gh0strat | cdfae35e3bafc0e6c4682b9373985f81e6e3260992e7fc0f645f0be7324ac7e5

Analysis

max time kernel
129s
max time network
147s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
07/09/2022, 03:23

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General

Target

cdfae35e3bafc0e6c4682b9373985f81e6e3260992e7fc0f645f0be7324ac7e5.exe
Size

375KB
MD5

dc4914df753ca74d9d0e92f78a26d5e7
SHA1

779c5c27edcdad178ad004885f040af6c67ff645
SHA256

cdfae35e3bafc0e6c4682b9373985f81e6e3260992e7fc0f645f0be7324ac7e5
SHA512

665585f85c3944ac4306ef278823a52640330f24f09648ff73c899eb9147d262db8962c9bad280f290deb2aa1071504e51d59fd64e90fbb20c3da0c4f36b420c
SSDEEP

6144:iv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:i4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 7 IoCs

resource	yara_rule
behavioral1/memory/64-174-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/64-175-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/64-176-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4528-257-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4012-302-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4944-359-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4944-372-0x0000000010000000-0x0000000010362000-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
4528	SQLSerasi.exe
4012	SQLSerasi.exe
4944	SQLSerasi.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/64-170-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/64-174-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/64-175-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/64-176-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4528-257-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4012-302-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4944-359-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4944-372-0x0000000010000000-0x0000000010362000-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	cdfae35e3bafc0e6c4682b9373985f81e6e3260992e7fc0f645f0be7324ac7e5.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	cdfae35e3bafc0e6c4682b9373985f81e6e3260992e7fc0f645f0be7324ac7e5.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\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
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

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	64	cdfae35e3bafc0e6c4682b9373985f81e6e3260992e7fc0f645f0be7324ac7e5.exe
Token: SeDebugPrivilege	4528	SQLSerasi.exe
Token: SeDebugPrivilege	4012	SQLSerasi.exe
Token: SeDebugPrivilege	4012	SQLSerasi.exe
Token: SeDebugPrivilege	4944	SQLSerasi.exe
Token: SeDebugPrivilege	4944	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 64 wrote to memory of 4528	64	cdfae35e3bafc0e6c4682b9373985f81e6e3260992e7fc0f645f0be7324ac7e5.exe	66
PID 64 wrote to memory of 4528	64	cdfae35e3bafc0e6c4682b9373985f81e6e3260992e7fc0f645f0be7324ac7e5.exe	66
PID 64 wrote to memory of 4528	64	cdfae35e3bafc0e6c4682b9373985f81e6e3260992e7fc0f645f0be7324ac7e5.exe	66
PID 4012 wrote to memory of 4944	4012	SQLSerasi.exe	68
PID 4012 wrote to memory of 4944	4012	SQLSerasi.exe	68
PID 4012 wrote to memory of 4944	4012	SQLSerasi.exe	68

C:\Users\Admin\AppData\Local\Temp\cdfae35e3bafc0e6c4682b9373985f81e6e3260992e7fc0f645f0be7324ac7e5.exe
"C:\Users\Admin\AppData\Local\Temp\cdfae35e3bafc0e6c4682b9373985f81e6e3260992e7fc0f645f0be7324ac7e5.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:64
- 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:4528

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:4012
- 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:4944

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
2169db256db442127a00bfa1aa87ae4c

SHA1
194e42201fe736e51f6cbbe771adef8c73186240

SHA256
e22c320abc370f9cfa5f77600920b07647132fd98f928cfc663d1fa8186ba603

SHA512
74836be89b2f300407d03e8f2ff1b7cfa6c8e5562952fc49088c0c56d0a57b6444361da6750518d2e2b0594805774b663733c448331d5cf600a1275ceb50b224

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

Filesize
39.4MB

MD5
2169db256db442127a00bfa1aa87ae4c

SHA1
194e42201fe736e51f6cbbe771adef8c73186240

SHA256
e22c320abc370f9cfa5f77600920b07647132fd98f928cfc663d1fa8186ba603

SHA512
74836be89b2f300407d03e8f2ff1b7cfa6c8e5562952fc49088c0c56d0a57b6444361da6750518d2e2b0594805774b663733c448331d5cf600a1275ceb50b224

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

Filesize
39.4MB

MD5
2169db256db442127a00bfa1aa87ae4c

SHA1
194e42201fe736e51f6cbbe771adef8c73186240

SHA256
e22c320abc370f9cfa5f77600920b07647132fd98f928cfc663d1fa8186ba603

SHA512
74836be89b2f300407d03e8f2ff1b7cfa6c8e5562952fc49088c0c56d0a57b6444361da6750518d2e2b0594805774b663733c448331d5cf600a1275ceb50b224

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

Filesize
39.4MB

MD5
2169db256db442127a00bfa1aa87ae4c

SHA1
194e42201fe736e51f6cbbe771adef8c73186240

SHA256
e22c320abc370f9cfa5f77600920b07647132fd98f928cfc663d1fa8186ba603

SHA512
74836be89b2f300407d03e8f2ff1b7cfa6c8e5562952fc49088c0c56d0a57b6444361da6750518d2e2b0594805774b663733c448331d5cf600a1275ceb50b224

Download Submit
memory/64-154-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-166-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-122-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-123-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-125-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-124-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-126-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-127-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-128-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-129-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-156-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-131-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-132-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-133-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-134-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-135-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-136-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-137-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-139-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-138-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-140-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-141-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-142-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-143-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-144-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-145-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-146-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-147-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-148-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-149-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-150-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-151-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-152-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-153-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-158-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-155-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-130-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/64-121-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-120-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-159-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-160-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-161-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-162-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-163-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-164-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-165-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-157-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-167-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-168-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-169-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-170-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/64-173-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-174-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/64-175-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/64-177-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-176-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/64-178-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-179-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-180-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-181-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-182-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-183-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-184-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-185-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/64-192-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4012-302-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4012-370-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4528-257-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4528-303-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4944-359-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4944-371-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4944-372-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download