gh0strat | 4ee20558b9da83776f563619de8002838d49b21412f40ff74391292c411a83a9

Analysis

max time kernel
150s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
20-04-2024 14:34

Target

CERTIFICATE.dll
Size

101KB
MD5

fcfa69cbc689304e055d5705ed7692a1
SHA1

983815092026b81b125e85e02c6e019ef6349ecc
SHA256

4ee20558b9da83776f563619de8002838d49b21412f40ff74391292c411a83a9
SHA512

51c0b2eb5bc1da32b3aa0b310df6d4f08e6a3e8b3f195ead6a9dc3011042a0c92f05c5163e99084488228ed05ca4f62f51b658f591269a42682be1c6ad6af33e
SSDEEP

3072:rwZ2QNI3VGVilUVjz764/9xjEEUQqbZuwI5RG:VVGg2x9tjUpZuwIrG

Score

10^/10

gh0strat rat

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
\??\c:\windows\filename.jpg	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
Loads dropped DLL 1 IoCs

Processes:

svchost.exe

pid process

4748 svchost.exe
Drops file in Windows directory 2 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Windows\FileName.jpg rundll32.exe
File created C:\Windows\FileName.jpg rundll32.exe

description	ioc	process
File opened for modification	C:\Windows\FileName.jpg	rundll32.exe
File created	C:\Windows\FileName.jpg	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

svchost.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2236 wrote to memory of 2420	2236	rundll32.exe	rundll32.exe
PID 2236 wrote to memory of 2420	2236	rundll32.exe	rundll32.exe
PID 2236 wrote to memory of 2420	2236	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\CERTIFICATE.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2236

\??\c:\windows\filename.jpg
Filesize
5.6MB

MD5
3ff76668b057a0ae63ae8cd81fb49cce

SHA1
858875a9c4a1da7af0dbf51eb3f1782eef77541f

SHA256
2ccc8b87ee7e695486fe35a6d870e675e6855c0d5d40dadabb42aaf5e37d277b

SHA512
aff18ae24c692da9c138b78e3bfa5a76a37b28ee50a6a639f3aa5da8bdd29e276992523d37942f75f8e4e2dc043b571d9c3243da0b378b79fbacc4ea63240537

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