gh0strat | 329d010136800ed1bdd818e596ced78511f434114ca9d5b5db6f45ad45208138

Analysis

max time kernel
147s
max time network
148s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
07/09/2022, 13:04

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General

Target

329d010136800ed1bdd818e596ced78511f434114ca9d5b5db6f45ad45208138.exe
Size

375KB
MD5

c00a9277b6752d3616d287a65852414a
SHA1

0c8bc8448ed8708d60741fedc5d5f7e43d380d99
SHA256

329d010136800ed1bdd818e596ced78511f434114ca9d5b5db6f45ad45208138
SHA512

f3f0d487d16c462845cff6a17b9e0f137ea40b02db308d286cfb816d477dbac92ec1856a76b1ce66c132431fcac504083e4915c5d03f841eb2c459e71d037daa
SSDEEP

6144:ev5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:e4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/3812-170-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3812-171-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3812-174-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4648-248-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3408-297-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3980-355-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3408-367-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3980-369-0x0000000010000000-0x0000000010362000-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
4648	SQLSerasi.exe
3408	SQLSerasi.exe
3980	SQLSerasi.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3812-166-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3812-170-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3812-171-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3812-174-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4648-248-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3408-297-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3980-355-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3408-367-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3980-369-0x0000000010000000-0x0000000010362000-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\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
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.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	329d010136800ed1bdd818e596ced78511f434114ca9d5b5db6f45ad45208138.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	329d010136800ed1bdd818e596ced78511f434114ca9d5b5db6f45ad45208138.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	3812	329d010136800ed1bdd818e596ced78511f434114ca9d5b5db6f45ad45208138.exe
Token: SeDebugPrivilege	4648	SQLSerasi.exe
Token: SeDebugPrivilege	3408	SQLSerasi.exe
Token: SeDebugPrivilege	3408	SQLSerasi.exe
Token: SeDebugPrivilege	3980	SQLSerasi.exe
Token: SeDebugPrivilege	3980	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3812 wrote to memory of 4648	3812	329d010136800ed1bdd818e596ced78511f434114ca9d5b5db6f45ad45208138.exe	66
PID 3812 wrote to memory of 4648	3812	329d010136800ed1bdd818e596ced78511f434114ca9d5b5db6f45ad45208138.exe	66
PID 3812 wrote to memory of 4648	3812	329d010136800ed1bdd818e596ced78511f434114ca9d5b5db6f45ad45208138.exe	66
PID 3408 wrote to memory of 3980	3408	SQLSerasi.exe	68
PID 3408 wrote to memory of 3980	3408	SQLSerasi.exe	68
PID 3408 wrote to memory of 3980	3408	SQLSerasi.exe	68

C:\Users\Admin\AppData\Local\Temp\329d010136800ed1bdd818e596ced78511f434114ca9d5b5db6f45ad45208138.exe
"C:\Users\Admin\AppData\Local\Temp\329d010136800ed1bdd818e596ced78511f434114ca9d5b5db6f45ad45208138.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3812
- 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:4648

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:3408
- 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:3980

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
6a60b5eaa78acbd97f662055937fd235

SHA1
c73b78b4b137dc2c7c5b49d4aff99bece3380652

SHA256
5b3b0f204178dd497e37438ac58559303a3b96f8d7a0e7dc2ada009e95ffad50

SHA512
d2a27795704b39b51eb1a1f4d7789ec0ff840046027052685a56e5525058213cc3410dad9a80cf4617d8c0d686af1dc1ad7041aabb59947c1d4756cc332ee9df

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

Filesize
39.4MB

MD5
6a60b5eaa78acbd97f662055937fd235

SHA1
c73b78b4b137dc2c7c5b49d4aff99bece3380652

SHA256
5b3b0f204178dd497e37438ac58559303a3b96f8d7a0e7dc2ada009e95ffad50

SHA512
d2a27795704b39b51eb1a1f4d7789ec0ff840046027052685a56e5525058213cc3410dad9a80cf4617d8c0d686af1dc1ad7041aabb59947c1d4756cc332ee9df

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

Filesize
39.4MB

MD5
6a60b5eaa78acbd97f662055937fd235

SHA1
c73b78b4b137dc2c7c5b49d4aff99bece3380652

SHA256
5b3b0f204178dd497e37438ac58559303a3b96f8d7a0e7dc2ada009e95ffad50

SHA512
d2a27795704b39b51eb1a1f4d7789ec0ff840046027052685a56e5525058213cc3410dad9a80cf4617d8c0d686af1dc1ad7041aabb59947c1d4756cc332ee9df

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

Filesize
39.4MB

MD5
6a60b5eaa78acbd97f662055937fd235

SHA1
c73b78b4b137dc2c7c5b49d4aff99bece3380652

SHA256
5b3b0f204178dd497e37438ac58559303a3b96f8d7a0e7dc2ada009e95ffad50

SHA512
d2a27795704b39b51eb1a1f4d7789ec0ff840046027052685a56e5525058213cc3410dad9a80cf4617d8c0d686af1dc1ad7041aabb59947c1d4756cc332ee9df

Download Submit
memory/3408-297-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3408-367-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3408-366-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3812-150-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-156-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-121-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-122-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-123-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-125-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-126-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-127-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-153-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-129-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3812-128-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-130-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-131-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-132-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-133-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-135-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-134-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-136-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-137-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-138-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-139-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-140-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-141-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-142-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-143-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-155-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-145-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-146-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-147-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-148-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-149-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-119-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-151-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-152-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-124-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-120-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-144-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-154-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-157-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-158-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-159-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-160-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-161-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-162-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-163-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-164-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-165-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-166-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3812-169-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-170-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3812-171-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3812-172-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-173-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-174-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3812-175-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-176-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-177-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-178-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-179-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-180-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-181-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-188-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3812-116-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-117-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3812-118-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3980-355-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3980-368-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3980-369-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4648-299-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4648-248-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download