gh0strat | b21ebd79a6127649ec019e24c28e3aae6314c41a1863968f139b6a0871cdd66c

Analysis

max time kernel
163s
max time network
173s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12/03/2024, 15:32

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General

Target

c3b740fdd048c8fc17edb82ad4e724f5.exe
Size

219KB
MD5

c3b740fdd048c8fc17edb82ad4e724f5
SHA1

164eab425b11e0c195eec579248d3d92301e9f57
SHA256

b21ebd79a6127649ec019e24c28e3aae6314c41a1863968f139b6a0871cdd66c
SHA512

280b396d7aa1e657b3a71d16df5e30068f61f71ff10c726240b5066b1fb0d0173d151b5731abb66562986eebe722ab9975d582846a683fd3851572a6b0de134c
SSDEEP

3072:WrC3NjbHecdyMgtD5zVKCiXoaf4wfy+QxuNM85mdG62xE2NcHtEIwZ/CZ/N:Wu3NjPdyR5JEv48FQxcM85mdwJNcCEN

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/4756-2-0x0000000002070000-0x00000000020BC000-memory.dmp	family_gh0strat
behavioral2/memory/4756-3-0x0000000002070000-0x00000000020BC000-memory.dmp	family_gh0strat
behavioral2/memory/4756-4-0x0000000002070000-0x00000000020BC000-memory.dmp	family_gh0strat
behavioral2/memory/4756-5-0x0000000002070000-0x00000000020BC000-memory.dmp	family_gh0strat
behavioral2/memory/4756-6-0x0000000002070000-0x00000000020BC000-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

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\0B043B81 = "C:\\Windows\\0B043B81\\svchsot.exe"	c3b740fdd048c8fc17edb82ad4e724f5.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Default	c3b740fdd048c8fc17edb82ad4e724f5.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\0B043B81\svchsot.exe	c3b740fdd048c8fc17edb82ad4e724f5.exe
File opened for modification	C:\Windows\0B043B81\svchsot.exe	c3b740fdd048c8fc17edb82ad4e724f5.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4756	c3b740fdd048c8fc17edb82ad4e724f5.exe
4756	c3b740fdd048c8fc17edb82ad4e724f5.exe
4756	c3b740fdd048c8fc17edb82ad4e724f5.exe
4756	c3b740fdd048c8fc17edb82ad4e724f5.exe
4756	c3b740fdd048c8fc17edb82ad4e724f5.exe
4756	c3b740fdd048c8fc17edb82ad4e724f5.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4756	c3b740fdd048c8fc17edb82ad4e724f5.exe
Token: SeDebugPrivilege	4756	c3b740fdd048c8fc17edb82ad4e724f5.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4756 wrote to memory of 3952	4756	c3b740fdd048c8fc17edb82ad4e724f5.exe	95
PID 4756 wrote to memory of 3952	4756	c3b740fdd048c8fc17edb82ad4e724f5.exe	95
PID 4756 wrote to memory of 3952	4756	c3b740fdd048c8fc17edb82ad4e724f5.exe	95
PID 3952 wrote to memory of 1428	3952	net.exe	98
PID 3952 wrote to memory of 1428	3952	net.exe	98
PID 3952 wrote to memory of 1428	3952	net.exe	98

C:\Users\Admin\AppData\Local\Temp\c3b740fdd048c8fc17edb82ad4e724f5.exe
"C:\Users\Admin\AppData\Local\Temp\c3b740fdd048c8fc17edb82ad4e724f5.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4756
- C:\Windows\SysWOW64\net.exe
  net start "Task Scheduler"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3952
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start "Task Scheduler"
    3⤵
    PID:1428

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1424 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
1⤵
PID:3448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4756-0-0x0000000002070000-0x00000000020BC000-memory.dmp

Filesize
304KB

Download
memory/4756-2-0x0000000002070000-0x00000000020BC000-memory.dmp

Filesize
304KB

Download
memory/4756-3-0x0000000002070000-0x00000000020BC000-memory.dmp

Filesize
304KB

Download
memory/4756-4-0x0000000002070000-0x00000000020BC000-memory.dmp

Filesize
304KB

Download
memory/4756-5-0x0000000002070000-0x00000000020BC000-memory.dmp

Filesize
304KB

Download
memory/4756-6-0x0000000002070000-0x00000000020BC000-memory.dmp

Filesize
304KB

Download