gh0strat | c858e10e29b769ca86445ba1bebdf708e88245da4e96c4afc967818e8293e099

Analysis

max time kernel
151s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
27-03-2023 09:33

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General

Target

HkMh_3.exe
Size

176KB
MD5

0cae2144249cca11917ce26657fc0281
SHA1

e7ffc36c62c26e987c6954e4739a306a95d119e1
SHA256

5fa749158a4dd5dd030bb97a5ca74a542ae4661b2a76ec69b29d41c3a32e8767
SHA512

50c5ea18407b74fc5d741d602c87a28c0bfebb348a8ff1710026951937b1e9077a353ee0b9bf2eb648b83a60e34a5e934d8b95c1b7e1202933aea875e6975027
SSDEEP

3072:MBFDC2a8kkalMLmNTMeN1vT72dPxIhf+5HS5LTbl2NBX9ZdebJR3u:M/inHlN1vTyTIBEHkTbl2zn0bJR

Score

10^/10

gh0strat rat

Malware Config

Signatures

Gh0st RAT payload 4 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\vgtdcg.exe	family_gh0strat
behavioral21/memory/1616-56-0x0000000000400000-0x0000000000431000-memory.dmp	family_gh0strat
behavioral21/memory/1400-58-0x0000000000400000-0x0000000000431000-memory.dmp	family_gh0strat
behavioral21/memory/1400-59-0x0000000000400000-0x0000000000431000-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
Executes dropped EXE 1 IoCs

Processes:

vgtdcg.exe

pid process

1400 vgtdcg.exe
Drops file in System32 directory 2 IoCs

Processes:

HkMh_3.exe

description ioc process

File created C:\Windows\SysWOW64\vgtdcg.exe HkMh_3.exe
File opened for modification C:\Windows\SysWOW64\vgtdcg.exe HkMh_3.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

HkMh_3.exevgtdcg.exe

pid process

1616 HkMh_3.exe
1400 vgtdcg.exe

pid	process
1400	vgtdcg.exe

description	ioc	process
File created	C:\Windows\SysWOW64\vgtdcg.exe	HkMh_3.exe
File opened for modification	C:\Windows\SysWOW64\vgtdcg.exe	HkMh_3.exe

Suspicious behavior: MapViewOfSection 43 IoCs

Processes:

HkMh_3.exevgtdcg.exe

pid	process
1616	HkMh_3.exe
1616	HkMh_3.exe
1616	HkMh_3.exe
1616	HkMh_3.exe
1616	HkMh_3.exe
1616	HkMh_3.exe
1616	HkMh_3.exe
1616	HkMh_3.exe
1616	HkMh_3.exe
1616	HkMh_3.exe
1616	HkMh_3.exe
1616	HkMh_3.exe
1616	HkMh_3.exe
1616	HkMh_3.exe
1616	HkMh_3.exe
1616	HkMh_3.exe
1616	HkMh_3.exe
1616	HkMh_3.exe
1616	HkMh_3.exe
1616	HkMh_3.exe
1616	HkMh_3.exe
1400	vgtdcg.exe
1400	vgtdcg.exe
1400	vgtdcg.exe
1400	vgtdcg.exe
1400	vgtdcg.exe
1400	vgtdcg.exe
1400	vgtdcg.exe
1400	vgtdcg.exe
1400	vgtdcg.exe
1400	vgtdcg.exe
1400	vgtdcg.exe
1400	vgtdcg.exe
1400	vgtdcg.exe
1400	vgtdcg.exe
1400	vgtdcg.exe
1400	vgtdcg.exe
1400	vgtdcg.exe
1400	vgtdcg.exe
1400	vgtdcg.exe
1400	vgtdcg.exe
1400	vgtdcg.exe
1400	vgtdcg.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

HkMh_3.exevgtdcg.exe

description pid process

Token: SeDebugPrivilege 1616 HkMh_3.exe
Token: SeDebugPrivilege 1400 vgtdcg.exe

description	pid	process
Token: SeDebugPrivilege	1616	HkMh_3.exe
Token: SeDebugPrivilege	1400	vgtdcg.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

