gh0strat | f9e04fc9b76fe29933cd8e911dda1289323e9d15d3601fe25116b4a7b5c3f249

General

Target

f9e04fc9b76fe29933cd8e911dda1289323e9d15d3601fe25116b4a7b5c3f249.exe
Size

375KB
MD5

29d1cbeba8b4d013af041c1564c99962
SHA1

e43fbcb36a13bbccacc7f7aab8bcdaf07215d7e6
SHA256

f9e04fc9b76fe29933cd8e911dda1289323e9d15d3601fe25116b4a7b5c3f249
SHA512

206ba54dfa84b47df84ca439e5485f3b00b7b9586d62d03bafce08c677d7588d5dc034f236582a5eb422aa7e47699ba5c531bebd11c7885f4f3e4e02aa4fb84d
SSDEEP

6144:Pv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:P4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/4528-136-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4528-137-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4528-138-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1412-148-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3644-154-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3644-155-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3644-158-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4676-176-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4728-177-0x0000000010000000-0x0000000010362000-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 4 IoCs

pid	Process
1412	SQLSerasi.exe
3644	SQLSerasi.exe
4676	SQLSerasi.exe
4728	SQLSerasi.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4528-132-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4528-136-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4528-137-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4528-138-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1412-148-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3644-151-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3644-154-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3644-155-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3644-158-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4728-177-0x0000000010000000-0x0000000010362000-memory.dmp	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	f9e04fc9b76fe29933cd8e911dda1289323e9d15d3601fe25116b4a7b5c3f249.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
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
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

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	f9e04fc9b76fe29933cd8e911dda1289323e9d15d3601fe25116b4a7b5c3f249.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	f9e04fc9b76fe29933cd8e911dda1289323e9d15d3601fe25116b4a7b5c3f249.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4940	3644	WerFault.exe	77

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\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
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	SQLSerasi.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	4528	f9e04fc9b76fe29933cd8e911dda1289323e9d15d3601fe25116b4a7b5c3f249.exe
Token: SeDebugPrivilege	1412	SQLSerasi.exe
Token: SeDebugPrivilege	3644	SQLSerasi.exe
Token: SeDebugPrivilege	3644	SQLSerasi.exe
Token: SeDebugPrivilege	3644	SQLSerasi.exe
Token: SeDebugPrivilege	4676	SQLSerasi.exe
Token: SeDebugPrivilege	4728	SQLSerasi.exe
Token: SeDebugPrivilege	4728	SQLSerasi.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4528 wrote to memory of 1412	4528	f9e04fc9b76fe29933cd8e911dda1289323e9d15d3601fe25116b4a7b5c3f249.exe	76
PID 4528 wrote to memory of 1412	4528	f9e04fc9b76fe29933cd8e911dda1289323e9d15d3601fe25116b4a7b5c3f249.exe	76
PID 4528 wrote to memory of 1412	4528	f9e04fc9b76fe29933cd8e911dda1289323e9d15d3601fe25116b4a7b5c3f249.exe	76
PID 3644 wrote to memory of 4676	3644	SQLSerasi.exe	81
PID 3644 wrote to memory of 4676	3644	SQLSerasi.exe	81
PID 3644 wrote to memory of 4676	3644	SQLSerasi.exe	81
PID 3644 wrote to memory of 4728	3644	SQLSerasi.exe	80
PID 3644 wrote to memory of 4728	3644	SQLSerasi.exe	80
PID 3644 wrote to memory of 4728	3644	SQLSerasi.exe	80

C:\Users\Admin\AppData\Local\Temp\f9e04fc9b76fe29933cd8e911dda1289323e9d15d3601fe25116b4a7b5c3f249.exe
"C:\Users\Admin\AppData\Local\Temp\f9e04fc9b76fe29933cd8e911dda1289323e9d15d3601fe25116b4a7b5c3f249.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4528
- 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:1412

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:3644
- 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:4728
- 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:4676
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3644 -s 576
  2⤵
  - Program crash
  PID:4940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 192 -p 3644 -ip 3644
1⤵
PID:936

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

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
14afe636761291d58b321486d6814365

SHA1
033337d929f136b2416aa8147e7e5e2e37d0d210

SHA256
c594cd8100a75e1be23e2013c23ac6ada0956bac6aee7bdffdbf3e391aab7411

SHA512
52ebb86868b600b2d1e178eb08c2a3de2dd2149e013d7ad5ef808f694303d889fd5c875dfd79a62828af2173780e05ebd2a943d54ad046e35bee278f37edf17c

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

Filesize
39.4MB

MD5
14afe636761291d58b321486d6814365

SHA1
033337d929f136b2416aa8147e7e5e2e37d0d210

SHA256
c594cd8100a75e1be23e2013c23ac6ada0956bac6aee7bdffdbf3e391aab7411

SHA512
52ebb86868b600b2d1e178eb08c2a3de2dd2149e013d7ad5ef808f694303d889fd5c875dfd79a62828af2173780e05ebd2a943d54ad046e35bee278f37edf17c

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

Filesize
39.4MB

MD5
14afe636761291d58b321486d6814365

SHA1
033337d929f136b2416aa8147e7e5e2e37d0d210

SHA256
c594cd8100a75e1be23e2013c23ac6ada0956bac6aee7bdffdbf3e391aab7411

SHA512
52ebb86868b600b2d1e178eb08c2a3de2dd2149e013d7ad5ef808f694303d889fd5c875dfd79a62828af2173780e05ebd2a943d54ad046e35bee278f37edf17c

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

Filesize
39.4MB

MD5
14afe636761291d58b321486d6814365

SHA1
033337d929f136b2416aa8147e7e5e2e37d0d210

SHA256
c594cd8100a75e1be23e2013c23ac6ada0956bac6aee7bdffdbf3e391aab7411

SHA512
52ebb86868b600b2d1e178eb08c2a3de2dd2149e013d7ad5ef808f694303d889fd5c875dfd79a62828af2173780e05ebd2a943d54ad046e35bee278f37edf17c

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

Filesize
39.4MB

MD5
14afe636761291d58b321486d6814365

SHA1
033337d929f136b2416aa8147e7e5e2e37d0d210

SHA256
c594cd8100a75e1be23e2013c23ac6ada0956bac6aee7bdffdbf3e391aab7411

SHA512
52ebb86868b600b2d1e178eb08c2a3de2dd2149e013d7ad5ef808f694303d889fd5c875dfd79a62828af2173780e05ebd2a943d54ad046e35bee278f37edf17c

Download Submit
memory/1412-148-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1412-150-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1412-157-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3644-158-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3644-156-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3644-151-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3644-154-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3644-155-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4528-135-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4528-138-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4528-137-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4528-141-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4528-132-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4528-136-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4676-173-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4676-176-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4676-175-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4728-174-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4728-177-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads