gh0strat | f89fee078475ff2737db0c310c59aeeb7c8f85f658ad9867c40601aebbbe54da

Analysis

max time kernel
138s
max time network
141s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
22/09/2022, 11:53

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General

Target

f89fee078475ff2737db0c310c59aeeb7c8f85f658ad9867c40601aebbbe54da.exe
Size

375KB
MD5

eb7dc94ca9632e2a87512d02157dae90
SHA1

db586830f7121c55b27898d3892e1d16f774505b
SHA256

f89fee078475ff2737db0c310c59aeeb7c8f85f658ad9867c40601aebbbe54da
SHA512

820c5b8b097b27ecff2518d4d46a0afb7d5a4939f0e24b389b508f7f0413507280b86cf3f117fc4e3076cee94865bf1f7a26fc6b861b9154318aed19b4f83f1d
SSDEEP

6144:Gv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:G4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/4036-170-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4036-171-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4036-174-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4280-276-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4920-298-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4824-357-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4920-369-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4824-370-0x0000000010000000-0x0000000010362000-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
4280	SQLSerasi.exe
4920	SQLSerasi.exe
4824	SQLSerasi.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4036-166-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4036-170-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4036-171-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4036-174-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4280-276-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4920-298-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4824-357-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4920-369-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4824-370-0x0000000010000000-0x0000000010362000-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	f89fee078475ff2737db0c310c59aeeb7c8f85f658ad9867c40601aebbbe54da.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	f89fee078475ff2737db0c310c59aeeb7c8f85f658ad9867c40601aebbbe54da.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\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
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

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4036	f89fee078475ff2737db0c310c59aeeb7c8f85f658ad9867c40601aebbbe54da.exe
Token: SeDebugPrivilege	4280	SQLSerasi.exe
Token: SeDebugPrivilege	4920	SQLSerasi.exe
Token: SeDebugPrivilege	4920	SQLSerasi.exe
Token: SeDebugPrivilege	4824	SQLSerasi.exe
Token: SeDebugPrivilege	4824	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4036 wrote to memory of 4280	4036	f89fee078475ff2737db0c310c59aeeb7c8f85f658ad9867c40601aebbbe54da.exe	66
PID 4036 wrote to memory of 4280	4036	f89fee078475ff2737db0c310c59aeeb7c8f85f658ad9867c40601aebbbe54da.exe	66
PID 4036 wrote to memory of 4280	4036	f89fee078475ff2737db0c310c59aeeb7c8f85f658ad9867c40601aebbbe54da.exe	66
PID 4920 wrote to memory of 4824	4920	SQLSerasi.exe	68
PID 4920 wrote to memory of 4824	4920	SQLSerasi.exe	68
PID 4920 wrote to memory of 4824	4920	SQLSerasi.exe	68

C:\Users\Admin\AppData\Local\Temp\f89fee078475ff2737db0c310c59aeeb7c8f85f658ad9867c40601aebbbe54da.exe
"C:\Users\Admin\AppData\Local\Temp\f89fee078475ff2737db0c310c59aeeb7c8f85f658ad9867c40601aebbbe54da.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4036
- 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:4280

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:4920
- 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:4824

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
0ce254a27a099f44b8229d5214fcc7c2

SHA1
da0e424b66dc5dcb141be8d8848ca14b78a124f1

SHA256
8d5ed6c4b263a678f38383d2e22d47f6a912e4986aa646b087f5b6c1e27bdefd

SHA512
6c393b9bc7939b27c4f663dae66c8fe3b13f491bbbe1a0d375122e9879f91d943c33900f665f5dac3a201456392abb81b4821c28adf6b193b68bb08aff2e6669

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

Filesize
39.4MB

MD5
0ce254a27a099f44b8229d5214fcc7c2

SHA1
da0e424b66dc5dcb141be8d8848ca14b78a124f1

SHA256
8d5ed6c4b263a678f38383d2e22d47f6a912e4986aa646b087f5b6c1e27bdefd

SHA512
6c393b9bc7939b27c4f663dae66c8fe3b13f491bbbe1a0d375122e9879f91d943c33900f665f5dac3a201456392abb81b4821c28adf6b193b68bb08aff2e6669

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

Filesize
39.4MB

MD5
0ce254a27a099f44b8229d5214fcc7c2

SHA1
da0e424b66dc5dcb141be8d8848ca14b78a124f1

SHA256
8d5ed6c4b263a678f38383d2e22d47f6a912e4986aa646b087f5b6c1e27bdefd

SHA512
6c393b9bc7939b27c4f663dae66c8fe3b13f491bbbe1a0d375122e9879f91d943c33900f665f5dac3a201456392abb81b4821c28adf6b193b68bb08aff2e6669

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

Filesize
39.4MB

MD5
0ce254a27a099f44b8229d5214fcc7c2

SHA1
da0e424b66dc5dcb141be8d8848ca14b78a124f1

SHA256
8d5ed6c4b263a678f38383d2e22d47f6a912e4986aa646b087f5b6c1e27bdefd

SHA512
6c393b9bc7939b27c4f663dae66c8fe3b13f491bbbe1a0d375122e9879f91d943c33900f665f5dac3a201456392abb81b4821c28adf6b193b68bb08aff2e6669

Download Submit
memory/4036-153-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-164-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-119-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-120-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-121-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-122-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-123-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4036-124-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-125-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-126-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-127-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-128-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-117-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-130-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-131-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-133-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-132-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-134-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-135-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-137-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-138-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-139-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-141-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-140-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-136-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-142-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-144-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-143-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-145-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-146-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-147-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-148-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-149-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-150-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-151-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-152-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-129-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-118-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-171-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4036-157-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-156-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-158-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-159-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-160-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-161-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-162-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-163-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-154-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-165-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-166-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4036-169-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-170-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4036-155-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-172-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-173-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-174-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4036-175-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-176-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-177-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-178-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-179-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-180-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-181-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4036-188-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4036-116-0x0000000077C20000-0x0000000077DAE000-memory.dmp

Filesize
1.6MB

Download
memory/4280-276-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4280-300-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4824-356-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4824-357-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4824-370-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4920-277-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4920-298-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4920-368-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4920-369-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download