Malware Analysis Report

2025-04-03 19:49

Sample ID 241109-yjne9sznby
Target be47cd8f49349a0d7053d670560fa3bc43f7f8b754aa5eae5a1875e4746d4575N
SHA256 be47cd8f49349a0d7053d670560fa3bc43f7f8b754aa5eae5a1875e4746d4575
Tags
discovery upx
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

be47cd8f49349a0d7053d670560fa3bc43f7f8b754aa5eae5a1875e4746d4575

Threat Level: Shows suspicious behavior

The file be47cd8f49349a0d7053d670560fa3bc43f7f8b754aa5eae5a1875e4746d4575N was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery upx

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

UPX packed file

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 19:49

Signatures

UPX packed file

upx
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

2024-11-09 19:49

Reported

2024-11-09 19:51

Platform

win7-20240729-en

Max time kernel

120s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\be47cd8f49349a0d7053d670560fa3bc43f7f8b754aa5eae5a1875e4746d4575N.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\conwurm.exe N/A

UPX packed file

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

Enumerates physical storage devices

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\be47cd8f49349a0d7053d670560fa3bc43f7f8b754aa5eae5a1875e4746d4575N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\conwurm.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\be47cd8f49349a0d7053d670560fa3bc43f7f8b754aa5eae5a1875e4746d4575N.exe

"C:\Users\Admin\AppData\Local\Temp\be47cd8f49349a0d7053d670560fa3bc43f7f8b754aa5eae5a1875e4746d4575N.exe"

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

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

Network

N/A

Files

memory/2320-0-0x0000000000400000-0x0000000000415000-memory.dmp

memory/2320-2-0x0000000004000000-0x0000000004005000-memory.dmp

memory/2320-1-0x0000000004000000-0x0000000004005000-memory.dmp

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

MD5 d97073a7b8befabcc043543f96f6c176
SHA1 a1e001dbacb9443e4eb2cba3b7eb3d0c89893f52
SHA256 d5feb11becd9ba5764c3102379769ba265fbae1808e96734e0c350fe1952b0a6
SHA512 dbf5931d0d0e67efc17148e4c701976d8a298e65ae5a539dba1c2fc0c2a8d32cd2e4e54b2edf355bc2c42d9260857bc972989cd8a0ed4dec603b0863934b82c9

memory/2320-8-0x0000000002FC0000-0x0000000002FD5000-memory.dmp

memory/2320-10-0x0000000000400000-0x0000000000415000-memory.dmp

memory/2596-14-0x0000000000400000-0x0000000000415000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 19:49

Reported

2024-11-09 19:51

Platform

win10v2004-20241007-en

Max time kernel

120s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\be47cd8f49349a0d7053d670560fa3bc43f7f8b754aa5eae5a1875e4746d4575N.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\be47cd8f49349a0d7053d670560fa3bc43f7f8b754aa5eae5a1875e4746d4575N.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\conwurm.exe N/A

UPX packed file

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

Enumerates physical storage devices

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\conwurm.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\be47cd8f49349a0d7053d670560fa3bc43f7f8b754aa5eae5a1875e4746d4575N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\be47cd8f49349a0d7053d670560fa3bc43f7f8b754aa5eae5a1875e4746d4575N.exe

"C:\Users\Admin\AppData\Local\Temp\be47cd8f49349a0d7053d670560fa3bc43f7f8b754aa5eae5a1875e4746d4575N.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 67.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp

Files

memory/3392-0-0x0000000000400000-0x0000000000415000-memory.dmp

memory/3392-1-0x0000000004000000-0x0000000004005000-memory.dmp

memory/3392-2-0x0000000004000000-0x0000000004005000-memory.dmp

memory/3392-3-0x0000000004000000-0x0000000004005000-memory.dmp

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

MD5 d97073a7b8befabcc043543f96f6c176
SHA1 a1e001dbacb9443e4eb2cba3b7eb3d0c89893f52
SHA256 d5feb11becd9ba5764c3102379769ba265fbae1808e96734e0c350fe1952b0a6
SHA512 dbf5931d0d0e67efc17148e4c701976d8a298e65ae5a539dba1c2fc0c2a8d32cd2e4e54b2edf355bc2c42d9260857bc972989cd8a0ed4dec603b0863934b82c9

memory/3392-12-0x0000000000400000-0x0000000000415000-memory.dmp

memory/4916-15-0x0000000000400000-0x0000000000415000-memory.dmp

memory/4916-16-0x0000000004000000-0x0000000004005000-memory.dmp