gh0strat | dcbefe5f882c228d2382ccdc6caac35cd790b1e82f402766527e0ad40c738b07

Analysis

max time kernel
143s
max time network
147s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
11/10/2022, 03:43

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General

Target

dcbefe5f882c228d2382ccdc6caac35cd790b1e82f402766527e0ad40c738b07.exe
Size

375KB
MD5

717134ce585b8c86a55912e9c116c0f4
SHA1

3d4c8dc5556a594d841885289fb141b905192d1f
SHA256

dcbefe5f882c228d2382ccdc6caac35cd790b1e82f402766527e0ad40c738b07
SHA512

888d211049994f732f0615bf4a75d990eebca841e5e5f4d031fb87324fb924a2c192601be7387887585359c94a006927a24040921dc540778cd93cf9b9a8d9e1
SSDEEP

6144:Bv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:B4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2016-174-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2016-176-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2016-177-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2016-178-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2016-190-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4204-277-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4892-304-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1776-363-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4892-374-0x0000000010000000-0x0000000010362000-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
4204	SQLSerasi.exe
4892	SQLSerasi.exe
1776	SQLSerasi.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2016-171-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2016-174-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2016-176-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2016-177-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2016-178-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2016-190-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4204-277-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4892-304-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1776-363-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4892-374-0x0000000010000000-0x0000000010362000-memory.dmp	upx

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\counters2.dat	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
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	dcbefe5f882c228d2382ccdc6caac35cd790b1e82f402766527e0ad40c738b07.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	dcbefe5f882c228d2382ccdc6caac35cd790b1e82f402766527e0ad40c738b07.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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\2	SQLSerasi.exe
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

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 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2016	dcbefe5f882c228d2382ccdc6caac35cd790b1e82f402766527e0ad40c738b07.exe
Token: SeDebugPrivilege	4204	SQLSerasi.exe
Token: SeDebugPrivilege	4892	SQLSerasi.exe
Token: SeDebugPrivilege	4892	SQLSerasi.exe
Token: SeDebugPrivilege	1776	SQLSerasi.exe
Token: SeDebugPrivilege	1776	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 4204	2016	dcbefe5f882c228d2382ccdc6caac35cd790b1e82f402766527e0ad40c738b07.exe	66
PID 2016 wrote to memory of 4204	2016	dcbefe5f882c228d2382ccdc6caac35cd790b1e82f402766527e0ad40c738b07.exe	66
PID 2016 wrote to memory of 4204	2016	dcbefe5f882c228d2382ccdc6caac35cd790b1e82f402766527e0ad40c738b07.exe	66
PID 4892 wrote to memory of 1776	4892	SQLSerasi.exe	68
PID 4892 wrote to memory of 1776	4892	SQLSerasi.exe	68
PID 4892 wrote to memory of 1776	4892	SQLSerasi.exe	68

C:\Users\Admin\AppData\Local\Temp\dcbefe5f882c228d2382ccdc6caac35cd790b1e82f402766527e0ad40c738b07.exe
"C:\Users\Admin\AppData\Local\Temp\dcbefe5f882c228d2382ccdc6caac35cd790b1e82f402766527e0ad40c738b07.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2016
- 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:4204

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:4892
- 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:1776

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

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
db3b2dc05fe0346f4328ddf594503879

SHA1
7bf61e616cc3864381ccac37372f060aed4d7103

SHA256
6a0163afd3825db673b8940c152e4f75811139a23e2a9843e2de12ffe3d9fec3

SHA512
171a64ce8e599272c5da18b326a9030d80e5abb297597e0de8db8617860925b30d58628a12e32e60608b41bfc566ffc770221fe8a119ef508f6e348ec60c6b03

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

Filesize
39.4MB

MD5
db3b2dc05fe0346f4328ddf594503879

SHA1
7bf61e616cc3864381ccac37372f060aed4d7103

SHA256
6a0163afd3825db673b8940c152e4f75811139a23e2a9843e2de12ffe3d9fec3

SHA512
171a64ce8e599272c5da18b326a9030d80e5abb297597e0de8db8617860925b30d58628a12e32e60608b41bfc566ffc770221fe8a119ef508f6e348ec60c6b03

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

Filesize
39.4MB

MD5
db3b2dc05fe0346f4328ddf594503879

SHA1
7bf61e616cc3864381ccac37372f060aed4d7103

SHA256
6a0163afd3825db673b8940c152e4f75811139a23e2a9843e2de12ffe3d9fec3

SHA512
171a64ce8e599272c5da18b326a9030d80e5abb297597e0de8db8617860925b30d58628a12e32e60608b41bfc566ffc770221fe8a119ef508f6e348ec60c6b03

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

Filesize
39.4MB

MD5
db3b2dc05fe0346f4328ddf594503879

SHA1
7bf61e616cc3864381ccac37372f060aed4d7103

SHA256
6a0163afd3825db673b8940c152e4f75811139a23e2a9843e2de12ffe3d9fec3

SHA512
171a64ce8e599272c5da18b326a9030d80e5abb297597e0de8db8617860925b30d58628a12e32e60608b41bfc566ffc770221fe8a119ef508f6e348ec60c6b03

Download Submit
memory/1776-375-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1776-363-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2016-156-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2016-169-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-125-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-126-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-127-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-128-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-129-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-130-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-131-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-132-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-159-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-134-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-135-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-136-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-137-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-138-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-139-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-140-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-141-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-142-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-143-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-144-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-145-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-146-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-147-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-148-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-150-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-149-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-152-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-151-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-153-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-154-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-155-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-123-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-161-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-158-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-133-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-124-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-157-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-163-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-162-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-164-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-165-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-166-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-167-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-168-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-160-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-170-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-171-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2016-174-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2016-175-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-176-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2016-177-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2016-178-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2016-179-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-180-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-181-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-182-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-183-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-184-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-185-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-186-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-187-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-190-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2016-202-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2016-121-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2016-120-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/2016-122-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/4204-277-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4204-305-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4892-304-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4892-373-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4892-374-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download