HkMh_3.exe

description	pid	process	target process
PID 1616 wrote to memory of 372	1616	HkMh_3.exe	wininit.exe
PID 1616 wrote to memory of 372	1616	HkMh_3.exe	wininit.exe
PID 1616 wrote to memory of 372	1616	HkMh_3.exe	wininit.exe
PID 1616 wrote to memory of 372	1616	HkMh_3.exe	wininit.exe
PID 1616 wrote to memory of 372	1616	HkMh_3.exe	wininit.exe
PID 1616 wrote to memory of 372	1616	HkMh_3.exe	wininit.exe
PID 1616 wrote to memory of 372	1616	HkMh_3.exe	wininit.exe
PID 1616 wrote to memory of 380	1616	HkMh_3.exe	csrss.exe
PID 1616 wrote to memory of 380	1616	HkMh_3.exe	csrss.exe
PID 1616 wrote to memory of 380	1616	HkMh_3.exe	csrss.exe
PID 1616 wrote to memory of 380	1616	HkMh_3.exe	csrss.exe
PID 1616 wrote to memory of 380	1616	HkMh_3.exe	csrss.exe
PID 1616 wrote to memory of 380	1616	HkMh_3.exe	csrss.exe
PID 1616 wrote to memory of 380	1616	HkMh_3.exe	csrss.exe
PID 1616 wrote to memory of 420	1616	HkMh_3.exe	winlogon.exe
PID 1616 wrote to memory of 420	1616	HkMh_3.exe	winlogon.exe
PID 1616 wrote to memory of 420	1616	HkMh_3.exe	winlogon.exe
PID 1616 wrote to memory of 420	1616	HkMh_3.exe	winlogon.exe
PID 1616 wrote to memory of 420	1616	HkMh_3.exe	winlogon.exe
PID 1616 wrote to memory of 420	1616	HkMh_3.exe	winlogon.exe
PID 1616 wrote to memory of 420	1616	HkMh_3.exe	winlogon.exe
PID 1616 wrote to memory of 464	1616	HkMh_3.exe	services.exe
PID 1616 wrote to memory of 464	1616	HkMh_3.exe	services.exe
PID 1616 wrote to memory of 464	1616	HkMh_3.exe	services.exe
PID 1616 wrote to memory of 464	1616	HkMh_3.exe	services.exe
PID 1616 wrote to memory of 464	1616	HkMh_3.exe	services.exe
PID 1616 wrote to memory of 464	1616	HkMh_3.exe	services.exe
PID 1616 wrote to memory of 464	1616	HkMh_3.exe	services.exe
PID 1616 wrote to memory of 480	1616	HkMh_3.exe	lsass.exe
PID 1616 wrote to memory of 480	1616	HkMh_3.exe	lsass.exe
PID 1616 wrote to memory of 480	1616	HkMh_3.exe	lsass.exe
PID 1616 wrote to memory of 480	1616	HkMh_3.exe	lsass.exe
PID 1616 wrote to memory of 480	1616	HkMh_3.exe	lsass.exe
PID 1616 wrote to memory of 480	1616	HkMh_3.exe	lsass.exe
PID 1616 wrote to memory of 480	1616	HkMh_3.exe	lsass.exe
PID 1616 wrote to memory of 488	1616	HkMh_3.exe	lsm.exe
PID 1616 wrote to memory of 488	1616	HkMh_3.exe	lsm.exe
PID 1616 wrote to memory of 488	1616	HkMh_3.exe	lsm.exe
PID 1616 wrote to memory of 488	1616	HkMh_3.exe	lsm.exe
PID 1616 wrote to memory of 488	1616	HkMh_3.exe	lsm.exe
PID 1616 wrote to memory of 488	1616	HkMh_3.exe	lsm.exe
PID 1616 wrote to memory of 488	1616	HkMh_3.exe	lsm.exe
PID 1616 wrote to memory of 584	1616	HkMh_3.exe	svchost.exe
PID 1616 wrote to memory of 584	1616	HkMh_3.exe	svchost.exe
PID 1616 wrote to memory of 584	1616	HkMh_3.exe	svchost.exe
PID 1616 wrote to memory of 584	1616	HkMh_3.exe	svchost.exe
PID 1616 wrote to memory of 584	1616	HkMh_3.exe	svchost.exe
PID 1616 wrote to memory of 584	1616	HkMh_3.exe	svchost.exe
PID 1616 wrote to memory of 584	1616	HkMh_3.exe	svchost.exe
PID 1616 wrote to memory of 660	1616	HkMh_3.exe	svchost.exe
PID 1616 wrote to memory of 660	1616	HkMh_3.exe	svchost.exe
PID 1616 wrote to memory of 660	1616	HkMh_3.exe	svchost.exe
PID 1616 wrote to memory of 660	1616	HkMh_3.exe	svchost.exe
PID 1616 wrote to memory of 660	1616	HkMh_3.exe	svchost.exe
PID 1616 wrote to memory of 660	1616	HkMh_3.exe	svchost.exe
PID 1616 wrote to memory of 660	1616	HkMh_3.exe	svchost.exe
PID 1616 wrote to memory of 736	1616	HkMh_3.exe	svchost.exe
PID 1616 wrote to memory of 736	1616	HkMh_3.exe	svchost.exe
PID 1616 wrote to memory of 736	1616	HkMh_3.exe	svchost.exe
PID 1616 wrote to memory of 736	1616	HkMh_3.exe	svchost.exe
PID 1616 wrote to memory of 736	1616	HkMh_3.exe	svchost.exe
PID 1616 wrote to memory of 736	1616	HkMh_3.exe	svchost.exe
PID 1616 wrote to memory of 736	1616	HkMh_3.exe	svchost.exe
PID 1616 wrote to memory of 788	1616	HkMh_3.exe	svchost.exe

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:480

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k RPCSS
1⤵
PID:660

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
1⤵
PID:1072

\\?\C:\Windows\system32\wbem\WMIADAP.EXE
wmiadap.exe /F /T /R
1⤵
PID:2040

C:\Windows\system32\sppsvc.exe
C:\Windows\system32\sppsvc.exe
1⤵
PID:1820

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1248

C:\Users\Admin\AppData\Local\Temp\HkMh_3.exe
"C:\Users\Admin\AppData\Local\Temp\HkMh_3.exe"
2⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1616

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
1⤵
PID:1040

C:\Windows\System32\spoolsv.exe
C:\Windows\System32\spoolsv.exe
1⤵
PID:384

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService
1⤵
PID:296

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService
1⤵
PID:984

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs
1⤵
PID:820

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
1⤵
PID:788

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
1⤵
PID:736

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch
1⤵
PID:584

C:\Windows\system32\lsm.exe
C:\Windows\system32\lsm.exe
1⤵
PID:488

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
1⤵
PID:464

C:\Windows\SysWOW64\vgtdcg.exe
C:\Windows\SysWOW64\vgtdcg.exe
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1400

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:420

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
PID:380

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:372

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Windows\SysWOW64\vgtdcg.exe

Filesize
176KB

MD5
0cae2144249cca11917ce26657fc0281

SHA1
e7ffc36c62c26e987c6954e4739a306a95d119e1

SHA256
5fa749158a4dd5dd030bb97a5ca74a542ae4661b2a76ec69b29d41c3a32e8767

SHA512
50c5ea18407b74fc5d741d602c87a28c0bfebb348a8ff1710026951937b1e9077a353ee0b9bf2eb648b83a60e34a5e934d8b95c1b7e1202933aea875e6975027

Download Submit
memory/1400-58-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1400-59-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1616-56-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1616-57-0x000000007EF90000-0x000000007EF9C000-memory.dmp

Filesize
48KB

Download