gh0strat | 74bf0537d435c1f45ca771661e008a344fab98a69ed7350a97c4cb3f44bdf41e

Analysis

max time kernel
145s
max time network
117s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31/12/2023, 02:23

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General

Target

2463996b1de747ac9321d4e4a79d03ef.exe
Size

204KB
MD5

2463996b1de747ac9321d4e4a79d03ef
SHA1

eeee1f7862a0b17ef64ad084c6edceb8d3d360af
SHA256

74bf0537d435c1f45ca771661e008a344fab98a69ed7350a97c4cb3f44bdf41e
SHA512

0956c2c6942a6edd893cf2d24b2ba662806d9f157d6683d98d4b26af78c594728d7237a253051a72e9013828dea32a117401865d2c084fbe676c7f2c844ac932
SSDEEP

6144:kGzRxSVtp0l6whGfsKR+zkBpTaa5tJH7hL:Xt0VPFfsKAkrbPl7hL

Score

10^/10

gh0strat persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/2312-9-0x0000000000400000-0x00000000004F0000-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 1 IoCs

pid	Process
2312	(null)0.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2324-0-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral1/memory/2312-9-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral1/files/0x000b000000015d50-5.dat	upx

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\\2463996b1de747ac9321d4e4a79d03ef.exe"	2463996b1de747ac9321d4e4a79d03ef.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	2463996b1de747ac9321d4e4a79d03ef.exe
File opened for modification	\??\c:\Windows\BJ.exe	2463996b1de747ac9321d4e4a79d03ef.exe
File created	\??\c:\Windows\(null)0.exe	2463996b1de747ac9321d4e4a79d03ef.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2312	2324	2463996b1de747ac9321d4e4a79d03ef.exe	14
PID 2324 wrote to memory of 2312	2324	2463996b1de747ac9321d4e4a79d03ef.exe	14
PID 2324 wrote to memory of 2312	2324	2463996b1de747ac9321d4e4a79d03ef.exe	14
PID 2324 wrote to memory of 2312	2324	2463996b1de747ac9321d4e4a79d03ef.exe	14

\??\c:\Windows\(null)0.exe
c:\Windows\(null)0.exe
1⤵
- Executes dropped EXE
PID:2312

C:\Users\Admin\AppData\Local\Temp\2463996b1de747ac9321d4e4a79d03ef.exe
"C:\Users\Admin\AppData\Local\Temp\2463996b1de747ac9321d4e4a79d03ef.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2324

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

memory/2312-9-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2324-0-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2324-10-0x00000000027B0000-0x00000000028A0000-memory.dmp

Filesize
960KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads