Malware Analysis Report

2025-03-15 00:32

Sample ID 240928-xsxvmavbka
Target 4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2N
SHA256 4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2
Tags
mydoom discovery persistence upx worm
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2

Threat Level: Known bad

The file 4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2N was found to be: Known bad.

Malicious Activity Summary

mydoom discovery persistence upx worm

Detects MyDoom family

MyDoom

Executes dropped EXE

Adds Run key to start application

UPX packed file

Drops file in Windows directory

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-28 19:07

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: behavioral2

Detonation Overview

Submitted

2024-09-28 19:07

Reported

2024-09-28 19:09

Platform

win10v2004-20240802-en

Max time kernel

120s

Max time network

113s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2N.exe"

Signatures

Detects MyDoom family

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

MyDoom

worm mydoom

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\services.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" C:\Users\Admin\AppData\Local\Temp\4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2N.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" C:\Windows\services.exe N/A

UPX packed file

upx
Description Indicator Process Target
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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\4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\services.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2N.exe

"C:\Users\Admin\AppData\Local\Temp\4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2N.exe"

C:\Windows\services.exe

"C:\Windows\services.exe"

Network

Country Destination Domain Proto
N/A 192.168.2.155:1034 tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
N/A 172.16.1.3:1034 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
N/A 10.87.149.58:1034 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
N/A 10.222.21.129:1034 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
N/A 192.168.10.100:1034 tcp
N/A 172.16.1.137:1034 tcp

Files

memory/2748-0-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2136-5-0x0000000000400000-0x0000000000408000-memory.dmp

C:\Windows\services.exe

MD5 b0fe74719b1b647e2056641931907f4a
SHA1 e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256 bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA512 9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

C:\Users\Admin\AppData\Local\Temp\zincite.log

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2748-13-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2136-15-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2136-16-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2136-21-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2136-26-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2136-28-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2136-33-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2136-38-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2136-40-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2136-45-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2136-50-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2136-52-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2748-56-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2136-57-0x0000000000400000-0x0000000000408000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-28 19:07

Reported

2024-09-28 19:09

Platform

win7-20240903-en

Max time kernel

120s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2N.exe"

Signatures

Detects MyDoom family

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

worm mydoom

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\services.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" C:\Windows\services.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" C:\Users\Admin\AppData\Local\Temp\4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2N.exe N/A

UPX packed file

upx
Description Indicator Process Target
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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\4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\services.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2N.exe

"C:\Users\Admin\AppData\Local\Temp\4bbd382114d893e50bc9f4f81f7d99f8fcec6e2299344d6882e2c981882bdef2N.exe"

C:\Windows\services.exe

"C:\Windows\services.exe"

Network

Country Destination Domain Proto
N/A 192.168.2.155:1034 tcp
N/A 172.16.1.3:1034 tcp
N/A 10.87.149.58:1034 tcp
N/A 10.222.21.129:1034 tcp
US 8.8.8.8:53 alumni.caltech.edu udp
US 8.8.8.8:53 alumni-caltech-edu.mail.protection.outlook.com udp
US 52.101.8.46:25 alumni-caltech-edu.mail.protection.outlook.com tcp
US 8.8.8.8:53 gzip.org udp
US 8.8.8.8:53 gzip.org udp
US 85.187.148.2:25 gzip.org tcp
N/A 192.168.10.100:1034 tcp
US 85.187.148.2:25 gzip.org tcp
US 8.8.8.8:53 alumni.caltech.edu udp
US 204.13.239.180:25 alumni.caltech.edu tcp
N/A 172.16.1.137:1034 tcp
US 8.8.8.8:53 mx.gzip.org udp
US 8.8.8.8:53 mail.gzip.org udp
US 85.187.148.2:25 mail.gzip.org tcp

Files

memory/1448-0-0x0000000000500000-0x0000000000510200-memory.dmp

memory/1448-4-0x0000000000220000-0x0000000000228000-memory.dmp

C:\Windows\services.exe

MD5 b0fe74719b1b647e2056641931907f4a
SHA1 e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256 bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA512 9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

memory/2496-10-0x0000000000400000-0x0000000000408000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\zincite.log

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/1448-16-0x0000000000500000-0x0000000000510200-memory.dmp

memory/1448-17-0x0000000000220000-0x0000000000228000-memory.dmp

memory/2496-19-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2496-20-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2496-25-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2496-30-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2496-32-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2496-37-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1448-41-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2496-42-0x0000000000400000-0x0000000000408000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\zincite.log

MD5 215bd09ef4f54c96b95a6b791d018e91
SHA1 e9825ac26a1aea7f5602a11cfadce8f0389815e6
SHA256 5a7087a415e76b91983a0874dff0c83f81e48da91a97878a40354c050d556edc
SHA512 690affdc965e92c657fc3ecc83e0cc09f9a9affa0ce70cb5be2b28de62592692254a09f71ff2223ace687819ebe40aa1fb868d5677734c4a4791bc4f0c8a826b

C:\Users\Admin\AppData\Local\Temp\tmp15F1.tmp

MD5 aac1ecc1f8e1b5d60cea7a3a82f39188
SHA1 1ecb6de8acd0c5a20fbc2f2d831994f74a3eb931
SHA256 ce207881e5c0b612d8e5762c96c353c6c518c2ed1631e217af4835bcccc31148
SHA512 b43f9b09aa22198f02d993f298ad6138ff33b24e70ba0dea89fb92eef8c4a380af055ac2bc51b5a045a788d3307c109732c4e776f00f9e8b8b8eebff91ff32b4

memory/1448-57-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2496-58-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1448-61-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2496-62-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1448-66-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2496-67-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2496-69-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1448-73-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2496-74-0x0000000000400000-0x0000000000408000-memory.dmp