gh0strat | 4d4bbcfc2687bab3270b8d5bcb52708ac64952e73c5890fc58cf244194f93010

General

Target

4d4bbcfc2687bab3270b8d5bcb52708ac64952e73c5890fc58cf244194f93010.exe
Size

375KB
MD5

915ad9039e7c2d790357ff8eb186c6d7
SHA1

b1eb5730bc31bda44f07b5539dadb7ed0c417c85
SHA256

4d4bbcfc2687bab3270b8d5bcb52708ac64952e73c5890fc58cf244194f93010
SHA512

35498d28c90596a4f546027216d9745753df1aa3852e49cdddc795247959df23c04792da782cbeb7748ad1d446dcfdfa9acfe6f93a4ba7c3b08b726ae085dec8
SSDEEP

6144:Cv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:C4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral1/memory/3208-136-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3208-137-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3208-138-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2716-153-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2716-154-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1196-155-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1196-157-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2716-160-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3560-176-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/5044-180-0x0000000010000000-0x0000000010362000-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
1196	SQLSerasi.exe
2716	SQLSerasi.exe
3560	SQLSerasi.exe
5044	SQLSerasi.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3208-133-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3208-136-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3208-137-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3208-138-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2716-150-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2716-153-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2716-154-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1196-155-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2716-160-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3560-176-0x0000000010000000-0x0000000010362000-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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	4d4bbcfc2687bab3270b8d5bcb52708ac64952e73c5890fc58cf244194f93010.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
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
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	SQLSerasi.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	4d4bbcfc2687bab3270b8d5bcb52708ac64952e73c5890fc58cf244194f93010.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	4d4bbcfc2687bab3270b8d5bcb52708ac64952e73c5890fc58cf244194f93010.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
228	2716	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\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
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

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	3208	4d4bbcfc2687bab3270b8d5bcb52708ac64952e73c5890fc58cf244194f93010.exe
Token: SeDebugPrivilege	1196	SQLSerasi.exe
Token: SeDebugPrivilege	2716	SQLSerasi.exe
Token: SeDebugPrivilege	2716	SQLSerasi.exe
Token: SeDebugPrivilege	2716	SQLSerasi.exe
Token: SeDebugPrivilege	3560	SQLSerasi.exe
Token: SeDebugPrivilege	5044	SQLSerasi.exe
Token: SeDebugPrivilege	3560	SQLSerasi.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3208 wrote to memory of 1196	3208	4d4bbcfc2687bab3270b8d5bcb52708ac64952e73c5890fc58cf244194f93010.exe	81
PID 3208 wrote to memory of 1196	3208	4d4bbcfc2687bab3270b8d5bcb52708ac64952e73c5890fc58cf244194f93010.exe	81
PID 3208 wrote to memory of 1196	3208	4d4bbcfc2687bab3270b8d5bcb52708ac64952e73c5890fc58cf244194f93010.exe	81
PID 2716 wrote to memory of 3560	2716	SQLSerasi.exe	85
PID 2716 wrote to memory of 3560	2716	SQLSerasi.exe	85
PID 2716 wrote to memory of 3560	2716	SQLSerasi.exe	85
PID 2716 wrote to memory of 5044	2716	SQLSerasi.exe	84
PID 2716 wrote to memory of 5044	2716	SQLSerasi.exe	84
PID 2716 wrote to memory of 5044	2716	SQLSerasi.exe	84

C:\Users\Admin\AppData\Local\Temp\4d4bbcfc2687bab3270b8d5bcb52708ac64952e73c5890fc58cf244194f93010.exe
"C:\Users\Admin\AppData\Local\Temp\4d4bbcfc2687bab3270b8d5bcb52708ac64952e73c5890fc58cf244194f93010.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3208
- 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:1196

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:2716
- 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:5044
- 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:3560
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2716 -s 576
  2⤵
  - Program crash
  PID:228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2716 -ip 2716
1⤵
PID:208

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
2a08f9f06fb677f707b3fa974ef37dc2

SHA1
5de47e3cf6ad2bcd3c2a0bad4816f8d8a512c24c

SHA256
88b22d705e49ecde84c95adc156851480816d52df5eb9fbc944eb1be519edbdf

SHA512
de6832e0248e69e2b20b2fb096734ebbd47b36f955a3125215d0de378b98d3f77220d22cc3622169aa57d1f0528cd1906d20bde59ab03e690b621cd05e76b15e

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

Filesize
39.4MB

MD5
2a08f9f06fb677f707b3fa974ef37dc2

SHA1
5de47e3cf6ad2bcd3c2a0bad4816f8d8a512c24c

SHA256
88b22d705e49ecde84c95adc156851480816d52df5eb9fbc944eb1be519edbdf

SHA512
de6832e0248e69e2b20b2fb096734ebbd47b36f955a3125215d0de378b98d3f77220d22cc3622169aa57d1f0528cd1906d20bde59ab03e690b621cd05e76b15e

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

Filesize
39.4MB

MD5
2a08f9f06fb677f707b3fa974ef37dc2

SHA1
5de47e3cf6ad2bcd3c2a0bad4816f8d8a512c24c

SHA256
88b22d705e49ecde84c95adc156851480816d52df5eb9fbc944eb1be519edbdf

SHA512
de6832e0248e69e2b20b2fb096734ebbd47b36f955a3125215d0de378b98d3f77220d22cc3622169aa57d1f0528cd1906d20bde59ab03e690b621cd05e76b15e

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

Filesize
39.4MB

MD5
2a08f9f06fb677f707b3fa974ef37dc2

SHA1
5de47e3cf6ad2bcd3c2a0bad4816f8d8a512c24c

SHA256
88b22d705e49ecde84c95adc156851480816d52df5eb9fbc944eb1be519edbdf

SHA512
de6832e0248e69e2b20b2fb096734ebbd47b36f955a3125215d0de378b98d3f77220d22cc3622169aa57d1f0528cd1906d20bde59ab03e690b621cd05e76b15e

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

Filesize
39.4MB

MD5
2a08f9f06fb677f707b3fa974ef37dc2

SHA1
5de47e3cf6ad2bcd3c2a0bad4816f8d8a512c24c

SHA256
88b22d705e49ecde84c95adc156851480816d52df5eb9fbc944eb1be519edbdf

SHA512
de6832e0248e69e2b20b2fb096734ebbd47b36f955a3125215d0de378b98d3f77220d22cc3622169aa57d1f0528cd1906d20bde59ab03e690b621cd05e76b15e

Download Submit
memory/1196-155-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1196-179-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1196-156-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1196-146-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1196-157-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2716-158-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2716-150-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2716-153-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2716-154-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2716-160-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3208-136-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3208-137-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3208-133-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3208-132-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3208-144-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3208-138-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3560-176-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3560-174-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/5044-177-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/5044-178-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/5044-175-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/5044-180-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads