gh0strat | 223278e7f27613207535c392734433b4413da28fe44e43c89c2379475430f67d

General

Target

223278e7f27613207535c392734433b4413da28fe44e43c89c2379475430f67d.exe
Size

112KB
MD5

376f65c925a7319f88beee5075cfa944
SHA1

c4e6099c945fb3a686f0a5f32108f3ca1334d3be
SHA256

223278e7f27613207535c392734433b4413da28fe44e43c89c2379475430f67d
SHA512

1bcde068e944f698ef3ef93804c525c118854873011b7c2435bbb0a6db5be0d1b56cf99e1d6de42460cd76056dd215e83442a6791ee8b3c3f3a246b113a90f14
SSDEEP

1536:vqEA70HzLJksPEOajozLElnqiO2HdJ/tHi:vXTLJkQ7zAV37tC

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/files/0x00070000000120fd-1.dat	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

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\conhost\Parameters\ServiceDll = "C:\\Program Files (x86)\\Google\\259440223.dll"	223278e7f27613207535c392734433b4413da28fe44e43c89c2379475430f67d.exe

Deletes itself 1 IoCs

pid	Process
2352	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2816	conhost.exe

Loads dropped DLL 7 IoCs

pid	Process
2536	223278e7f27613207535c392734433b4413da28fe44e43c89c2379475430f67d.exe
2112	svchost.exe
2112	svchost.exe
2816	conhost.exe
2816	conhost.exe
2816	conhost.exe
2816	conhost.exe

Creates a Windows Service
persistence

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\conhost.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\conhost.exe	svchost.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Google\259440223.dll	223278e7f27613207535c392734433b4413da28fe44e43c89c2379475430f67d.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	223278e7f27613207535c392734433b4413da28fe44e43c89c2379475430f67d.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	conhost.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
2352	cmd.exe
2688	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2688	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2536	223278e7f27613207535c392734433b4413da28fe44e43c89c2379475430f67d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2536	223278e7f27613207535c392734433b4413da28fe44e43c89c2379475430f67d.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2536	223278e7f27613207535c392734433b4413da28fe44e43c89c2379475430f67d.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2352	2536	223278e7f27613207535c392734433b4413da28fe44e43c89c2379475430f67d.exe	32
PID 2536 wrote to memory of 2352	2536	223278e7f27613207535c392734433b4413da28fe44e43c89c2379475430f67d.exe	32
PID 2536 wrote to memory of 2352	2536	223278e7f27613207535c392734433b4413da28fe44e43c89c2379475430f67d.exe	32
PID 2536 wrote to memory of 2352	2536	223278e7f27613207535c392734433b4413da28fe44e43c89c2379475430f67d.exe	32
PID 2352 wrote to memory of 2688	2352	cmd.exe	34
PID 2352 wrote to memory of 2688	2352	cmd.exe	34
PID 2352 wrote to memory of 2688	2352	cmd.exe	34
PID 2352 wrote to memory of 2688	2352	cmd.exe	34
PID 2112 wrote to memory of 2816	2112	svchost.exe	36
PID 2112 wrote to memory of 2816	2112	svchost.exe	36
PID 2112 wrote to memory of 2816	2112	svchost.exe	36
PID 2112 wrote to memory of 2816	2112	svchost.exe	36

C:\Users\Admin\AppData\Local\Temp\223278e7f27613207535c392734433b4413da28fe44e43c89c2379475430f67d.exe
"C:\Users\Admin\AppData\Local\Temp\223278e7f27613207535c392734433b4413da28fe44e43c89c2379475430f67d.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2536
- 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\223278e7f27613207535c392734433b4413da28fe44e43c89c2379475430f67d.exe"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2352
- - 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:2688

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "conhost"
1⤵
PID:2416

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "conhost"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\conhost.exe
  C:\Windows\system32\conhost.exe "c:\program files (x86)\google\259440223.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2816

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

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Downloads

\Program Files (x86)\Google\259440223.dll

Filesize
37KB

MD5
6163baf9b05d3ce0d06911360f053bec

SHA1
d5b83dc1a44f314c08f16258b82b3a1d1d2cdb88

SHA256
c022cd69298ceb9109d1b1a1cb966ab2d79ba7155ee089ec582e2c1dfaa592f0

SHA512
d0757ead9db27c25e93969a833c374e640a39b84a43ab8dafdd7be6b888826fbf0a5d04fbbd62639cd80ca61538be3a4122793a319d6dc8a783ba63497c6949a

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\Windows\SysWOW64\conhost.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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Analysis

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