gh0strat | a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b

General

Target

a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.exe
Size

32KB
MD5

063eac49dce280735483eda62ccfd437
SHA1

7bc157cd1d16e61497c6ccf0db0c5fc9a103c7b7
SHA256

a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b
SHA512

088346741d9076da6456504a37cc8cca01a0222cb641015254bd7924c5c089f9b9394037dc6f0c8796fbe9b81d35df9486c92d3b8f9f63c43f83115329a8884f
SSDEEP

768:Fw/iOWTK3JWhOM/qZh7UJGcZ/81uwO+0pzx2onbcuyD7U7s9:mQK52fqZSIAlx2onouy87s9

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/0x000900000002344a-2.dat	family_gh0strat
behavioral2/memory/2420-9-0x0000000000400000-0x0000000000420000-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\serivces\Parameters\ServiceDll = "C:\\Windows\\system32\\240620265.dll"	a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.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	a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.exe

Executes dropped EXE 1 IoCs

pid	Process
4988	serivces.exe

Loads dropped DLL 3 IoCs

pid	Process
2420	a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.exe
4796	svchost.exe
4988	serivces.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2420-0-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral2/memory/2420-9-0x0000000000400000-0x0000000000420000-memory.dmp	upx

Creates a Windows Service
persistence

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240620265.dll	a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.exe
File created	C:\Windows\SysWOW64\serivces.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\serivces.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	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	serivces.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.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
4316	cmd.exe
1684	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1684	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2420	a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.exe
2420	a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2420	a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2420	a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 4316	2420	a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.exe	86
PID 2420 wrote to memory of 4316	2420	a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.exe	86
PID 2420 wrote to memory of 4316	2420	a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.exe	86
PID 4316 wrote to memory of 1684	4316	cmd.exe	88
PID 4316 wrote to memory of 1684	4316	cmd.exe	88
PID 4316 wrote to memory of 1684	4316	cmd.exe	88
PID 4796 wrote to memory of 4988	4796	svchost.exe	93
PID 4796 wrote to memory of 4988	4796	svchost.exe	93
PID 4796 wrote to memory of 4988	4796	svchost.exe	93

C:\Users\Admin\AppData\Local\Temp\a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.exe
"C:\Users\Admin\AppData\Local\Temp\a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.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:2420
- 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\a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4316
- - 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:1684

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "serivces"
1⤵
PID:3696

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "serivces"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4796
- C:\Windows\SysWOW64\serivces.exe
  C:\Windows\system32\serivces.exe "c:\windows\system32\240620265.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4988

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

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Downloads

C:\Windows\SysWOW64\240620265.dll

Filesize
37KB

MD5
1393b9cd4912548da5de23c71897bdc8

SHA1
97210774716cfa3349f0b8dfbdc79b1234d623a8

SHA256
845a273e03ff04c574c4f12075ffcb8215f6c7c8642e9c4f15e8d3d1b0335783

SHA512
a8f36735381949dab3dbc766597e926d2650a30d9a77b48103a34c04cd26ca313494c497670044f319482b09431e06696aa329fc4c5b453234f795e7fd84bd81

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/2420-0-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2420-9-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

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