gh0strat | f2b6c63adc675c2a07ba982e1fa07564981663ffe6400814ba2e491edcf21e97

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
15/06/2023, 04:02

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General

Target

tmp.exe
Size

825KB
MD5

c39c3dfd2fa7b3f2ec04ad691e4e1653
SHA1

68289a19b9a8aa584091a7fd7584e5c5f2c503c2
SHA256

f2b6c63adc675c2a07ba982e1fa07564981663ffe6400814ba2e491edcf21e97
SHA512

3bdb72e8e39be03014063d972b48cdb7ea5d821ff4d4adab64592c9d580952c4574d55b37d347a4ea79e3e4693ebed63db31857211dc922ceaf01b8febc13042
SSDEEP

12288:BMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9/UJqxj:BnsJ39LyjbJkQFMhmC+6GD9MJqZ

Score

10^/10

gh0strat persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral2/memory/5092-330-0x0000000010000000-0x000000001034B000-memory.dmp	family_gh0strat
behavioral2/memory/5092-331-0x0000000010000000-0x000000001034B000-memory.dmp	family_gh0strat
behavioral2/memory/3340-400-0x0000000010000000-0x000000001034B000-memory.dmp	family_gh0strat
behavioral2/memory/3340-401-0x0000000010000000-0x000000001034B000-memory.dmp	family_gh0strat
behavioral2/memory/3416-415-0x0000000010000000-0x000000001034B000-memory.dmp	family_gh0strat
behavioral2/memory/3416-417-0x0000000010000000-0x000000001034B000-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 4 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-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	tmp.exe
Key value queried	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	Synaptics.exe
Key value queried	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	._cache_tmp.exe
Key value queried	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	._cache_Synaptics.exe

Executes dropped EXE 8 IoCs

pid	Process
5092	._cache_tmp.exe
1764	Synaptics.exe
2292	._cache_Synaptics.exe
992	ETA-AntiCheat.exe
3340	ETA-AntiCheat.exe
3540	ETA-AntiCheat.exe
4408	ETA-AntiCheat.exe
3416	ETA-AntiCheat.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5092-327-0x0000000010000000-0x000000001034B000-memory.dmp	upx
behavioral2/memory/5092-330-0x0000000010000000-0x000000001034B000-memory.dmp	upx
behavioral2/memory/5092-331-0x0000000010000000-0x000000001034B000-memory.dmp	upx
behavioral2/memory/3340-397-0x0000000010000000-0x000000001034B000-memory.dmp	upx
behavioral2/memory/3340-400-0x0000000010000000-0x000000001034B000-memory.dmp	upx
behavioral2/memory/3340-401-0x0000000010000000-0x000000001034B000-memory.dmp	upx
behavioral2/memory/3416-415-0x0000000010000000-0x000000001034B000-memory.dmp	upx
behavioral2/memory/3416-417-0x0000000010000000-0x000000001034B000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	tmp.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files\AppPatch\1.dll	._cache_tmp.exe
File opened for modification	C:\Program Files\AppPatch\1.dll	._cache_tmp.exe
File created	C:\Program Files\AppPatch\1.dll	._cache_Synaptics.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\ETA-AntiCheat.exe	._cache_tmp.exe
File opened for modification	C:\Windows\ETA-AntiCheat.exe	._cache_tmp.exe
File opened for modification	C:\Windows\ETA-AntiCheat.exe	._cache_Synaptics.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3720	3340	WerFault.exe	89

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	ETA-AntiCheat.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	ETA-AntiCheat.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum	ETA-AntiCheat.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	ETA-AntiCheat.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	ETA-AntiCheat.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie	ETA-AntiCheat.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7"	ETA-AntiCheat.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	._cache_Synaptics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	tmp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	._cache_tmp.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	5092	._cache_tmp.exe
Token: SeDebugPrivilege	2292	._cache_Synaptics.exe
Token: SeDebugPrivilege	992	ETA-AntiCheat.exe
Token: SeDebugPrivilege	3340	ETA-AntiCheat.exe
Token: SeDebugPrivilege	3340	ETA-AntiCheat.exe
Token: SeDebugPrivilege	3340	ETA-AntiCheat.exe
Token: SeDebugPrivilege	3540	ETA-AntiCheat.exe
Token: SeDebugPrivilege	4408	ETA-AntiCheat.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 5092	2028	tmp.exe	85
PID 2028 wrote to memory of 5092	2028	tmp.exe	85
PID 2028 wrote to memory of 5092	2028	tmp.exe	85
PID 2028 wrote to memory of 1764	2028	tmp.exe	86
PID 2028 wrote to memory of 1764	2028	tmp.exe	86
PID 2028 wrote to memory of 1764	2028	tmp.exe	86
PID 1764 wrote to memory of 2292	1764	Synaptics.exe	87
PID 1764 wrote to memory of 2292	1764	Synaptics.exe	87
PID 1764 wrote to memory of 2292	1764	Synaptics.exe	87
PID 5092 wrote to memory of 992	5092	._cache_tmp.exe	88
PID 5092 wrote to memory of 992	5092	._cache_tmp.exe	88
PID 5092 wrote to memory of 992	5092	._cache_tmp.exe	88
PID 2292 wrote to memory of 3540	2292	._cache_Synaptics.exe	92
PID 2292 wrote to memory of 3540	2292	._cache_Synaptics.exe	92
PID 2292 wrote to memory of 3540	2292	._cache_Synaptics.exe	92
PID 3340 wrote to memory of 4408	3340	ETA-AntiCheat.exe	94
PID 3340 wrote to memory of 4408	3340	ETA-AntiCheat.exe	94
PID 3340 wrote to memory of 4408	3340	ETA-AntiCheat.exe	94
PID 3340 wrote to memory of 3416	3340	ETA-AntiCheat.exe	93
PID 3340 wrote to memory of 3416	3340	ETA-AntiCheat.exe	93
PID 3340 wrote to memory of 3416	3340	ETA-AntiCheat.exe	93

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Users\Admin\AppData\Local\Temp\._cache_tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_tmp.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5092
- - C:\Windows\ETA-AntiCheat.exe
    "C:\Windows\ETA-AntiCheat.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:992
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1764
- - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Drops file in Program Files directory
    - Drops file in Windows directory
    - Modifies registry class
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2292
  - - C:\Windows\ETA-AntiCheat.exe
      "C:\Windows\ETA-AntiCheat.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      PID:3540

C:\Windows\ETA-AntiCheat.exe
C:\Windows\ETA-AntiCheat.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3340
- C:\Windows\ETA-AntiCheat.exe
  C:\Windows\ETA-AntiCheat.exe
  2⤵
  - Executes dropped EXE
  - Checks processor information in registry
  - Modifies data under HKEY_USERS
  PID:3416
- C:\Windows\ETA-AntiCheat.exe
  C:\Windows\ETA-AntiCheat.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:4408
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3340 -s 568
  2⤵
  - Program crash
  PID:3720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 3340 -ip 3340
1⤵
PID:1516

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\AppPatch\1.dll

Filesize
239KB

MD5
8c19d83ff359a1b77cb06939c2e5f0cb

SHA1
a01a199e6f6f3e84cef5c7e6251a2b1291217885

SHA256
7baee22c9834bef64f0c1b7f5988d9717855942d87c82f019606d07589bc51a9

SHA512
b241c7b0f6372483faf4630e82d7f609e8450bac17cedaeb8fc7db8157ec5363e153f5cab5188eee6d8b27b366656877d4421122c8e26a0a739b6c5308bde381

Download Submit
C:\ProgramData\Synaptics\Synaptics.exe

Filesize
825KB

MD5
c39c3dfd2fa7b3f2ec04ad691e4e1653

SHA1
68289a19b9a8aa584091a7fd7584e5c5f2c503c2

SHA256
f2b6c63adc675c2a07ba982e1fa07564981663ffe6400814ba2e491edcf21e97

SHA512
3bdb72e8e39be03014063d972b48cdb7ea5d821ff4d4adab64592c9d580952c4574d55b37d347a4ea79e3e4693ebed63db31857211dc922ceaf01b8febc13042

Download Submit
C:\ProgramData\Synaptics\Synaptics.exe

Filesize
825KB

MD5
c39c3dfd2fa7b3f2ec04ad691e4e1653

SHA1
68289a19b9a8aa584091a7fd7584e5c5f2c503c2

SHA256
f2b6c63adc675c2a07ba982e1fa07564981663ffe6400814ba2e491edcf21e97

SHA512
3bdb72e8e39be03014063d972b48cdb7ea5d821ff4d4adab64592c9d580952c4574d55b37d347a4ea79e3e4693ebed63db31857211dc922ceaf01b8febc13042

