gh0strat | 326334e4a3df7e38d48fd3366c6346725db8a7ee5fc84ed5dd4b482030ec59ad

General

Target

326334e4a3df7e38d48fd3366c6346725db8a7ee5fc84ed5dd4b482030ec59ad.exe
Size

375KB
MD5

cfd1fd4ca9b32c1523ebba280d85d978
SHA1

8791b2a74fd4d6c4b1cd85ad8a8c35637c19e132
SHA256

326334e4a3df7e38d48fd3366c6346725db8a7ee5fc84ed5dd4b482030ec59ad
SHA512

414991e03251a02868a6ff09641d43d5cdc75ee2a98547b16af34b272ad6049e0d2991885bfcd667bafe5bfb97ee0496defe6813635596b1309d128cfb36c270
SSDEEP

6144:5v5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:54VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral1/memory/444-136-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/444-137-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/444-138-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3104-152-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1960-153-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3104-157-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3104-154-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3104-160-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4904-176-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4888-177-0x0000000010000000-0x0000000010362000-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
1960	SQLSerasi.exe
3104	SQLSerasi.exe
4904	SQLSerasi.exe
4888	SQLSerasi.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral1/memory/444-133-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/444-136-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/444-137-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/444-138-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3104-149-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3104-152-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1960-153-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3104-157-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3104-154-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3104-160-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4904-176-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4888-177-0x0000000010000000-0x0000000010362000-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	326334e4a3df7e38d48fd3366c6346725db8a7ee5fc84ed5dd4b482030ec59ad.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	326334e4a3df7e38d48fd3366c6346725db8a7ee5fc84ed5dd4b482030ec59ad.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	326334e4a3df7e38d48fd3366c6346725db8a7ee5fc84ed5dd4b482030ec59ad.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
3412	3104	WerFault.exe	81

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 (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
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

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	444	326334e4a3df7e38d48fd3366c6346725db8a7ee5fc84ed5dd4b482030ec59ad.exe
Token: SeDebugPrivilege	1960	SQLSerasi.exe
Token: SeDebugPrivilege	3104	SQLSerasi.exe
Token: SeDebugPrivilege	3104	SQLSerasi.exe
Token: SeDebugPrivilege	3104	SQLSerasi.exe
Token: SeDebugPrivilege	4904	SQLSerasi.exe
Token: SeDebugPrivilege	4888	SQLSerasi.exe
Token: SeDebugPrivilege	4904	SQLSerasi.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 444 wrote to memory of 1960	444	326334e4a3df7e38d48fd3366c6346725db8a7ee5fc84ed5dd4b482030ec59ad.exe	80
PID 444 wrote to memory of 1960	444	326334e4a3df7e38d48fd3366c6346725db8a7ee5fc84ed5dd4b482030ec59ad.exe	80
PID 444 wrote to memory of 1960	444	326334e4a3df7e38d48fd3366c6346725db8a7ee5fc84ed5dd4b482030ec59ad.exe	80
PID 3104 wrote to memory of 4904	3104	SQLSerasi.exe	82
PID 3104 wrote to memory of 4904	3104	SQLSerasi.exe	82
PID 3104 wrote to memory of 4904	3104	SQLSerasi.exe	82
PID 3104 wrote to memory of 4888	3104	SQLSerasi.exe	83
PID 3104 wrote to memory of 4888	3104	SQLSerasi.exe	83
PID 3104 wrote to memory of 4888	3104	SQLSerasi.exe	83

C:\Users\Admin\AppData\Local\Temp\326334e4a3df7e38d48fd3366c6346725db8a7ee5fc84ed5dd4b482030ec59ad.exe
"C:\Users\Admin\AppData\Local\Temp\326334e4a3df7e38d48fd3366c6346725db8a7ee5fc84ed5dd4b482030ec59ad.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:444
- 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:1960

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:3104
- 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:4904
- 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:4888
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3104 -s 644
  2⤵
  - Program crash
  PID:3412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3104 -ip 3104
1⤵
PID:1660

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
ba6e2f3cefbaa1be4254dd1fae35b03f

SHA1
fcf52533e5a40c5e7f1262ae0fd078156ece0fb2

SHA256
6358ab24a17f2e7d8855bf28c628b04c14160ab1c876f34a57f22e822094ac6a

SHA512
9d36d0e22779dc0832d3004f9f4eb2306c8622ed966c62f04b78929858000410508643bec24e466075b509a8c4543f2c110be96be480c9dba8b02f4dd8bb94cc

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

Filesize
39.4MB

MD5
ba6e2f3cefbaa1be4254dd1fae35b03f

SHA1
fcf52533e5a40c5e7f1262ae0fd078156ece0fb2

SHA256
6358ab24a17f2e7d8855bf28c628b04c14160ab1c876f34a57f22e822094ac6a

SHA512
9d36d0e22779dc0832d3004f9f4eb2306c8622ed966c62f04b78929858000410508643bec24e466075b509a8c4543f2c110be96be480c9dba8b02f4dd8bb94cc

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

Filesize
39.4MB

MD5
ba6e2f3cefbaa1be4254dd1fae35b03f

SHA1
fcf52533e5a40c5e7f1262ae0fd078156ece0fb2

SHA256
6358ab24a17f2e7d8855bf28c628b04c14160ab1c876f34a57f22e822094ac6a

SHA512
9d36d0e22779dc0832d3004f9f4eb2306c8622ed966c62f04b78929858000410508643bec24e466075b509a8c4543f2c110be96be480c9dba8b02f4dd8bb94cc

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

Filesize
39.4MB

MD5
ba6e2f3cefbaa1be4254dd1fae35b03f

SHA1
fcf52533e5a40c5e7f1262ae0fd078156ece0fb2

SHA256
6358ab24a17f2e7d8855bf28c628b04c14160ab1c876f34a57f22e822094ac6a

SHA512
9d36d0e22779dc0832d3004f9f4eb2306c8622ed966c62f04b78929858000410508643bec24e466075b509a8c4543f2c110be96be480c9dba8b02f4dd8bb94cc

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

Filesize
39.4MB

MD5
ba6e2f3cefbaa1be4254dd1fae35b03f

SHA1
fcf52533e5a40c5e7f1262ae0fd078156ece0fb2

SHA256
6358ab24a17f2e7d8855bf28c628b04c14160ab1c876f34a57f22e822094ac6a

SHA512
9d36d0e22779dc0832d3004f9f4eb2306c8622ed966c62f04b78929858000410508643bec24e466075b509a8c4543f2c110be96be480c9dba8b02f4dd8bb94cc

Download Submit
memory/444-132-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/444-133-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/444-136-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/444-137-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/444-138-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/444-143-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1960-156-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1960-153-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1960-158-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3104-154-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3104-157-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3104-152-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3104-160-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3104-149-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3104-155-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4888-175-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4888-177-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4888-178-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4904-174-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4904-176-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads