gh0strat | bca945c9fa834c070c3c4224429c65123ea091fe7ca0dee41566e0afc603320a

General

Target

bca945c9fa834c070c3c4224429c65123ea091fe7ca0dee41566e0afc603320a.dll
Size

137KB
MD5

d3b7bed6d5892f5dddd9e8ec2edbcb03
SHA1

ab7d52602d7d8e27e4ece2e0c3adbd754fe59ed6
SHA256

bca945c9fa834c070c3c4224429c65123ea091fe7ca0dee41566e0afc603320a
SHA512

ba8d95f5651b11fdb69256f523585f9df6f79a83f9ea5a03abdf9a38c37c1695e2377a647d8d901692d0cba678b0e5f12c54a681f7ec2fcdcb55c8c7c234a7c4
SSDEEP

3072:UR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUu0:R25GgFny61mrai

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/1604-4-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral1/memory/1604-5-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral1/memory/1604-6-0x0000000010000000-0x000000001001C000-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

Boot or Logon Autostart Execution: Port Monitors 1 TTPs 2 IoCs

Adversaries may use port monitors to run an adversary supplied DLL during system boot for persistence or privilege escalation.

persistence

Port Monitors

T1547.010

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor\Driver = "scsimon.dll"	rundll32.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Spooler\ImagePath = "Spoolsv.exe"	rundll32.exe

ACProtect 1.3x - 1.4x DLL software 3 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/memory/1604-4-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral1/memory/1604-5-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral1/memory/1604-6-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\com\comb.dll	rundll32.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\AppPatch\ComBack.Dll	rundll32.exe
File created	C:\Windows\AppPatch\ComBack.Dll	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2544	1604	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 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

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 1604	2020	rundll32.exe	30
PID 2020 wrote to memory of 1604	2020	rundll32.exe	30
PID 2020 wrote to memory of 1604	2020	rundll32.exe	30
PID 2020 wrote to memory of 1604	2020	rundll32.exe	30
PID 2020 wrote to memory of 1604	2020	rundll32.exe	30
PID 2020 wrote to memory of 1604	2020	rundll32.exe	30
PID 2020 wrote to memory of 1604	2020	rundll32.exe	30
PID 1604 wrote to memory of 2544	1604	rundll32.exe	32
PID 1604 wrote to memory of 2544	1604	rundll32.exe	32
PID 1604 wrote to memory of 2544	1604	rundll32.exe	32
PID 1604 wrote to memory of 2544	1604	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bca945c9fa834c070c3c4224429c65123ea091fe7ca0dee41566e0afc603320a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bca945c9fa834c070c3c4224429c65123ea091fe7ca0dee41566e0afc603320a.dll,#1
  2⤵
  - Boot or Logon Autostart Execution: Port Monitors
  - Sets service image path in registry
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1604
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 228
    3⤵
    - Program crash
    PID:2544

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {995C996E-D918-4a8c-A302-45719A6F4EA7} -Embedding
1⤵
PID:2360

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Port Monitors

1

T1547.010

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Port Monitors

1

T1547.010

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1604-4-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1604-5-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1604-6-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1604-9-0x0000000043E50000-0x0000000043E77000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads