gh0strat | 28c4083a9a96915103b28014fff927b1f02877d918c5580e52d792472a5a9c5d

General

Target

28c4083a9a96915103b28014fff927b1f02877d918c5580e52d792472a5a9c5d.exe
Size

375KB
MD5

c6009dfea58b71029a2639ce96c50457
SHA1

b66f315f6bb744bdfe59999cfd2951af20731dc2
SHA256

28c4083a9a96915103b28014fff927b1f02877d918c5580e52d792472a5a9c5d
SHA512

35ed6e113790e9a433d092defaae15977d8927cc9aa7b25e12da7ce7099e59b6aff36c0b32c4a4b5ecb8894a49ef5b51820852caf91e693460fc9d9228f4360f
SSDEEP

6144:/v5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:/4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral1/memory/3344-137-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3344-136-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3344-138-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2840-148-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2368-154-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2368-155-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2368-159-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/856-175-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/432-176-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/856-177-0x0000000010000000-0x0000000010362000-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 4 IoCs

pid	Process
2840	SQLSerasi.exe
2368	SQLSerasi.exe
432	SQLSerasi.exe
856	SQLSerasi.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3344-133-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3344-137-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3344-136-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3344-138-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2840-148-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2368-151-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2368-154-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2368-155-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2368-159-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/856-175-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/432-176-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/856-177-0x0000000010000000-0x0000000010362000-memory.dmp	upx

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	28c4083a9a96915103b28014fff927b1f02877d918c5580e52d792472a5a9c5d.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	SQLSerasi.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	SQLSerasi.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	SQLSerasi.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	SQLSerasi.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	28c4083a9a96915103b28014fff927b1f02877d918c5580e52d792472a5a9c5d.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	28c4083a9a96915103b28014fff927b1f02877d918c5580e52d792472a5a9c5d.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
948	2368	WerFault.exe	86

Checks processor information in registry 2 TTPs 5 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	SQLSerasi.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	SQLSerasi.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString	SQLSerasi.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\2	SQLSerasi.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	SQLSerasi.exe

Modifies data under HKEY_USERS 8 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	SQLSerasi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	SQLSerasi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	SQLSerasi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	SQLSerasi.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	SQLSerasi.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	SQLSerasi.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	SQLSerasi.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	SQLSerasi.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	3344	28c4083a9a96915103b28014fff927b1f02877d918c5580e52d792472a5a9c5d.exe
Token: SeDebugPrivilege	2840	SQLSerasi.exe
Token: SeDebugPrivilege	2368	SQLSerasi.exe
Token: SeDebugPrivilege	2368	SQLSerasi.exe
Token: SeDebugPrivilege	2368	SQLSerasi.exe
Token: SeDebugPrivilege	856	SQLSerasi.exe
Token: SeDebugPrivilege	432	SQLSerasi.exe
Token: SeDebugPrivilege	856	SQLSerasi.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3344 wrote to memory of 2840	3344	28c4083a9a96915103b28014fff927b1f02877d918c5580e52d792472a5a9c5d.exe	85
PID 3344 wrote to memory of 2840	3344	28c4083a9a96915103b28014fff927b1f02877d918c5580e52d792472a5a9c5d.exe	85
PID 3344 wrote to memory of 2840	3344	28c4083a9a96915103b28014fff927b1f02877d918c5580e52d792472a5a9c5d.exe	85
PID 2368 wrote to memory of 432	2368	SQLSerasi.exe	89
PID 2368 wrote to memory of 432	2368	SQLSerasi.exe	89
PID 2368 wrote to memory of 432	2368	SQLSerasi.exe	89
PID 2368 wrote to memory of 856	2368	SQLSerasi.exe	87
PID 2368 wrote to memory of 856	2368	SQLSerasi.exe	87
PID 2368 wrote to memory of 856	2368	SQLSerasi.exe	87

C:\Users\Admin\AppData\Local\Temp\28c4083a9a96915103b28014fff927b1f02877d918c5580e52d792472a5a9c5d.exe
"C:\Users\Admin\AppData\Local\Temp\28c4083a9a96915103b28014fff927b1f02877d918c5580e52d792472a5a9c5d.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3344
- C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
  "C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2840

C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
"C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
  "C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Checks processor information in registry
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:856
- C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
  "C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:432
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2368 -s 576
  2⤵
  - Program crash
  PID:948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2368 -ip 2368
1⤵
PID:3492

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe

Filesize
39.4MB

MD5
b29659258444736c405c96c7f587a39d

SHA1
766414cc23f000519e5fe1c97b738d84c974b214

SHA256
9461eeacd78a031f78ef5127a0cb4e1b220a663473018a43dadafd37905633ef

SHA512
3c6f4732b73cd681fd22f487ec83403e0751a80c1fc3ef03a639d0a46f3aa8975524e2c204191423b020a3c1e5de6f38cc454ee4d3cf0692852fef80c8274a1c

Download Submit
C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe

Filesize
39.4MB

MD5
b29659258444736c405c96c7f587a39d

SHA1
766414cc23f000519e5fe1c97b738d84c974b214

SHA256
9461eeacd78a031f78ef5127a0cb4e1b220a663473018a43dadafd37905633ef

SHA512
3c6f4732b73cd681fd22f487ec83403e0751a80c1fc3ef03a639d0a46f3aa8975524e2c204191423b020a3c1e5de6f38cc454ee4d3cf0692852fef80c8274a1c

Download Submit
C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe

Filesize
39.4MB

MD5
b29659258444736c405c96c7f587a39d

SHA1
766414cc23f000519e5fe1c97b738d84c974b214

SHA256
9461eeacd78a031f78ef5127a0cb4e1b220a663473018a43dadafd37905633ef

SHA512
3c6f4732b73cd681fd22f487ec83403e0751a80c1fc3ef03a639d0a46f3aa8975524e2c204191423b020a3c1e5de6f38cc454ee4d3cf0692852fef80c8274a1c

Download Submit
C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe

Filesize
39.4MB

MD5
b29659258444736c405c96c7f587a39d

SHA1
766414cc23f000519e5fe1c97b738d84c974b214

SHA256
9461eeacd78a031f78ef5127a0cb4e1b220a663473018a43dadafd37905633ef

SHA512
3c6f4732b73cd681fd22f487ec83403e0751a80c1fc3ef03a639d0a46f3aa8975524e2c204191423b020a3c1e5de6f38cc454ee4d3cf0692852fef80c8274a1c

Download Submit
C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe

Filesize
39.4MB

MD5
b29659258444736c405c96c7f587a39d

SHA1
766414cc23f000519e5fe1c97b738d84c974b214

SHA256
9461eeacd78a031f78ef5127a0cb4e1b220a663473018a43dadafd37905633ef

SHA512
3c6f4732b73cd681fd22f487ec83403e0751a80c1fc3ef03a639d0a46f3aa8975524e2c204191423b020a3c1e5de6f38cc454ee4d3cf0692852fef80c8274a1c

Download Submit
memory/432-176-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/432-173-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/432-158-0x0000000000000000-mapping.dmp

Download
memory/432-178-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/856-174-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/856-175-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/856-160-0x0000000000000000-mapping.dmp

Download
memory/856-177-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2368-155-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2368-151-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2368-157-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2368-159-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2368-154-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2840-148-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2840-150-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2840-156-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2840-139-0x0000000000000000-mapping.dmp

Download
memory/3344-132-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3344-142-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3344-138-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3344-136-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3344-137-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3344-133-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads