gh0strat | 8d50fb05a8c553361e250ef27c0257c53909160435c891838bd40634b0862523

Analysis

max time kernel
145s
max time network
147s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
18-09-2022 06:58

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8d50fb05a8c553361e250ef27c0257c53909160435c891838bd40634b0862523.exe
Size

375KB
MD5

15312baf1bc35bfc10ee85924b56cacd
SHA1

118ce5d6119746cd42427e366610767ed56460fb
SHA256

8d50fb05a8c553361e250ef27c0257c53909160435c891838bd40634b0862523
SHA512

209147cf21f864cddc34a8ab88b1f90e9d900158f448b9fd12e278d977e4d3bd42ec8331322b5ae600c49018c7cd52351f2e5fffe008ec956be45738ae28f97b
SSDEEP

6144:Zv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:Z4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/2404-170-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2404-171-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2404-173-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2404-174-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4884-273-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4916-301-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3628-356-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3628-369-0x0000000010000000-0x0000000010362000-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
4884	SQLSerasi.exe
4916	SQLSerasi.exe
3628	SQLSerasi.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2404-166-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2404-170-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2404-171-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2404-173-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2404-174-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4884-273-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4916-301-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3628-356-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3628-369-0x0000000010000000-0x0000000010362000-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 created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	8d50fb05a8c553361e250ef27c0257c53909160435c891838bd40634b0862523.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	8d50fb05a8c553361e250ef27c0257c53909160435c891838bd40634b0862523.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 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\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
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	SQLSerasi.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2404	8d50fb05a8c553361e250ef27c0257c53909160435c891838bd40634b0862523.exe
Token: SeDebugPrivilege	4884	SQLSerasi.exe
Token: SeDebugPrivilege	4916	SQLSerasi.exe
Token: SeDebugPrivilege	4916	SQLSerasi.exe
Token: SeDebugPrivilege	3628	SQLSerasi.exe
Token: SeDebugPrivilege	3628	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 4884	2404	8d50fb05a8c553361e250ef27c0257c53909160435c891838bd40634b0862523.exe	66
PID 2404 wrote to memory of 4884	2404	8d50fb05a8c553361e250ef27c0257c53909160435c891838bd40634b0862523.exe	66
PID 2404 wrote to memory of 4884	2404	8d50fb05a8c553361e250ef27c0257c53909160435c891838bd40634b0862523.exe	66
PID 4916 wrote to memory of 3628	4916	SQLSerasi.exe	68
PID 4916 wrote to memory of 3628	4916	SQLSerasi.exe	68
PID 4916 wrote to memory of 3628	4916	SQLSerasi.exe	68

C:\Users\Admin\AppData\Local\Temp\8d50fb05a8c553361e250ef27c0257c53909160435c891838bd40634b0862523.exe
"C:\Users\Admin\AppData\Local\Temp\8d50fb05a8c553361e250ef27c0257c53909160435c891838bd40634b0862523.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2404
- 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:4884

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:4916
- 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:3628

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
04bb61427b4fd03f241d5bc2876ce716

SHA1
9f3f9698461b3cd563dfcd220d49ed49a19d3e6e

SHA256
7b2c306c9d7ab4bd2df34a92e8bac61831a2a5be882745e43d2f8a1c8ade8331

SHA512
a9b51eb85dc82c16acdf1c22d16587ded5934295e2d165f5ea29c025155967e1eae1741edd704de035a7d4a1a03d1e4caaf0f2c7798a4ec2146a6a942c68635e

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

Filesize
39.4MB

MD5
04bb61427b4fd03f241d5bc2876ce716

SHA1
9f3f9698461b3cd563dfcd220d49ed49a19d3e6e

SHA256
7b2c306c9d7ab4bd2df34a92e8bac61831a2a5be882745e43d2f8a1c8ade8331

SHA512
a9b51eb85dc82c16acdf1c22d16587ded5934295e2d165f5ea29c025155967e1eae1741edd704de035a7d4a1a03d1e4caaf0f2c7798a4ec2146a6a942c68635e

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

Filesize
39.4MB

MD5
04bb61427b4fd03f241d5bc2876ce716

SHA1
9f3f9698461b3cd563dfcd220d49ed49a19d3e6e

SHA256
7b2c306c9d7ab4bd2df34a92e8bac61831a2a5be882745e43d2f8a1c8ade8331

SHA512
a9b51eb85dc82c16acdf1c22d16587ded5934295e2d165f5ea29c025155967e1eae1741edd704de035a7d4a1a03d1e4caaf0f2c7798a4ec2146a6a942c68635e

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

Filesize
39.4MB

MD5
04bb61427b4fd03f241d5bc2876ce716

SHA1
9f3f9698461b3cd563dfcd220d49ed49a19d3e6e

SHA256
7b2c306c9d7ab4bd2df34a92e8bac61831a2a5be882745e43d2f8a1c8ade8331

SHA512
a9b51eb85dc82c16acdf1c22d16587ded5934295e2d165f5ea29c025155967e1eae1741edd704de035a7d4a1a03d1e4caaf0f2c7798a4ec2146a6a942c68635e

Download Submit
memory/2404-150-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-165-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-118-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-119-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-120-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-121-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-122-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-123-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2404-124-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-125-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-126-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-128-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-129-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-130-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-131-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-152-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-133-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-135-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-134-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-136-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-137-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-127-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-138-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-139-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-141-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-140-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-142-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-143-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-144-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-145-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-146-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-147-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-148-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-149-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-116-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-151-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-132-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-153-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-117-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-155-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-156-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-157-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-158-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-159-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-160-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-161-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-162-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-163-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-164-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-154-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-166-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2404-169-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-170-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2404-171-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2404-172-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-173-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2404-174-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2404-175-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-176-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-177-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-178-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-179-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-180-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-181-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-182-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-188-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3628-356-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3628-368-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3628-369-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4884-273-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4884-299-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4916-301-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4916-367-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download