Malware Analysis Report

2025-03-15 00:46

Sample ID 241023-cbf6bsxdlj
Target a2e360294ee937642677c858030ea7612e547807b3123de305e43a6524da533aN
SHA256 a2e360294ee937642677c858030ea7612e547807b3123de305e43a6524da533a
Tags
upx mydoom discovery persistence 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

a2e360294ee937642677c858030ea7612e547807b3123de305e43a6524da533a

Threat Level: Known bad

The file a2e360294ee937642677c858030ea7612e547807b3123de305e43a6524da533aN was found to be: Known bad.

Malicious Activity Summary

upx mydoom discovery persistence worm

Detects MyDoom family

MyDoom

Executes dropped EXE

Adds Run key to start application

UPX packed file

Drops file in Windows directory

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-23 01:53

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

2024-10-23 01:53

Reported

2024-10-23 01:56

Platform

win7-20241010-en

Max time kernel

120s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a2e360294ee937642677c858030ea7612e547807b3123de305e43a6524da533aN.exe"

Signatures

Detects MyDoom family

Description Indicator Process Target
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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\a2e360294ee937642677c858030ea7612e547807b3123de305e43a6524da533aN.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\a2e360294ee937642677c858030ea7612e547807b3123de305e43a6524da533aN.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\a2e360294ee937642677c858030ea7612e547807b3123de305e43a6524da533aN.exe

"C:\Users\Admin\AppData\Local\Temp\a2e360294ee937642677c858030ea7612e547807b3123de305e43a6524da533aN.exe"

C:\Windows\services.exe

"C:\Windows\services.exe"

Network

Country Destination Domain Proto
N/A 172.16.1.3:1034 tcp
N/A 10.156.133.4:1034 tcp
N/A 10.0.77.20:1034 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 8.8.8.8:53 gzip.org udp
US 52.101.40.1:25 alumni-caltech-edu.mail.protection.outlook.com tcp
US 8.8.8.8:53 gzip.org udp
US 85.187.148.2:25 gzip.org tcp
N/A 192.168.2.155:1034 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 10.128.8.216:1034 tcp
US 8.8.8.8:53 mx.gzip.org udp
US 8.8.8.8:53 mx.alumni.caltech.edu udp
US 8.8.8.8:53 mail.alumni.caltech.edu udp
US 8.8.8.8:53 smtp.alumni.caltech.edu udp
US 8.8.8.8:53 mail.gzip.org udp
US 85.187.148.2:25 mail.gzip.org tcp
N/A 10.127.0.6:1034 tcp

Files

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

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2948-11-0x0000000000400000-0x0000000000408000-memory.dmp

C:\Windows\services.exe

MD5 b0fe74719b1b647e2056641931907f4a
SHA1 e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256 bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA512 9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

memory/2880-8-0x0000000000220000-0x0000000000228000-memory.dmp

memory/2880-4-0x0000000000220000-0x0000000000228000-memory.dmp

memory/2880-0-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2880-17-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2880-18-0x0000000000220000-0x0000000000228000-memory.dmp

memory/2948-20-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2948-21-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2948-26-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2948-31-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2880-32-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2948-33-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2948-38-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 db696260cd6c0fa4c96859abcf6e09f5
SHA1 090a8074ddc4d8229b77ffe8fd6830d5dc682555
SHA256 a14bd0f250dab24fcb1e116a6877fbf81f8c117bdfc3d2f3421bca789aa2858a
SHA512 99c175ca4be5fee804a01a1a7177e548539a0e0af76c3c8abcd2643536a4fa639b18039ab87f32657cf96e5a3a261eecb7ceb22815698cf90e1e3ed66a370a25

C:\Users\Admin\AppData\Local\Temp\tmp3620.tmp

MD5 4fb7d318f4995db1f979d2038744562d
SHA1 20a48127671782f3200900c20e6269dd98fac495
SHA256 b7a7bd5cf6dae89abd6b8dcb0deadb5760cb5745b66b0f7d48bcb4c40d7b10d7
SHA512 1419ec37c56d24795f1afe1c5a2d9852441d9bfa5593a28695f8372bc9eb93191ed0c42fb502b80e4ca286c36dbbd70df41c5de9880128020d6ba8128533bf7e

memory/2880-58-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2948-59-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2880-60-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2948-61-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2880-65-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2948-66-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2948-71-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2948-73-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2880-72-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2948-78-0x0000000000400000-0x0000000000408000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-23 01:53

Reported

2024-10-23 01:56

Platform

win10v2004-20241007-en

Max time kernel

120s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a2e360294ee937642677c858030ea7612e547807b3123de305e43a6524da533aN.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\a2e360294ee937642677c858030ea7612e547807b3123de305e43a6524da533aN.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\a2e360294ee937642677c858030ea7612e547807b3123de305e43a6524da533aN.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\a2e360294ee937642677c858030ea7612e547807b3123de305e43a6524da533aN.exe

"C:\Users\Admin\AppData\Local\Temp\a2e360294ee937642677c858030ea7612e547807b3123de305e43a6524da533aN.exe"

C:\Windows\services.exe

"C:\Windows\services.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
N/A 172.16.1.3:1034 tcp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
N/A 10.156.133.4:1034 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
US 8.8.8.8:53 69.190.18.2.in-addr.arpa udp
N/A 10.0.77.20:1034 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
N/A 192.168.2.155:1034 tcp
N/A 10.128.8.216:1034 tcp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
N/A 10.127.0.6:1034 tcp

Files

memory/2208-0-0x0000000000500000-0x0000000000510200-memory.dmp

C:\Windows\services.exe

MD5 b0fe74719b1b647e2056641931907f4a
SHA1 e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256 bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA512 9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

memory/420-6-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2208-13-0x0000000000500000-0x0000000000510200-memory.dmp

memory/420-15-0x0000000000400000-0x0000000000408000-memory.dmp

memory/420-16-0x0000000000400000-0x0000000000408000-memory.dmp

memory/420-21-0x0000000000400000-0x0000000000408000-memory.dmp

memory/420-26-0x0000000000400000-0x0000000000408000-memory.dmp

memory/420-28-0x0000000000400000-0x0000000000408000-memory.dmp

memory/420-33-0x0000000000400000-0x0000000000408000-memory.dmp

memory/420-38-0x0000000000400000-0x0000000000408000-memory.dmp

memory/420-40-0x0000000000400000-0x0000000000408000-memory.dmp

memory/420-45-0x0000000000400000-0x0000000000408000-memory.dmp

memory/420-50-0x0000000000400000-0x0000000000408000-memory.dmp

memory/420-52-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2208-56-0x0000000000500000-0x0000000000510200-memory.dmp

memory/420-57-0x0000000000400000-0x0000000000408000-memory.dmp