gh0strat | 151f8b9d752982a9257195a0bd06e92849f9e5d580e23f366bce748b9316fb8f

General

Target

151f8b9d752982a9257195a0bd06e92849f9e5d580e23f366bce748b9316fb8f.exe
Size

375KB
MD5

e88e63d3fdae83a97a016e716ce82a3b
SHA1

5681dff71e6261b02b4394e09eea4f8fd965817c
SHA256

151f8b9d752982a9257195a0bd06e92849f9e5d580e23f366bce748b9316fb8f
SHA512

a5c3920ed602712386207340fbd0e83f3be5607f6b1658268b194b41726f3d6e512c95124468fea6732acab6383b88f5b1ef427cf045bf729b6a469142b3638f
SSDEEP

6144:mv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:m4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/4976-136-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4976-137-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4976-138-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4896-153-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/5036-154-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/5036-152-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/5036-157-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/5036-174-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1356-176-0x0000000010000000-0x0000000010362000-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
4896	SQLSerasi.exe
5036	SQLSerasi.exe
1356	SQLSerasi.exe
1224	SQLSerasi.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4976-132-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4976-136-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4976-137-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4976-138-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/5036-149-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4896-153-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/5036-154-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/5036-152-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/5036-157-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/5036-174-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1356-176-0x0000000010000000-0x0000000010362000-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	151f8b9d752982a9257195a0bd06e92849f9e5d580e23f366bce748b9316fb8f.exe

Drops file in System32 directory 4 IoCs

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

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	151f8b9d752982a9257195a0bd06e92849f9e5d580e23f366bce748b9316fb8f.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	151f8b9d752982a9257195a0bd06e92849f9e5d580e23f366bce748b9316fb8f.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
1020	5036	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 (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	4976	151f8b9d752982a9257195a0bd06e92849f9e5d580e23f366bce748b9316fb8f.exe
Token: SeDebugPrivilege	4896	SQLSerasi.exe
Token: SeDebugPrivilege	5036	SQLSerasi.exe
Token: SeDebugPrivilege	5036	SQLSerasi.exe
Token: SeDebugPrivilege	5036	SQLSerasi.exe
Token: SeDebugPrivilege	1356	SQLSerasi.exe
Token: SeDebugPrivilege	1224	SQLSerasi.exe
Token: SeDebugPrivilege	1356	SQLSerasi.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4976 wrote to memory of 4896	4976	151f8b9d752982a9257195a0bd06e92849f9e5d580e23f366bce748b9316fb8f.exe	84
PID 4976 wrote to memory of 4896	4976	151f8b9d752982a9257195a0bd06e92849f9e5d580e23f366bce748b9316fb8f.exe	84
PID 4976 wrote to memory of 4896	4976	151f8b9d752982a9257195a0bd06e92849f9e5d580e23f366bce748b9316fb8f.exe	84
PID 5036 wrote to memory of 1356	5036	SQLSerasi.exe	88
PID 5036 wrote to memory of 1356	5036	SQLSerasi.exe	88
PID 5036 wrote to memory of 1356	5036	SQLSerasi.exe	88
PID 5036 wrote to memory of 1224	5036	SQLSerasi.exe	86
PID 5036 wrote to memory of 1224	5036	SQLSerasi.exe	86
PID 5036 wrote to memory of 1224	5036	SQLSerasi.exe	86

C:\Users\Admin\AppData\Local\Temp\151f8b9d752982a9257195a0bd06e92849f9e5d580e23f366bce748b9316fb8f.exe
"C:\Users\Admin\AppData\Local\Temp\151f8b9d752982a9257195a0bd06e92849f9e5d580e23f366bce748b9316fb8f.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4976
- 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:4896

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:5036
- 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:1224
- 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:1356
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5036 -s 572
  2⤵
  - Program crash
  PID:1020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 5036 -ip 5036
1⤵
PID:1468

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
b5fdc7031148f1584a4ca6fb8b615bdb

SHA1
f2af6c79258b0079b40fef1d79773fc34ccd7860

SHA256
331b49b4061b2b69609ce60d948506f601f6bba104784e34a77d6f49ba5cbb3f

SHA512
3822a063f9136026ee7020271e289bad4bb375a85fbd6b41a13e3429ef226a3e0824f54430faf0159000e47b5b033f536e2ac0123e6654a4d3501e7016fe5d37

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

Filesize
39.4MB

MD5
b5fdc7031148f1584a4ca6fb8b615bdb

SHA1
f2af6c79258b0079b40fef1d79773fc34ccd7860

SHA256
331b49b4061b2b69609ce60d948506f601f6bba104784e34a77d6f49ba5cbb3f

SHA512
3822a063f9136026ee7020271e289bad4bb375a85fbd6b41a13e3429ef226a3e0824f54430faf0159000e47b5b033f536e2ac0123e6654a4d3501e7016fe5d37

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

Filesize
39.4MB

MD5
b5fdc7031148f1584a4ca6fb8b615bdb

SHA1
f2af6c79258b0079b40fef1d79773fc34ccd7860

SHA256
331b49b4061b2b69609ce60d948506f601f6bba104784e34a77d6f49ba5cbb3f

SHA512
3822a063f9136026ee7020271e289bad4bb375a85fbd6b41a13e3429ef226a3e0824f54430faf0159000e47b5b033f536e2ac0123e6654a4d3501e7016fe5d37

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

Filesize
39.4MB

MD5
b5fdc7031148f1584a4ca6fb8b615bdb

SHA1
f2af6c79258b0079b40fef1d79773fc34ccd7860

SHA256
331b49b4061b2b69609ce60d948506f601f6bba104784e34a77d6f49ba5cbb3f

SHA512
3822a063f9136026ee7020271e289bad4bb375a85fbd6b41a13e3429ef226a3e0824f54430faf0159000e47b5b033f536e2ac0123e6654a4d3501e7016fe5d37

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

Filesize
39.4MB

MD5
b5fdc7031148f1584a4ca6fb8b615bdb

SHA1
f2af6c79258b0079b40fef1d79773fc34ccd7860

SHA256
331b49b4061b2b69609ce60d948506f601f6bba104784e34a77d6f49ba5cbb3f

SHA512
3822a063f9136026ee7020271e289bad4bb375a85fbd6b41a13e3429ef226a3e0824f54430faf0159000e47b5b033f536e2ac0123e6654a4d3501e7016fe5d37

Download Submit
memory/1224-173-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1356-176-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1356-175-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4896-153-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4896-156-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4896-158-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4976-137-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4976-141-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4976-135-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4976-136-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4976-132-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4976-138-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/5036-154-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/5036-157-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/5036-155-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/5036-152-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/5036-174-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/5036-149-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads