Malware Analysis Report

2024-12-07 02:54

Sample ID 241110-xemgqswkej
Target 731bddddbb5edfeb24a6b812e33952ee1a481f2ed61c5d6ef5a8e84aeba0554dN
SHA256 731bddddbb5edfeb24a6b812e33952ee1a481f2ed61c5d6ef5a8e84aeba0554d
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

731bddddbb5edfeb24a6b812e33952ee1a481f2ed61c5d6ef5a8e84aeba0554d

Threat Level: Known bad

The file 731bddddbb5edfeb24a6b812e33952ee1a481f2ed61c5d6ef5a8e84aeba0554dN was found to be: Known bad.

Malicious Activity Summary

upx mydoom discovery persistence worm

MyDoom

Mydoom family

Detects MyDoom family

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

2024-11-10 18:46

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

2024-11-10 18:46

Reported

2024-11-10 18:48

Platform

win7-20240903-en

Max time kernel

120s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\731bddddbb5edfeb24a6b812e33952ee1a481f2ed61c5d6ef5a8e84aeba0554dN.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
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
N/A N/A N/A N/A

MyDoom

worm mydoom

Mydoom family

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\731bddddbb5edfeb24a6b812e33952ee1a481f2ed61c5d6ef5a8e84aeba0554dN.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
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
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
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
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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

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\731bddddbb5edfeb24a6b812e33952ee1a481f2ed61c5d6ef5a8e84aeba0554dN.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\731bddddbb5edfeb24a6b812e33952ee1a481f2ed61c5d6ef5a8e84aeba0554dN.exe

"C:\Users\Admin\AppData\Local\Temp\731bddddbb5edfeb24a6b812e33952ee1a481f2ed61c5d6ef5a8e84aeba0554dN.exe"

C:\Windows\services.exe

"C:\Windows\services.exe"

Network

Country Destination Domain Proto
N/A 10.156.133.4:1034 tcp
N/A 10.127.0.6:1034 tcp
N/A 10.152.243.207:1034 tcp
N/A 192.168.2.9:1034 tcp
N/A 10.202.221.84:1034 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 52.101.41.26:25 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 10.202.221.84:1034 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/2452-2-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2452-4-0x0000000000220000-0x0000000000228000-memory.dmp

memory/2452-9-0x0000000000220000-0x0000000000228000-memory.dmp

C:\Windows\services.exe

MD5 b0fe74719b1b647e2056641931907f4a
SHA1 e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256 bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA512 9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

memory/2136-11-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2452-17-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2136-19-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2136-20-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2136-25-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2136-30-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2136-32-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2136-37-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2136-42-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2136-44-0x0000000000400000-0x0000000000408000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\n5sBnguk.log

MD5 9989186095280d5af34e83bbf0e5aa30
SHA1 b15b8e575c27adf79528c88fa29376469699055c
SHA256 878c718a9fda98c18fa145b9cf9d3fd8756d255f2272989fd9015208f5741d08
SHA512 34d8e6370b8b7b83841411e4ec1fe05d411322939a2c87ebc5748889379b920be781ed9fa20fb47f54f0f39e7440e9bc1f89e456db93f9e4c5bac290a0253d7c

memory/2452-48-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2136-49-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2452-53-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2136-54-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 b31a29ca1f78ce5a62f66d70efe6b6de
SHA1 3321b0f1d04c88a344c26afec2f340a0e818132a
SHA256 a92dde45ba43886c23241b653178c840fe8c999d6de58f101e24f09320058e9a
SHA512 cb5f00dd9fd7b1699fc5e6c922aeb737187e6677bf87eeae8227a1d96826bbd2975375c94bd5ec35cee9d43c0d0a54a036c94c41a289e94468fcde68b22b544d

C:\Users\Admin\AppData\Local\Temp\tmpFA78.tmp

MD5 397db3283317b84fc6272d429159df1e
SHA1 cbe59e0c88b5efe418b106f854cad861f688430b
SHA256 7e4e955e57dc33b8146a784eac06b7d9e5e91e2165714add72f0ad775572befb
SHA512 4cc7b150629f3cd6e15f81a43e490c0cc51ccd35aaaa48cf570a9e86cd8781594c7b3e232f05c426a70df8304021099e03ce4f95d7ea2ab95dd8e3bf2e25a14f

memory/2452-78-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2136-79-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2452-82-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2136-83-0x0000000000400000-0x0000000000408000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 18:46

Reported

2024-11-10 18:48

Platform

win10v2004-20241007-en

Max time kernel

120s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\731bddddbb5edfeb24a6b812e33952ee1a481f2ed61c5d6ef5a8e84aeba0554dN.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
N/A N/A N/A N/A
N/A N/A N/A N/A

MyDoom

worm mydoom

Mydoom family

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\731bddddbb5edfeb24a6b812e33952ee1a481f2ed61c5d6ef5a8e84aeba0554dN.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
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
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
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
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
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

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\731bddddbb5edfeb24a6b812e33952ee1a481f2ed61c5d6ef5a8e84aeba0554dN.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\731bddddbb5edfeb24a6b812e33952ee1a481f2ed61c5d6ef5a8e84aeba0554dN.exe

"C:\Users\Admin\AppData\Local\Temp\731bddddbb5edfeb24a6b812e33952ee1a481f2ed61c5d6ef5a8e84aeba0554dN.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 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
N/A 10.127.0.6:1034 tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
N/A 10.152.243.207:1034 tcp
US 8.8.8.8:53 105.209.201.84.in-addr.arpa udp
N/A 192.168.2.9:1034 tcp
N/A 10.202.221.84:1034 tcp
US 8.8.8.8:53 69.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 m-ou.se udp
US 8.8.8.8:53 aspmx4.googlemail.com udp
TW 142.250.157.26:25 aspmx4.googlemail.com tcp
US 8.8.8.8:53 acm.org udp
US 8.8.8.8:53 mail.mailroute.net udp
US 199.89.3.120:25 mail.mailroute.net tcp
US 8.8.8.8:53 cs.stanford.edu udp
US 8.8.8.8:53 smtp1.cs.stanford.edu udp
US 171.64.64.25:25 smtp1.cs.stanford.edu tcp
US 8.8.8.8:53 burtleburtle.net udp
US 8.8.8.8:53 mx.burtleburtle.net udp
US 65.254.254.52:25 mx.burtleburtle.net tcp
US 171.64.64.25:25 smtp1.cs.stanford.edu 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 52.101.41.3:25 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 search.yahoo.com udp
IE 212.82.100.137:80 search.yahoo.com tcp
US 8.8.8.8:53 www.altavista.com udp
IE 212.82.100.137:80 www.altavista.com tcp
IE 212.82.100.137:443 www.altavista.com tcp
IE 212.82.100.137:80 www.altavista.com tcp
IE 212.82.100.137:443 www.altavista.com tcp
US 8.8.8.8:53 www.google.com udp
GB 142.250.180.4:80 www.google.com tcp
GB 142.250.180.4:443 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 c.pki.goog udp
GB 142.250.180.4:443 www.google.com tcp
GB 142.250.187.227:80 c.pki.goog tcp
US 209.202.254.10:443 search.lycos.com tcp
US 8.8.8.8:53 o.pki.goog udp
GB 142.250.187.227:80 o.pki.goog tcp
US 209.202.254.10:443 search.lycos.com tcp
GB 142.250.180.4:80 www.google.com tcp
US 8.8.8.8:53 consent.google.com udp
GB 172.217.16.238:443 consent.google.com tcp
GB 172.217.16.238:443 consent.google.com tcp
GB 142.250.180.4:80 www.google.com tcp
GB 142.250.180.4:443 www.google.com tcp
US 8.8.8.8:53 r11.o.lencr.org udp
GB 142.250.180.4:443 www.google.com tcp
GB 2.23.210.82:80 r11.o.lencr.org tcp
GB 142.250.180.4:80 www.google.com tcp
N/A 10.202.221.84:1034 tcp
IE 212.82.100.137:80 www.altavista.com tcp
US 8.8.8.8:53 137.100.82.212.in-addr.arpa udp
US 8.8.8.8:53 4.180.250.142.in-addr.arpa udp
US 8.8.8.8:53 227.187.250.142.in-addr.arpa udp
US 8.8.8.8:53 10.254.202.209.in-addr.arpa udp
US 8.8.8.8:53 238.16.217.172.in-addr.arpa udp
US 8.8.8.8:53 32.169.19.2.in-addr.arpa udp
US 8.8.8.8:53 82.210.23.2.in-addr.arpa udp
IE 212.82.100.137:80 www.altavista.com tcp
IE 212.82.100.137:443 www.altavista.com tcp
US 209.202.254.10:80 search.lycos.com tcp
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 www.altavista.com tcp
IE 212.82.100.137:80 www.altavista.com tcp
IE 212.82.100.137:443 www.altavista.com tcp
US 199.89.3.120:25 mail.mailroute.net tcp

Files

memory/2180-0-0x0000000000500000-0x0000000000510200-memory.dmp

C:\Windows\services.exe

MD5 b0fe74719b1b647e2056641931907f4a
SHA1 e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256 bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA512 9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

memory/2968-5-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2180-13-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2968-15-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2968-16-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2968-21-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2968-26-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2968-28-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2968-33-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2968-38-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2968-40-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 003ff88751e45cfe86de48764534b8c9
SHA1 16c3641ab4d8812dcf9303249d7cca273bfc8dc6
SHA256 1b4645995e73aeec0d62c77e610e3454712c58853379cfdb6e2abe4cfa1f3134
SHA512 25e539d53f6ae0b41898c8f9e68441c3275eb2d419dc79dac959ae332682dd78b72072be68c290e772e380d2adf3ddab0f383940618f43b7d21b00a72ed91cdc

memory/2968-45-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2180-49-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2968-50-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2180-51-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2968-52-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 71baff8d2a72f07993dc3a2b544dd94d
SHA1 4666a7adfdfb28c49a47d387a3ff43ccaf325956
SHA256 1060a28608158a1dd1f8bdc38aebf328e85010dfb9bb0931277529c553381f27
SHA512 a87e224efd03db4a6c6c40b6d07aa33872b215cc4ecb89dd508078699a0e7147b49787cad287350933c0d6fb5565cae575e3b6b52415afdc3b5b4e4e7d55c6d2

C:\Users\Admin\AppData\Local\Temp\tmp1BCD.tmp

MD5 8c92afbb012dbc67284431a661007783
SHA1 d582e45f316a357f039dff7a645abf2f3f422045
SHA256 a20eddee306059779c91988b5d01cbc76af365da347a902208b29405a60acaf5
SHA512 ffcfedb82822a0a20d5db2ba76895903a4d6ae39e3f6f123c6bf4dbed632b6eefc1c5cc031501cda88aeed4eafa5de3346aa7d5c88b3de54de9b94b8f1c33a20

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\TTJXD3SW\search[2].htm

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

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

MD5 f1a99ed831d3a8f5af727560728633c0
SHA1 6a7865f5a237027050368f88d106617d797291cb
SHA256 2f0b8dc298bed8e471de63343ae10b7e0a5b191d0d8139f18a7cbbf3bb1469dc
SHA512 204cbf56da15e9424f4eb91dc8c36f05958b75621e69e85a4bfe3ec4d0f10861dfb34fb27a13a821e524a2032d871d3a108ee9317071acb6d2062a3b2a29de83

memory/2180-215-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2968-216-0x0000000000400000-0x0000000000408000-memory.dmp