gh0strat | 4ee20558b9da83776f563619de8002838d49b21412f40ff74391292c411a83a9

Analysis

max time kernel
150s
max time network
134s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-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
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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3028 wrote to memory of 2740	3028	rundll32.exe	rundll32.exe
PID 3028 wrote to memory of 2740	3028	rundll32.exe	rundll32.exe
PID 3028 wrote to memory of 2740	3028	rundll32.exe	rundll32.exe
PID 3028 wrote to memory of 2740	3028	rundll32.exe	rundll32.exe
PID 3028 wrote to memory of 2740	3028	rundll32.exe	rundll32.exe
PID 3028 wrote to memory of 2740	3028	rundll32.exe	rundll32.exe
PID 3028 wrote to memory of 2740	3028	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:3028

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k imgsvc
1⤵
- Suspicious behavior: EnumeratesProcesses
PID:2412

\??\c:\windows\filename.jpg
Filesize
7.4MB

MD5
0a40f5646f1a5ce14c700618b5841415

SHA1
ce823da4faba0506dbc31ecd7efef6cfd6c16a25

SHA256
32570da84e010018fa28ed050d01dfd1a5036b6b9c92e69051a2c6dbe91ca3d8

SHA512
43774ae751de166fd84ac1f738a60725f7af055dd826b3d58de05e371509384758eeecd2f663543850498450fc9900dfc3a6677f518ee42bf8efbf33f09889fa

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