Malware Analysis Report

2024-10-10 07:59

Sample ID 240612-ptzrlsyekj
Target 44dce933293218f2e4bfa2bd189056a38da0eecf3a0e751fcf62217536ca7efd
SHA256 44dce933293218f2e4bfa2bd189056a38da0eecf3a0e751fcf62217536ca7efd
Tags
themida
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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
7/10

SHA256

44dce933293218f2e4bfa2bd189056a38da0eecf3a0e751fcf62217536ca7efd

Threat Level: Shows suspicious behavior

The file 44dce933293218f2e4bfa2bd189056a38da0eecf3a0e751fcf62217536ca7efd was found to be: Shows suspicious behavior.

Malicious Activity Summary

themida

Themida packer

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-12 12:37

Signatures

Themida packer

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-12 12:37

Reported

2024-06-12 12:40

Platform

win7-20240611-en

Max time kernel

118s

Max time network

123s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\44dce933293218f2e4bfa2bd189056a38da0eecf3a0e751fcf62217536ca7efd.dll,#1

Signatures

Themida packer

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2984 wrote to memory of 3004 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2984 wrote to memory of 3004 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2984 wrote to memory of 3004 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2984 wrote to memory of 3004 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2984 wrote to memory of 3004 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2984 wrote to memory of 3004 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2984 wrote to memory of 3004 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\44dce933293218f2e4bfa2bd189056a38da0eecf3a0e751fcf62217536ca7efd.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\44dce933293218f2e4bfa2bd189056a38da0eecf3a0e751fcf62217536ca7efd.dll,#1

Network

N/A

Files

memory/3004-0-0x0000000074A40000-0x0000000075069000-memory.dmp

memory/3004-1-0x0000000074A40000-0x0000000075069000-memory.dmp

memory/3004-2-0x0000000074410000-0x0000000074A39000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 12:37

Reported

2024-06-12 12:40

Platform

win10v2004-20240226-en

Max time kernel

142s

Max time network

148s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\44dce933293218f2e4bfa2bd189056a38da0eecf3a0e751fcf62217536ca7efd.dll,#1

Signatures

Themida packer

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2388 wrote to memory of 2548 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2388 wrote to memory of 2548 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2388 wrote to memory of 2548 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\44dce933293218f2e4bfa2bd189056a38da0eecf3a0e751fcf62217536ca7efd.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\44dce933293218f2e4bfa2bd189056a38da0eecf3a0e751fcf62217536ca7efd.dll,#1

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4240 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 243.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 142.250.200.42:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 42.200.250.142.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 8.173.189.20.in-addr.arpa udp

Files

memory/2548-0-0x0000000074E20000-0x0000000075449000-memory.dmp