gh0strat | 58d686d2e6d1bbffd11423d9aa12be20fa853508477edabf8de99938f3c5d5c4

Analysis

max time kernel
145s
max time network
136s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
20/09/2022, 15:55

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General

Target

58d686d2e6d1bbffd11423d9aa12be20fa853508477edabf8de99938f3c5d5c4.exe
Size

375KB
MD5

cf97afd7801a1107d30d141f569952a5
SHA1

85c1f4208dd000a73b1bc5c188c882a79048c932
SHA256

58d686d2e6d1bbffd11423d9aa12be20fa853508477edabf8de99938f3c5d5c4
SHA512

fb6bea566a013ed2f599b3d230e88d375a8253cf56f1dda0b14e175ecb63518a4564d1d682712e897f84576c6b4ad8ec2ca0c982c5d49886c096317bbb901ffd
SSDEEP

6144:Kv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:K4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 10 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/2972-175-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4180-246-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1480-299-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1480-303-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4108-359-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1480-371-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4108-373-0x0000000010000000-0x0000000010362000-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
4180	SQLSerasi.exe
1480	SQLSerasi.exe
4108	SQLSerasi.exe

UPX packed file 11 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/2972-175-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4180-246-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1480-299-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1480-303-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4108-359-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1480-371-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4108-373-0x0000000010000000-0x0000000010362000-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\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
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

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	58d686d2e6d1bbffd11423d9aa12be20fa853508477edabf8de99938f3c5d5c4.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	58d686d2e6d1bbffd11423d9aa12be20fa853508477edabf8de99938f3c5d5c4.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 (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
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

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2972	58d686d2e6d1bbffd11423d9aa12be20fa853508477edabf8de99938f3c5d5c4.exe
Token: SeDebugPrivilege	4180	SQLSerasi.exe
Token: SeDebugPrivilege	1480	SQLSerasi.exe
Token: SeDebugPrivilege	1480	SQLSerasi.exe
Token: SeDebugPrivilege	4108	SQLSerasi.exe
Token: SeDebugPrivilege	4108	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 4180	2972	58d686d2e6d1bbffd11423d9aa12be20fa853508477edabf8de99938f3c5d5c4.exe	66
PID 2972 wrote to memory of 4180	2972	58d686d2e6d1bbffd11423d9aa12be20fa853508477edabf8de99938f3c5d5c4.exe	66
PID 2972 wrote to memory of 4180	2972	58d686d2e6d1bbffd11423d9aa12be20fa853508477edabf8de99938f3c5d5c4.exe	66
PID 1480 wrote to memory of 4108	1480	SQLSerasi.exe	68
PID 1480 wrote to memory of 4108	1480	SQLSerasi.exe	68
PID 1480 wrote to memory of 4108	1480	SQLSerasi.exe	68

C:\Users\Admin\AppData\Local\Temp\58d686d2e6d1bbffd11423d9aa12be20fa853508477edabf8de99938f3c5d5c4.exe
"C:\Users\Admin\AppData\Local\Temp\58d686d2e6d1bbffd11423d9aa12be20fa853508477edabf8de99938f3c5d5c4.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:4180

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:1480
- 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:4108

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
0eebc264cc0d2845cf317a03bb4d6024

SHA1
7a386c87866d26bee33a504d2a999969d7e09548

SHA256
661d2853f46d6a2e06f81886152b305b13bd1b2fed46cde2a68143e2ec9ad084

SHA512
0294c4bc5513093349db014c684535e02fbda8488c8b1e3e724d7764c30f43e8aa3a28cc5b999e1019b97e89e627d6153141f5539f69b4a77e92e2bb4d153d64

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

Filesize
39.4MB

MD5
0eebc264cc0d2845cf317a03bb4d6024

SHA1
7a386c87866d26bee33a504d2a999969d7e09548

SHA256
661d2853f46d6a2e06f81886152b305b13bd1b2fed46cde2a68143e2ec9ad084

SHA512
0294c4bc5513093349db014c684535e02fbda8488c8b1e3e724d7764c30f43e8aa3a28cc5b999e1019b97e89e627d6153141f5539f69b4a77e92e2bb4d153d64

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

Filesize
39.4MB

MD5
0eebc264cc0d2845cf317a03bb4d6024

SHA1
7a386c87866d26bee33a504d2a999969d7e09548

SHA256
661d2853f46d6a2e06f81886152b305b13bd1b2fed46cde2a68143e2ec9ad084

SHA512
0294c4bc5513093349db014c684535e02fbda8488c8b1e3e724d7764c30f43e8aa3a28cc5b999e1019b97e89e627d6153141f5539f69b4a77e92e2bb4d153d64

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

Filesize
39.4MB

MD5
0eebc264cc0d2845cf317a03bb4d6024

SHA1
7a386c87866d26bee33a504d2a999969d7e09548

SHA256
661d2853f46d6a2e06f81886152b305b13bd1b2fed46cde2a68143e2ec9ad084

SHA512
0294c4bc5513093349db014c684535e02fbda8488c8b1e3e724d7764c30f43e8aa3a28cc5b999e1019b97e89e627d6153141f5539f69b4a77e92e2bb4d153d64

Download Submit
memory/1480-299-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1480-303-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1480-371-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1480-370-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2972-153-0x0000000077220000-0x00000000773AE000-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/2972-125-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

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

Filesize
1.6MB

Download
memory/2972-128-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

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

Filesize
1.6MB

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

Filesize
1.6MB

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

Filesize
1.6MB

Download
memory/2972-130-0x0000000077220000-0x00000000773AE000-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/2972-135-0x0000000077220000-0x00000000773AE000-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/2972-138-0x0000000077220000-0x00000000773AE000-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/2972-141-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-142-0x0000000077220000-0x00000000773AE000-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/2972-148-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-147-0x0000000077220000-0x00000000773AE000-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/2972-121-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-154-0x0000000077220000-0x00000000773AE000-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/2972-131-0x0000000077220000-0x00000000773AE000-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/2972-175-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

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/2972-179-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

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/2972-191-0x0000000000400000-0x0000000000469000-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/4108-359-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4108-372-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4108-373-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4180-246-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4180-302-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download