gh0strat | 517c57c3996f8aef1df04fac777082b78771476c627849898f4a435d0e540278

General

Target

517c57c3996f8aef1df04fac777082b78771476c627849898f4a435d0e540278.exe
Size

375KB
MD5

c51d0fdd78ca5e509f20769db737486b
SHA1

fb98116951beb903e34955e566b16ee3f53ef419
SHA256

517c57c3996f8aef1df04fac777082b78771476c627849898f4a435d0e540278
SHA512

3cf0251c49e24417bc7e8554c1e6a3bf3dda9a35c7a610437c409fa5348379b5839ef65ebf6192d73652d787eef1e105e43db991b8fe5e87e841b7268613e7ec

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 10 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1372-134-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1372-135-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1372-136-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/840-152-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1032-151-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/840-154-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/840-157-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/840-158-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2644-175-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4456-178-0x0000000010000000-0x0000000010362000-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

Processes:

SQLSerasi.exeSQLSerasi.exeSQLSerasi.exeSQLSerasi.exe

pid process

1032 SQLSerasi.exe
840 SQLSerasi.exe
2644 SQLSerasi.exe
4456 SQLSerasi.exe

pid	process
1032	SQLSerasi.exe
840	SQLSerasi.exe
2644	SQLSerasi.exe
4456	SQLSerasi.exe

UPX packed file 11 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1372-131-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1372-134-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1372-135-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1372-136-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/840-148-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/840-152-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1032-151-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/840-154-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/840-157-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/840-158-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2644-175-0x0000000010000000-0x0000000010362000-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

Processes:

517c57c3996f8aef1df04fac777082b78771476c627849898f4a435d0e540278.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\International\Geo\Nation	517c57c3996f8aef1df04fac777082b78771476c627849898f4a435d0e540278.exe

Drops file in System32 directory 4 IoCs

Processes:

SQLSerasi.exe

description	ioc	process
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

Processes:

517c57c3996f8aef1df04fac777082b78771476c627849898f4a435d0e540278.exe

description	ioc	process
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	517c57c3996f8aef1df04fac777082b78771476c627849898f4a435d0e540278.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	517c57c3996f8aef1df04fac777082b78771476c627849898f4a435d0e540278.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

Processes:

WerFault.exe

pid pid_target process target process

3588 840 WerFault.exe SQLSerasi.exe

pid	pid_target	process	target process
3588	840	WerFault.exe	SQLSerasi.exe

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

Processes:

SQLSerasi.exe

description	ioc	process
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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	SQLSerasi.exe

Modifies data under HKEY_USERS 8 IoCs

Processes:

SQLSerasi.exe

description	ioc	process
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
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	SQLSerasi.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

517c57c3996f8aef1df04fac777082b78771476c627849898f4a435d0e540278.exeSQLSerasi.exeSQLSerasi.exeSQLSerasi.exeSQLSerasi.exe

description	pid	process
Token: SeDebugPrivilege	1372	517c57c3996f8aef1df04fac777082b78771476c627849898f4a435d0e540278.exe
Token: SeDebugPrivilege	1032	SQLSerasi.exe
Token: SeDebugPrivilege	840	SQLSerasi.exe
Token: SeDebugPrivilege	840	SQLSerasi.exe
Token: SeDebugPrivilege	840	SQLSerasi.exe
Token: SeDebugPrivilege	2644	SQLSerasi.exe
Token: SeDebugPrivilege	4456	SQLSerasi.exe
Token: SeDebugPrivilege	2644	SQLSerasi.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

517c57c3996f8aef1df04fac777082b78771476c627849898f4a435d0e540278.exeSQLSerasi.exe

description	pid	process	target process
PID 1372 wrote to memory of 1032	1372	517c57c3996f8aef1df04fac777082b78771476c627849898f4a435d0e540278.exe	SQLSerasi.exe
PID 1372 wrote to memory of 1032	1372	517c57c3996f8aef1df04fac777082b78771476c627849898f4a435d0e540278.exe	SQLSerasi.exe
PID 1372 wrote to memory of 1032	1372	517c57c3996f8aef1df04fac777082b78771476c627849898f4a435d0e540278.exe	SQLSerasi.exe
PID 840 wrote to memory of 2644	840	SQLSerasi.exe	SQLSerasi.exe
PID 840 wrote to memory of 2644	840	SQLSerasi.exe	SQLSerasi.exe
PID 840 wrote to memory of 2644	840	SQLSerasi.exe	SQLSerasi.exe
PID 840 wrote to memory of 4456	840	SQLSerasi.exe	SQLSerasi.exe
PID 840 wrote to memory of 4456	840	SQLSerasi.exe	SQLSerasi.exe
PID 840 wrote to memory of 4456	840	SQLSerasi.exe	SQLSerasi.exe

