gh0strat | 9f18b7105df6cd2c31995ba0eecdc9e8edec0aaafe70bc283eb98c32bce9d1cb

General

Target

9f18b7105df6cd2c31995ba0eecdc9e8edec0aaafe70bc283eb98c32bce9d1cb.exe
Size

375KB
MD5

aa901de8af4d8401092c3e8c9798fd0c
SHA1

dbed6973dab8c994a83fcbb5e536b4363d5f5803
SHA256

9f18b7105df6cd2c31995ba0eecdc9e8edec0aaafe70bc283eb98c32bce9d1cb
SHA512

069c9b1242fd8468b379557f86e035c0d4c53f6f99762a0abeab8f73a0ea5f112ee76b1e02c380543ee4dac2771fc9251bdc150743e802578a2e95d9385c624a
SSDEEP

6144:r4v5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:s4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral1/memory/3048-136-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3048-137-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3048-138-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/5016-152-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/5016-150-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4540-155-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4540-156-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4540-159-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/176-176-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/216-178-0x0000000010000000-0x0000000010362000-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
5016	SQLSerasi.exe
4540	SQLSerasi.exe
176	SQLSerasi.exe
216	SQLSerasi.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3048-132-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3048-136-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3048-137-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3048-138-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/5016-152-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/5016-150-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4540-149-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4540-155-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4540-156-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4540-159-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/216-178-0x0000000010000000-0x0000000010362000-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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	9f18b7105df6cd2c31995ba0eecdc9e8edec0aaafe70bc283eb98c32bce9d1cb.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
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
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

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	9f18b7105df6cd2c31995ba0eecdc9e8edec0aaafe70bc283eb98c32bce9d1cb.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	9f18b7105df6cd2c31995ba0eecdc9e8edec0aaafe70bc283eb98c32bce9d1cb.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
524	4540	WerFault.exe	84

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 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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	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\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
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

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	3048	9f18b7105df6cd2c31995ba0eecdc9e8edec0aaafe70bc283eb98c32bce9d1cb.exe
Token: SeDebugPrivilege	5016	SQLSerasi.exe
Token: SeDebugPrivilege	4540	SQLSerasi.exe
Token: SeDebugPrivilege	4540	SQLSerasi.exe
Token: SeDebugPrivilege	4540	SQLSerasi.exe
Token: SeDebugPrivilege	176	SQLSerasi.exe
Token: SeDebugPrivilege	216	SQLSerasi.exe
Token: SeDebugPrivilege	216	SQLSerasi.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 5016	3048	9f18b7105df6cd2c31995ba0eecdc9e8edec0aaafe70bc283eb98c32bce9d1cb.exe	83
PID 3048 wrote to memory of 5016	3048	9f18b7105df6cd2c31995ba0eecdc9e8edec0aaafe70bc283eb98c32bce9d1cb.exe	83
PID 3048 wrote to memory of 5016	3048	9f18b7105df6cd2c31995ba0eecdc9e8edec0aaafe70bc283eb98c32bce9d1cb.exe	83
PID 4540 wrote to memory of 176	4540	SQLSerasi.exe	87
PID 4540 wrote to memory of 176	4540	SQLSerasi.exe	87
PID 4540 wrote to memory of 176	4540	SQLSerasi.exe	87
PID 4540 wrote to memory of 216	4540	SQLSerasi.exe	86
PID 4540 wrote to memory of 216	4540	SQLSerasi.exe	86
PID 4540 wrote to memory of 216	4540	SQLSerasi.exe	86

C:\Users\Admin\AppData\Local\Temp\9f18b7105df6cd2c31995ba0eecdc9e8edec0aaafe70bc283eb98c32bce9d1cb.exe
"C:\Users\Admin\AppData\Local\Temp\9f18b7105df6cd2c31995ba0eecdc9e8edec0aaafe70bc283eb98c32bce9d1cb.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3048
- 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:5016

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:4540
- 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:216
- 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:176
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4540 -s 644
  2⤵
  - Program crash
  PID:524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4540 -ip 4540
1⤵
PID:1712

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

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Downloads

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

Filesize
39.4MB

MD5
7cea0993c59ad0919ad51f05db20d42b

SHA1
7a9c0ba5a60be48af9c53bf4a82910e6fa10ac08

SHA256
eb351764411c913503ec24eb2316b4684739f7f8c42b861bde33610281eafe46

SHA512
e19182166ac16b8de587928e967f88cc832016f5dc840edaf171269dcb0e43e7f66551feaf1a4d17b4f6e1cce8ceaf1ad94a4b8c88e203ef267519801ae88e43

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

Filesize
39.4MB

MD5
7cea0993c59ad0919ad51f05db20d42b

SHA1
7a9c0ba5a60be48af9c53bf4a82910e6fa10ac08

SHA256
eb351764411c913503ec24eb2316b4684739f7f8c42b861bde33610281eafe46

SHA512
e19182166ac16b8de587928e967f88cc832016f5dc840edaf171269dcb0e43e7f66551feaf1a4d17b4f6e1cce8ceaf1ad94a4b8c88e203ef267519801ae88e43

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

Filesize
39.4MB

MD5
7cea0993c59ad0919ad51f05db20d42b

SHA1
7a9c0ba5a60be48af9c53bf4a82910e6fa10ac08

SHA256
eb351764411c913503ec24eb2316b4684739f7f8c42b861bde33610281eafe46

SHA512
e19182166ac16b8de587928e967f88cc832016f5dc840edaf171269dcb0e43e7f66551feaf1a4d17b4f6e1cce8ceaf1ad94a4b8c88e203ef267519801ae88e43

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

Filesize
39.4MB

MD5
7cea0993c59ad0919ad51f05db20d42b

SHA1
7a9c0ba5a60be48af9c53bf4a82910e6fa10ac08

SHA256
eb351764411c913503ec24eb2316b4684739f7f8c42b861bde33610281eafe46

SHA512
e19182166ac16b8de587928e967f88cc832016f5dc840edaf171269dcb0e43e7f66551feaf1a4d17b4f6e1cce8ceaf1ad94a4b8c88e203ef267519801ae88e43

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

Filesize
39.4MB

MD5
7cea0993c59ad0919ad51f05db20d42b

SHA1
7a9c0ba5a60be48af9c53bf4a82910e6fa10ac08

SHA256
eb351764411c913503ec24eb2316b4684739f7f8c42b861bde33610281eafe46

SHA512
e19182166ac16b8de587928e967f88cc832016f5dc840edaf171269dcb0e43e7f66551feaf1a4d17b4f6e1cce8ceaf1ad94a4b8c88e203ef267519801ae88e43

Download Submit
memory/176-177-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

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

Filesize
3.4MB

Download
memory/176-174-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/216-175-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/216-178-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3048-142-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3048-134-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3048-136-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3048-137-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3048-132-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3048-138-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4540-155-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4540-159-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4540-157-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4540-156-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4540-149-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/5016-158-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/5016-152-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/5016-150-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/5016-154-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads