gh0strat | ee521786c8522b0957365a8bc49676c8460f3669cd2af125456068b952108609

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 09:54

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General

Target

ee521786c8522b0957365a8bc49676c8460f3669cd2af125456068b952108609.exe
Size

137KB
MD5

807ce67e6bbea706b06c34bb3278d0ff
SHA1

23f56b37931c6fec0829e780757a699541947b42
SHA256

ee521786c8522b0957365a8bc49676c8460f3669cd2af125456068b952108609
SHA512

70816483bb7ad3cb400c88ba9f57e9fd14e1ec15d328bd28d913cdc427018963cafaa2a7bac3d873985573f94a32d6ab4131c1f69e558ea8db2a43f4fb667a3d
SSDEEP

1536:cbrVhDp2tl/h74LQJHqFgzbfb2EZx9DjBCAs+BrqkPdv50JptEtcFRmcfCW1:cJ2tP74LHmNZx9jBZn1v+JT7mcfC

Score

10^/10

gh0strat rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4056-132-0x0000000010000000-0x0000000010019000-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

Processes:

kkcqwcw.pif

pid process

4320 kkcqwcw.pif

pid	process
4320	kkcqwcw.pif

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

ee521786c8522b0957365a8bc49676c8460f3669cd2af125456068b952108609.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	ee521786c8522b0957365a8bc49676c8460f3669cd2af125456068b952108609.exe

Drops file in Windows directory 2 IoCs

Processes:

ee521786c8522b0957365a8bc49676c8460f3669cd2af125456068b952108609.exe

description	ioc	process
File created	C:\Windows\kkcqwcw.pif	ee521786c8522b0957365a8bc49676c8460f3669cd2af125456068b952108609.exe
File opened for modification	C:\Windows\kkcqwcw.pif	ee521786c8522b0957365a8bc49676c8460f3669cd2af125456068b952108609.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 1 IoCs

Processes:

ee521786c8522b0957365a8bc49676c8460f3669cd2af125456068b952108609.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings	ee521786c8522b0957365a8bc49676c8460f3669cd2af125456068b952108609.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

ee521786c8522b0957365a8bc49676c8460f3669cd2af125456068b952108609.exekkcqwcw.pif

pid	process
4056	ee521786c8522b0957365a8bc49676c8460f3669cd2af125456068b952108609.exe
4056	ee521786c8522b0957365a8bc49676c8460f3669cd2af125456068b952108609.exe
4320	kkcqwcw.pif
4320	kkcqwcw.pif

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

ee521786c8522b0957365a8bc49676c8460f3669cd2af125456068b952108609.exe

description	pid	process	target process
PID 4056 wrote to memory of 4508	4056	ee521786c8522b0957365a8bc49676c8460f3669cd2af125456068b952108609.exe	WScript.exe
PID 4056 wrote to memory of 4508	4056	ee521786c8522b0957365a8bc49676c8460f3669cd2af125456068b952108609.exe	WScript.exe
PID 4056 wrote to memory of 4508	4056	ee521786c8522b0957365a8bc49676c8460f3669cd2af125456068b952108609.exe	WScript.exe

C:\Users\Admin\AppData\Local\Temp\ee521786c8522b0957365a8bc49676c8460f3669cd2af125456068b952108609.exe
"C:\Users\Admin\AppData\Local\Temp\ee521786c8522b0957365a8bc49676c8460f3669cd2af125456068b952108609.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4056

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\1728.vbs"
2⤵
PID:4508

C:\Windows\kkcqwcw.pif
C:\Windows\kkcqwcw.pif
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4320

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\1728.vbs

Filesize
500B

MD5
a78dcd424aac778c8dec1c9713ec7daa

SHA1
5d07cef67a44ce60b35cc18df261e12873419786

SHA256
7ae2cde67f7719e0b11df8dcab4d569d1bb8f3f9afca4b3ca772b90584e32468

SHA512
99eebf518b3502484abc697c44290972ca2f3aa065a1acfc6ac65eda19de127e054151ccc688cb9e230cc13a62c69e5dd96635821f2b14fc10aee4a37ffde22b

Download Submit
C:\Windows\kkcqwcw.pif

Filesize
137KB

MD5
807ce67e6bbea706b06c34bb3278d0ff

SHA1
23f56b37931c6fec0829e780757a699541947b42

SHA256
ee521786c8522b0957365a8bc49676c8460f3669cd2af125456068b952108609

SHA512
70816483bb7ad3cb400c88ba9f57e9fd14e1ec15d328bd28d913cdc427018963cafaa2a7bac3d873985573f94a32d6ab4131c1f69e558ea8db2a43f4fb667a3d

Download Submit
C:\Windows\kkcqwcw.pif

Filesize
137KB

MD5
807ce67e6bbea706b06c34bb3278d0ff

SHA1
23f56b37931c6fec0829e780757a699541947b42

SHA256
ee521786c8522b0957365a8bc49676c8460f3669cd2af125456068b952108609

SHA512
70816483bb7ad3cb400c88ba9f57e9fd14e1ec15d328bd28d913cdc427018963cafaa2a7bac3d873985573f94a32d6ab4131c1f69e558ea8db2a43f4fb667a3d

Download Submit
memory/4056-132-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/4508-142-0x0000000000000000-mapping.dmp

Download