gh0strat | 321cedd7133397d4000231b10167b9eef3b9deb8ac9b3598bd147cd1ec45fe32

Analysis

max time kernel
134s
max time network
145s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
07/09/2022, 16:54

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

321cedd7133397d4000231b10167b9eef3b9deb8ac9b3598bd147cd1ec45fe32.exe
Size

375KB
MD5

61cb06874f73844a4bbdfbc5432a7790
SHA1

28756c1251f4e7aadffff469685bb99a732278cf
SHA256

321cedd7133397d4000231b10167b9eef3b9deb8ac9b3598bd147cd1ec45fe32
SHA512

141b1d1151fecf40a320a1cc3da5dda95e0b8581cfce23dfaee67da051e3a25e72d3442266da42281c00caafe6252a9cebdfc330fc3e36f9ffedf574c1436c58
SSDEEP

6144:Tv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:T4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/2208-175-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2208-174-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2208-176-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1908-263-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1364-300-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1364-303-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4520-365-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1364-373-0x0000000010000000-0x0000000010362000-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
1908	SQLSerasi.exe
1364	SQLSerasi.exe
4520	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/2208-175-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2208-174-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2208-176-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1908-263-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1364-300-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1364-303-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4520-365-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1364-373-0x0000000010000000-0x0000000010362000-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\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
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

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	321cedd7133397d4000231b10167b9eef3b9deb8ac9b3598bd147cd1ec45fe32.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	321cedd7133397d4000231b10167b9eef3b9deb8ac9b3598bd147cd1ec45fe32.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
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	2208	321cedd7133397d4000231b10167b9eef3b9deb8ac9b3598bd147cd1ec45fe32.exe
Token: SeDebugPrivilege	1908	SQLSerasi.exe
Token: SeDebugPrivilege	1364	SQLSerasi.exe
Token: SeDebugPrivilege	1364	SQLSerasi.exe
Token: SeDebugPrivilege	4520	SQLSerasi.exe
Token: SeDebugPrivilege	4520	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 1908	2208	321cedd7133397d4000231b10167b9eef3b9deb8ac9b3598bd147cd1ec45fe32.exe	66
PID 2208 wrote to memory of 1908	2208	321cedd7133397d4000231b10167b9eef3b9deb8ac9b3598bd147cd1ec45fe32.exe	66
PID 2208 wrote to memory of 1908	2208	321cedd7133397d4000231b10167b9eef3b9deb8ac9b3598bd147cd1ec45fe32.exe	66
PID 1364 wrote to memory of 4520	1364	SQLSerasi.exe	68
PID 1364 wrote to memory of 4520	1364	SQLSerasi.exe	68
PID 1364 wrote to memory of 4520	1364	SQLSerasi.exe	68

C:\Users\Admin\AppData\Local\Temp\321cedd7133397d4000231b10167b9eef3b9deb8ac9b3598bd147cd1ec45fe32.exe
"C:\Users\Admin\AppData\Local\Temp\321cedd7133397d4000231b10167b9eef3b9deb8ac9b3598bd147cd1ec45fe32.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:1908

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:1364
- 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:4520

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

Loading Replay Monitor...

Downloads

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

Filesize
39.4MB

MD5
58998e65fe94c0b9d3774ebb9024f50d

SHA1
a82f7f8e2a4fddd18b498d64655cf2cc64689fcc

SHA256
9beda8ce5e18053fb671d107525f8a6be08c303189391032a9ba9839ba6c4204

SHA512
c7a9e46c54323460bd0af59f830f94f83686cd49cb366bb328ce7af16c2caf439b99f03a06b0ddf6862783d97d90405da02e3e55686ffb7656ee2d555ef91bd5

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

Filesize
39.4MB

MD5
58998e65fe94c0b9d3774ebb9024f50d

SHA1
a82f7f8e2a4fddd18b498d64655cf2cc64689fcc

SHA256
9beda8ce5e18053fb671d107525f8a6be08c303189391032a9ba9839ba6c4204

SHA512
c7a9e46c54323460bd0af59f830f94f83686cd49cb366bb328ce7af16c2caf439b99f03a06b0ddf6862783d97d90405da02e3e55686ffb7656ee2d555ef91bd5

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

Filesize
39.4MB

MD5
58998e65fe94c0b9d3774ebb9024f50d

SHA1
a82f7f8e2a4fddd18b498d64655cf2cc64689fcc

SHA256
9beda8ce5e18053fb671d107525f8a6be08c303189391032a9ba9839ba6c4204

SHA512
c7a9e46c54323460bd0af59f830f94f83686cd49cb366bb328ce7af16c2caf439b99f03a06b0ddf6862783d97d90405da02e3e55686ffb7656ee2d555ef91bd5

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

Filesize
39.4MB

MD5
58998e65fe94c0b9d3774ebb9024f50d

SHA1
a82f7f8e2a4fddd18b498d64655cf2cc64689fcc

SHA256
9beda8ce5e18053fb671d107525f8a6be08c303189391032a9ba9839ba6c4204

SHA512
c7a9e46c54323460bd0af59f830f94f83686cd49cb366bb328ce7af16c2caf439b99f03a06b0ddf6862783d97d90405da02e3e55686ffb7656ee2d555ef91bd5

Download Submit
memory/1364-373-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1364-372-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1364-303-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1364-300-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1908-263-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1908-304-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2208-155-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-161-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-128-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-129-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-130-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-131-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-132-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-133-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-134-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-135-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-136-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-137-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-138-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-139-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-140-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-141-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-142-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-143-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-144-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-145-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-146-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-147-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-148-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-149-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-150-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-151-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-152-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-153-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-154-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-126-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-156-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-157-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-158-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-159-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-160-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-127-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-162-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-163-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-164-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-165-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-166-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-167-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-168-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-169-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

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

Filesize
3.4MB

Download
memory/2208-173-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

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

Filesize
3.4MB

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

Filesize
3.4MB

Download
memory/2208-176-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2208-177-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-178-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-179-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-180-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-181-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-182-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-183-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-184-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-125-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-124-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-123-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-122-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-185-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2208-188-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2208-196-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

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

Filesize
420KB

Download
memory/2208-121-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/4520-365-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4520-374-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download