C:\Users\Admin\AppData\Local\Temp\517c57c3996f8aef1df04fac777082b78771476c627849898f4a435d0e540278.exe
"C:\Users\Admin\AppData\Local\Temp\517c57c3996f8aef1df04fac777082b78771476c627849898f4a435d0e540278.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1372
- 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:1032

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:840
- 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:4456
- 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:2644
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 840 -s 648
  2⤵
  - Program crash
  PID:3588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 840 -ip 840
1⤵
PID:4888

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

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Downloads

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

Filesize
39.4MB

MD5
851dcf7cd2804059b7084dfca745db7d

SHA1
b421bbb34e6f2f18fd65e50bae5edc007ce83054

SHA256
05c7baf0edb09f748aa65242e7c3271dfe1218a25ab505a7d970687a074b6d34

SHA512
1d3a01e34056c802f865979efe3688e0884b8840842a8ecd161fb39c0cc0d851fa1c962efeea41aaef9a34e0e83b19656a8f8d4429dda090d27187fa92d6160b

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

Filesize
39.4MB

MD5
851dcf7cd2804059b7084dfca745db7d

SHA1
b421bbb34e6f2f18fd65e50bae5edc007ce83054

SHA256
05c7baf0edb09f748aa65242e7c3271dfe1218a25ab505a7d970687a074b6d34

SHA512
1d3a01e34056c802f865979efe3688e0884b8840842a8ecd161fb39c0cc0d851fa1c962efeea41aaef9a34e0e83b19656a8f8d4429dda090d27187fa92d6160b

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

Filesize
39.4MB

MD5
851dcf7cd2804059b7084dfca745db7d

SHA1
b421bbb34e6f2f18fd65e50bae5edc007ce83054

SHA256
05c7baf0edb09f748aa65242e7c3271dfe1218a25ab505a7d970687a074b6d34

SHA512
1d3a01e34056c802f865979efe3688e0884b8840842a8ecd161fb39c0cc0d851fa1c962efeea41aaef9a34e0e83b19656a8f8d4429dda090d27187fa92d6160b

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

Filesize
39.4MB

MD5
851dcf7cd2804059b7084dfca745db7d

SHA1
b421bbb34e6f2f18fd65e50bae5edc007ce83054

SHA256
05c7baf0edb09f748aa65242e7c3271dfe1218a25ab505a7d970687a074b6d34

SHA512
1d3a01e34056c802f865979efe3688e0884b8840842a8ecd161fb39c0cc0d851fa1c962efeea41aaef9a34e0e83b19656a8f8d4429dda090d27187fa92d6160b

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

Filesize
39.4MB

MD5
851dcf7cd2804059b7084dfca745db7d

SHA1
b421bbb34e6f2f18fd65e50bae5edc007ce83054

SHA256
05c7baf0edb09f748aa65242e7c3271dfe1218a25ab505a7d970687a074b6d34

SHA512
1d3a01e34056c802f865979efe3688e0884b8840842a8ecd161fb39c0cc0d851fa1c962efeea41aaef9a34e0e83b19656a8f8d4429dda090d27187fa92d6160b

Download Submit
memory/840-158-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/840-157-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/840-154-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/840-148-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/840-153-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/840-152-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1032-151-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1032-138-0x0000000000000000-mapping.dmp

Download
memory/1032-156-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1032-155-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1372-131-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1372-142-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1372-134-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1372-135-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1372-130-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1372-136-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1372-137-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2644-175-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2644-159-0x0000000000000000-mapping.dmp

Download
memory/2644-173-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4456-161-0x0000000000000000-mapping.dmp

Download
memory/4456-174-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4456-176-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4456-177-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4456-178-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads