Malware Analysis Report

2025-03-15 00:39

Sample ID 240930-gtrf8szeqk
Target 4d7f9cdbeedf48afdfcec561e4e2dd4d745cba68ebda4195bc97c0ecb751ac3fN
SHA256 4d7f9cdbeedf48afdfcec561e4e2dd4d745cba68ebda4195bc97c0ecb751ac3f
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

4d7f9cdbeedf48afdfcec561e4e2dd4d745cba68ebda4195bc97c0ecb751ac3f

Threat Level: Known bad

The file 4d7f9cdbeedf48afdfcec561e4e2dd4d745cba68ebda4195bc97c0ecb751ac3fN 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 06:06

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 06:06

Reported

2024-09-30 06:08

Platform

win7-20240903-en

Max time kernel

120s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4d7f9cdbeedf48afdfcec561e4e2dd4d745cba68ebda4195bc97c0ecb751ac3fN.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\4d7f9cdbeedf48afdfcec561e4e2dd4d745cba68ebda4195bc97c0ecb751ac3fN.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\4d7f9cdbeedf48afdfcec561e4e2dd4d745cba68ebda4195bc97c0ecb751ac3fN.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\4d7f9cdbeedf48afdfcec561e4e2dd4d745cba68ebda4195bc97c0ecb751ac3fN.exe

"C:\Users\Admin\AppData\Local\Temp\4d7f9cdbeedf48afdfcec561e4e2dd4d745cba68ebda4195bc97c0ecb751ac3fN.exe"

C:\Windows\services.exe

"C:\Windows\services.exe"

Network

Country Destination Domain Proto
N/A 10.156.133.4:1034 tcp
N/A 10.213.60.59:1034 tcp
N/A 10.128.8.216:1034 tcp
N/A 10.0.0.36:1034 tcp
N/A 192.168.0.255:1034 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 52.101.8.32:25 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 172.16.1.136:1034 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/2440-0-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2440-4-0x0000000000400000-0x0000000000408000-memory.dmp

C:\Windows\services.exe

MD5 b0fe74719b1b647e2056641931907f4a
SHA1 e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256 bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA512 9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

memory/2192-10-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2440-16-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2440-17-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2192-19-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2192-20-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2192-25-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2192-30-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2192-32-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2192-37-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2192-42-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2192-44-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2440-48-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2192-49-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 d645e6e778e6f9fb3f60a0b53994b603
SHA1 fcb83da6d529c9b80bac07eac74e9f5894c43855
SHA256 d215513290eee6a21b48b2a80153e3576d828d5a70999bade6e21c4b4fee6813
SHA512 6905e68c2f941e07f3d42715eb5d6d9cffe7cfc48766c2eea312c1adfdd682fd3bcc34feb32d7ba293bb5d9fb29540c448b6625f4ed307ebfc1bcf7227ef79ab

C:\Users\Admin\AppData\Local\Temp\tmpF7D.tmp

MD5 98f321996dea9efc14bd89060a9f673c
SHA1 777f3e034b1fe3cb4dd0a8e8bff65b05af9745d8
SHA256 9acec600759956c6dec0971429a5c330fb939c0a42b9f0f2d8514ccfee73c49b
SHA512 c3a2c42c6ac19ac65bc85fb5b03cd571a5d60556b37e17316c8ab95f968382715bc0721131635ed3b02c8c9274d8addd844f8edd6b7a801b6fbe2b8f972cc64b

memory/2440-66-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2192-67-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2440-68-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2192-69-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2440-73-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2192-74-0x0000000000400000-0x0000000000408000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-30 06:06

Reported

2024-09-30 06:08

Platform

win10v2004-20240802-en

Max time kernel

120s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4d7f9cdbeedf48afdfcec561e4e2dd4d745cba68ebda4195bc97c0ecb751ac3fN.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\4d7f9cdbeedf48afdfcec561e4e2dd4d745cba68ebda4195bc97c0ecb751ac3fN.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:\Windows\services.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4d7f9cdbeedf48afdfcec561e4e2dd4d745cba68ebda4195bc97c0ecb751ac3fN.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4d7f9cdbeedf48afdfcec561e4e2dd4d745cba68ebda4195bc97c0ecb751ac3fN.exe

"C:\Users\Admin\AppData\Local\Temp\4d7f9cdbeedf48afdfcec561e4e2dd4d745cba68ebda4195bc97c0ecb751ac3fN.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 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
N/A 10.213.60.59:1034 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
N/A 10.128.8.216:1034 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
N/A 10.0.0.36:1034 tcp
N/A 192.168.0.255:1034 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
N/A 172.16.1.136:1034 tcp
US 8.8.8.8:53 m-ou.se udp
US 8.8.8.8:53 alt1.aspmx.l.google.com udp
FI 142.250.150.27:25 alt1.aspmx.l.google.com tcp
US 8.8.8.8:53 acm.org udp
US 8.8.8.8:53 mail.mailroute.net udp
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 199.89.1.120:25 mail.mailroute.net 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 8.8.8.8:53 alumni.caltech.edu udp
US 8.8.8.8:53 alumni-caltech-edu.mail.protection.outlook.com udp
US 65.254.254.52:25 mx.burtleburtle.net tcp
US 52.101.9.17:25 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 142.250.179.228:80 www.google.com tcp
GB 142.250.179.228:80 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 8.8.8.8:53 228.179.250.142.in-addr.arpa udp
US 209.202.254.10:80 search.lycos.com tcp
US 209.202.254.10:443 search.lycos.com tcp
GB 142.250.179.228:80 www.google.com tcp
GB 142.250.179.228:80 www.google.com tcp
US 209.202.254.10:443 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 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 r10.o.lencr.org udp
IE 212.82.100.137:443 search.yahoo.com tcp
IE 212.82.100.137:443 search.yahoo.com tcp
GB 2.23.210.82:80 r10.o.lencr.org tcp
GB 142.250.179.228:80 www.google.com tcp
GB 142.250.179.228:80 www.google.com tcp
GB 142.250.179.228:80 www.google.com tcp
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 82.210.23.2.in-addr.arpa udp
IE 212.82.100.137:80 search.yahoo.com tcp
IE 212.82.100.137:443 search.yahoo.com tcp
US 209.202.254.10:80 search.lycos.com tcp
US 209.202.254.10:443 search.lycos.com tcp
IE 212.82.100.137:80 search.yahoo.com tcp
GB 142.250.179.228:80 www.google.com tcp
GB 142.250.179.228:80 www.google.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 142.250.179.228:80 www.google.com tcp
GB 142.250.179.228:80 www.google.com tcp
US 209.202.254.10:443 search.lycos.com tcp
US 209.202.254.10:443 search.lycos.com tcp
GB 142.250.179.228:80 www.google.com tcp
GB 142.250.179.228:80 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
GB 142.250.179.228:80 www.google.com tcp
IE 212.82.100.137:443 search.yahoo.com tcp
GB 142.250.179.228:80 www.google.com tcp
GB 142.250.179.228:80 www.google.com tcp
US 209.202.254.10:80 search.lycos.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
GB 142.250.179.228:80 www.google.com tcp
GB 142.250.179.228:80 www.google.com tcp
GB 142.250.179.228:80 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 142.250.179.228:80 www.google.com tcp
GB 142.250.179.228:80 www.google.com tcp
US 209.202.254.10:443 search.lycos.com tcp
US 209.202.254.10:80 search.lycos.com tcp
GB 142.250.179.228:80 www.google.com tcp
US 209.202.254.10:443 search.lycos.com tcp
GB 142.250.179.228:80 tcp
US 209.202.254.10:443 tcp

Files

memory/2000-0-0x0000000000500000-0x0000000000510200-memory.dmp

C:\Windows\services.exe

MD5 b0fe74719b1b647e2056641931907f4a
SHA1 e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256 bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA512 9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

memory/3268-5-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2000-13-0x0000000000500000-0x0000000000510200-memory.dmp

memory/3268-15-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3268-16-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3268-21-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3268-26-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3268-28-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3268-33-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3268-38-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3268-40-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3268-45-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3268-50-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2000-51-0x0000000000500000-0x0000000000510200-memory.dmp

memory/3268-52-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2000-56-0x0000000000500000-0x0000000000510200-memory.dmp

memory/3268-57-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 b67e1a4ecdc5411e51615d2dcac3042c
SHA1 c30a1cf4ebad0951fec89e316151bb3df2dbfa9f
SHA256 1b7ee40c7bd6936b8093e4085198fe9c0ed24e66b7d8af3f7c16e9113ade17d9
SHA512 0b15bf21614e3f64b83611d88ddb8cda25b9022daa2bcf3eb872e4e89f6da2903c10acd6556c170a172ffb4d73e2b5e553a9849b69ced89911482fb12c891340

C:\Users\Admin\AppData\Local\Temp\tmp866E.tmp

MD5 1d5e2c766e001c71a7f9e678a4ae2824
SHA1 8f36ac48d1d4a6271d755fcca4b5724cfdd39f45
SHA256 4705cd09c17e0ded674e766b22ff4ff446caa6b62e451551ecb2dd1ad3e4a73a
SHA512 81394711ee74774eb50d8233f0204bccea297759f8905d3eecd96aa2f69ee69ff6954f8bd57fc33c8e3f49f209f02aa9967fba8457372497cd6ab92db2dbd9bd

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\2VX66VOV\search[2].htm

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