gh0strat | 2dccf6c68f54944470697cc6deb7b54e7216e3fd43f50cae238ccd30a3a96616

General

Target

7a147185df41e77b465e8dba98410ef138dd4a563c14c258eabc74c59197a08e.exe
Size

375KB
MD5

19f69ecc4eb89717486d9c1402aa5bdc
SHA1

72c1725abe5552bdcfa098d161610dcd70de0f46
SHA256

7a147185df41e77b465e8dba98410ef138dd4a563c14c258eabc74c59197a08e
SHA512

baedbafb735ed61b0997a045248bafce341fa59182984c7b49810af67ad6ed5b24b13ed79bedb17b2a8ed6e9c08721bd84624a3e9e6594acd32fb661da090d66
SSDEEP

6144:9v5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:94VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 7 IoCs

resource	yara_rule
behavioral1/memory/2028-58-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2028-59-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2028-61-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1760-74-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1872-89-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1532-95-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1532-101-0x0000000010000000-0x0000000010362000-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
1760	SQLSerasi.exe
1872	SQLSerasi.exe
1532	SQLSerasi.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2028-55-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2028-58-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2028-59-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2028-61-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1760-71-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1760-74-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1872-89-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1532-95-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1532-101-0x0000000010000000-0x0000000010362000-memory.dmp	upx

Loads dropped DLL 5 IoCs

pid	Process
2028	7a147185df41e77b465e8dba98410ef138dd4a563c14c258eabc74c59197a08e.exe
1416	WerFault.exe
1416	WerFault.exe
1416	WerFault.exe
1416	WerFault.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	SQLSerasi.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	7a147185df41e77b465e8dba98410ef138dd4a563c14c258eabc74c59197a08e.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	7a147185df41e77b465e8dba98410ef138dd4a563c14c258eabc74c59197a08e.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
1416	1872	WerFault.exe	28

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 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	SQLSerasi.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	SQLSerasi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	SQLSerasi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3FC8BC12-6529-4CF7-93D5-68187D02130E}\WpadDecision = "0"	SQLSerasi.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3FC8BC12-6529-4CF7-93D5-68187D02130E}\76-03-fd-b3-6a-ca	SQLSerasi.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	SQLSerasi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	SQLSerasi.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	SQLSerasi.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	SQLSerasi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3FC8BC12-6529-4CF7-93D5-68187D02130E}\WpadDecisionReason = "1"	SQLSerasi.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3FC8BC12-6529-4CF7-93D5-68187D02130E}\WpadNetworkName = "Network 2"	SQLSerasi.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\76-03-fd-b3-6a-ca	SQLSerasi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\76-03-fd-b3-6a-ca\WpadDecision = "0"	SQLSerasi.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	SQLSerasi.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	SQLSerasi.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	SQLSerasi.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3FC8BC12-6529-4CF7-93D5-68187D02130E}	SQLSerasi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\76-03-fd-b3-6a-ca\WpadDecisionReason = "1"	SQLSerasi.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\76-03-fd-b3-6a-ca\WpadDecisionTime = 907f956e27c2d801	SQLSerasi.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	SQLSerasi.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	SQLSerasi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	SQLSerasi.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3FC8BC12-6529-4CF7-93D5-68187D02130E}\WpadDecisionTime = 907f956e27c2d801	SQLSerasi.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f001d000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	SQLSerasi.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2028	7a147185df41e77b465e8dba98410ef138dd4a563c14c258eabc74c59197a08e.exe
Token: SeDebugPrivilege	1760	SQLSerasi.exe
Token: SeDebugPrivilege	1872	SQLSerasi.exe
Token: SeDebugPrivilege	1872	SQLSerasi.exe
Token: SeDebugPrivilege	1532	SQLSerasi.exe
Token: SeDebugPrivilege	1532	SQLSerasi.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 1760	2028	7a147185df41e77b465e8dba98410ef138dd4a563c14c258eabc74c59197a08e.exe	27
PID 2028 wrote to memory of 1760	2028	7a147185df41e77b465e8dba98410ef138dd4a563c14c258eabc74c59197a08e.exe	27
PID 2028 wrote to memory of 1760	2028	7a147185df41e77b465e8dba98410ef138dd4a563c14c258eabc74c59197a08e.exe	27
PID 2028 wrote to memory of 1760	2028	7a147185df41e77b465e8dba98410ef138dd4a563c14c258eabc74c59197a08e.exe	27
PID 1872 wrote to memory of 1532	1872	SQLSerasi.exe	29
PID 1872 wrote to memory of 1532	1872	SQLSerasi.exe	29
PID 1872 wrote to memory of 1532	1872	SQLSerasi.exe	29
PID 1872 wrote to memory of 1532	1872	SQLSerasi.exe	29
PID 1872 wrote to memory of 1416	1872	SQLSerasi.exe	30
PID 1872 wrote to memory of 1416	1872	SQLSerasi.exe	30
PID 1872 wrote to memory of 1416	1872	SQLSerasi.exe	30
PID 1872 wrote to memory of 1416	1872	SQLSerasi.exe	30

C:\Users\Admin\AppData\Local\Temp\7a147185df41e77b465e8dba98410ef138dd4a563c14c258eabc74c59197a08e.exe
"C:\Users\Admin\AppData\Local\Temp\7a147185df41e77b465e8dba98410ef138dd4a563c14c258eabc74c59197a08e.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2028
- 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:1760

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:1872
- 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:1532
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1872 -s 352
  2⤵
  - Loads dropped DLL
  - Program crash
  PID:1416

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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
ad3b7308f91f9481f682f89c26d725be

SHA1
0c88ae5f8b3217e0c3578a45f02005b386b51f4d

SHA256
ad718edc9e1c10c7ecb892d1443832f807163ac13a6fa1193b82eb1abd6b1a4b

SHA512
f21020084d9eae6fb38def7d10e0e3e9ce6ae0fdb8e6dbc1ffb148c0421b6ed5452587341cfc2c14d9e6401559e80b8794b448eae7eb42cef02b148d4d9c66b5

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

Filesize
39.4MB

MD5
ad3b7308f91f9481f682f89c26d725be

SHA1
0c88ae5f8b3217e0c3578a45f02005b386b51f4d

SHA256
ad718edc9e1c10c7ecb892d1443832f807163ac13a6fa1193b82eb1abd6b1a4b

SHA512
f21020084d9eae6fb38def7d10e0e3e9ce6ae0fdb8e6dbc1ffb148c0421b6ed5452587341cfc2c14d9e6401559e80b8794b448eae7eb42cef02b148d4d9c66b5

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

Filesize
39.4MB

MD5
ad3b7308f91f9481f682f89c26d725be

SHA1
0c88ae5f8b3217e0c3578a45f02005b386b51f4d

SHA256
ad718edc9e1c10c7ecb892d1443832f807163ac13a6fa1193b82eb1abd6b1a4b

SHA512
f21020084d9eae6fb38def7d10e0e3e9ce6ae0fdb8e6dbc1ffb148c0421b6ed5452587341cfc2c14d9e6401559e80b8794b448eae7eb42cef02b148d4d9c66b5

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

Filesize
39.4MB

MD5
ad3b7308f91f9481f682f89c26d725be

SHA1
0c88ae5f8b3217e0c3578a45f02005b386b51f4d

SHA256
ad718edc9e1c10c7ecb892d1443832f807163ac13a6fa1193b82eb1abd6b1a4b

SHA512
f21020084d9eae6fb38def7d10e0e3e9ce6ae0fdb8e6dbc1ffb148c0421b6ed5452587341cfc2c14d9e6401559e80b8794b448eae7eb42cef02b148d4d9c66b5

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

Filesize
39.4MB

MD5
ad3b7308f91f9481f682f89c26d725be

SHA1
0c88ae5f8b3217e0c3578a45f02005b386b51f4d

SHA256
ad718edc9e1c10c7ecb892d1443832f807163ac13a6fa1193b82eb1abd6b1a4b

SHA512
f21020084d9eae6fb38def7d10e0e3e9ce6ae0fdb8e6dbc1ffb148c0421b6ed5452587341cfc2c14d9e6401559e80b8794b448eae7eb42cef02b148d4d9c66b5

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

Filesize
39.4MB

MD5
ad3b7308f91f9481f682f89c26d725be

SHA1
0c88ae5f8b3217e0c3578a45f02005b386b51f4d

SHA256
ad718edc9e1c10c7ecb892d1443832f807163ac13a6fa1193b82eb1abd6b1a4b

SHA512
f21020084d9eae6fb38def7d10e0e3e9ce6ae0fdb8e6dbc1ffb148c0421b6ed5452587341cfc2c14d9e6401559e80b8794b448eae7eb42cef02b148d4d9c66b5

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

Filesize
39.4MB

MD5
ad3b7308f91f9481f682f89c26d725be

SHA1
0c88ae5f8b3217e0c3578a45f02005b386b51f4d

SHA256
ad718edc9e1c10c7ecb892d1443832f807163ac13a6fa1193b82eb1abd6b1a4b

SHA512
f21020084d9eae6fb38def7d10e0e3e9ce6ae0fdb8e6dbc1ffb148c0421b6ed5452587341cfc2c14d9e6401559e80b8794b448eae7eb42cef02b148d4d9c66b5

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

Filesize
39.4MB

MD5
ad3b7308f91f9481f682f89c26d725be

SHA1
0c88ae5f8b3217e0c3578a45f02005b386b51f4d

SHA256
ad718edc9e1c10c7ecb892d1443832f807163ac13a6fa1193b82eb1abd6b1a4b

SHA512
f21020084d9eae6fb38def7d10e0e3e9ce6ae0fdb8e6dbc1ffb148c0421b6ed5452587341cfc2c14d9e6401559e80b8794b448eae7eb42cef02b148d4d9c66b5

Download Submit
memory/1532-100-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1532-101-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1532-87-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1532-95-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1760-71-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1760-73-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1760-74-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1760-83-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1872-78-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1872-89-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2028-61-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2028-60-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2028-59-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2028-58-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2028-55-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2028-54-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

Download
memory/2028-66-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download

Analysis

Sharing