gh0strat | 31b60fd32c79383e32ac420e87d054dad4c760e8088cdd8115ef6a25f2921bf9

Analysis

max time kernel
156s
max time network
160s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
03/10/2022, 07:38

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

31b60fd32c79383e32ac420e87d054dad4c760e8088cdd8115ef6a25f2921bf9.exe
Size

375KB
MD5

bef8777c2e803a56cdee15a1cecd736e
SHA1

4f4bf8842c3914bc15859c344180f290247d2796
SHA256

31b60fd32c79383e32ac420e87d054dad4c760e8088cdd8115ef6a25f2921bf9
SHA512

1113a1c336155addd1639d4a566c07cbedaa6118a6019e478425bd08e9b4cebab954223af9c6a18c7eed750956abdca61829753cd5b0f29471fbef5afd56efa9
SSDEEP

6144:rv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:r4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 7 IoCs

resource	yara_rule
behavioral1/memory/2972-172-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2972-173-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2972-174-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3764-246-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4200-301-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1808-359-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4200-371-0x0000000010000000-0x0000000010362000-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
3764	SQLSerasi.exe
4200	SQLSerasi.exe
1808	SQLSerasi.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2972-168-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2972-172-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2972-173-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2972-174-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3764-246-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4200-301-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1808-359-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4200-371-0x0000000010000000-0x0000000010362000-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\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
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\counters2.dat	SQLSerasi.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	31b60fd32c79383e32ac420e87d054dad4c760e8088cdd8115ef6a25f2921bf9.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	31b60fd32c79383e32ac420e87d054dad4c760e8088cdd8115ef6a25f2921bf9.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	2972	31b60fd32c79383e32ac420e87d054dad4c760e8088cdd8115ef6a25f2921bf9.exe
Token: SeDebugPrivilege	3764	SQLSerasi.exe
Token: SeDebugPrivilege	4200	SQLSerasi.exe
Token: SeDebugPrivilege	4200	SQLSerasi.exe
Token: SeDebugPrivilege	1808	SQLSerasi.exe
Token: SeDebugPrivilege	1808	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 3764	2972	31b60fd32c79383e32ac420e87d054dad4c760e8088cdd8115ef6a25f2921bf9.exe	66
PID 2972 wrote to memory of 3764	2972	31b60fd32c79383e32ac420e87d054dad4c760e8088cdd8115ef6a25f2921bf9.exe	66
PID 2972 wrote to memory of 3764	2972	31b60fd32c79383e32ac420e87d054dad4c760e8088cdd8115ef6a25f2921bf9.exe	66
PID 4200 wrote to memory of 1808	4200	SQLSerasi.exe	68
PID 4200 wrote to memory of 1808	4200	SQLSerasi.exe	68
PID 4200 wrote to memory of 1808	4200	SQLSerasi.exe	68

C:\Users\Admin\AppData\Local\Temp\31b60fd32c79383e32ac420e87d054dad4c760e8088cdd8115ef6a25f2921bf9.exe
"C:\Users\Admin\AppData\Local\Temp\31b60fd32c79383e32ac420e87d054dad4c760e8088cdd8115ef6a25f2921bf9.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2972
- 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:3764

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:4200
- 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:1808

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
05a37c9b132ccae85f83c6616b582978

SHA1
e92de32ff473cf9f428553b4d8a308ca7b237c40

SHA256
3a55543996bbd110a000743bec231ecbda3cb80c8c90db4b21f60c6b081b884d

SHA512
fc0c9eb66458f45b19805629a98d7e039d8cadc085288f2941f449b56fd101ac2b0d292d68448b7e73265428ecdcca4a684f5e345d70232d02b13c059794b3e5

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

Filesize
39.4MB

MD5
05a37c9b132ccae85f83c6616b582978

SHA1
e92de32ff473cf9f428553b4d8a308ca7b237c40

SHA256
3a55543996bbd110a000743bec231ecbda3cb80c8c90db4b21f60c6b081b884d

SHA512
fc0c9eb66458f45b19805629a98d7e039d8cadc085288f2941f449b56fd101ac2b0d292d68448b7e73265428ecdcca4a684f5e345d70232d02b13c059794b3e5

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

Filesize
39.4MB

MD5
05a37c9b132ccae85f83c6616b582978

SHA1
e92de32ff473cf9f428553b4d8a308ca7b237c40

SHA256
3a55543996bbd110a000743bec231ecbda3cb80c8c90db4b21f60c6b081b884d

SHA512
fc0c9eb66458f45b19805629a98d7e039d8cadc085288f2941f449b56fd101ac2b0d292d68448b7e73265428ecdcca4a684f5e345d70232d02b13c059794b3e5

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

Filesize
39.4MB

MD5
05a37c9b132ccae85f83c6616b582978

SHA1
e92de32ff473cf9f428553b4d8a308ca7b237c40

SHA256
3a55543996bbd110a000743bec231ecbda3cb80c8c90db4b21f60c6b081b884d

SHA512
fc0c9eb66458f45b19805629a98d7e039d8cadc085288f2941f449b56fd101ac2b0d292d68448b7e73265428ecdcca4a684f5e345d70232d02b13c059794b3e5

Download Submit
memory/1808-372-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1808-359-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2972-154-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-158-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-123-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-124-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-125-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2972-127-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-126-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-128-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-129-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-159-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-131-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-132-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-133-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-134-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-136-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-137-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-135-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-138-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-139-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-140-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-142-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-141-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-143-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-144-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-145-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-146-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-147-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-148-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-149-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-150-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-151-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-152-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-153-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-121-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-155-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-156-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-122-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-157-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-130-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-160-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-161-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-162-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-163-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-164-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-165-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-166-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-167-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-168-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2972-171-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-172-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2972-173-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2972-174-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2972-175-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-176-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-177-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-178-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-179-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2972-180-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-181-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-182-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-183-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-184-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-193-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2972-118-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-119-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-120-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-247-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3764-246-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3764-302-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4200-301-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4200-370-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4200-371-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download