gh0strat | 741ef1dd52cf5fd0aec99dbeb3dcdfa36087209c9018460253a93a67b105a560

Analysis

max time kernel
148s
max time network
139s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
07/10/2022, 04:43

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General

Target

741ef1dd52cf5fd0aec99dbeb3dcdfa36087209c9018460253a93a67b105a560.exe
Size

375KB
MD5

045f54824bd433f67d474fdbd94a8257
SHA1

43d3c8ba440591bb3d7bae145d9e69d455c2592a
SHA256

741ef1dd52cf5fd0aec99dbeb3dcdfa36087209c9018460253a93a67b105a560
SHA512

0f7c3616189a022e677685e2ade31a005cae43081146e5e3834e3c119248b8b0de7f0cecc4107db7d97209dfd9b6aee1612bf2e7dd06912d33e20578d2b1c3af
SSDEEP

6144:Cv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:C4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/2656-174-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2656-175-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2656-177-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2336-247-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4080-301-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4204-359-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4080-371-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4204-373-0x0000000010000000-0x0000000010362000-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
2336	SQLSerasi.exe
4080	SQLSerasi.exe
4204	SQLSerasi.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2656-170-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2656-174-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2656-175-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2656-177-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2336-247-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4080-301-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4204-359-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4080-371-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4204-373-0x0000000010000000-0x0000000010362000-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	741ef1dd52cf5fd0aec99dbeb3dcdfa36087209c9018460253a93a67b105a560.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	741ef1dd52cf5fd0aec99dbeb3dcdfa36087209c9018460253a93a67b105a560.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 (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 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2656	741ef1dd52cf5fd0aec99dbeb3dcdfa36087209c9018460253a93a67b105a560.exe
Token: SeDebugPrivilege	2336	SQLSerasi.exe
Token: SeDebugPrivilege	4080	SQLSerasi.exe
Token: SeDebugPrivilege	4080	SQLSerasi.exe
Token: SeDebugPrivilege	4204	SQLSerasi.exe
Token: SeDebugPrivilege	4204	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 2336	2656	741ef1dd52cf5fd0aec99dbeb3dcdfa36087209c9018460253a93a67b105a560.exe	66
PID 2656 wrote to memory of 2336	2656	741ef1dd52cf5fd0aec99dbeb3dcdfa36087209c9018460253a93a67b105a560.exe	66
PID 2656 wrote to memory of 2336	2656	741ef1dd52cf5fd0aec99dbeb3dcdfa36087209c9018460253a93a67b105a560.exe	66
PID 4080 wrote to memory of 4204	4080	SQLSerasi.exe	68
PID 4080 wrote to memory of 4204	4080	SQLSerasi.exe	68
PID 4080 wrote to memory of 4204	4080	SQLSerasi.exe	68

C:\Users\Admin\AppData\Local\Temp\741ef1dd52cf5fd0aec99dbeb3dcdfa36087209c9018460253a93a67b105a560.exe
"C:\Users\Admin\AppData\Local\Temp\741ef1dd52cf5fd0aec99dbeb3dcdfa36087209c9018460253a93a67b105a560.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2656
- 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:2336

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:4080
- 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:4204

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

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Downloads

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

Filesize
39.4MB

MD5
78bf95d590f54fc75d20ade2881d5501

SHA1
da4be9bcf743025b5caaa9bc4221c48478361c31

SHA256
cd12239a460c256424fc06aa3a91ec46fe283091a343e6a511a5d63547f9d1d8

SHA512
975481c7940641da2a0fabe95cb8360b8b4728768f47987f7cc27671837c0bbab751486c37751c312e1adb160ffb74d1fb4a1de6c05aedb8f35a9e4a56cc1ffd

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

Filesize
39.4MB

MD5
78bf95d590f54fc75d20ade2881d5501

SHA1
da4be9bcf743025b5caaa9bc4221c48478361c31

SHA256
cd12239a460c256424fc06aa3a91ec46fe283091a343e6a511a5d63547f9d1d8

SHA512
975481c7940641da2a0fabe95cb8360b8b4728768f47987f7cc27671837c0bbab751486c37751c312e1adb160ffb74d1fb4a1de6c05aedb8f35a9e4a56cc1ffd

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

Filesize
39.4MB

MD5
78bf95d590f54fc75d20ade2881d5501

SHA1
da4be9bcf743025b5caaa9bc4221c48478361c31

SHA256
cd12239a460c256424fc06aa3a91ec46fe283091a343e6a511a5d63547f9d1d8

SHA512
975481c7940641da2a0fabe95cb8360b8b4728768f47987f7cc27671837c0bbab751486c37751c312e1adb160ffb74d1fb4a1de6c05aedb8f35a9e4a56cc1ffd

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

Filesize
39.4MB

MD5
78bf95d590f54fc75d20ade2881d5501

SHA1
da4be9bcf743025b5caaa9bc4221c48478361c31

SHA256
cd12239a460c256424fc06aa3a91ec46fe283091a343e6a511a5d63547f9d1d8

SHA512
975481c7940641da2a0fabe95cb8360b8b4728768f47987f7cc27671837c0bbab751486c37751c312e1adb160ffb74d1fb4a1de6c05aedb8f35a9e4a56cc1ffd

Download Submit
memory/2336-247-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2336-302-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2656-153-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-159-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-124-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-125-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-126-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-127-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-129-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-128-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-156-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-132-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-133-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-134-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-131-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2656-136-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-135-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-137-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-138-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-139-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-140-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-141-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-142-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-143-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-144-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-145-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-146-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-158-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-148-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-149-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-150-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-151-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-152-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-122-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-154-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-155-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-130-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-123-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-147-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-157-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-160-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-161-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-162-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-163-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-164-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-165-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-166-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-167-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-169-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-168-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-170-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2656-173-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-174-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2656-175-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2656-176-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-177-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2656-178-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-179-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-180-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-181-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-182-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-183-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-184-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-185-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-191-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2656-120-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-121-0x0000000077560000-0x00000000776EE000-memory.dmp

Filesize
1.6MB

Download
memory/4080-301-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4080-370-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4080-371-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4204-359-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4204-372-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4204-373-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download