Malware Analysis Report

2024-10-18 21:56

Sample ID 240725-mt1mssxckc
Target 2024-07-25_0730acb4e5b0ab4af7ae9dbc32f37052_bkransomware_gandcrab_karagany
SHA256 5255e2e1bf18acfda055c28c3733db8e160f951e00984fdf65b6b1a5ea6f898e
Tags
gandcrab discovery
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

5255e2e1bf18acfda055c28c3733db8e160f951e00984fdf65b6b1a5ea6f898e

Threat Level: Known bad

The file 2024-07-25_0730acb4e5b0ab4af7ae9dbc32f37052_bkransomware_gandcrab_karagany was found to be: Known bad.

Malicious Activity Summary

gandcrab discovery

GandCrab payload

Gandcrab family

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-25 10:46

Signatures

GandCrab payload

Description Indicator Process Target
N/A N/A N/A N/A

Gandcrab family

gandcrab

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-25 10:46

Reported

2024-07-25 10:48

Platform

win7-20240704-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-07-25_0730acb4e5b0ab4af7ae9dbc32f37052_bkransomware_gandcrab_karagany.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\2024-07-25_0730acb4e5b0ab4af7ae9dbc32f37052_bkransomware_gandcrab_karagany.exe

"C:\Users\Admin\AppData\Local\Temp\2024-07-25_0730acb4e5b0ab4af7ae9dbc32f37052_bkransomware_gandcrab_karagany.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 88

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-25 10:46

Reported

2024-07-25 10:49

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-07-25_0730acb4e5b0ab4af7ae9dbc32f37052_bkransomware_gandcrab_karagany.exe"

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-07-25_0730acb4e5b0ab4af7ae9dbc32f37052_bkransomware_gandcrab_karagany.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-07-25_0730acb4e5b0ab4af7ae9dbc32f37052_bkransomware_gandcrab_karagany.exe

"C:\Users\Admin\AppData\Local\Temp\2024-07-25_0730acb4e5b0ab4af7ae9dbc32f37052_bkransomware_gandcrab_karagany.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 3352 -ip 3352

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3352 -s 264

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

N/A