gh0strat | 0ee170eb92a1063c45512e55aa2c4c7e40e58e1cdc77ce13b5fe56163b871531

Analysis

max time kernel
150s
max time network
319s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2023 09:07

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General

Target

nY4Ke1JkQH.exe
Size

214KB
MD5

415e87055596d88f1793be910abe60aa
SHA1

3182b59a3063df587987a6bc6f7e39c42c075e8f
SHA256

399e60f78e458f5e010da46a45c66ccf9b0fd30c128234a5dd9d9c9aa32ffa27
SHA512

4129ed2744ee101e22aefc63e495ddb2b877ae33d4d8aa957992bad9ea46896256c2272597e6c82d6ad94dc6dea24af0e3e706bdaa0b76d0e158b002597feda3
SSDEEP

3072:9kIcMtRin3zIf6naro5T6zaKPCbd5XX4E1Tgmn8Y5W646CN:9PPtRJ6NeKfocpnJ5W64

Score

10^/10

gh0strat persistence rat

Malware Config

Extracted

Family

gh0strat

154.221.25.208

Signatures

Gh0st RAT payload 2 IoCs

Processes:

resource	yara_rule
behavioral21/memory/468-26-0x0000000010000000-0x000000001000B000-memory.dmp	family_gh0strat
behavioral21/memory/468-29-0x0000000000400000-0x0000000000413000-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

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

Processes:

nY4Ke1JkQH.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Control Panel\International\Geo\Nation	nY4Ke1JkQH.exe

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

1884 svchost.exe

pid	process
1884	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

nY4Ke1JkQH.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\""	nY4Ke1JkQH.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

AddInProcess32.exe

description	ioc	process
File opened (read-only)	\??\B:	AddInProcess32.exe
File opened (read-only)	\??\O:	AddInProcess32.exe
File opened (read-only)	\??\T:	AddInProcess32.exe
File opened (read-only)	\??\M:	AddInProcess32.exe
File opened (read-only)	\??\P:	AddInProcess32.exe
File opened (read-only)	\??\Q:	AddInProcess32.exe
File opened (read-only)	\??\R:	AddInProcess32.exe
File opened (read-only)	\??\V:	AddInProcess32.exe
File opened (read-only)	\??\Y:	AddInProcess32.exe
File opened (read-only)	\??\I:	AddInProcess32.exe
File opened (read-only)	\??\J:	AddInProcess32.exe
File opened (read-only)	\??\U:	AddInProcess32.exe
File opened (read-only)	\??\X:	AddInProcess32.exe
File opened (read-only)	\??\S:	AddInProcess32.exe
File opened (read-only)	\??\W:	AddInProcess32.exe
File opened (read-only)	\??\E:	AddInProcess32.exe
File opened (read-only)	\??\G:	AddInProcess32.exe
File opened (read-only)	\??\H:	AddInProcess32.exe
File opened (read-only)	\??\K:	AddInProcess32.exe
File opened (read-only)	\??\L:	AddInProcess32.exe
File opened (read-only)	\??\N:	AddInProcess32.exe
File opened (read-only)	\??\Z:	AddInProcess32.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

svchost.exe

description pid process target process

PID 1884 set thread context of 468 1884 svchost.exe AddInProcess32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 1884 set thread context of 468	1884	svchost.exe	AddInProcess32.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

AddInProcess32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AddInProcess32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AddInProcess32.exe

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

844 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

4920 timeout.exe

pid	process
844	schtasks.exe

pid	process
4920	timeout.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

nY4Ke1JkQH.exeAddInProcess32.exe

pid	process
4884	nY4Ke1JkQH.exe
4884	nY4Ke1JkQH.exe
4884	nY4Ke1JkQH.exe
4884	nY4Ke1JkQH.exe
4884	nY4Ke1JkQH.exe
4884	nY4Ke1JkQH.exe
4884	nY4Ke1JkQH.exe
4884	nY4Ke1JkQH.exe
4884	nY4Ke1JkQH.exe
4884	nY4Ke1JkQH.exe
4884	nY4Ke1JkQH.exe
4884	nY4Ke1JkQH.exe
4884	nY4Ke1JkQH.exe
4884	nY4Ke1JkQH.exe
4884	nY4Ke1JkQH.exe
4884	nY4Ke1JkQH.exe
4884	nY4Ke1JkQH.exe
4884	nY4Ke1JkQH.exe
4884	nY4Ke1JkQH.exe
4884	nY4Ke1JkQH.exe
4884	nY4Ke1JkQH.exe
4884	nY4Ke1JkQH.exe
4884	nY4Ke1JkQH.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe
468	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

nY4Ke1JkQH.exesvchost.exe

description pid process

Token: SeDebugPrivilege 4884 nY4Ke1JkQH.exe
Token: SeDebugPrivilege 1884 svchost.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

AddInProcess32.exe

pid process

468 AddInProcess32.exe

description	pid	process
Token: SeDebugPrivilege	4884	nY4Ke1JkQH.exe
Token: SeDebugPrivilege	1884	svchost.exe

pid	process
468	AddInProcess32.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

nY4Ke1JkQH.execmd.execmd.exesvchost.exe

description	pid	process	target process
PID 4884 wrote to memory of 4132	4884	nY4Ke1JkQH.exe	cmd.exe
PID 4884 wrote to memory of 4132	4884	nY4Ke1JkQH.exe	cmd.exe
PID 4884 wrote to memory of 4132	4884	nY4Ke1JkQH.exe	cmd.exe
PID 4884 wrote to memory of 1056	4884	nY4Ke1JkQH.exe	cmd.exe
PID 4884 wrote to memory of 1056	4884	nY4Ke1JkQH.exe	cmd.exe
PID 4884 wrote to memory of 1056	4884	nY4Ke1JkQH.exe	cmd.exe
PID 4132 wrote to memory of 844	4132	cmd.exe	schtasks.exe
PID 4132 wrote to memory of 844	4132	cmd.exe	schtasks.exe
PID 4132 wrote to memory of 844	4132	cmd.exe	schtasks.exe
PID 1056 wrote to memory of 4920	1056	cmd.exe	timeout.exe
PID 1056 wrote to memory of 4920	1056	cmd.exe	timeout.exe
PID 1056 wrote to memory of 4920	1056	cmd.exe	timeout.exe
PID 1056 wrote to memory of 1884	1056	cmd.exe	svchost.exe
PID 1056 wrote to memory of 1884	1056	cmd.exe	svchost.exe
PID 1056 wrote to memory of 1884	1056	cmd.exe	svchost.exe
PID 1884 wrote to memory of 468	1884	svchost.exe	AddInProcess32.exe
PID 1884 wrote to memory of 468	1884	svchost.exe	AddInProcess32.exe
PID 1884 wrote to memory of 468	1884	svchost.exe	AddInProcess32.exe
PID 1884 wrote to memory of 468	1884	svchost.exe	AddInProcess32.exe
PID 1884 wrote to memory of 468	1884	svchost.exe	AddInProcess32.exe
PID 1884 wrote to memory of 468	1884	svchost.exe	AddInProcess32.exe
PID 1884 wrote to memory of 468	1884	svchost.exe	AddInProcess32.exe
PID 1884 wrote to memory of 468	1884	svchost.exe	AddInProcess32.exe
PID 1884 wrote to memory of 468	1884	svchost.exe	AddInProcess32.exe

C:\Users\Admin\AppData\Local\Temp\nY4Ke1JkQH.exe
"C:\Users\Admin\AppData\Local\Temp\nY4Ke1JkQH.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4884

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:4132

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
3⤵
- Creates scheduled task(s)
PID:844

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp80F3.tmp.bat""
2⤵
- Suspicious use of WriteProcessMemory
PID:1056

C:\Windows\SysWOW64\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:4920

C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1884

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
4⤵
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:468

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Peripheral Device Discovery

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp80F3.tmp.bat
Filesize
151B

MD5
e069f89b098fe49c136c662bad9a74ca

SHA1
4db0d65af34b8899fd563a0d724574dba9ef7443

SHA256
c48f09459db16689c71854c406772b6fb826540921b76f708ee4e506434b3c42

SHA512
324604e0d9ccb09422bdb8b341cf3df9c835ceee79d091d769a28d41577447e0646dafec0b095b2e4840236c16ec58df8f02e5c0d994e997c048377641658dc1

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
214KB

MD5
415e87055596d88f1793be910abe60aa

SHA1
3182b59a3063df587987a6bc6f7e39c42c075e8f

SHA256
399e60f78e458f5e010da46a45c66ccf9b0fd30c128234a5dd9d9c9aa32ffa27

SHA512
4129ed2744ee101e22aefc63e495ddb2b877ae33d4d8aa957992bad9ea46896256c2272597e6c82d6ad94dc6dea24af0e3e706bdaa0b76d0e158b002597feda3

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
214KB

MD5
415e87055596d88f1793be910abe60aa

SHA1
3182b59a3063df587987a6bc6f7e39c42c075e8f

SHA256
399e60f78e458f5e010da46a45c66ccf9b0fd30c128234a5dd9d9c9aa32ffa27

SHA512
4129ed2744ee101e22aefc63e495ddb2b877ae33d4d8aa957992bad9ea46896256c2272597e6c82d6ad94dc6dea24af0e3e706bdaa0b76d0e158b002597feda3

Download Submit
memory/468-20-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/468-29-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/468-26-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/468-25-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/468-23-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1884-19-0x0000000074E70000-0x0000000075620000-memory.dmp

Filesize
7.7MB

Download
memory/1884-24-0x0000000074E70000-0x0000000075620000-memory.dmp

Filesize
7.7MB

Download
memory/4884-8-0x0000000005130000-0x000000000515C000-memory.dmp

Filesize
176KB

Download
memory/4884-15-0x0000000074E70000-0x0000000075620000-memory.dmp

Filesize
7.7MB

Download
memory/4884-2-0x0000000004E50000-0x0000000004EEC000-memory.dmp

Filesize
624KB

Download
memory/4884-1-0x00000000003F0000-0x000000000042C000-memory.dmp

Filesize
240KB

Download
memory/4884-3-0x00000000054A0000-0x0000000005A44000-memory.dmp

Filesize
5.6MB

Download
memory/4884-0-0x0000000074E70000-0x0000000075620000-memory.dmp

Filesize
7.7MB

Download
memory/4884-9-0x0000000005280000-0x000000000529A000-memory.dmp

Filesize
104KB

Download
memory/4884-4-0x0000000004EF0000-0x0000000004F82000-memory.dmp

Filesize
584KB

Download
memory/4884-7-0x0000000074E70000-0x0000000075620000-memory.dmp

Filesize
7.7MB

Download
memory/4884-6-0x0000000004E40000-0x0000000004E4A000-memory.dmp

Filesize
40KB

Download
memory/4884-5-0x0000000004E00000-0x0000000004E10000-memory.dmp

Filesize
64KB

Download