gh0strat | b002b4dde8cf0072ea57106ec5cf5cfcfb609bc402110aad3fe81932a0b11ea4

General

Target

b002b4dde8cf0072ea57106ec5cf5cfcfb609bc402110aad3fe81932a0b11ea4.exe
Size

375KB
MD5

f7eaf22e0cd4d9cf78a36a46aec1a9ba
SHA1

3a0f1375f6eee9a29a12307245aae278213cfdd2
SHA256

b002b4dde8cf0072ea57106ec5cf5cfcfb609bc402110aad3fe81932a0b11ea4
SHA512

fcd9fe389d429ae5af4b81ddeef2bbb74099f3f9020f916dc32fd91a55020029062e7a3b92d73e007fc6063de95cdc45b54ccf01c66325690f5900bd9133098f
SSDEEP

6144:9v5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:94VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/1224-136-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1224-137-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1224-138-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3748-152-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3748-153-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1832-155-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1832-154-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3748-158-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2112-175-0x0000000010000000-0x0000000010362000-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
1832	SQLSerasi.exe
3748	SQLSerasi.exe
2112	SQLSerasi.exe
3848	SQLSerasi.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1224-133-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1224-136-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1224-137-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1224-138-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3748-149-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3748-152-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3748-153-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1832-154-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3748-158-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2112-175-0x0000000010000000-0x0000000010362000-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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	b002b4dde8cf0072ea57106ec5cf5cfcfb609bc402110aad3fe81932a0b11ea4.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	b002b4dde8cf0072ea57106ec5cf5cfcfb609bc402110aad3fe81932a0b11ea4.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	b002b4dde8cf0072ea57106ec5cf5cfcfb609bc402110aad3fe81932a0b11ea4.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
3772	3748	WerFault.exe	85

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\0	SQLSerasi.exe
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

Modifies data under HKEY_USERS 8 IoCs

description	ioc	Process
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
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

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1224	b002b4dde8cf0072ea57106ec5cf5cfcfb609bc402110aad3fe81932a0b11ea4.exe
Token: SeDebugPrivilege	1832	SQLSerasi.exe
Token: SeDebugPrivilege	3748	SQLSerasi.exe
Token: SeDebugPrivilege	3748	SQLSerasi.exe
Token: SeDebugPrivilege	3748	SQLSerasi.exe
Token: SeDebugPrivilege	2112	SQLSerasi.exe
Token: SeDebugPrivilege	3848	SQLSerasi.exe
Token: SeDebugPrivilege	2112	SQLSerasi.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1224 wrote to memory of 1832	1224	b002b4dde8cf0072ea57106ec5cf5cfcfb609bc402110aad3fe81932a0b11ea4.exe	84
PID 1224 wrote to memory of 1832	1224	b002b4dde8cf0072ea57106ec5cf5cfcfb609bc402110aad3fe81932a0b11ea4.exe	84
PID 1224 wrote to memory of 1832	1224	b002b4dde8cf0072ea57106ec5cf5cfcfb609bc402110aad3fe81932a0b11ea4.exe	84
PID 3748 wrote to memory of 2112	3748	SQLSerasi.exe	88
PID 3748 wrote to memory of 2112	3748	SQLSerasi.exe	88
PID 3748 wrote to memory of 2112	3748	SQLSerasi.exe	88
PID 3748 wrote to memory of 3848	3748	SQLSerasi.exe	89
PID 3748 wrote to memory of 3848	3748	SQLSerasi.exe	89
PID 3748 wrote to memory of 3848	3748	SQLSerasi.exe	89

C:\Users\Admin\AppData\Local\Temp\b002b4dde8cf0072ea57106ec5cf5cfcfb609bc402110aad3fe81932a0b11ea4.exe
"C:\Users\Admin\AppData\Local\Temp\b002b4dde8cf0072ea57106ec5cf5cfcfb609bc402110aad3fe81932a0b11ea4.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1224
- 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:1832

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:3748
- 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:2112
- 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:3848
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 628
  2⤵
  - Program crash
  PID:3772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3748 -ip 3748
1⤵
PID:4408

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
593d8d20071bfcae554b035f026e7867

SHA1
6dc92ab870e8b9b0d74471239bad27bf2c0be619

SHA256
127d4a175be2a30c687fc24a5c8dbecbbec8d8540a1f4a1a5fe8ed455ff2d4ff

SHA512
6ebb77331f568822e7a8aa61a6f212cb3d50e4cb73929164d0dcd60dfef71bd8f79cd8d505b0fe1af4c97fb6a98ba0d48e2edda4c0de067754bccca3a2c7e29d

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

Filesize
39.4MB

MD5
593d8d20071bfcae554b035f026e7867

SHA1
6dc92ab870e8b9b0d74471239bad27bf2c0be619

SHA256
127d4a175be2a30c687fc24a5c8dbecbbec8d8540a1f4a1a5fe8ed455ff2d4ff

SHA512
6ebb77331f568822e7a8aa61a6f212cb3d50e4cb73929164d0dcd60dfef71bd8f79cd8d505b0fe1af4c97fb6a98ba0d48e2edda4c0de067754bccca3a2c7e29d

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

Filesize
39.4MB

MD5
593d8d20071bfcae554b035f026e7867

SHA1
6dc92ab870e8b9b0d74471239bad27bf2c0be619

SHA256
127d4a175be2a30c687fc24a5c8dbecbbec8d8540a1f4a1a5fe8ed455ff2d4ff

SHA512
6ebb77331f568822e7a8aa61a6f212cb3d50e4cb73929164d0dcd60dfef71bd8f79cd8d505b0fe1af4c97fb6a98ba0d48e2edda4c0de067754bccca3a2c7e29d

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

Filesize
39.4MB

MD5
593d8d20071bfcae554b035f026e7867

SHA1
6dc92ab870e8b9b0d74471239bad27bf2c0be619

SHA256
127d4a175be2a30c687fc24a5c8dbecbbec8d8540a1f4a1a5fe8ed455ff2d4ff

SHA512
6ebb77331f568822e7a8aa61a6f212cb3d50e4cb73929164d0dcd60dfef71bd8f79cd8d505b0fe1af4c97fb6a98ba0d48e2edda4c0de067754bccca3a2c7e29d

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

Filesize
39.4MB

MD5
593d8d20071bfcae554b035f026e7867

SHA1
6dc92ab870e8b9b0d74471239bad27bf2c0be619

SHA256
127d4a175be2a30c687fc24a5c8dbecbbec8d8540a1f4a1a5fe8ed455ff2d4ff

SHA512
6ebb77331f568822e7a8aa61a6f212cb3d50e4cb73929164d0dcd60dfef71bd8f79cd8d505b0fe1af4c97fb6a98ba0d48e2edda4c0de067754bccca3a2c7e29d

Download Submit
memory/1224-137-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1224-142-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1224-138-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1224-136-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1224-133-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1224-132-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1832-156-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1832-155-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1832-154-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2112-173-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2112-175-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3748-158-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3748-157-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3748-153-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3748-152-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3748-149-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3848-174-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads