Malware Analysis Report

2025-03-15 00:39

Sample ID 240930-rwb5fazgjj
Target 63626c8071c3b85e699653973db4819e841a0147d3f4d305c3b764ad1e001cecN
SHA256 63626c8071c3b85e699653973db4819e841a0147d3f4d305c3b764ad1e001cec
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

63626c8071c3b85e699653973db4819e841a0147d3f4d305c3b764ad1e001cec

Threat Level: Known bad

The file 63626c8071c3b85e699653973db4819e841a0147d3f4d305c3b764ad1e001cecN 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

2024-09-30 14:32

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

2024-09-30 14:32

Reported

2024-09-30 14:34

Platform

win7-20240903-en

Max time kernel

120s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\63626c8071c3b85e699653973db4819e841a0147d3f4d305c3b764ad1e001cecN.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\63626c8071c3b85e699653973db4819e841a0147d3f4d305c3b764ad1e001cecN.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\63626c8071c3b85e699653973db4819e841a0147d3f4d305c3b764ad1e001cecN.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\63626c8071c3b85e699653973db4819e841a0147d3f4d305c3b764ad1e001cecN.exe

"C:\Users\Admin\AppData\Local\Temp\63626c8071c3b85e699653973db4819e841a0147d3f4d305c3b764ad1e001cecN.exe"

C:\Windows\services.exe

"C:\Windows\services.exe"

Network

Country Destination Domain Proto
N/A 10.156.133.4:1034 tcp
N/A 172.16.1.5:1034 tcp
N/A 10.93.103.153:1034 tcp
N/A 192.168.10.107:1034 tcp
N/A 10.241.35.61:1034 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 52.101.42.16:25 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 192.168.2.16:1034 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

Files

memory/2668-2-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2668-4-0x0000000000400000-0x0000000000408000-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/2668-15-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2668-16-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2352-18-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2352-19-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2352-24-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2352-29-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2352-31-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2352-36-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2352-41-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2352-43-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2668-47-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2352-48-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2668-52-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2352-53-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 706dcf0257625cd274067328530246df
SHA1 d045ce2f1433693b40ca064b5d0038b825933681
SHA256 1a6f22aed7ca5efac85fbe319460da74d4697c49e325714bc0a0e531dc8dd4cd
SHA512 2357ce5d2b640ffc5f623f99cddb71786d848c36b88fe7901f534ad487f29abf9b91174cc84ea15f447b51d98c33951e1384cdf45adbd0a81d21f2e845f6c174

C:\Users\Admin\AppData\Local\Temp\tmpE34.tmp

MD5 9905ebe6395abda13c71138bdb032afa
SHA1 dc8b567adb056898e03418d0841735bb3cdf6363
SHA256 6c4338db87de994305fb840b0021b403f8c7c000505446909c6b0458a39b7f85
SHA512 84151924474962d8f2a732edc464b02bc2edb0e058f2085f51fc74e2c563bddc1cb6706a1da79b915a1b154d8410dd66985ca06a726a90da32e818cdfc9a2534

memory/2668-68-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2352-69-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2668-72-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2352-73-0x0000000000400000-0x0000000000408000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-30 14:32

Reported

2024-09-30 14:34

Platform

win10v2004-20240802-en

Max time kernel

120s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\63626c8071c3b85e699653973db4819e841a0147d3f4d305c3b764ad1e001cecN.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\63626c8071c3b85e699653973db4819e841a0147d3f4d305c3b764ad1e001cecN.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\63626c8071c3b85e699653973db4819e841a0147d3f4d305c3b764ad1e001cecN.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\63626c8071c3b85e699653973db4819e841a0147d3f4d305c3b764ad1e001cecN.exe

"C:\Users\Admin\AppData\Local\Temp\63626c8071c3b85e699653973db4819e841a0147d3f4d305c3b764ad1e001cecN.exe"

C:\Windows\services.exe

"C:\Windows\services.exe"

