gh0strat | bb7f474008142e7f8a81dfd3bb121b99e23bc262c2ef34c83cd33cc3db5f5509

General

Target

bb7f474008142e7f8a81dfd3bb121b99e23bc262c2ef3.dll
Size

172KB
MD5

5e557c646ae2e0fbd7aa05b4d4004670
SHA1

8e2e03baad6a099ee044a78cf0ee0cbe644581ad
SHA256

bb7f474008142e7f8a81dfd3bb121b99e23bc262c2ef34c83cd33cc3db5f5509
SHA512

90d5df37856cc948684fb82947391f9fb6b26cba1ece6ab620e264324debf20923e24a909ef46bec2a4923546721ce3a0c0d335d8172235242d5de7c9d6437ff
SSDEEP

3072:+/gWEkncfFsQTvrhPkC7xZkuXaJhNeETNsAq6nUlk6/MPNm:+LPnc2qrJ51ZkMaJhQCNBU8

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 7 IoCs

resource	yara_rule
behavioral1/memory/2184-0-0x0000000010000000-0x000000001002C000-memory.dmp	family_gh0strat
behavioral1/files/0x000f00000001227f-2.dat	family_gh0strat
behavioral1/memory/2172-4-0x0000000010000000-0x000000001002C000-memory.dmp	family_gh0strat
behavioral1/memory/2076-8-0x0000000010000000-0x000000001002C000-memory.dmp	family_gh0strat
behavioral1/memory/2184-9-0x0000000010000000-0x000000001002C000-memory.dmp	family_gh0strat
behavioral1/memory/2172-10-0x0000000010000000-0x000000001002C000-memory.dmp	family_gh0strat
behavioral1/memory/2076-11-0x0000000010000000-0x000000001002C000-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
Gh0strat family
gh0strat

Blocklisted process makes network request 1 IoCs

flow	pid	Process
1	2076	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2172	svchost.exe
2076	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\NetSubKey	rundll32.exe

Suspicious use of AdjustPrivilegeToken 15 IoCs

description	pid	Process
Token: SeBackupPrivilege	2184	rundll32.exe
Token: SeRestorePrivilege	2184	rundll32.exe
Token: SeBackupPrivilege	2184	rundll32.exe
Token: SeRestorePrivilege	2184	rundll32.exe
Token: SeBackupPrivilege	2184	rundll32.exe
Token: SeRestorePrivilege	2184	rundll32.exe
Token: SeBackupPrivilege	2184	rundll32.exe
Token: SeRestorePrivilege	2184	rundll32.exe
Token: SeBackupPrivilege	2172	svchost.exe
Token: SeRestorePrivilege	2172	svchost.exe
Token: SeBackupPrivilege	2172	svchost.exe
Token: SeRestorePrivilege	2172	svchost.exe
Token: SeBackupPrivilege	2172	svchost.exe
Token: SeRestorePrivilege	2172	svchost.exe
Token: SeDebugPrivilege	2172	svchost.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 2184	1992	rundll32.exe	31
PID 1992 wrote to memory of 2184	1992	rundll32.exe	31
PID 1992 wrote to memory of 2184	1992	rundll32.exe	31
PID 1992 wrote to memory of 2184	1992	rundll32.exe	31
PID 1992 wrote to memory of 2184	1992	rundll32.exe	31
PID 1992 wrote to memory of 2184	1992	rundll32.exe	31
PID 1992 wrote to memory of 2184	1992	rundll32.exe	31
PID 2172 wrote to memory of 2076	2172	svchost.exe	33
PID 2172 wrote to memory of 2076	2172	svchost.exe	33
PID 2172 wrote to memory of 2076	2172	svchost.exe	33
PID 2172 wrote to memory of 2076	2172	svchost.exe	33
PID 2172 wrote to memory of 2076	2172	svchost.exe	33
PID 2172 wrote to memory of 2076	2172	svchost.exe	33
PID 2172 wrote to memory of 2076	2172	svchost.exe	33

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bb7f474008142e7f8a81dfd3bb121b99e23bc262c2ef3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bb7f474008142e7f8a81dfd3bb121b99e23bc262c2ef3.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2184

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k imgsvc
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Windows\TEMP\sysw.jpg", MerCedes
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  PID:2076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\??\c:\users\admin\appdata\local\temp\sysw.jpg

Filesize
172KB

MD5
5e557c646ae2e0fbd7aa05b4d4004670

SHA1
8e2e03baad6a099ee044a78cf0ee0cbe644581ad

SHA256
bb7f474008142e7f8a81dfd3bb121b99e23bc262c2ef34c83cd33cc3db5f5509

SHA512
90d5df37856cc948684fb82947391f9fb6b26cba1ece6ab620e264324debf20923e24a909ef46bec2a4923546721ce3a0c0d335d8172235242d5de7c9d6437ff

Download Submit
memory/2076-8-0x0000000010000000-0x000000001002C000-memory.dmp

Filesize
176KB

Download
memory/2076-11-0x0000000010000000-0x000000001002C000-memory.dmp

Filesize
176KB

Download
memory/2172-4-0x0000000010000000-0x000000001002C000-memory.dmp

Filesize
176KB

Download
memory/2172-10-0x0000000010000000-0x000000001002C000-memory.dmp

Filesize
176KB

Download
memory/2184-0-0x0000000010000000-0x000000001002C000-memory.dmp

Filesize
176KB

Download
memory/2184-9-0x0000000010000000-0x000000001002C000-memory.dmp

Filesize
176KB

Download

Analysis

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