gh0strat | 7532581aec1443042cf37528b841dd62665744f791bb3d6b71afa0c7fd50396a

General

Target

7532581aec1443042cf37528b841dd62665744f791bb3d6b71afa0c7fd50396a.exe
Size

375KB
MD5

8460d9d7782da7018f8ce6a59c86f0b2
SHA1

447e4d09423e60b6a797f34e757f6c880226c0f5
SHA256

7532581aec1443042cf37528b841dd62665744f791bb3d6b71afa0c7fd50396a
SHA512

227ce1574dca01932e1211163db9b8689b2604fcd624c66c13ec78f00af1f32d460ba7f0ff772e91a0115387b50255367b022f66d4716e2e9119e4e1d951a4b6
SSDEEP

6144:Sv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:S4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral1/memory/4444-136-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4444-137-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4444-138-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3320-150-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4916-155-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4916-156-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4916-158-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4916-159-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3672-176-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3708-177-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3708-179-0x0000000010000000-0x0000000010362000-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
3320	SQLSerasi.exe
4916	SQLSerasi.exe
3672	SQLSerasi.exe
3708	SQLSerasi.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4444-133-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4444-136-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4444-137-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4444-138-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4916-149-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3320-150-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4916-155-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4916-156-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4916-158-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4916-159-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3672-176-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3708-177-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3708-179-0x0000000010000000-0x0000000010362000-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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	7532581aec1443042cf37528b841dd62665744f791bb3d6b71afa0c7fd50396a.exe

Drops file in System32 directory 4 IoCs

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

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	7532581aec1443042cf37528b841dd62665744f791bb3d6b71afa0c7fd50396a.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	7532581aec1443042cf37528b841dd62665744f791bb3d6b71afa0c7fd50396a.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
3560	4916	WerFault.exe	82

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
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
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	SQLSerasi.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	4444	7532581aec1443042cf37528b841dd62665744f791bb3d6b71afa0c7fd50396a.exe
Token: SeDebugPrivilege	3320	SQLSerasi.exe
Token: SeDebugPrivilege	4916	SQLSerasi.exe
Token: SeDebugPrivilege	4916	SQLSerasi.exe
Token: SeDebugPrivilege	4916	SQLSerasi.exe
Token: SeDebugPrivilege	3672	SQLSerasi.exe
Token: SeDebugPrivilege	3708	SQLSerasi.exe
Token: SeDebugPrivilege	3708	SQLSerasi.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4444 wrote to memory of 3320	4444	7532581aec1443042cf37528b841dd62665744f791bb3d6b71afa0c7fd50396a.exe	81
PID 4444 wrote to memory of 3320	4444	7532581aec1443042cf37528b841dd62665744f791bb3d6b71afa0c7fd50396a.exe	81
PID 4444 wrote to memory of 3320	4444	7532581aec1443042cf37528b841dd62665744f791bb3d6b71afa0c7fd50396a.exe	81
PID 4916 wrote to memory of 3672	4916	SQLSerasi.exe	84
PID 4916 wrote to memory of 3672	4916	SQLSerasi.exe	84
PID 4916 wrote to memory of 3672	4916	SQLSerasi.exe	84
PID 4916 wrote to memory of 3708	4916	SQLSerasi.exe	85
PID 4916 wrote to memory of 3708	4916	SQLSerasi.exe	85
PID 4916 wrote to memory of 3708	4916	SQLSerasi.exe	85

C:\Users\Admin\AppData\Local\Temp\7532581aec1443042cf37528b841dd62665744f791bb3d6b71afa0c7fd50396a.exe
"C:\Users\Admin\AppData\Local\Temp\7532581aec1443042cf37528b841dd62665744f791bb3d6b71afa0c7fd50396a.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4444
- 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:3320

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:4916
- 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:3672
- 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:3708
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 576
  2⤵
  - Program crash
  PID:3560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4916 -ip 4916
1⤵
PID:616

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
e17e05d0b9819901ec142e51c6539af0

SHA1
5e3fa1b81eb3411167862cce2dfd2ca953d192a4

SHA256
7dc849f744c0988aaa8222780e09af1c9f5e80539ab2d6de4cfd7704dcea5787

SHA512
3ae86a7ebe3807640387ad0640bbe28d3fc552dfce2befb321ae264159f9f64cc8a440e3733036987b2458f433e308e704c18e1f970492e8affa1335f9a55713

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

Filesize
39.4MB

MD5
e17e05d0b9819901ec142e51c6539af0

SHA1
5e3fa1b81eb3411167862cce2dfd2ca953d192a4

SHA256
7dc849f744c0988aaa8222780e09af1c9f5e80539ab2d6de4cfd7704dcea5787

SHA512
3ae86a7ebe3807640387ad0640bbe28d3fc552dfce2befb321ae264159f9f64cc8a440e3733036987b2458f433e308e704c18e1f970492e8affa1335f9a55713

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

Filesize
39.4MB

MD5
e17e05d0b9819901ec142e51c6539af0

SHA1
5e3fa1b81eb3411167862cce2dfd2ca953d192a4

SHA256
7dc849f744c0988aaa8222780e09af1c9f5e80539ab2d6de4cfd7704dcea5787

SHA512
3ae86a7ebe3807640387ad0640bbe28d3fc552dfce2befb321ae264159f9f64cc8a440e3733036987b2458f433e308e704c18e1f970492e8affa1335f9a55713

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

Filesize
39.4MB

MD5
e17e05d0b9819901ec142e51c6539af0

SHA1
5e3fa1b81eb3411167862cce2dfd2ca953d192a4

SHA256
7dc849f744c0988aaa8222780e09af1c9f5e80539ab2d6de4cfd7704dcea5787

SHA512
3ae86a7ebe3807640387ad0640bbe28d3fc552dfce2befb321ae264159f9f64cc8a440e3733036987b2458f433e308e704c18e1f970492e8affa1335f9a55713

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

Filesize
39.4MB

MD5
e17e05d0b9819901ec142e51c6539af0

SHA1
5e3fa1b81eb3411167862cce2dfd2ca953d192a4

SHA256
7dc849f744c0988aaa8222780e09af1c9f5e80539ab2d6de4cfd7704dcea5787

SHA512
3ae86a7ebe3807640387ad0640bbe28d3fc552dfce2befb321ae264159f9f64cc8a440e3733036987b2458f433e308e704c18e1f970492e8affa1335f9a55713

Download Submit
memory/3320-150-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3320-157-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3320-154-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3672-176-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3672-174-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3672-178-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3708-175-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3708-177-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3708-179-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4444-142-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4444-132-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4444-138-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4444-137-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4444-136-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4444-133-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4916-159-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4916-158-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4916-156-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4916-155-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4916-152-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4916-149-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads