gh0strat | b03ce97b258ee3ebae207c954628c11734ab5f515a1ffce3513a548e31739d38

Analysis

max time kernel
150s
max time network
142s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
06/09/2022, 14:44

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General

Target

b03ce97b258ee3ebae207c954628c11734ab5f515a1ffce3513a548e31739d38.exe
Size

375KB
MD5

ab90afe5b00f1e64bfa6f472e18bf9ab
SHA1

1933cc780a636c411f16b012b1c3f08b0e0e4331
SHA256

b03ce97b258ee3ebae207c954628c11734ab5f515a1ffce3513a548e31739d38
SHA512

4d61d982264fca02f508f20cdbb70944d666fee47764c753500c9b00961689fc707ecaad4a957af893129df6dd992a643b6bf769c1c4480935d8c7e192faa1c5
SSDEEP

6144:Dv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:D4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 7 IoCs

resource	yara_rule
behavioral1/memory/2484-175-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2484-174-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2484-179-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1040-276-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3404-302-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4516-359-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4516-372-0x0000000010000000-0x0000000010362000-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
1040	SQLSerasi.exe
3404	SQLSerasi.exe
4516	SQLSerasi.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2484-170-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2484-175-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2484-174-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2484-179-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1040-276-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3404-302-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4516-359-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4516-372-0x0000000010000000-0x0000000010362000-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	b03ce97b258ee3ebae207c954628c11734ab5f515a1ffce3513a548e31739d38.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	b03ce97b258ee3ebae207c954628c11734ab5f515a1ffce3513a548e31739d38.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\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
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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	2484	b03ce97b258ee3ebae207c954628c11734ab5f515a1ffce3513a548e31739d38.exe
Token: SeDebugPrivilege	1040	SQLSerasi.exe
Token: SeDebugPrivilege	3404	SQLSerasi.exe
Token: SeDebugPrivilege	3404	SQLSerasi.exe
Token: SeDebugPrivilege	4516	SQLSerasi.exe
Token: SeDebugPrivilege	4516	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 1040	2484	b03ce97b258ee3ebae207c954628c11734ab5f515a1ffce3513a548e31739d38.exe	66
PID 2484 wrote to memory of 1040	2484	b03ce97b258ee3ebae207c954628c11734ab5f515a1ffce3513a548e31739d38.exe	66
PID 2484 wrote to memory of 1040	2484	b03ce97b258ee3ebae207c954628c11734ab5f515a1ffce3513a548e31739d38.exe	66
PID 3404 wrote to memory of 4516	3404	SQLSerasi.exe	68
PID 3404 wrote to memory of 4516	3404	SQLSerasi.exe	68
PID 3404 wrote to memory of 4516	3404	SQLSerasi.exe	68

C:\Users\Admin\AppData\Local\Temp\b03ce97b258ee3ebae207c954628c11734ab5f515a1ffce3513a548e31739d38.exe
"C:\Users\Admin\AppData\Local\Temp\b03ce97b258ee3ebae207c954628c11734ab5f515a1ffce3513a548e31739d38.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2484
- 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:1040

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:3404
- 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:4516

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
63ab504977049e8a55d54c097fd0b01c

SHA1
0f6a3cb894157deddc682f0d0f2255b6d729fac7

SHA256
f756b5aca85652321d2f4b7f62902741ea005de49e6c26320d374ab15cee6af3

SHA512
12f91ad169ffba9c466c0ec53f815ce138b98838d3168e8a8d0e24437e55c62e43ac847981a2949f521693a8e83a6a4a48f95e0954a0609c5c4049f919fb6b88

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

Filesize
39.4MB

MD5
63ab504977049e8a55d54c097fd0b01c

SHA1
0f6a3cb894157deddc682f0d0f2255b6d729fac7

SHA256
f756b5aca85652321d2f4b7f62902741ea005de49e6c26320d374ab15cee6af3

SHA512
12f91ad169ffba9c466c0ec53f815ce138b98838d3168e8a8d0e24437e55c62e43ac847981a2949f521693a8e83a6a4a48f95e0954a0609c5c4049f919fb6b88

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

Filesize
39.4MB

MD5
63ab504977049e8a55d54c097fd0b01c

SHA1
0f6a3cb894157deddc682f0d0f2255b6d729fac7

SHA256
f756b5aca85652321d2f4b7f62902741ea005de49e6c26320d374ab15cee6af3

SHA512
12f91ad169ffba9c466c0ec53f815ce138b98838d3168e8a8d0e24437e55c62e43ac847981a2949f521693a8e83a6a4a48f95e0954a0609c5c4049f919fb6b88

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

Filesize
39.4MB

MD5
63ab504977049e8a55d54c097fd0b01c

SHA1
0f6a3cb894157deddc682f0d0f2255b6d729fac7

SHA256
f756b5aca85652321d2f4b7f62902741ea005de49e6c26320d374ab15cee6af3

SHA512
12f91ad169ffba9c466c0ec53f815ce138b98838d3168e8a8d0e24437e55c62e43ac847981a2949f521693a8e83a6a4a48f95e0954a0609c5c4049f919fb6b88

Download Submit
memory/1040-276-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1040-303-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2484-155-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-154-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-124-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-125-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-126-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-127-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-129-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-128-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-131-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-132-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-133-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-134-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-130-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-135-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-136-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-137-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-138-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-140-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-139-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-141-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-142-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-143-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-144-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-145-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-146-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-147-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-148-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-150-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-149-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-151-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-152-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-122-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-156-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-153-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-123-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2484-157-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-173-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-159-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-160-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-161-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-162-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-163-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-165-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-166-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-168-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-167-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-164-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-170-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2484-169-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-158-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-175-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2484-176-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-177-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-174-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2484-178-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-179-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2484-180-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-181-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-182-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-183-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-121-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-184-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-185-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2484-191-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2484-120-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/3404-302-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3404-370-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4516-359-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4516-371-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4516-372-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download