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
behavioral1/files/0x00070000000120fd-2.dat	family_gh0strat
behavioral1/memory/2548-8-0x0000000000400000-0x0000000000420000-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\serivces\Parameters\ServiceDll = "C:\\Windows\\system32\\259440395.dll"	a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.exe

Deletes itself 1 IoCs

pid	Process
1248	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2856	serivces.exe

Loads dropped DLL 7 IoCs

pid	Process
2548	a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.exe
3040	svchost.exe
3040	svchost.exe
2856	serivces.exe
2856	serivces.exe
2856	serivces.exe
2856	serivces.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2548-0-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/2548-8-0x0000000000400000-0x0000000000420000-memory.dmp	upx

Creates a Windows Service
persistence

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259440395.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	a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.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	serivces.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
1248	cmd.exe
2344	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2344	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2548	a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2548	a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2548	a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 1248	2548	a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.exe	32
PID 2548 wrote to memory of 1248	2548	a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.exe	32
PID 2548 wrote to memory of 1248	2548	a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.exe	32
PID 2548 wrote to memory of 1248	2548	a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.exe	32
PID 1248 wrote to memory of 2344	1248	cmd.exe	34
PID 1248 wrote to memory of 2344	1248	cmd.exe	34
PID 1248 wrote to memory of 2344	1248	cmd.exe	34
PID 1248 wrote to memory of 2344	1248	cmd.exe	34
PID 3040 wrote to memory of 2856	3040	svchost.exe	36
PID 3040 wrote to memory of 2856	3040	svchost.exe	36
PID 3040 wrote to memory of 2856	3040	svchost.exe	36
PID 3040 wrote to memory of 2856	3040	svchost.exe	36

C:\Users\Admin\AppData\Local\Temp\a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.exe
"C:\Users\Admin\AppData\Local\Temp\a045dcaf7519a45b16068cad76467bd90b552571200c930ea4d4880416c5f39b.exe"
1⤵
- Server Software Component: Terminal Services DLL
- 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:2548
- 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⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1248
- - 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:2344

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "serivces"
1⤵
PID:2112

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:3040
- C:\Windows\SysWOW64\serivces.exe
  C:\Windows\system32\serivces.exe "c:\windows\system32\259440395.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2856

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

Remote System Discovery

1

T1018

System Information Discovery

1

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

\Windows\SysWOW64\259440395.dll

Filesize
37KB

MD5
1393b9cd4912548da5de23c71897bdc8

SHA1
97210774716cfa3349f0b8dfbdc79b1234d623a8

SHA256
845a273e03ff04c574c4f12075ffcb8215f6c7c8642e9c4f15e8d3d1b0335783

SHA512
a8f36735381949dab3dbc766597e926d2650a30d9a77b48103a34c04cd26ca313494c497670044f319482b09431e06696aa329fc4c5b453234f795e7fd84bd81

Download Submit
\Windows\SysWOW64\serivces.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2548-0-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2548-8-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

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