gh0strat | e17549fd46db65983fda4e38de41278227dde208635157999b5a53d6f696ebee

General

Target

e17549fd46db65983fda4e38de41278227dde208635157999b5a53d6f696ebee.dll
Size

137KB
MD5

0b2044e1b30d1f373e5d0844d017c4ca
SHA1

6287650987d1283f98e825b2a3f39af84540c9ef
SHA256

e17549fd46db65983fda4e38de41278227dde208635157999b5a53d6f696ebee
SHA512

e4c76e7cf99d36625504d3a58cfdfb42fbcb83e9a1d863bce1dbb33d2c00ec390eac29cd929e49a5e0625e4cc1bffa6d22bcb2f2f5a62044bb3ac2d25e99fe33
SSDEEP

3072:iR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUug:n25GgFny61mrai

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/3428-4-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/3428-5-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/3428-6-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/3428-11-0x0000000010000000-0x000000001001C000-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 6 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/memory/3428-4-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/3428-5-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/3428-6-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/3428-7-0x0000000002E40000-0x0000000002E5D000-memory.dmp	acprotect
behavioral2/memory/3428-10-0x0000000002E40000-0x0000000002E5D000-memory.dmp	acprotect
behavioral2/memory/3428-11-0x0000000010000000-0x000000001001C000-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 4 IoCs

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3976	3428	WerFault.exe	83

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 7 IoCs

description	pid	Process	procid_target
PID 5036 wrote to memory of 3428	5036	rundll32.exe	83
PID 5036 wrote to memory of 3428	5036	rundll32.exe	83
PID 5036 wrote to memory of 3428	5036	rundll32.exe	83
PID 3428 wrote to memory of 1368	3428	rundll32.exe	87
PID 3428 wrote to memory of 1368	3428	rundll32.exe	87
PID 3428 wrote to memory of 1368	3428	rundll32.exe	87
PID 3428 wrote to memory of 1368	3428	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e17549fd46db65983fda4e38de41278227dde208635157999b5a53d6f696ebee.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5036
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e17549fd46db65983fda4e38de41278227dde208635157999b5a53d6f696ebee.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:3428
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 616
    3⤵
    - Program crash
    PID:3976
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe -k rundll32
    3⤵
    PID:1368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3428 -ip 3428
1⤵
PID:972

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/3428-4-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/3428-5-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/3428-6-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/3428-7-0x0000000002E40000-0x0000000002E5D000-memory.dmp

Filesize
116KB

Download
memory/3428-10-0x0000000002E40000-0x0000000002E5D000-memory.dmp

Filesize
116KB

Download
memory/3428-11-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/3428-14-0x0000000043E50000-0x0000000043E77000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads