Malware Analysis Report

2025-03-14 22:30

Sample ID 240304-q38ljsbf8t
Target b2486ed2ec8b234515f747250166d7c3
SHA256 5d347fa0e9c1340832916ba3c9ab224d9645e43ed3dfb4c725a333213b5bb22e
Tags
persistence
score
7/10

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
7/10

SHA256

5d347fa0e9c1340832916ba3c9ab224d9645e43ed3dfb4c725a333213b5bb22e

Threat Level: Shows suspicious behavior

The file b2486ed2ec8b234515f747250166d7c3 was found to be: Shows suspicious behavior.

Malicious Activity Summary

persistence

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

Drops file in Program Files directory

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-04 13:48

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-04 13:48

Reported

2024-03-04 13:50

Platform

win7-20240221-en

Max time kernel

151s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b2486ed2ec8b234515f747250166d7c3.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\unue\rotr.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ieuu = "\"C:\\Program Files (x86)\\unue\\rotr.exe\" -vt mt" C:\Users\Admin\AppData\Local\Temp\b2486ed2ec8b234515f747250166d7c3.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ieuu = "\"C:\\Program Files (x86)\\unue\\rotr.exe\" -vt mt" C:\Program Files (x86)\unue\rotr.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\unue\rotr.exe C:\Users\Admin\AppData\Local\Temp\b2486ed2ec8b234515f747250166d7c3.exe N/A
File created C:\Program Files (x86)\unue\rotr.exe C:\Users\Admin\AppData\Local\Temp\b2486ed2ec8b234515f747250166d7c3.exe N/A
File opened for modification C:\Program Files (x86)\unue\rotr.exe C:\Program Files (x86)\unue\rotr.exe N/A
File created C:\Program Files (x86)\unue\rotr.exe C:\Program Files (x86)\unue\rotr.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b2486ed2ec8b234515f747250166d7c3.exe

"C:\Users\Admin\AppData\Local\Temp\b2486ed2ec8b234515f747250166d7c3.exe"

C:\Program Files (x86)\unue\rotr.exe

"C:\Program Files (x86)\unue\rotr.exe" -vt mt

Network

Country Destination Domain Proto
US 8.8.8.8:53 nf.clickspring.net udp
US 8.8.8.8:53 cu.clickspring.net udp

Files

memory/1280-0-0x0000000000400000-0x000000000042F000-memory.dmp

C:\Program Files (x86)\unue\rotr.exe

MD5 b2486ed2ec8b234515f747250166d7c3
SHA1 38d50958c03209391c3a8fcdd0f23ffcdc04e449
SHA256 5d347fa0e9c1340832916ba3c9ab224d9645e43ed3dfb4c725a333213b5bb22e
SHA512 fd90843ee3c68a50589598ea5c2bd2853b9487488d4a4fcaf714841f5cdc937e3efeee5366d802f98bf7a4ed5882e786a0318451b574992ae26b30be056193df

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-04 13:48

Reported

2024-03-04 13:50

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b2486ed2ec8b234515f747250166d7c3.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\unue\rotr.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ieuu = "\"C:\\Program Files (x86)\\unue\\rotr.exe\" -vt mt" C:\Program Files (x86)\unue\rotr.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ieuu = "\"C:\\Program Files (x86)\\unue\\rotr.exe\" -vt mt" C:\Users\Admin\AppData\Local\Temp\b2486ed2ec8b234515f747250166d7c3.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\unue\rotr.exe C:\Users\Admin\AppData\Local\Temp\b2486ed2ec8b234515f747250166d7c3.exe N/A
File created C:\Program Files (x86)\unue\rotr.exe C:\Users\Admin\AppData\Local\Temp\b2486ed2ec8b234515f747250166d7c3.exe N/A
File opened for modification C:\Program Files (x86)\unue\rotr.exe C:\Program Files (x86)\unue\rotr.exe N/A
File created C:\Program Files (x86)\unue\rotr.exe C:\Program Files (x86)\unue\rotr.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b2486ed2ec8b234515f747250166d7c3.exe

"C:\Users\Admin\AppData\Local\Temp\b2486ed2ec8b234515f747250166d7c3.exe"

C:\Program Files (x86)\unue\rotr.exe

"C:\Program Files (x86)\unue\rotr.exe" -vt mt

Network

Country Destination Domain Proto
US 8.8.8.8:53 nf.clickspring.net udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 cu.clickspring.net udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 175.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 201.201.50.20.in-addr.arpa udp

Files

memory/4488-0-0x0000000000400000-0x000000000042F000-memory.dmp

C:\Program Files (x86)\unue\rotr.exe

MD5 b2486ed2ec8b234515f747250166d7c3
SHA1 38d50958c03209391c3a8fcdd0f23ffcdc04e449
SHA256 5d347fa0e9c1340832916ba3c9ab224d9645e43ed3dfb4c725a333213b5bb22e
SHA512 fd90843ee3c68a50589598ea5c2bd2853b9487488d4a4fcaf714841f5cdc937e3efeee5366d802f98bf7a4ed5882e786a0318451b574992ae26b30be056193df