gh0strat | 7723b5366dbb1cc1b938b40ae92e0358606f9b2ecdbc6fafb293122321dd6745

Analysis

max time kernel
149s
max time network
140s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
28-09-2022 21:10

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General

Target

7723b5366dbb1cc1b938b40ae92e0358606f9b2ecdbc6fafb293122321dd6745.exe
Size

375KB
MD5

6e88129acc7327239b2af89f38f6b695
SHA1

00d379002a2c4518ac53c66aaeae71d2adeb6b96
SHA256

7723b5366dbb1cc1b938b40ae92e0358606f9b2ecdbc6fafb293122321dd6745
SHA512

ab7335deeeed17ce55524143245bc1d9845e718c9e109cdf873f7187ed4c04bf80014843f7049c938cb66e7f36b8a16c28e43b14499830d6318319c0c12ab3cc
SSDEEP

6144:Xv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:X4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2744-174-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2744-175-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2744-176-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2744-178-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3420-252-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4988-301-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4988-305-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4964-361-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4964-363-0x0000000010000000-0x0000000010362000-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
3420	SQLSerasi.exe
4988	SQLSerasi.exe
4964	SQLSerasi.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2744-170-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2744-174-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2744-175-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2744-176-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2744-178-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3420-252-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4988-301-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4988-305-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4964-361-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4964-363-0x0000000010000000-0x0000000010362000-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	7723b5366dbb1cc1b938b40ae92e0358606f9b2ecdbc6fafb293122321dd6745.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	7723b5366dbb1cc1b938b40ae92e0358606f9b2ecdbc6fafb293122321dd6745.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
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
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

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2744	7723b5366dbb1cc1b938b40ae92e0358606f9b2ecdbc6fafb293122321dd6745.exe
Token: SeDebugPrivilege	3420	SQLSerasi.exe
Token: SeDebugPrivilege	4988	SQLSerasi.exe
Token: SeDebugPrivilege	4988	SQLSerasi.exe
Token: SeDebugPrivilege	4964	SQLSerasi.exe
Token: SeDebugPrivilege	4964	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 3420	2744	7723b5366dbb1cc1b938b40ae92e0358606f9b2ecdbc6fafb293122321dd6745.exe	66
PID 2744 wrote to memory of 3420	2744	7723b5366dbb1cc1b938b40ae92e0358606f9b2ecdbc6fafb293122321dd6745.exe	66
PID 2744 wrote to memory of 3420	2744	7723b5366dbb1cc1b938b40ae92e0358606f9b2ecdbc6fafb293122321dd6745.exe	66
PID 4988 wrote to memory of 4964	4988	SQLSerasi.exe	68
PID 4988 wrote to memory of 4964	4988	SQLSerasi.exe	68
PID 4988 wrote to memory of 4964	4988	SQLSerasi.exe	68

C:\Users\Admin\AppData\Local\Temp\7723b5366dbb1cc1b938b40ae92e0358606f9b2ecdbc6fafb293122321dd6745.exe
"C:\Users\Admin\AppData\Local\Temp\7723b5366dbb1cc1b938b40ae92e0358606f9b2ecdbc6fafb293122321dd6745.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2744
- 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:3420

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:4988
- 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:4964

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
9836eeef4dccaf0c23f00e4c7b17646a

SHA1
c1a15d06420be7871b3a0281955e91384e951224

SHA256
3bc997f7d3ee6163f8e95eb0c2a5a8d96dbaa8902fa44640f9d40b3a55fc3d91

SHA512
93c06bb12673a362d3779a5564d46192479b3c61453f1a0f995f9c89f9fc19deaa6ae50476918f899ea8aeeeeb4c4f4eb502894644f36dfa6a47b1ef00d36e24

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

Filesize
39.4MB

MD5
9836eeef4dccaf0c23f00e4c7b17646a

SHA1
c1a15d06420be7871b3a0281955e91384e951224

SHA256
3bc997f7d3ee6163f8e95eb0c2a5a8d96dbaa8902fa44640f9d40b3a55fc3d91

SHA512
93c06bb12673a362d3779a5564d46192479b3c61453f1a0f995f9c89f9fc19deaa6ae50476918f899ea8aeeeeb4c4f4eb502894644f36dfa6a47b1ef00d36e24

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

Filesize
39.4MB

MD5
9836eeef4dccaf0c23f00e4c7b17646a

SHA1
c1a15d06420be7871b3a0281955e91384e951224

SHA256
3bc997f7d3ee6163f8e95eb0c2a5a8d96dbaa8902fa44640f9d40b3a55fc3d91

SHA512
93c06bb12673a362d3779a5564d46192479b3c61453f1a0f995f9c89f9fc19deaa6ae50476918f899ea8aeeeeb4c4f4eb502894644f36dfa6a47b1ef00d36e24

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

Filesize
39.4MB

MD5
9836eeef4dccaf0c23f00e4c7b17646a

SHA1
c1a15d06420be7871b3a0281955e91384e951224

SHA256
3bc997f7d3ee6163f8e95eb0c2a5a8d96dbaa8902fa44640f9d40b3a55fc3d91

SHA512
93c06bb12673a362d3779a5564d46192479b3c61453f1a0f995f9c89f9fc19deaa6ae50476918f899ea8aeeeeb4c4f4eb502894644f36dfa6a47b1ef00d36e24

Download Submit
memory/2744-157-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-192-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2744-123-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-124-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-125-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-126-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-127-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-129-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-128-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2744-130-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-133-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-132-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-135-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-134-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-131-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-136-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-138-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-137-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-139-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-140-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-141-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-142-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-143-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-145-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-144-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-146-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-147-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-148-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-149-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-150-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-152-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-151-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-153-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-154-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-155-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-156-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-169-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-158-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-122-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-160-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-161-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-162-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-163-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-164-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-165-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-166-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-167-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-168-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-121-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-170-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2744-173-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-174-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2744-175-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2744-176-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2744-177-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-179-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-178-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2744-180-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-181-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-182-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-183-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-184-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-185-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-186-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-159-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-120-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3420-252-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3420-303-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4964-361-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4964-363-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4964-374-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4988-301-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4988-305-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4988-373-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download