Download Submit
C:\ProgramData\Synaptics\Synaptics.exe

Filesize
825KB

MD5
c39c3dfd2fa7b3f2ec04ad691e4e1653

SHA1
68289a19b9a8aa584091a7fd7584e5c5f2c503c2

SHA256
f2b6c63adc675c2a07ba982e1fa07564981663ffe6400814ba2e491edcf21e97

SHA512
3bdb72e8e39be03014063d972b48cdb7ea5d821ff4d4adab64592c9d580952c4574d55b37d347a4ea79e3e4693ebed63db31857211dc922ceaf01b8febc13042

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe

Filesize
72KB

MD5
acf57b0c0b7ec27e1953917259ce0e59

SHA1
6a342a9d4f86e8312602997c7fb9784f9c6f9de3

SHA256
ad5800b93ddc83cecc75e88358bcfc0602841814e205fd798733569c6756da39

SHA512
7b265b1c40d615b706b931ea86fdf28de32cc5312b362b837e56cf3f70a06810425865e2b2dff0df85fde493042e5cac910fd5118e2c8461e49d16d1a451f2da

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe

Filesize
72KB

MD5
acf57b0c0b7ec27e1953917259ce0e59

SHA1
6a342a9d4f86e8312602997c7fb9784f9c6f9de3

SHA256
ad5800b93ddc83cecc75e88358bcfc0602841814e205fd798733569c6756da39

SHA512
7b265b1c40d615b706b931ea86fdf28de32cc5312b362b837e56cf3f70a06810425865e2b2dff0df85fde493042e5cac910fd5118e2c8461e49d16d1a451f2da

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_tmp.exe

Filesize
72KB

MD5
acf57b0c0b7ec27e1953917259ce0e59

SHA1
6a342a9d4f86e8312602997c7fb9784f9c6f9de3

SHA256
ad5800b93ddc83cecc75e88358bcfc0602841814e205fd798733569c6756da39

SHA512
7b265b1c40d615b706b931ea86fdf28de32cc5312b362b837e56cf3f70a06810425865e2b2dff0df85fde493042e5cac910fd5118e2c8461e49d16d1a451f2da

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_tmp.exe

Filesize
72KB

MD5
acf57b0c0b7ec27e1953917259ce0e59

SHA1
6a342a9d4f86e8312602997c7fb9784f9c6f9de3

SHA256
ad5800b93ddc83cecc75e88358bcfc0602841814e205fd798733569c6756da39

SHA512
7b265b1c40d615b706b931ea86fdf28de32cc5312b362b837e56cf3f70a06810425865e2b2dff0df85fde493042e5cac910fd5118e2c8461e49d16d1a451f2da

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_tmp.exe

Filesize
72KB

MD5
acf57b0c0b7ec27e1953917259ce0e59

SHA1
6a342a9d4f86e8312602997c7fb9784f9c6f9de3

SHA256
ad5800b93ddc83cecc75e88358bcfc0602841814e205fd798733569c6756da39

SHA512
7b265b1c40d615b706b931ea86fdf28de32cc5312b362b837e56cf3f70a06810425865e2b2dff0df85fde493042e5cac910fd5118e2c8461e49d16d1a451f2da

Download Submit
C:\Windows\ETA-AntiCheat.exe

Filesize
72KB

MD5
acf57b0c0b7ec27e1953917259ce0e59

SHA1
6a342a9d4f86e8312602997c7fb9784f9c6f9de3

SHA256
ad5800b93ddc83cecc75e88358bcfc0602841814e205fd798733569c6756da39

SHA512
7b265b1c40d615b706b931ea86fdf28de32cc5312b362b837e56cf3f70a06810425865e2b2dff0df85fde493042e5cac910fd5118e2c8461e49d16d1a451f2da

Download Submit
C:\Windows\ETA-AntiCheat.exe

Filesize
72KB

MD5
acf57b0c0b7ec27e1953917259ce0e59

SHA1
6a342a9d4f86e8312602997c7fb9784f9c6f9de3

SHA256
ad5800b93ddc83cecc75e88358bcfc0602841814e205fd798733569c6756da39

SHA512
7b265b1c40d615b706b931ea86fdf28de32cc5312b362b837e56cf3f70a06810425865e2b2dff0df85fde493042e5cac910fd5118e2c8461e49d16d1a451f2da