Network

Country Destination Domain Proto
N/A 10.156.133.4:1034 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 8.8.8.8:53 241.66.18.2.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
N/A 172.16.1.5:1034 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
N/A 10.93.103.153:1034 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
N/A 192.168.10.107:1034 tcp
N/A 10.241.35.61:1034 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
N/A 192.168.2.16:1034 tcp
US 8.8.8.8:53 m-ou.se udp
US 8.8.8.8:53 aspmx5.googlemail.com udp
US 173.194.202.26:25 aspmx5.googlemail.com tcp
US 8.8.8.8:53 acm.org udp
US 8.8.8.8:53 mail.mailroute.net udp
US 199.89.1.120:25 mail.mailroute.net tcp
US 8.8.8.8:53 cs.stanford.edu udp
US 8.8.8.8:53 smtp2.cs.stanford.edu udp
US 171.64.64.26:25 smtp2.cs.stanford.edu tcp
US 8.8.8.8:53 burtleburtle.net udp
US 171.64.64.26:25 smtp2.cs.stanford.edu tcp
US 8.8.8.8:53 mx.burtleburtle.net udp
US 65.254.254.50:25 mx.burtleburtle.net 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 52.101.40.2:25 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 www.google.com udp
GB 142.250.180.4:80 www.google.com tcp
GB 142.250.180.4:80 www.google.com tcp
US 8.8.8.8:53 search.lycos.com udp
US 209.202.254.10:80 search.lycos.com tcp
US 8.8.8.8:53 www.altavista.com udp
IE 212.82.100.137:80 www.altavista.com tcp
US 209.202.254.10:443 search.lycos.com tcp
US 8.8.8.8:53 search.yahoo.com udp
IE 212.82.100.137:80 search.yahoo.com tcp
IE 212.82.100.137:443 search.yahoo.com tcp
US 209.202.254.10:443 search.lycos.com tcp
US 8.8.8.8:53 r10.o.lencr.org udp
GB 2.23.210.75:80 r10.o.lencr.org tcp
GB 142.250.180.4:80 www.google.com tcp
GB 142.250.180.4:80 www.google.com tcp
US 209.202.254.10:80 search.lycos.com tcp
US 8.8.8.8:53 4.180.250.142.in-addr.arpa udp
US 8.8.8.8:53 10.254.202.209.in-addr.arpa udp
US 8.8.8.8:53 137.100.82.212.in-addr.arpa udp
US 8.8.8.8:53 32.169.19.2.in-addr.arpa udp
US 8.8.8.8:53 75.210.23.2.in-addr.arpa udp
US 209.202.254.10:443 search.lycos.com tcp
US 209.202.254.10:443 search.lycos.com tcp
IE 212.82.100.137:80 search.yahoo.com tcp
IE 212.82.100.137:443 search.yahoo.com tcp
GB 142.250.180.4:80 www.google.com tcp
GB 142.250.180.4:80 www.google.com tcp
IE 212.82.100.137:80 search.yahoo.com tcp
IE 212.82.100.137:443 search.yahoo.com tcp
IE 212.82.100.137:80 search.yahoo.com tcp
IE 212.82.100.137:443 search.yahoo.com tcp
GB 142.250.180.4:80 www.google.com tcp
GB 142.250.180.4:80 www.google.com tcp
GB 142.250.180.4:80 www.google.com tcp
GB 142.250.180.4:80 www.google.com tcp
US 209.202.254.10:80 search.lycos.com tcp
US 209.202.254.10:443 search.lycos.com tcp
GB 142.250.180.4:80 www.google.com tcp
US 209.202.254.10:443 search.lycos.com tcp
IE 212.82.100.137:80 search.yahoo.com tcp
IE 212.82.100.137:443 search.yahoo.com tcp
US 209.202.254.10:80 search.lycos.com tcp
IE 212.82.100.137:80 search.yahoo.com tcp
US 209.202.254.10:443 search.lycos.com tcp
IE 212.82.100.137:443 search.yahoo.com tcp
US 209.202.254.10:443 search.lycos.com tcp
GB 142.250.180.4:80 www.google.com tcp
GB 142.250.180.4:80 www.google.com tcp
GB 142.250.180.4:80 www.google.com tcp
US 209.202.254.10:443 search.lycos.com tcp
GB 142.250.180.4:80 www.google.com tcp
IE 212.82.100.137:80 search.yahoo.com tcp
IE 212.82.100.137:443 search.yahoo.com tcp
IE 212.82.100.137:80 search.yahoo.com tcp
IE 212.82.100.137:443 search.yahoo.com tcp
GB 142.250.180.4:80 www.google.com tcp
GB 142.250.180.4:80 www.google.com tcp
IE 212.82.100.137:80 search.yahoo.com tcp
IE 212.82.100.137:443 search.yahoo.com tcp
GB 142.250.180.4:80 tcp
GB 142.250.180.4:80 tcp

Files

memory/4984-0-0x0000000000500000-0x0000000000510200-memory.dmp

C:\Windows\services.exe

MD5 b0fe74719b1b647e2056641931907f4a
SHA1 e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256 bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA512 9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

memory/4136-5-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/4984-13-0x0000000000500000-0x0000000000510200-memory.dmp

memory/4136-15-0x0000000000400000-0x0000000000408000-memory.dmp

memory/4136-16-0x0000000000400000-0x0000000000408000-memory.dmp

memory/4136-21-0x0000000000400000-0x0000000000408000-memory.dmp

memory/4136-26-0x0000000000400000-0x0000000000408000-memory.dmp

memory/4136-28-0x0000000000400000-0x0000000000408000-memory.dmp

memory/4136-33-0x0000000000400000-0x0000000000408000-memory.dmp

memory/4136-38-0x0000000000400000-0x0000000000408000-memory.dmp

memory/4136-40-0x0000000000400000-0x0000000000408000-memory.dmp

memory/4136-45-0x0000000000400000-0x0000000000408000-memory.dmp

memory/4136-50-0x0000000000400000-0x0000000000408000-memory.dmp

memory/4984-51-0x0000000000500000-0x0000000000510200-memory.dmp

memory/4136-52-0x0000000000400000-0x0000000000408000-memory.dmp

memory/4984-56-0x0000000000500000-0x0000000000510200-memory.dmp

memory/4136-57-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 50125c43756f6a7ccbd2edb80929367b
SHA1 74976bb28a6eebae5ec0462e650a6e29d1cdcc1c
SHA256 12fdfb8ab45387f758b51d97562641b07a5405b83829da4639a0ccad971d6ef2
SHA512 0c9bf2239c99a3ff5d5289f44052d6f064eddf73c0c683999c3881e6a7ee2dbea17fe86332cd89b3e583d66c77d103d708d9a60f582bb1efc005b9943b61806c

C:\Users\Admin\AppData\Local\Temp\tmp1C2B.tmp

MD5 cdb40ef369c59384b01b97adf9d1da0d
SHA1 c21d352bdbfc9164c183e64fd44c5ef8b9ff0540
SHA256 246bdae7f0a9bd7c4399932394b9e10c01df7fa3c42f8df7b136c164047a1de0
SHA512 fbf58a57c5573cc5f045399564098eed72bd7a2b44c7dc3a350b6509186a82d6e9080fd560a801f14a30b5930cf6072bdcdcb10fb724c4fcca6e189a16a81ac5

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\KDOTUZKP\search[3].htm

MD5 8ba61a16b71609a08bfa35bc213fce49
SHA1 8374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA256 6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA512 5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1