Malware Analysis Report

2025-03-15 00:40

Sample ID 241022-z1wzeathld
Target f623121941ede046173e02d7133b828f7b1a5359ff085840520228d1af306e9fN
SHA256 f623121941ede046173e02d7133b828f7b1a5359ff085840520228d1af306e9f
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: 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

f623121941ede046173e02d7133b828f7b1a5359ff085840520228d1af306e9f

Threat Level: Known bad

The file f623121941ede046173e02d7133b828f7b1a5359ff085840520228d1af306e9fN 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

2024-10-22 21:11

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

2024-10-22 21:11

Reported

2024-10-22 21:13

Platform

win7-20240903-en

Max time kernel

120s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f623121941ede046173e02d7133b828f7b1a5359ff085840520228d1af306e9fN.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\JavaVM = "C:\\Windows\\java.exe" C:\Users\Admin\AppData\Local\Temp\f623121941ede046173e02d7133b828f7b1a5359ff085840520228d1af306e9fN.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\f623121941ede046173e02d7133b828f7b1a5359ff085840520228d1af306e9fN.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\f623121941ede046173e02d7133b828f7b1a5359ff085840520228d1af306e9fN.exe

"C:\Users\Admin\AppData\Local\Temp\f623121941ede046173e02d7133b828f7b1a5359ff085840520228d1af306e9fN.exe"

C:\Windows\services.exe

"C:\Windows\services.exe"

Network

Country Destination Domain Proto
N/A 172.16.1.169:1034 tcp
N/A 192.168.2.108:1034 tcp
N/A 172.16.1.2:1034 tcp
N/A 192.168.2.107:1034 tcp
N/A 192.168.2.12:1034 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 52.101.9.14:25 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
US 8.8.8.8:53 alumni.caltech.edu udp
US 204.13.239.180:25 alumni.caltech.edu tcp
US 85.187.148.2:25 gzip.org tcp
N/A 10.127.0.3:1034 tcp

Files

memory/2016-0-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2016-4-0x0000000000220000-0x0000000000228000-memory.dmp

C:\Windows\services.exe

MD5 b0fe74719b1b647e2056641931907f4a
SHA1 e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256 bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA512 9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

memory/2896-10-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2016-16-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2016-17-0x0000000000220000-0x0000000000228000-memory.dmp

memory/2896-19-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2896-20-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2896-25-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2896-30-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2896-32-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2896-37-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2896-42-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2016-43-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2896-44-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2016-48-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2896-49-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 63190cb375a584815f72bcb0b1aa0f22
SHA1 31d766cc430344d7594ffb219d28f9815376e96e
SHA256 eb7e24a617a7e2dedcb95d9fa0babc3c5132a8f6af2abdd331310bf2ef4ffb69
SHA512 b922b24be6e185e3273d81c1754c83926434af3b7d587ea397cf702bd68ad03bdb7a3f1f85924ea9df7689e650de14ae49fe59c96d3fedfbd2542c2f2275a54e

C:\Users\Admin\AppData\Local\Temp\tmp2626.tmp

MD5 38d39b19c5d8c9d4ed249ca4654ca7ae
SHA1 030c39ddbac329ef839a89e0a43b52966bf1722d
SHA256 5fb32f32045289166fd198f4306beca37e1eea72b5c1fb7dbee621344a3bb8d6
SHA512 77ebd3ec71050c5033bad6ea6010b07812ee3aa19461f10c569d50fdb6d151da91d37ce789701f83335dcd4e2210328c879af669cb5debe256882aa77d6c617e

memory/2896-67-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2016-66-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2896-69-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2016-68-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2896-74-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2016-73-0x0000000000500000-0x0000000000510200-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-22 21:11

Reported

2024-10-22 21:13

Platform

win10v2004-20241007-en

Max time kernel

120s

Max time network

114s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f623121941ede046173e02d7133b828f7b1a5359ff085840520228d1af306e9fN.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\f623121941ede046173e02d7133b828f7b1a5359ff085840520228d1af306e9fN.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\f623121941ede046173e02d7133b828f7b1a5359ff085840520228d1af306e9fN.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\f623121941ede046173e02d7133b828f7b1a5359ff085840520228d1af306e9fN.exe

"C:\Users\Admin\AppData\Local\Temp\f623121941ede046173e02d7133b828f7b1a5359ff085840520228d1af306e9fN.exe"

C:\Windows\services.exe

"C:\Windows\services.exe"

Network

Country Destination Domain Proto
N/A 172.16.1.169:1034 tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
N/A 192.168.2.108:1034 tcp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
N/A 172.16.1.2:1034 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
N/A 192.168.2.107:1034 tcp
N/A 192.168.2.12:1034 tcp
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 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
N/A 10.127.0.3:1034 tcp

Files

memory/2168-0-0x0000000000500000-0x0000000000510200-memory.dmp

C:\Windows\services.exe

MD5 b0fe74719b1b647e2056641931907f4a
SHA1 e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256 bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA512 9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

memory/2360-5-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2168-13-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2360-15-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2360-16-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2360-21-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2360-26-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2360-28-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2360-33-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2360-38-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2360-40-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2360-45-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2360-50-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2360-52-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2168-56-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2360-57-0x0000000000400000-0x0000000000408000-memory.dmp