Download Submit
C:\Windows\ETA-AntiCheat.exe

Filesize
72KB

MD5
acf57b0c0b7ec27e1953917259ce0e59

SHA1
6a342a9d4f86e8312602997c7fb9784f9c6f9de3

SHA256
ad5800b93ddc83cecc75e88358bcfc0602841814e205fd798733569c6756da39

SHA512
7b265b1c40d615b706b931ea86fdf28de32cc5312b362b837e56cf3f70a06810425865e2b2dff0df85fde493042e5cac910fd5118e2c8461e49d16d1a451f2da

Download Submit
C:\Windows\ETA-AntiCheat.exe

Filesize
72KB

MD5
acf57b0c0b7ec27e1953917259ce0e59

SHA1
6a342a9d4f86e8312602997c7fb9784f9c6f9de3

SHA256
ad5800b93ddc83cecc75e88358bcfc0602841814e205fd798733569c6756da39

SHA512
7b265b1c40d615b706b931ea86fdf28de32cc5312b362b837e56cf3f70a06810425865e2b2dff0df85fde493042e5cac910fd5118e2c8461e49d16d1a451f2da

Download Submit
C:\Windows\ETA-AntiCheat.exe

Filesize
72KB

MD5
acf57b0c0b7ec27e1953917259ce0e59

SHA1
6a342a9d4f86e8312602997c7fb9784f9c6f9de3

SHA256
ad5800b93ddc83cecc75e88358bcfc0602841814e205fd798733569c6756da39

SHA512
7b265b1c40d615b706b931ea86fdf28de32cc5312b362b837e56cf3f70a06810425865e2b2dff0df85fde493042e5cac910fd5118e2c8461e49d16d1a451f2da

Download Submit
C:\Windows\ETA-AntiCheat.exe

Filesize
72KB

MD5
acf57b0c0b7ec27e1953917259ce0e59

SHA1
6a342a9d4f86e8312602997c7fb9784f9c6f9de3

SHA256
ad5800b93ddc83cecc75e88358bcfc0602841814e205fd798733569c6756da39

SHA512
7b265b1c40d615b706b931ea86fdf28de32cc5312b362b837e56cf3f70a06810425865e2b2dff0df85fde493042e5cac910fd5118e2c8461e49d16d1a451f2da

Download Submit
C:\Windows\ETA-AntiCheat.exe

Filesize
72KB

MD5
acf57b0c0b7ec27e1953917259ce0e59

SHA1
6a342a9d4f86e8312602997c7fb9784f9c6f9de3

SHA256
ad5800b93ddc83cecc75e88358bcfc0602841814e205fd798733569c6756da39

SHA512
7b265b1c40d615b706b931ea86fdf28de32cc5312b362b837e56cf3f70a06810425865e2b2dff0df85fde493042e5cac910fd5118e2c8461e49d16d1a451f2da

Download Submit
memory/1764-312-0x0000000002130000-0x0000000002131000-memory.dmp

Filesize
4KB

Download
memory/1764-447-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/1764-419-0x0000000002130000-0x0000000002131000-memory.dmp

Filesize
4KB

Download
memory/1764-418-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/2028-165-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/2028-261-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/3340-401-0x0000000010000000-0x000000001034B000-memory.dmp

Filesize
3.3MB

Download
memory/3340-400-0x0000000010000000-0x000000001034B000-memory.dmp

Filesize
3.3MB

Download
memory/3340-397-0x0000000010000000-0x000000001034B000-memory.dmp

Filesize
3.3MB

Download
memory/3416-415-0x0000000010000000-0x000000001034B000-memory.dmp

Filesize
3.3MB

Download
memory/3416-416-0x0000000073260000-0x0000000073299000-memory.dmp

Filesize
228KB

Download
memory/3416-417-0x0000000010000000-0x000000001034B000-memory.dmp

Filesize
3.3MB

Download
memory/3416-451-0x0000000073260000-0x0000000073299000-memory.dmp

Filesize
228KB

Download
memory/5092-331-0x0000000010000000-0x000000001034B000-memory.dmp

Filesize
3.3MB

Download
memory/5092-327-0x0000000010000000-0x000000001034B000-memory.dmp

Filesize
3.3MB

Download
memory/5092-330-0x0000000010000000-0x000000001034B000-memory.dmp

Filesize
3.3MB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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