gh0strat | 4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8

General

Target

4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe
Size

376KB
MD5

99bf9a530000c1d13f5a0a84e6fa89d0
SHA1

37ea9b81707c9f904a12e7a6444defc1fb0e64e4
SHA256

4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8
SHA512

07570afb01e5cde84930946b10934f5097a6ae17984fb836e416f25beb72a89799357f51925d276e1b42034f0f95cfbe6fd78e5313ff51ba96b596f4d6e938dc
SSDEEP

6144:zIHYsZbS31zXqSNQgeiOKnDYVH0pwpMWEmpRBJ1NuUBY+f7zAF11whggaoHofphC:zIVZel6SOgeiOKEVH0ppWfBJ7XBczmR/

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 12 IoCs

resource	yara_rule
behavioral1/memory/2904-10-0x0000000000401000-0x0000000000468000-memory.dmp	family_gh0strat
behavioral1/memory/2904-9-0x0000000000400000-0x000000000054B000-memory.dmp	family_gh0strat
behavioral1/memory/2904-8-0x0000000000400000-0x000000000054B000-memory.dmp	family_gh0strat
behavioral1/memory/2904-7-0x0000000000400000-0x000000000054B000-memory.dmp	family_gh0strat
behavioral1/memory/2904-15-0x0000000000400000-0x000000000054B000-memory.dmp	family_gh0strat
behavioral1/memory/2576-25-0x0000000000400000-0x000000000054B000-memory.dmp	family_gh0strat
behavioral1/memory/2576-26-0x0000000000400000-0x000000000054B000-memory.dmp	family_gh0strat
behavioral1/memory/2576-27-0x0000000000400000-0x000000000054B000-memory.dmp	family_gh0strat
behavioral1/memory/2576-31-0x0000000000400000-0x000000000054B000-memory.dmp	family_gh0strat
behavioral1/memory/2576-24-0x0000000000400000-0x000000000054B000-memory.dmp	family_gh0strat
behavioral1/memory/2576-23-0x0000000000400000-0x000000000054B000-memory.dmp	family_gh0strat
behavioral1/memory/2904-32-0x0000000000400000-0x000000000054B000-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
2576	svchest000.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:\\Users\\Admin\\AppData\\Local\\Temp\\4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe"	4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe
File opened for modification	\??\c:\Windows\BJ.exe	4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe
File created	\??\c:\Windows\svchest000.exe	4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe
File opened for modification	\??\c:\Windows\svchest000.exe	4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 2576	2904	4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe	28
PID 2904 wrote to memory of 2576	2904	4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe	28
PID 2904 wrote to memory of 2576	2904	4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe	28
PID 2904 wrote to memory of 2576	2904	4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe	28

C:\Users\Admin\AppData\Local\Temp\4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe
"C:\Users\Admin\AppData\Local\Temp\4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2904
- \??\c:\Windows\svchest000.exe
  c:\Windows\svchest000.exe
  2⤵
  - Executes dropped EXE
  PID:2576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\svchest000.exe

Filesize
376KB

MD5
99bf9a530000c1d13f5a0a84e6fa89d0

SHA1
37ea9b81707c9f904a12e7a6444defc1fb0e64e4

SHA256
4b90588b7c012b6e6f913ddd499f33b8b973e6ffbfb5926942122ba053272db8

SHA512
07570afb01e5cde84930946b10934f5097a6ae17984fb836e416f25beb72a89799357f51925d276e1b42034f0f95cfbe6fd78e5313ff51ba96b596f4d6e938dc

Download Submit
memory/2576-31-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/2576-23-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/2576-20-0x00000000002D0000-0x000000000030E000-memory.dmp

Filesize
248KB

Download
memory/2576-25-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/2576-21-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/2576-26-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/2576-24-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/2576-27-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/2576-28-0x00000000002D0000-0x000000000030E000-memory.dmp

Filesize
248KB

Download
memory/2576-19-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/2576-22-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/2904-6-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2904-32-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/2904-15-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/2904-7-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/2904-2-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/2904-1-0x00000000003A0000-0x00000000003DE000-memory.dmp

Filesize
248KB

Download
memory/2904-5-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2904-4-0x00000000001E0000-0x00000000001E2000-memory.dmp

Filesize
8KB

Download
memory/2904-10-0x0000000000401000-0x0000000000468000-memory.dmp

Filesize
412KB

Download
memory/2904-0-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/2904-8-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/2904-9-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/2904-3-0x00000000003A0000-0x00000000003DE000-memory.dmp

Filesize
248KB

Download
memory/2904-33-0x00000000003A0000-0x00000000003DE000-memory.dmp

Filesize
248KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads