gh0strat | 3582786dea00efb49bc3c0d0b78126924b4f7e93c7291295924772f995192924

General

Target

3582786dea00efb49bc3c0d0b78126924b4f7e93c7291295924772f995192924.exe
Size

375KB
MD5

dd75dc677619c805a18b99c041b35c45
SHA1

47f79998650a4ed25185ebd06b27097a7a143e4e
SHA256

3582786dea00efb49bc3c0d0b78126924b4f7e93c7291295924772f995192924
SHA512

0600559a27a445e7fca7a0195e6c78659059177485239450db3eb7036c45f44f72813a3a2c80d47b43f22226ccb730e57c18d49cf1e87677e66b4cd728c05106

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2804-134-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2804-135-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2804-136-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2020-150-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1736-151-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1736-153-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1736-170-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3136-174-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3136-173-0x0000000010000000-0x0000000010362000-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

Processes:

SQLSerasi.exeSQLSerasi.exeSQLSerasi.exeSQLSerasi.exe

pid process

2020 SQLSerasi.exe
1736 SQLSerasi.exe
3136 SQLSerasi.exe
3572 SQLSerasi.exe

pid	process
2020	SQLSerasi.exe
1736	SQLSerasi.exe
3136	SQLSerasi.exe
3572	SQLSerasi.exe

UPX packed file 11 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2804-131-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2804-134-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2804-135-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2804-136-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1736-147-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2020-150-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1736-151-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1736-153-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1736-170-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3136-174-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3136-173-0x0000000010000000-0x0000000010362000-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

Processes:

3582786dea00efb49bc3c0d0b78126924b4f7e93c7291295924772f995192924.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Control Panel\International\Geo\Nation	3582786dea00efb49bc3c0d0b78126924b4f7e93c7291295924772f995192924.exe

Drops file in System32 directory 4 IoCs

Processes:

SQLSerasi.exe

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

Processes:

3582786dea00efb49bc3c0d0b78126924b4f7e93c7291295924772f995192924.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	3582786dea00efb49bc3c0d0b78126924b4f7e93c7291295924772f995192924.exe
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	3582786dea00efb49bc3c0d0b78126924b4f7e93c7291295924772f995192924.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

Processes:

WerFault.exe

pid pid_target process target process

840 1736 WerFault.exe SQLSerasi.exe

pid	pid_target	process	target process
840	1736	WerFault.exe	SQLSerasi.exe

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

Processes:

SQLSerasi.exe

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

Processes:

SQLSerasi.exe

description	ioc	process
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
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	SQLSerasi.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

3582786dea00efb49bc3c0d0b78126924b4f7e93c7291295924772f995192924.exeSQLSerasi.exeSQLSerasi.exeSQLSerasi.exeSQLSerasi.exe

description	pid	process
Token: SeDebugPrivilege	2804	3582786dea00efb49bc3c0d0b78126924b4f7e93c7291295924772f995192924.exe
Token: SeDebugPrivilege	2020	SQLSerasi.exe
Token: SeDebugPrivilege	1736	SQLSerasi.exe
Token: SeDebugPrivilege	1736	SQLSerasi.exe
Token: SeDebugPrivilege	1736	SQLSerasi.exe
Token: SeDebugPrivilege	3136	SQLSerasi.exe
Token: SeDebugPrivilege	3572	SQLSerasi.exe
Token: SeDebugPrivilege	3136	SQLSerasi.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

3582786dea00efb49bc3c0d0b78126924b4f7e93c7291295924772f995192924.exeSQLSerasi.exe

description	pid	process	target process
PID 2804 wrote to memory of 2020	2804	3582786dea00efb49bc3c0d0b78126924b4f7e93c7291295924772f995192924.exe	SQLSerasi.exe
PID 2804 wrote to memory of 2020	2804	3582786dea00efb49bc3c0d0b78126924b4f7e93c7291295924772f995192924.exe	SQLSerasi.exe
PID 2804 wrote to memory of 2020	2804	3582786dea00efb49bc3c0d0b78126924b4f7e93c7291295924772f995192924.exe	SQLSerasi.exe
PID 1736 wrote to memory of 3136	1736	SQLSerasi.exe	SQLSerasi.exe
PID 1736 wrote to memory of 3136	1736	SQLSerasi.exe	SQLSerasi.exe
PID 1736 wrote to memory of 3136	1736	SQLSerasi.exe	SQLSerasi.exe
PID 1736 wrote to memory of 3572	1736	SQLSerasi.exe	SQLSerasi.exe
PID 1736 wrote to memory of 3572	1736	SQLSerasi.exe	SQLSerasi.exe
PID 1736 wrote to memory of 3572	1736	SQLSerasi.exe	SQLSerasi.exe

C:\Users\Admin\AppData\Local\Temp\3582786dea00efb49bc3c0d0b78126924b4f7e93c7291295924772f995192924.exe
"C:\Users\Admin\AppData\Local\Temp\3582786dea00efb49bc3c0d0b78126924b4f7e93c7291295924772f995192924.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2804

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:2020

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:1736

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:3572

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:3136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1736 -s 644
2⤵
- Program crash
PID:840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1736 -ip 1736
1⤵
PID:2664

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
Filesize
39.4MB

MD5
e3b73ee2e4ca7a1090834b218741a307

SHA1
594ab59a3e17b0229659af4ccc68a202c84b55b1

SHA256
7e0e91622a49de2213150526d8d87002fb48fa25a1264abd70efee80cd971a31

SHA512
8e021c9db5c1c62fc96c5c9b477616022b8f409c194979ef02957c4dfebbb7dd52212a14afe480cc1decb1a3a03a522577c5999fe848ccc51093671914a930b2

Download Submit
C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
Filesize
39.4MB

MD5
e3b73ee2e4ca7a1090834b218741a307

SHA1
594ab59a3e17b0229659af4ccc68a202c84b55b1

SHA256
7e0e91622a49de2213150526d8d87002fb48fa25a1264abd70efee80cd971a31

SHA512
8e021c9db5c1c62fc96c5c9b477616022b8f409c194979ef02957c4dfebbb7dd52212a14afe480cc1decb1a3a03a522577c5999fe848ccc51093671914a930b2

Download Submit
C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
Filesize
39.4MB

MD5
e3b73ee2e4ca7a1090834b218741a307

SHA1
594ab59a3e17b0229659af4ccc68a202c84b55b1

SHA256
7e0e91622a49de2213150526d8d87002fb48fa25a1264abd70efee80cd971a31

SHA512
8e021c9db5c1c62fc96c5c9b477616022b8f409c194979ef02957c4dfebbb7dd52212a14afe480cc1decb1a3a03a522577c5999fe848ccc51093671914a930b2

Download Submit
C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
Filesize
39.4MB

MD5
e3b73ee2e4ca7a1090834b218741a307

SHA1
594ab59a3e17b0229659af4ccc68a202c84b55b1

SHA256
7e0e91622a49de2213150526d8d87002fb48fa25a1264abd70efee80cd971a31

SHA512
8e021c9db5c1c62fc96c5c9b477616022b8f409c194979ef02957c4dfebbb7dd52212a14afe480cc1decb1a3a03a522577c5999fe848ccc51093671914a930b2

Download Submit
C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
Filesize
39.4MB

MD5
e3b73ee2e4ca7a1090834b218741a307

SHA1
594ab59a3e17b0229659af4ccc68a202c84b55b1

SHA256
7e0e91622a49de2213150526d8d87002fb48fa25a1264abd70efee80cd971a31

SHA512
8e021c9db5c1c62fc96c5c9b477616022b8f409c194979ef02957c4dfebbb7dd52212a14afe480cc1decb1a3a03a522577c5999fe848ccc51093671914a930b2

Download Submit
memory/1736-151-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1736-147-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1736-170-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1736-152-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1736-153-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2020-155-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2020-154-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2020-137-0x0000000000000000-mapping.dmp

Download
memory/2020-150-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2804-131-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2804-130-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2804-135-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2804-140-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2804-134-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2804-136-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3136-174-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3136-166-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3136-156-0x0000000000000000-mapping.dmp

Download
memory/3136-173-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3572-158-0x0000000000000000-mapping.dmp

Download
memory/3572-175-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3572-172-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads