gh0strat | cad447f67f2548859a6c86a141bb1a2105417fdb9390d73424e67921c83271db

General

Target

ExeFile (119).exe
Size

32KB
MD5

89c3536c954b7953413bb228833adaff
SHA1

74cba0223e941f83037f0b497c6e0e6e205059d1
SHA256

cad447f67f2548859a6c86a141bb1a2105417fdb9390d73424e67921c83271db
SHA512

9f3a4ac749cfebe0ae065a52943933833c6462de814e74b37c7a51404db6f893a46a5458adc1f55dfd0b0519a635429867eec7f7cc1f7af1d4dfdca844f4bd92
SSDEEP

768:Uw/iOWTK3JWhOM/qZh7UJGcZ/yKQcnbcuyD7U7s9:7QK52fqZSIAK0nouy87s9

Score

10^/10

gh0strat runningrat discovery persistence rat upx

Malware Config

Extracted

Family

gh0strat

C2

p.f2pool.info

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral2/files/0x000900000002341d-2.dat	family_gh0strat
behavioral2/memory/1688-8-0x0000000000400000-0x0000000000420000-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
RunningRat
RunningRat is a remote access trojan first seen in 2018.
rat runningrat

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\lsass\Parameters\ServiceDll = "C:\\Windows\\system32\\240616437.dll"	ExeFile (119).exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	ExeFile (119).exe

Executes dropped EXE 1 IoCs

pid	Process
2396	lsass.exe

Loads dropped DLL 3 IoCs

pid	Process
1688	ExeFile (119).exe
3260	svchost.exe
2396	lsass.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1688-0-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral2/memory/1688-8-0x0000000000400000-0x0000000000420000-memory.dmp	upx

Creates a Windows Service
persistence

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240616437.dll	ExeFile (119).exe
File created	C:\Windows\SysWOW64\lsass.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\lsass.exe	svchost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	ExeFile (119).exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1928	cmd.exe
3632	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3632	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1688	ExeFile (119).exe
1688	ExeFile (119).exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1688	ExeFile (119).exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1688	ExeFile (119).exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 1928	1688	ExeFile (119).exe	86
PID 1688 wrote to memory of 1928	1688	ExeFile (119).exe	86
PID 1688 wrote to memory of 1928	1688	ExeFile (119).exe	86
PID 1928 wrote to memory of 3632	1928	cmd.exe	88
PID 1928 wrote to memory of 3632	1928	cmd.exe	88
PID 1928 wrote to memory of 3632	1928	cmd.exe	88
PID 3260 wrote to memory of 2396	3260	svchost.exe	95
PID 3260 wrote to memory of 2396	3260	svchost.exe	95
PID 3260 wrote to memory of 2396	3260	svchost.exe	95

C:\Users\Admin\AppData\Local\Temp\ExeFile (119).exe
"C:\Users\Admin\AppData\Local\Temp\ExeFile (119).exe"
1⤵
- Server Software Component: Terminal Services DLL
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 1 && del /f/q "C:\Users\Admin\AppData\Local\Temp\ExeFile (119).exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1928
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:3632

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "lsass"
1⤵
PID:1984

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "lsass"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3260
- C:\Windows\SysWOW64\lsass.exe
  C:\Windows\system32\lsass.exe "c:\windows\system32\240616437.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\240616437.dll

Filesize
37KB

MD5
e8899ef2fbfd3174da418ca7421ef514

SHA1
e5ac4d5e7f0639af95a84b018ae47431e68e1bb9

SHA256
646ca28f0f0507a6edcdc48188fd7f9bd4f5676847cc799a22be51a18823d411

SHA512
be0ebf9b546e6065d74bc2c66cf70defc77730cef9f576f0407680fd80e8b1e793185de80c98c18ec59e2c5626889db88c47fff7bd4b31cadb28b8ab02c2ce7a

Download Submit
C:\Windows\SysWOW64\lsass.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1688-0-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1688-8-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing