gh0strat | 35ab6933aba188dddc68788ed02ee1f72894933331a110606af6cc9448045652

Analysis

max time kernel
150s
max time network
135s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
07/09/2022, 08:24

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

35ab6933aba188dddc68788ed02ee1f72894933331a110606af6cc9448045652.exe
Size

375KB
MD5

ec58e02fb30073df2693487b65121774
SHA1

1d4c8c854b7b1c277270cfc894108c619e2b7b1d
SHA256

35ab6933aba188dddc68788ed02ee1f72894933331a110606af6cc9448045652
SHA512

7dac4dd56f8dcb782bc6e5217a9b6a48d39b074bca13ed9ed1a26a0b300c248af075ed5b04fd40d5e0e56f832c6912c8c0ac2f6b0766d535866473b441259eae
SSDEEP

6144:Hv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:H4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/3992-170-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3992-171-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3992-172-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3992-173-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4296-271-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4580-298-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4784-359-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4580-368-0x0000000010000000-0x0000000010362000-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 3 IoCs

pid	Process
4296	SQLSerasi.exe
4580	SQLSerasi.exe
4784	SQLSerasi.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3992-166-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3992-170-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3992-171-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3992-172-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3992-173-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4296-271-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4580-298-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4784-359-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4580-368-0x0000000010000000-0x0000000010362000-memory.dmp	upx

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\counters2.dat	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
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 opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	35ab6933aba188dddc68788ed02ee1f72894933331a110606af6cc9448045652.exe
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	35ab6933aba188dddc68788ed02ee1f72894933331a110606af6cc9448045652.exe

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

System Information Discovery
T1082

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 (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
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	SQLSerasi.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3992	35ab6933aba188dddc68788ed02ee1f72894933331a110606af6cc9448045652.exe
Token: SeDebugPrivilege	4296	SQLSerasi.exe
Token: SeDebugPrivilege	4580	SQLSerasi.exe
Token: SeDebugPrivilege	4580	SQLSerasi.exe
Token: SeDebugPrivilege	4784	SQLSerasi.exe
Token: SeDebugPrivilege	4784	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3992 wrote to memory of 4296	3992	35ab6933aba188dddc68788ed02ee1f72894933331a110606af6cc9448045652.exe	67
PID 3992 wrote to memory of 4296	3992	35ab6933aba188dddc68788ed02ee1f72894933331a110606af6cc9448045652.exe	67
PID 3992 wrote to memory of 4296	3992	35ab6933aba188dddc68788ed02ee1f72894933331a110606af6cc9448045652.exe	67
PID 4580 wrote to memory of 4784	4580	SQLSerasi.exe	69
PID 4580 wrote to memory of 4784	4580	SQLSerasi.exe	69
PID 4580 wrote to memory of 4784	4580	SQLSerasi.exe	69

C:\Users\Admin\AppData\Local\Temp\35ab6933aba188dddc68788ed02ee1f72894933331a110606af6cc9448045652.exe
"C:\Users\Admin\AppData\Local\Temp\35ab6933aba188dddc68788ed02ee1f72894933331a110606af6cc9448045652.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3992
- 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:4296

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:4580
- 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:4784

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

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
731fc344b1567ee7394d15af773e7821

SHA1
4f5fd3aedaad326f98fb943330470d5d02b35ef7

SHA256
3cadbd7fcab8562a9c8d45dcb6c227e58e7a4f396c2f410873f4da819bb05d97

SHA512
0143c66824df8be6851c1e2dfa28cebf75be6f516346cde269bbe3ac5223b56efdc092f5c243f7710b15c2f3957bbf568ff9b6a4153addff3778a7c80bcc76bd

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

Filesize
39.4MB

MD5
731fc344b1567ee7394d15af773e7821

SHA1
4f5fd3aedaad326f98fb943330470d5d02b35ef7

SHA256
3cadbd7fcab8562a9c8d45dcb6c227e58e7a4f396c2f410873f4da819bb05d97

SHA512
0143c66824df8be6851c1e2dfa28cebf75be6f516346cde269bbe3ac5223b56efdc092f5c243f7710b15c2f3957bbf568ff9b6a4153addff3778a7c80bcc76bd

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

Filesize
39.4MB

MD5
731fc344b1567ee7394d15af773e7821

SHA1
4f5fd3aedaad326f98fb943330470d5d02b35ef7

SHA256
3cadbd7fcab8562a9c8d45dcb6c227e58e7a4f396c2f410873f4da819bb05d97

SHA512
0143c66824df8be6851c1e2dfa28cebf75be6f516346cde269bbe3ac5223b56efdc092f5c243f7710b15c2f3957bbf568ff9b6a4153addff3778a7c80bcc76bd

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

Filesize
39.4MB

MD5
731fc344b1567ee7394d15af773e7821

SHA1
4f5fd3aedaad326f98fb943330470d5d02b35ef7

SHA256
3cadbd7fcab8562a9c8d45dcb6c227e58e7a4f396c2f410873f4da819bb05d97

SHA512
0143c66824df8be6851c1e2dfa28cebf75be6f516346cde269bbe3ac5223b56efdc092f5c243f7710b15c2f3957bbf568ff9b6a4153addff3778a7c80bcc76bd

Download Submit
memory/3992-140-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-154-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-118-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-119-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-120-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-121-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-122-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-123-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-124-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-125-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-126-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-127-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-128-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-129-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-130-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3992-131-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-133-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-134-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-135-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-136-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-137-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-138-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-139-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-141-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-142-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-144-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-145-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-153-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-148-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-149-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-150-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-151-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-146-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-143-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-116-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-132-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-117-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-152-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-147-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-155-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-157-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-156-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-158-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-159-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-161-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-160-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-162-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-163-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-164-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-165-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-166-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3992-169-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-170-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3992-171-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3992-172-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3992-174-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-173-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3992-175-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-176-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-177-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-178-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-179-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-180-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-181-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-182-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/3992-189-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4296-271-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4296-299-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4580-298-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4580-367-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4580-368-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4784-359-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4784-369-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download