Malware Analysis Report

2024-11-16 13:22

Sample ID 241019-wjx9cs1gjj
Target 932fdab800d3aa49d8978209f89998eceb165095f527b36aebc425885bc05f4eN
SHA256 932fdab800d3aa49d8978209f89998eceb165095f527b36aebc425885bc05f4e
Tags
renamer discovery worm
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

932fdab800d3aa49d8978209f89998eceb165095f527b36aebc425885bc05f4e

Threat Level: Known bad

The file 932fdab800d3aa49d8978209f89998eceb165095f527b36aebc425885bc05f4eN was found to be: Known bad.

Malicious Activity Summary

renamer discovery worm

Renamer family

Detects Renamer worm.

Renamer, Grenam

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-19 17:57

Signatures

Detects Renamer worm.

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

Renamer family

renamer

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-19 17:57

Reported

2024-10-19 17:59

Platform

win7-20240903-en

Max time kernel

119s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\932fdab800d3aa49d8978209f89998eceb165095f527b36aebc425885bc05f4eN.exe"

Signatures

Detects Renamer worm.

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

Renamer, Grenam

worm renamer

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\932fdab800d3aa49d8978209f89998eceb165095f527b36aebc425885bc05f4eN.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\932fdab800d3aa49d8978209f89998eceb165095f527b36aebc425885bc05f4eN.exe

"C:\Users\Admin\AppData\Local\Temp\932fdab800d3aa49d8978209f89998eceb165095f527b36aebc425885bc05f4eN.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 176

Network

N/A

Files

memory/2192-0-0x0000000000400000-0x00000000004DB000-memory.dmp

memory/2192-1-0x0000000000400000-0x00000000004DB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-19 17:57

Reported

2024-10-19 17:59

Platform

win10v2004-20241007-en

Max time kernel

102s

Max time network

103s

Command Line

"C:\Users\Admin\AppData\Local\Temp\932fdab800d3aa49d8978209f89998eceb165095f527b36aebc425885bc05f4eN.exe"

Signatures

Detects Renamer worm.

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

Renamer, Grenam

worm renamer

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\932fdab800d3aa49d8978209f89998eceb165095f527b36aebc425885bc05f4eN.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\932fdab800d3aa49d8978209f89998eceb165095f527b36aebc425885bc05f4eN.exe

"C:\Users\Admin\AppData\Local\Temp\932fdab800d3aa49d8978209f89998eceb165095f527b36aebc425885bc05f4eN.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 900 -ip 900

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 900 -s 468

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.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 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/900-0-0x0000000000400000-0x00000000004DB000-memory.dmp

memory/900-2-0x0000000000400000-0x00000000004DB000-memory.dmp