gh0strat | d89d1f224bc9be39a7aee173f941f64e79d9570d875209b7b4be1d578b3d1def

General

Target

d89d1f224bc9be39a7aee173f941f64e79d9570d875209b7b4be1d578b3d1def.exe
Size

375KB
MD5

697453602ee8b3699d9dd33a450f5d90
SHA1

c66310cbade6e54558995280b3a4244110075d50
SHA256

d89d1f224bc9be39a7aee173f941f64e79d9570d875209b7b4be1d578b3d1def
SHA512

eabc55fba7f260a385feebe2a66fa41943150b9927c083962e5dfc924cdfd5db24695b9e2e051ea408a5009c87ce033fc57af41a05d8a25e2aaa785f1986dac2
SSDEEP

6144:Hv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:H4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral1/memory/4772-136-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4772-137-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4772-138-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4712-146-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4712-155-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1640-156-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1640-154-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1640-158-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3988-176-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1640-177-0x0000000010000000-0x0000000010362000-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
4712	SQLSerasi.exe
1640	SQLSerasi.exe
3988	SQLSerasi.exe
1992	SQLSerasi.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4772-132-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4772-136-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4772-137-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4772-138-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4712-146-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1640-151-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4712-155-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1640-156-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1640-154-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1640-158-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3988-176-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1640-177-0x0000000010000000-0x0000000010362000-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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	d89d1f224bc9be39a7aee173f941f64e79d9570d875209b7b4be1d578b3d1def.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	d89d1f224bc9be39a7aee173f941f64e79d9570d875209b7b4be1d578b3d1def.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	d89d1f224bc9be39a7aee173f941f64e79d9570d875209b7b4be1d578b3d1def.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
4976	1640	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
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
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

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	4772	d89d1f224bc9be39a7aee173f941f64e79d9570d875209b7b4be1d578b3d1def.exe
Token: SeDebugPrivilege	4712	SQLSerasi.exe
Token: SeDebugPrivilege	1640	SQLSerasi.exe
Token: SeDebugPrivilege	1640	SQLSerasi.exe
Token: SeDebugPrivilege	1640	SQLSerasi.exe
Token: SeDebugPrivilege	3988	SQLSerasi.exe
Token: SeDebugPrivilege	1992	SQLSerasi.exe
Token: SeDebugPrivilege	3988	SQLSerasi.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4772 wrote to memory of 4712	4772	d89d1f224bc9be39a7aee173f941f64e79d9570d875209b7b4be1d578b3d1def.exe	81
PID 4772 wrote to memory of 4712	4772	d89d1f224bc9be39a7aee173f941f64e79d9570d875209b7b4be1d578b3d1def.exe	81
PID 4772 wrote to memory of 4712	4772	d89d1f224bc9be39a7aee173f941f64e79d9570d875209b7b4be1d578b3d1def.exe	81
PID 1640 wrote to memory of 3988	1640	SQLSerasi.exe	83
PID 1640 wrote to memory of 3988	1640	SQLSerasi.exe	83
PID 1640 wrote to memory of 3988	1640	SQLSerasi.exe	83
PID 1640 wrote to memory of 1992	1640	SQLSerasi.exe	85
PID 1640 wrote to memory of 1992	1640	SQLSerasi.exe	85
PID 1640 wrote to memory of 1992	1640	SQLSerasi.exe	85

C:\Users\Admin\AppData\Local\Temp\d89d1f224bc9be39a7aee173f941f64e79d9570d875209b7b4be1d578b3d1def.exe
"C:\Users\Admin\AppData\Local\Temp\d89d1f224bc9be39a7aee173f941f64e79d9570d875209b7b4be1d578b3d1def.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4772
- 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:4712

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:1640
- 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:3988
- 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:1992
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1640 -s 576
  2⤵
  - Program crash
  PID:4976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1640 -ip 1640
1⤵
PID:500

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
6bdeff814862f87d748971084949cc43

SHA1
9dd6791af942b9a5477b08192975d9e56c40d44c

SHA256
97a6e339d6423929ee18600cab4a85c031667125d8213076feecb1280f0c5edb

SHA512
c87ea9355abd371c244e7db103dfadbd7d377869d03ce74d26ceae55168ae0b5d389d7091e3dc76cfa47058c0bea169cecf4c1758739aa777566206de0030108

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

Filesize
39.4MB

MD5
6bdeff814862f87d748971084949cc43

SHA1
9dd6791af942b9a5477b08192975d9e56c40d44c

SHA256
97a6e339d6423929ee18600cab4a85c031667125d8213076feecb1280f0c5edb

SHA512
c87ea9355abd371c244e7db103dfadbd7d377869d03ce74d26ceae55168ae0b5d389d7091e3dc76cfa47058c0bea169cecf4c1758739aa777566206de0030108

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

Filesize
39.4MB

MD5
6bdeff814862f87d748971084949cc43

SHA1
9dd6791af942b9a5477b08192975d9e56c40d44c

SHA256
97a6e339d6423929ee18600cab4a85c031667125d8213076feecb1280f0c5edb

SHA512
c87ea9355abd371c244e7db103dfadbd7d377869d03ce74d26ceae55168ae0b5d389d7091e3dc76cfa47058c0bea169cecf4c1758739aa777566206de0030108

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

Filesize
39.4MB

MD5
6bdeff814862f87d748971084949cc43

SHA1
9dd6791af942b9a5477b08192975d9e56c40d44c

SHA256
97a6e339d6423929ee18600cab4a85c031667125d8213076feecb1280f0c5edb

SHA512
c87ea9355abd371c244e7db103dfadbd7d377869d03ce74d26ceae55168ae0b5d389d7091e3dc76cfa47058c0bea169cecf4c1758739aa777566206de0030108

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

Filesize
39.4MB

MD5
6bdeff814862f87d748971084949cc43

SHA1
9dd6791af942b9a5477b08192975d9e56c40d44c

SHA256
97a6e339d6423929ee18600cab4a85c031667125d8213076feecb1280f0c5edb

SHA512
c87ea9355abd371c244e7db103dfadbd7d377869d03ce74d26ceae55168ae0b5d389d7091e3dc76cfa47058c0bea169cecf4c1758739aa777566206de0030108

Download Submit
memory/1640-157-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1640-156-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1640-154-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1640-177-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1640-158-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1640-151-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1992-175-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3988-176-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3988-174-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4712-146-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4712-148-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4712-159-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4712-155-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4772-135-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4772-138-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4772-132-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4772-142-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4772-137-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4772-136-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads