gh0strat | ce7a3b15a43d4e41d2e92f4beda30bdb9278658bacb28254e1ef74e3887bfc51

Analysis

max time kernel
150s
max time network
140s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
15/09/2022, 04:54

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General

Target

ce7a3b15a43d4e41d2e92f4beda30bdb9278658bacb28254e1ef74e3887bfc51.exe
Size

375KB
MD5

0e2a6a8f19907efeaa1f7d89d2101445
SHA1

b897314497f0be93f1ebedb46423749e511665ad
SHA256

ce7a3b15a43d4e41d2e92f4beda30bdb9278658bacb28254e1ef74e3887bfc51
SHA512

472042938baf02d4540d9c1b1cefdb07688e0234fca5747e1d9d63371fc535d16a2aa06441c7d6b7ed9f4691aaffa45dc54d35cce4c47eb266f28e5c199e007c
SSDEEP

6144:Vv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:V4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/2208-174-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2208-175-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2208-178-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3976-277-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/5004-301-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/5004-304-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4548-361-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4548-362-0x0000000010000000-0x0000000010362000-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
3976	SQLSerasi.exe
5004	SQLSerasi.exe
4548	SQLSerasi.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2208-170-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2208-174-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2208-175-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2208-178-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3976-277-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/5004-301-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/5004-304-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4548-361-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4548-362-0x0000000010000000-0x0000000010362000-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\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\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

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	ce7a3b15a43d4e41d2e92f4beda30bdb9278658bacb28254e1ef74e3887bfc51.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	ce7a3b15a43d4e41d2e92f4beda30bdb9278658bacb28254e1ef74e3887bfc51.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\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\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
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	SQLSerasi.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2208	ce7a3b15a43d4e41d2e92f4beda30bdb9278658bacb28254e1ef74e3887bfc51.exe
Token: SeDebugPrivilege	3976	SQLSerasi.exe
Token: SeDebugPrivilege	5004	SQLSerasi.exe
Token: SeDebugPrivilege	5004	SQLSerasi.exe
Token: SeDebugPrivilege	4548	SQLSerasi.exe
Token: SeDebugPrivilege	4548	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 3976	2208	ce7a3b15a43d4e41d2e92f4beda30bdb9278658bacb28254e1ef74e3887bfc51.exe	66
PID 2208 wrote to memory of 3976	2208	ce7a3b15a43d4e41d2e92f4beda30bdb9278658bacb28254e1ef74e3887bfc51.exe	66
PID 2208 wrote to memory of 3976	2208	ce7a3b15a43d4e41d2e92f4beda30bdb9278658bacb28254e1ef74e3887bfc51.exe	66
PID 5004 wrote to memory of 4548	5004	SQLSerasi.exe	68
PID 5004 wrote to memory of 4548	5004	SQLSerasi.exe	68
PID 5004 wrote to memory of 4548	5004	SQLSerasi.exe	68

C:\Users\Admin\AppData\Local\Temp\ce7a3b15a43d4e41d2e92f4beda30bdb9278658bacb28254e1ef74e3887bfc51.exe
"C:\Users\Admin\AppData\Local\Temp\ce7a3b15a43d4e41d2e92f4beda30bdb9278658bacb28254e1ef74e3887bfc51.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2208
- 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:3976

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:5004
- 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:4548

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
74fbc5a189a7d90f880ab64078f4b4c4

SHA1
40ea5bfa32d8fce08aea84587d7c438513b9caab

SHA256
c288904ef4b3c597adf14f9b79465493048064cc93a4ec32b0d0c9bff4e7c37c

SHA512
58ed688ee9b82f4a7249d5a9cd462ac3991534e976de37b7ec426e64e08337713c756599249d4fb6603f6b52087d31c717c7f40cad22cb28a76db6bc75e1d62c

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

Filesize
39.4MB

MD5
74fbc5a189a7d90f880ab64078f4b4c4

SHA1
40ea5bfa32d8fce08aea84587d7c438513b9caab

SHA256
c288904ef4b3c597adf14f9b79465493048064cc93a4ec32b0d0c9bff4e7c37c

SHA512
58ed688ee9b82f4a7249d5a9cd462ac3991534e976de37b7ec426e64e08337713c756599249d4fb6603f6b52087d31c717c7f40cad22cb28a76db6bc75e1d62c

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

Filesize
39.4MB

MD5
74fbc5a189a7d90f880ab64078f4b4c4

SHA1
40ea5bfa32d8fce08aea84587d7c438513b9caab

SHA256
c288904ef4b3c597adf14f9b79465493048064cc93a4ec32b0d0c9bff4e7c37c

SHA512
58ed688ee9b82f4a7249d5a9cd462ac3991534e976de37b7ec426e64e08337713c756599249d4fb6603f6b52087d31c717c7f40cad22cb28a76db6bc75e1d62c

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

Filesize
39.4MB

MD5
74fbc5a189a7d90f880ab64078f4b4c4

SHA1
40ea5bfa32d8fce08aea84587d7c438513b9caab

SHA256
c288904ef4b3c597adf14f9b79465493048064cc93a4ec32b0d0c9bff4e7c37c

SHA512
58ed688ee9b82f4a7249d5a9cd462ac3991534e976de37b7ec426e64e08337713c756599249d4fb6603f6b52087d31c717c7f40cad22cb28a76db6bc75e1d62c

Download Submit
memory/2208-155-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-158-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-123-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-125-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-124-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-126-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-127-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-128-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-129-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-130-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-131-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-132-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-133-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-134-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-135-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-136-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-137-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-138-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-139-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-140-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-141-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-142-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-143-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-144-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-145-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-146-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-147-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-159-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-149-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-150-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-151-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-152-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-153-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-154-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-121-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-156-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-122-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-157-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-148-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-160-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-161-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-162-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-163-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-164-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-165-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-166-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-167-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-168-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-169-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-170-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2208-173-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-174-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2208-175-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2208-176-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-177-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-178-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2208-179-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-180-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-181-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-182-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-183-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-184-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-185-0x00000000771D0000-0x000000007735E000-memory.dmp

Filesize
1.6MB

Download
memory/2208-194-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2208-120-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3976-277-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3976-302-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4548-361-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4548-362-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4548-373-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/5004-301-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/5004-304-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/5004-372-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download