gh0strat | 82c25009962b337038c88eee344ab6722d39a13142ea58f118a8d7e9db2e0a84

Analysis

max time kernel
123s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2023 21:58

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General

Target

82c25009962b337038c88eee344ab6722d39a13142ea58f118a8d7e9db2e0a84.dll
Size

731KB
MD5

27f2c8739eeeeaec8325a87407ef8445
SHA1

bd6b05c67f15e1e0f89a737db1400f7e58f28db0
SHA256

82c25009962b337038c88eee344ab6722d39a13142ea58f118a8d7e9db2e0a84
SHA512

b05a44b684a6e7185a631f9fa85b432a9b87caae063e5ef96952f35147b0d17b00a05eafd1fd5e06e5dbc5a327edf200e0bc098595c34bec2d85e9e6f319dd0d
SSDEEP

12288:okS6u/x4ANYNUFLzTFoIiTtsdrwNIEuxAvkdtd1nwHw6rE7d3AYht9Rz:oN/31FLvFoIiJsdrOIRWvTpEZQ6

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 2 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/1272-133-0x0000000002870000-0x0000000002A16000-memory.dmp	purplefox_rootkit
behavioral2/memory/1272-139-0x0000000010000000-0x000000001017A000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1272-133-0x0000000002870000-0x0000000002A16000-memory.dmp	family_gh0strat
behavioral2/memory/1272-139-0x0000000010000000-0x000000001017A000-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
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox

UPX packed file 1 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1272-139-0x0000000010000000-0x000000001017A000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ÏÔ¿¨Çý¶¯ = "C:\\Windows\\SysWOW64\\rundll32.exe"	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1432 wrote to memory of 1272	1432	rundll32.exe	rundll32.exe
PID 1432 wrote to memory of 1272	1432	rundll32.exe	rundll32.exe
PID 1432 wrote to memory of 1272	1432	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\82c25009962b337038c88eee344ab6722d39a13142ea58f118a8d7e9db2e0a84.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1432

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\82c25009962b337038c88eee344ab6722d39a13142ea58f118a8d7e9db2e0a84.dll,#1
2⤵
- Adds Run key to start application
PID:1272

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1272-132-0x0000000000000000-mapping.dmp

Download
memory/1272-133-0x0000000002870000-0x0000000002A16000-memory.dmp

Filesize
1.6MB

Download
memory/1272-139-0x0000000010000000-0x000000001017A000-memory.dmp

Filesize
1.5MB

Download