Malware Analysis Report

2025-03-15 00:47

Sample ID 241022-x1y3nazfma
Target 7d39b42134b572e47baeefcb14141b4f3239d38375294a4577ba5dc175dcff27N
SHA256 7d39b42134b572e47baeefcb14141b4f3239d38375294a4577ba5dc175dcff27
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

7d39b42134b572e47baeefcb14141b4f3239d38375294a4577ba5dc175dcff27

Threat Level: Known bad

The file 7d39b42134b572e47baeefcb14141b4f3239d38375294a4577ba5dc175dcff27N was found to be: Known bad.

Malicious Activity Summary

upx mydoom discovery persistence worm

MyDoom

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

2024-10-22 19:19

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 19:19

Reported

2024-10-22 19:21

Platform

win7-20240903-en

Max time kernel

120s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7d39b42134b572e47baeefcb14141b4f3239d38375294a4577ba5dc175dcff27N.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\7d39b42134b572e47baeefcb14141b4f3239d38375294a4577ba5dc175dcff27N.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\7d39b42134b572e47baeefcb14141b4f3239d38375294a4577ba5dc175dcff27N.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\7d39b42134b572e47baeefcb14141b4f3239d38375294a4577ba5dc175dcff27N.exe

"C:\Users\Admin\AppData\Local\Temp\7d39b42134b572e47baeefcb14141b4f3239d38375294a4577ba5dc175dcff27N.exe"

C:\Windows\services.exe

"C:\Windows\services.exe"

Network

Country Destination Domain Proto
N/A 10.0.77.20:1034 tcp
N/A 172.16.1.116:1034 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 52.101.9.21:25 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 10.11.161.112:1034 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
N/A 10.135.189.123:1034 tcp
US 8.8.8.8:53 mx.alumni.caltech.edu udp
US 8.8.8.8:53 mx.gzip.org udp
US 8.8.8.8:53 mail.alumni.caltech.edu udp
US 8.8.8.8:53 smtp.alumni.caltech.edu udp
N/A 10.127.0.3:1034 tcp
US 8.8.8.8:53 mail.gzip.org udp
US 85.187.148.2:25 mail.gzip.org tcp

Files

memory/2256-0-0x0000000000500000-0x0000000000510200-memory.dmp

C:\Windows\services.exe

MD5 b0fe74719b1b647e2056641931907f4a
SHA1 e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256 bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA512 9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

memory/2088-11-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2256-10-0x0000000000220000-0x0000000000228000-memory.dmp

memory/2256-9-0x0000000000220000-0x0000000000228000-memory.dmp

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

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2256-17-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2256-18-0x0000000000220000-0x0000000000228000-memory.dmp

memory/2256-19-0x0000000000220000-0x0000000000228000-memory.dmp

memory/2088-20-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2088-22-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2088-27-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2088-32-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2088-34-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2256-38-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2088-39-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2088-44-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2256-43-0x0000000000500000-0x0000000000510200-memory.dmp

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

MD5 dc06ab0521b53c52c2f42e5d8324b0b4
SHA1 352ea4efaa5a81f63c099c2de9576c39ff1d7299
SHA256 9aeb10ef1334c9e5d7f3a2de485791db054aa267b680e1ee7337567c25ed14fe
SHA512 32aa31c97ea7e00a8588508404a370376069a5096bc95d1cd1108c9ebf14fb49f9cf94dbe54d5ab535ca3f6f419fbf5f79dc8c5a18251a902865e3c6b3f41a32

C:\Users\Admin\AppData\Local\Temp\tmp68C1.tmp

MD5 2e1cca922ef7d23f5df578cc3cfa503d
SHA1 8508a181ad9d6a4324a081b869053f888af12f99
SHA256 d8267b2c42e88759f1797f666960d5de9fb09daaffe3d0e1085a965b52eb4b51
SHA512 6c6654215c7ae54a0286841575aac4a067d89b4ba3e8a66a14af8291ed7b3844634b5847a8a69e5b5f62f000271810024fde22b3773702e1dae0516a1e62610f

memory/2256-59-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2088-60-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2088-64-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2256-63-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2088-69-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2256-68-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2088-71-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2256-70-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2088-76-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2256-75-0x0000000000500000-0x0000000000510200-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-22 19:19

Reported

2024-10-22 19:21

Platform

win10v2004-20241007-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7d39b42134b572e47baeefcb14141b4f3239d38375294a4577ba5dc175dcff27N.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\7d39b42134b572e47baeefcb14141b4f3239d38375294a4577ba5dc175dcff27N.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\7d39b42134b572e47baeefcb14141b4f3239d38375294a4577ba5dc175dcff27N.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\7d39b42134b572e47baeefcb14141b4f3239d38375294a4577ba5dc175dcff27N.exe

"C:\Users\Admin\AppData\Local\Temp\7d39b42134b572e47baeefcb14141b4f3239d38375294a4577ba5dc175dcff27N.exe"

C:\Windows\services.exe

"C:\Windows\services.exe"

Network

Country Destination Domain Proto
N/A 10.0.77.20:1034 tcp
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 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
N/A 172.16.1.116:1034 tcp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
N/A 10.0.77.20:1034 tcp
US 8.8.8.8:53 210.108.222.173.in-addr.arpa udp
N/A 10.11.161.112:1034 tcp
N/A 10.135.189.123:1034 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
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 26.35.223.20.in-addr.arpa udp
N/A 10.127.0.3:1034 tcp
US 8.8.8.8:53 m-ou.se udp
US 8.8.8.8:53 alt1.aspmx.l.google.com udp
NL 142.250.153.27:25 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 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 cs.stanford.edu udp
US 171.64.64.64:25 cs.stanford.edu tcp
US 8.8.8.8:53 burtleburtle.net udp
US 8.8.8.8:53 mx.burtleburtle.net udp
US 65.254.254.51:25 mx.burtleburtle.net tcp
US 171.64.64.64:25 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 52.101.41.22:25 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.lycos.com udp
US 209.202.254.10:80 search.lycos.com tcp
US 209.202.254.10:80 search.lycos.com tcp
US 8.8.8.8:53 www.google.com udp
GB 142.250.200.4:80 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 142.250.200.4:80 www.google.com tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 212.82.100.137:80 tcp
N/A 184.26.45.61:80 tcp

Files

memory/1296-0-0x0000000000500000-0x0000000000510200-memory.dmp

C:\Windows\services.exe

MD5 b0fe74719b1b647e2056641931907f4a
SHA1 e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256 bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA512 9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

memory/2860-7-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/1296-13-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2860-15-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2860-16-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2860-21-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2860-26-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2860-28-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2860-33-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2860-38-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2860-40-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2860-45-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2860-50-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2860-52-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2860-57-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1296-56-0x0000000000500000-0x0000000000510200-memory.dmp

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

MD5 67cc86df39e0c8400f550dd08bc64dce
SHA1 218499867d0717dd30e65b4d8afe7e77b5666c49
SHA256 f2c6dd14216f6f941e35413ef14ecab681f6e9796186b354d504d0d3e97a0d92
SHA512 988c97e791ff2873e92653f59a00bdecea02256b23ed85145def1d0df618c26b9ec64e3cc619d31861de98279b8adb7398eaab72bed38d0113f58b40329b33cd

C:\Users\Admin\AppData\Local\Temp\tmp6DE5.tmp

MD5 256d64c0fc96a143270f19f5b66ce4e2
SHA1 d8ff0ec62ceaba39f366c5fa60cf31d411de23c2
SHA256 88009bfdbd60c42678dc8e4387700880e464c1222dc45d81d25c22fb53374d49
SHA512 eba3e78d296806b892269f9f3d1f7a438fda88693e36fa4b54ca3931359b004d2648a121b0f3c9e30c989a8ed42bf5240519ac690c48aaff9e7b38764bd64f92

memory/1296-114-0x0000000000500000-0x0000000000510200-memory.dmp