download
memory/1608-132-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download
memory/1608-136-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download
memory/1608-137-0x0000000002290000-0x00000000022CE000-memory.dmp

Filesize
248KB

Download
memory/1608-139-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download
memory/1608-142-0x0000000002360000-0x0000000002363000-memory.dmp

Filesize
12KB

Download
memory/1608-134-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download
memory/1608-133-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download
memory/1608-146-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download
memory/4176-143-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download
memory/4176-144-0x00000000007E0000-0x000000000081E000-memory.dmp

Filesize
248KB

Download
memory/4176-145-0x00000000007C0000-0x00000000007C3000-memory.dmp

Filesize
12KB

Download