gh0strat | 8f075935d72b44a2c4a590373dd44973a019dab1dfbfdb7ef6b1fe7acbe78076

Analysis

max time kernel
146s
max time network
146s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
23-09-2022 06:09

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8f075935d72b44a2c4a590373dd44973a019dab1dfbfdb7ef6b1fe7acbe78076.exe
Size

375KB
MD5

5b125a07f2ac23caeca1fe68f921d0ea
SHA1

3df13ce0a388cfaaeb88be51c637049ffe366ef3
SHA256

8f075935d72b44a2c4a590373dd44973a019dab1dfbfdb7ef6b1fe7acbe78076
SHA512

c94d3093f7c6f92dfd6e10af6f4ef1f78bf71b645a589896398fe9a3164231105ebcaaf50e0e9920fcce6689116b8418ab7319edbf03088ae5482b4946d6726f
SSDEEP

6144:cv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:c4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2060-174-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2060-173-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2060-176-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4684-263-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2800-300-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4912-359-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2800-370-0x0000000010000000-0x0000000010362000-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

Processes:

SQLSerasi.exeSQLSerasi.exeSQLSerasi.exe

pid process

4684 SQLSerasi.exe
2800 SQLSerasi.exe
4912 SQLSerasi.exe

pid	process
4684	SQLSerasi.exe
2800	SQLSerasi.exe
4912	SQLSerasi.exe

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2060-169-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2060-174-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2060-173-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2060-176-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4684-263-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2800-300-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4912-359-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2800-370-0x0000000010000000-0x0000000010362000-memory.dmp	upx

Drops file in System32 directory 5 IoCs

Processes:

SQLSerasi.exe

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

Processes:

8f075935d72b44a2c4a590373dd44973a019dab1dfbfdb7ef6b1fe7acbe78076.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	8f075935d72b44a2c4a590373dd44973a019dab1dfbfdb7ef6b1fe7acbe78076.exe
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	8f075935d72b44a2c4a590373dd44973a019dab1dfbfdb7ef6b1fe7acbe78076.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

Processes:

SQLSerasi.exe

description	ioc	process
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
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	SQLSerasi.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString	SQLSerasi.exe

Modifies data under HKEY_USERS 8 IoCs

Processes:

SQLSerasi.exe

description	ioc	process
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
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	SQLSerasi.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

8f075935d72b44a2c4a590373dd44973a019dab1dfbfdb7ef6b1fe7acbe78076.exeSQLSerasi.exeSQLSerasi.exeSQLSerasi.exe

description	pid	process
Token: SeDebugPrivilege	2060	8f075935d72b44a2c4a590373dd44973a019dab1dfbfdb7ef6b1fe7acbe78076.exe
Token: SeDebugPrivilege	4684	SQLSerasi.exe
Token: SeDebugPrivilege	2800	SQLSerasi.exe
Token: SeDebugPrivilege	2800	SQLSerasi.exe
Token: SeDebugPrivilege	4912	SQLSerasi.exe
Token: SeDebugPrivilege	4912	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

8f075935d72b44a2c4a590373dd44973a019dab1dfbfdb7ef6b1fe7acbe78076.exeSQLSerasi.exe

description	pid	process	target process
PID 2060 wrote to memory of 4684	2060	8f075935d72b44a2c4a590373dd44973a019dab1dfbfdb7ef6b1fe7acbe78076.exe	SQLSerasi.exe
PID 2060 wrote to memory of 4684	2060	8f075935d72b44a2c4a590373dd44973a019dab1dfbfdb7ef6b1fe7acbe78076.exe	SQLSerasi.exe
PID 2060 wrote to memory of 4684	2060	8f075935d72b44a2c4a590373dd44973a019dab1dfbfdb7ef6b1fe7acbe78076.exe	SQLSerasi.exe
PID 2800 wrote to memory of 4912	2800	SQLSerasi.exe	SQLSerasi.exe
PID 2800 wrote to memory of 4912	2800	SQLSerasi.exe	SQLSerasi.exe
PID 2800 wrote to memory of 4912	2800	SQLSerasi.exe	SQLSerasi.exe

C:\Users\Admin\AppData\Local\Temp\8f075935d72b44a2c4a590373dd44973a019dab1dfbfdb7ef6b1fe7acbe78076.exe
"C:\Users\Admin\AppData\Local\Temp\8f075935d72b44a2c4a590373dd44973a019dab1dfbfdb7ef6b1fe7acbe78076.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2060

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:4684

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:2800

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:4912

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
d571a747b822a8f92c2b7a82444deac6

SHA1
a7500ea1cb8a0a91599126bb90d9644ba0e92148

SHA256
a9c16cd3bd8c81b0d0887b4ca5f5d12cf84e176ab2a04259494f68e20aa264af

SHA512
1ff565d84e1c535dda22a30b1057b522c13e4c8c91f4369550a9a0d4f5332145ab1df14c6220854c3b8c1c112add3b76de024a45c249730d6e2185e78b2526e5

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

MD5
d571a747b822a8f92c2b7a82444deac6

SHA1
a7500ea1cb8a0a91599126bb90d9644ba0e92148

SHA256
a9c16cd3bd8c81b0d0887b4ca5f5d12cf84e176ab2a04259494f68e20aa264af

SHA512
1ff565d84e1c535dda22a30b1057b522c13e4c8c91f4369550a9a0d4f5332145ab1df14c6220854c3b8c1c112add3b76de024a45c249730d6e2185e78b2526e5

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

MD5
d571a747b822a8f92c2b7a82444deac6

SHA1
a7500ea1cb8a0a91599126bb90d9644ba0e92148

SHA256
a9c16cd3bd8c81b0d0887b4ca5f5d12cf84e176ab2a04259494f68e20aa264af

SHA512
1ff565d84e1c535dda22a30b1057b522c13e4c8c91f4369550a9a0d4f5332145ab1df14c6220854c3b8c1c112add3b76de024a45c249730d6e2185e78b2526e5

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

MD5
d571a747b822a8f92c2b7a82444deac6

SHA1
a7500ea1cb8a0a91599126bb90d9644ba0e92148

SHA256
a9c16cd3bd8c81b0d0887b4ca5f5d12cf84e176ab2a04259494f68e20aa264af

SHA512
1ff565d84e1c535dda22a30b1057b522c13e4c8c91f4369550a9a0d4f5332145ab1df14c6220854c3b8c1c112add3b76de024a45c249730d6e2185e78b2526e5

Download Submit
memory/2060-154-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-176-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2060-122-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-123-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-124-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-125-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-126-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-127-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-128-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-129-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-132-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-130-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-131-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2060-133-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-134-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-136-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-135-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-138-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-139-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-140-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-141-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-142-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-143-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-144-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-137-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-145-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-147-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-148-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-149-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-146-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-150-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-151-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-152-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-153-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-120-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-155-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-157-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-156-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-121-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-159-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-160-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-161-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-162-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-163-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-164-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-165-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-166-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-167-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-168-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-169-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2060-172-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-174-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2060-173-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2060-175-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-158-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-177-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-178-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-179-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-180-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-181-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-182-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-183-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-184-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2060-190-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2060-119-0x0000000077480000-0x000000007760E000-memory.dmp

Filesize
1.6MB

Download
memory/2800-300-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2800-369-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2800-370-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4684-187-0x0000000000000000-mapping.dmp

Download
memory/4684-263-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4684-302-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4912-303-0x0000000000000000-mapping.dmp

Download
memory/4912-359-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4912-371-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download