gh0strat | 3dbdf9b4ba42fe2773f2aa22abab831dfad99ca664c194624d43eb382d67e6b6

Analysis

max time kernel
149s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
24/12/2023, 17:21

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General

Target

082b62faa8f24c0b36a229ff03ecc9fd.exe
Size

532KB
MD5

082b62faa8f24c0b36a229ff03ecc9fd
SHA1

c6e79574655a71ae5d4e1c6e4d5fa3fd3c10fc80
SHA256

3dbdf9b4ba42fe2773f2aa22abab831dfad99ca664c194624d43eb382d67e6b6
SHA512

71aaa38975ec26316c10276c599a3e2b8de583d6a6b253083dfa10a3c613d773e087456cb07c64e2c35222337b987830cf6bf2bcd2e14a4ed363fa4dfae6b8fd
SSDEEP

12288:q08PKZVQQxfnr+TK7r79/J0NWNf37JcAayM5ahHjb:t8AVQQxfnr+TK7r79/J0ofrJEyM5ahDb

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001444d-8.dat	family_gh0strat
behavioral1/files/0x000c00000001444d-4.dat	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 1 IoCs

pid	Process
2516	(null)0.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\082b62faa8f24c0b36a229ff03ecc9fd.exe"	082b62faa8f24c0b36a229ff03ecc9fd.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Windows\BJ.exe	082b62faa8f24c0b36a229ff03ecc9fd.exe
File created	\??\c:\Windows\(null)0.exe	082b62faa8f24c0b36a229ff03ecc9fd.exe
File created	\??\c:\Windows\BJ.exe	082b62faa8f24c0b36a229ff03ecc9fd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2516	2512	082b62faa8f24c0b36a229ff03ecc9fd.exe	14
PID 2512 wrote to memory of 2516	2512	082b62faa8f24c0b36a229ff03ecc9fd.exe	14
PID 2512 wrote to memory of 2516	2512	082b62faa8f24c0b36a229ff03ecc9fd.exe	14
PID 2512 wrote to memory of 2516	2512	082b62faa8f24c0b36a229ff03ecc9fd.exe	14

\??\c:\Windows\(null)0.exe
c:\Windows\(null)0.exe
1⤵
- Executes dropped EXE
PID:2516

C:\Users\Admin\AppData\Local\Temp\082b62faa8f24c0b36a229ff03ecc9fd.exe
"C:\Users\Admin\AppData\Local\Temp\082b62faa8f24c0b36a229ff03ecc9fd.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\(null)0.exe

Filesize
32KB

MD5
01be56d14b27d3bb5564a1e8cf139928

SHA1
f15e3419315a15156b0c30842f9359adddaea60f

SHA256
80af8a023fc313f4fe8b8dee26685ee4d2e8062b1f4c4c93fb6e4d4bd23cbb84

SHA512
6aeaa2c302320a11ac0950dd950cebc05e5f27902e2ea61ab1e56f0086ed04e5607ef90120416d667c10eab742d52a46c8708ce66297c0264140b0651d98e459

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C:\Windows\(null)0.exe

Filesize
35KB

MD5
bff58479506b3358937d309ad3438499

SHA1
6638ff186fbd98dc4d5d363bb9a91e883f92da41

SHA256
6e39daa00c45949c68840f2e6321b34726a60ea3fb803058227078ec6a015863

SHA512
72abce334d03b6485ba94953bdefd84f7813bfaf93d22c8d178c82ba04e44fae3d5b304e880ea055cf5052c033960d8db9edc4ec17693aff8c5128dded22f505

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads