gh0strat | 41198bbd6b4858a4d72df3e42acad8a3b5592267907228957926f0ee7ba0e290

General

Target

41198bbd6b4858a4d72df3e42acad8a3b5592267907228957926f0ee7ba0e290.exe
Size

375KB
MD5

01b9e2ee32ee6efca33974fe6d679b92
SHA1

73caf3bc1b206b0e0afb0e62fe89a7a95536ea66
SHA256

41198bbd6b4858a4d72df3e42acad8a3b5592267907228957926f0ee7ba0e290
SHA512

a6cbfec4a920d0e926e49f7f2e74de8d8bb2a323edea5508c0cacc7ffecdba61620cb91b12b64997a72c33db7461511674833fb536ea35f5c826ab11a5cfccf7
SSDEEP

6144:av5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:a4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral1/memory/1096-136-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1096-137-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1096-138-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4200-152-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3372-155-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3372-156-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3372-159-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3372-157-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/424-176-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/424-177-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2804-179-0x0000000010000000-0x0000000010362000-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
4200	SQLSerasi.exe
3372	SQLSerasi.exe
424	SQLSerasi.exe
2804	SQLSerasi.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1096-133-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1096-136-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1096-137-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1096-138-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3372-150-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4200-152-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3372-155-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3372-156-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3372-159-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3372-157-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/424-176-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/424-177-0x0000000010000000-0x0000000010362000-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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	41198bbd6b4858a4d72df3e42acad8a3b5592267907228957926f0ee7ba0e290.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
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
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	SQLSerasi.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	41198bbd6b4858a4d72df3e42acad8a3b5592267907228957926f0ee7ba0e290.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	41198bbd6b4858a4d72df3e42acad8a3b5592267907228957926f0ee7ba0e290.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
3056	3372	WerFault.exe	87

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\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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	SQLSerasi.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1096	41198bbd6b4858a4d72df3e42acad8a3b5592267907228957926f0ee7ba0e290.exe
Token: SeDebugPrivilege	4200	SQLSerasi.exe
Token: SeDebugPrivilege	3372	SQLSerasi.exe
Token: SeDebugPrivilege	3372	SQLSerasi.exe
Token: SeDebugPrivilege	3372	SQLSerasi.exe
Token: SeDebugPrivilege	424	SQLSerasi.exe
Token: SeDebugPrivilege	2804	SQLSerasi.exe
Token: SeDebugPrivilege	424	SQLSerasi.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1096 wrote to memory of 4200	1096	41198bbd6b4858a4d72df3e42acad8a3b5592267907228957926f0ee7ba0e290.exe	86
PID 1096 wrote to memory of 4200	1096	41198bbd6b4858a4d72df3e42acad8a3b5592267907228957926f0ee7ba0e290.exe	86
PID 1096 wrote to memory of 4200	1096	41198bbd6b4858a4d72df3e42acad8a3b5592267907228957926f0ee7ba0e290.exe	86
PID 3372 wrote to memory of 424	3372	SQLSerasi.exe	88
PID 3372 wrote to memory of 424	3372	SQLSerasi.exe	88
PID 3372 wrote to memory of 424	3372	SQLSerasi.exe	88
PID 3372 wrote to memory of 2804	3372	SQLSerasi.exe	90
PID 3372 wrote to memory of 2804	3372	SQLSerasi.exe	90
PID 3372 wrote to memory of 2804	3372	SQLSerasi.exe	90

C:\Users\Admin\AppData\Local\Temp\41198bbd6b4858a4d72df3e42acad8a3b5592267907228957926f0ee7ba0e290.exe
"C:\Users\Admin\AppData\Local\Temp\41198bbd6b4858a4d72df3e42acad8a3b5592267907228957926f0ee7ba0e290.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1096
- 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:4200

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:3372
- 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:424
- 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:2804
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 644
  2⤵
  - Program crash
  PID:3056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3372 -ip 3372
1⤵
PID:440

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

Loading Replay Monitor...

Downloads

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

Filesize
39.4MB

MD5
c713324f4fad5f2e11181c3ce4cf1ad9

SHA1
c173e33bb387bc7b521f2d49eace887b079229b1

SHA256
1b6c99912924112863be67ac9cfa6e2aaba21cdf3ca2deea19664e500e7cf6bc

SHA512
e6839efce3147d8e150a4b83f7588935622eb78dd6b4c12a81f752534c79339bff37208a7b1193b185a6cb16a0c7e71d5798ec6223c41395ac0616ae9bdd20ec

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

Filesize
39.4MB

MD5
c713324f4fad5f2e11181c3ce4cf1ad9

SHA1
c173e33bb387bc7b521f2d49eace887b079229b1

SHA256
1b6c99912924112863be67ac9cfa6e2aaba21cdf3ca2deea19664e500e7cf6bc

SHA512
e6839efce3147d8e150a4b83f7588935622eb78dd6b4c12a81f752534c79339bff37208a7b1193b185a6cb16a0c7e71d5798ec6223c41395ac0616ae9bdd20ec

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

Filesize
39.4MB

MD5
c713324f4fad5f2e11181c3ce4cf1ad9

SHA1
c173e33bb387bc7b521f2d49eace887b079229b1

SHA256
1b6c99912924112863be67ac9cfa6e2aaba21cdf3ca2deea19664e500e7cf6bc

SHA512
e6839efce3147d8e150a4b83f7588935622eb78dd6b4c12a81f752534c79339bff37208a7b1193b185a6cb16a0c7e71d5798ec6223c41395ac0616ae9bdd20ec

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

Filesize
39.4MB

MD5
c713324f4fad5f2e11181c3ce4cf1ad9

SHA1
c173e33bb387bc7b521f2d49eace887b079229b1

SHA256
1b6c99912924112863be67ac9cfa6e2aaba21cdf3ca2deea19664e500e7cf6bc

SHA512
e6839efce3147d8e150a4b83f7588935622eb78dd6b4c12a81f752534c79339bff37208a7b1193b185a6cb16a0c7e71d5798ec6223c41395ac0616ae9bdd20ec

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

Filesize
39.4MB

MD5
c713324f4fad5f2e11181c3ce4cf1ad9

SHA1
c173e33bb387bc7b521f2d49eace887b079229b1

SHA256
1b6c99912924112863be67ac9cfa6e2aaba21cdf3ca2deea19664e500e7cf6bc

SHA512
e6839efce3147d8e150a4b83f7588935622eb78dd6b4c12a81f752534c79339bff37208a7b1193b185a6cb16a0c7e71d5798ec6223c41395ac0616ae9bdd20ec

Download Submit
memory/424-176-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/424-177-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/424-174-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/424-160-0x0000000000000000-mapping.dmp

Download
memory/1096-138-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1096-143-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1096-137-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1096-136-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1096-133-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1096-132-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2804-163-0x0000000000000000-mapping.dmp

Download
memory/2804-178-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2804-180-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2804-175-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2804-179-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3372-157-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3372-156-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3372-155-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3372-154-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3372-159-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3372-150-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4200-152-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4200-139-0x0000000000000000-mapping.dmp

Download
memory/4200-144-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4200-158-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads