gh0strat | 9ceb679f29ec6de32fcccfa8029625fd9718f0465c43e683bd288438e3d11249

Analysis

max time kernel
149s
max time network
141s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
04/10/2022, 22:27

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General

Target

9ceb679f29ec6de32fcccfa8029625fd9718f0465c43e683bd288438e3d11249.exe
Size

375KB
MD5

c8318617303ecb0f9b5e53f5fcf1666a
SHA1

07267e0e3f9151fc6136da1c754c2998b12c45be
SHA256

9ceb679f29ec6de32fcccfa8029625fd9718f0465c43e683bd288438e3d11249
SHA512

29da4cb2b38c44a5516cffcc25063fde50005997599df267cded23e5ecc60cc71ef28085cd73ddfc640a639af098a90393f2db95b380d7f50ea3f58fb2567a62
SSDEEP

6144:Uv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:U4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2732-174-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2732-175-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2732-176-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2732-179-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3124-248-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4984-302-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4956-360-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4984-372-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4956-374-0x0000000010000000-0x0000000010362000-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
3124	SQLSerasi.exe
4984	SQLSerasi.exe
4956	SQLSerasi.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2732-170-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2732-174-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2732-175-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2732-176-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2732-179-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3124-248-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4984-302-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4956-360-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4984-372-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4956-374-0x0000000010000000-0x0000000010362000-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	9ceb679f29ec6de32fcccfa8029625fd9718f0465c43e683bd288438e3d11249.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	9ceb679f29ec6de32fcccfa8029625fd9718f0465c43e683bd288438e3d11249.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString	SQLSerasi.exe
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

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	2732	9ceb679f29ec6de32fcccfa8029625fd9718f0465c43e683bd288438e3d11249.exe
Token: SeDebugPrivilege	3124	SQLSerasi.exe
Token: SeDebugPrivilege	4984	SQLSerasi.exe
Token: SeDebugPrivilege	4984	SQLSerasi.exe
Token: SeDebugPrivilege	4956	SQLSerasi.exe
Token: SeDebugPrivilege	4956	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 3124	2732	9ceb679f29ec6de32fcccfa8029625fd9718f0465c43e683bd288438e3d11249.exe	66
PID 2732 wrote to memory of 3124	2732	9ceb679f29ec6de32fcccfa8029625fd9718f0465c43e683bd288438e3d11249.exe	66
PID 2732 wrote to memory of 3124	2732	9ceb679f29ec6de32fcccfa8029625fd9718f0465c43e683bd288438e3d11249.exe	66
PID 4984 wrote to memory of 4956	4984	SQLSerasi.exe	68
PID 4984 wrote to memory of 4956	4984	SQLSerasi.exe	68
PID 4984 wrote to memory of 4956	4984	SQLSerasi.exe	68

C:\Users\Admin\AppData\Local\Temp\9ceb679f29ec6de32fcccfa8029625fd9718f0465c43e683bd288438e3d11249.exe
"C:\Users\Admin\AppData\Local\Temp\9ceb679f29ec6de32fcccfa8029625fd9718f0465c43e683bd288438e3d11249.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2732
- 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:3124

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:4984
- 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:4956

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
cfaa65ac025a9f02099ebe3681e08537

SHA1
555bf67f059a88fda8705a0bd6c720ea2fed9d5a

SHA256
5302aef2f80be70ef3ae9fe7ddd8ab47fb2b3c0da47e71852956d8a81122f675

SHA512
d5fa40e163f8c0af8cfaccfa73c08eca05054ed472a7fdefb62b46f07174bbc4c6cbebe97c54c9e416bed9f04ae79728c57ad9adb851cb8ab51d1110b413fdda

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

Filesize
39.4MB

MD5
cfaa65ac025a9f02099ebe3681e08537

SHA1
555bf67f059a88fda8705a0bd6c720ea2fed9d5a

SHA256
5302aef2f80be70ef3ae9fe7ddd8ab47fb2b3c0da47e71852956d8a81122f675

SHA512
d5fa40e163f8c0af8cfaccfa73c08eca05054ed472a7fdefb62b46f07174bbc4c6cbebe97c54c9e416bed9f04ae79728c57ad9adb851cb8ab51d1110b413fdda

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

Filesize
39.4MB

MD5
cfaa65ac025a9f02099ebe3681e08537

SHA1
555bf67f059a88fda8705a0bd6c720ea2fed9d5a

SHA256
5302aef2f80be70ef3ae9fe7ddd8ab47fb2b3c0da47e71852956d8a81122f675

SHA512
d5fa40e163f8c0af8cfaccfa73c08eca05054ed472a7fdefb62b46f07174bbc4c6cbebe97c54c9e416bed9f04ae79728c57ad9adb851cb8ab51d1110b413fdda

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

Filesize
39.4MB

MD5
cfaa65ac025a9f02099ebe3681e08537

SHA1
555bf67f059a88fda8705a0bd6c720ea2fed9d5a

SHA256
5302aef2f80be70ef3ae9fe7ddd8ab47fb2b3c0da47e71852956d8a81122f675

SHA512
d5fa40e163f8c0af8cfaccfa73c08eca05054ed472a7fdefb62b46f07174bbc4c6cbebe97c54c9e416bed9f04ae79728c57ad9adb851cb8ab51d1110b413fdda

Download Submit
memory/2732-157-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-168-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-124-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2732-123-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-125-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-126-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-127-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-128-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-129-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-130-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-131-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-132-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-121-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-135-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-134-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-136-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-138-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-137-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-139-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-140-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-141-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-143-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-142-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-145-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-146-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-147-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-144-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-148-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-149-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-150-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-151-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-152-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-153-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-154-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-155-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-156-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-133-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-122-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-173-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-160-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-161-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-162-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-163-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-164-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-165-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-166-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-167-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-158-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-169-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-170-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2732-174-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2732-175-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2732-159-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-176-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2732-177-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-178-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-179-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2732-180-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-181-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-182-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-183-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-184-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-185-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-186-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-192-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2732-120-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3124-248-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3124-303-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4956-360-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4956-373-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4956-374-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4984-302-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4984-371-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4984-372-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download