Malware Analysis Report

2024-12-07 02:58

Sample ID 241110-n46r8swjbw
Target 40c0b8621b00c6743d12c54e302a50f4e7413ee6a6cb90b039f1a8f4a21e41bbN
SHA256 40c0b8621b00c6743d12c54e302a50f4e7413ee6a6cb90b039f1a8f4a21e41bb
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

40c0b8621b00c6743d12c54e302a50f4e7413ee6a6cb90b039f1a8f4a21e41bb

Threat Level: Known bad

The file 40c0b8621b00c6743d12c54e302a50f4e7413ee6a6cb90b039f1a8f4a21e41bbN was found to be: Known bad.

Malicious Activity Summary

upx mydoom discovery persistence worm

Detects MyDoom family

MyDoom

Mydoom family

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

2024-11-10 11:58

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 11:58

Reported

2024-11-10 12:00

Platform

win7-20240903-en

Max time kernel

120s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\40c0b8621b00c6743d12c54e302a50f4e7413ee6a6cb90b039f1a8f4a21e41bbN.exe"

Signatures

Detects MyDoom family

Description Indicator Process Target
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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\40c0b8621b00c6743d12c54e302a50f4e7413ee6a6cb90b039f1a8f4a21e41bbN.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\40c0b8621b00c6743d12c54e302a50f4e7413ee6a6cb90b039f1a8f4a21e41bbN.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\40c0b8621b00c6743d12c54e302a50f4e7413ee6a6cb90b039f1a8f4a21e41bbN.exe

"C:\Users\Admin\AppData\Local\Temp\40c0b8621b00c6743d12c54e302a50f4e7413ee6a6cb90b039f1a8f4a21e41bbN.exe"

C:\Windows\services.exe

"C:\Windows\services.exe"

Network

Country Destination Domain Proto
N/A 10.156.133.4:1034 tcp
N/A 192.168.2.17:1034 tcp
N/A 10.152.243.207:1034 tcp
N/A 192.168.2.9:1034 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 52.101.11.15:25 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
N/A 10.202.221.84:1034 tcp
US 8.8.8.8:53 mx.gzip.org udp
US 8.8.8.8:53 mail.gzip.org udp
US 85.187.148.2:25 mail.gzip.org tcp

Files

memory/2524-0-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2524-9-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2992-11-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2524-10-0x0000000000400000-0x0000000000408000-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/2524-17-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2524-18-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2524-19-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2992-20-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2992-22-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2992-27-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2992-32-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2992-34-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2524-38-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2992-39-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2992-44-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 7b0da3e50e5c6179fec6e758ac7a8b81
SHA1 0bbb6d06731b65a5197ef96b25d3a01b3a6163d0
SHA256 f9ddfedd8e1f179ae8abca1864c04ac70bd11a34609dc764cafea68f563b6668
SHA512 419ce33d578aba797cf4934cd5fb986941400a65888ccefb340e49cf66797dbf9757b0c304f5b51365ab4f12acfa44734d904efc3a3063d150ae63145117d4cc

C:\Users\Admin\AppData\Local\Temp\tmpCB7B.tmp

MD5 4e8c9e4155c88450a8ac978cd13da4ea
SHA1 2b99e6b5d274015b43c5068235eb4495d404edfc
SHA256 761ecf17003ce7b8354ffd2220c1c7db8296e1920629529845233c28a6de837e
SHA512 89c3ad5d11b4485827541412bea5e8e0f265760b54d4283b4c528f1b0ea4e78bb213bd01e0d1e5c7d96dcd9c91dba329dcd8ce1296398548c5ad8c4ce34217c7

memory/2524-59-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2992-60-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 886b8223cca8e9be3b74c03cd8f01d08
SHA1 c22c4e735695f56d568e91330c635edd2a66a100
SHA256 f1acc54c1e2027b482546b368372b9384aeaad87041f688338990abc9f9a1729
SHA512 59741fa0a1f9d1cc20377850c0074d4825de734edbba7521c3a6f52f9319e47aead8cc8d1c9e81a45bd73f7a76255c72bdbed0e50f6a8e46948e2e8c4eae6db9

memory/2992-64-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2524-63-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2992-69-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2524-68-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2992-71-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2992-76-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2524-75-0x0000000000500000-0x0000000000510200-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 11:58

Reported

2024-11-10 12:00

Platform

win10v2004-20241007-en

Max time kernel

120s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\40c0b8621b00c6743d12c54e302a50f4e7413ee6a6cb90b039f1a8f4a21e41bbN.exe"

Signatures

Detects MyDoom family

Description Indicator Process Target
N/A N/A N/A N/A
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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\40c0b8621b00c6743d12c54e302a50f4e7413ee6a6cb90b039f1a8f4a21e41bbN.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\40c0b8621b00c6743d12c54e302a50f4e7413ee6a6cb90b039f1a8f4a21e41bbN.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\40c0b8621b00c6743d12c54e302a50f4e7413ee6a6cb90b039f1a8f4a21e41bbN.exe

"C:\Users\Admin\AppData\Local\Temp\40c0b8621b00c6743d12c54e302a50f4e7413ee6a6cb90b039f1a8f4a21e41bbN.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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
N/A 192.168.2.17:1034 tcp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
N/A 10.152.243.207:1034 tcp
N/A 192.168.2.9:1034 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 m-ou.se udp
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 199.89.3.120:25 mail.mailroute.net tcp
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 8.8.8.8:53 mx.burtleburtle.net udp
US 171.64.64.26:25 smtp2.cs.stanford.edu tcp
US 65.254.254.51:25 mx.burtleburtle.net tcp
US 8.8.8.8:53 alumni.caltech.edu udp
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
IE 212.82.100.137:80 search.yahoo.com tcp
IE 212.82.100.137:80 search.yahoo.com tcp
US 8.8.8.8:53 www.google.com udp
IE 212.82.100.137:443 search.yahoo.com tcp
GB 142.250.180.4:80 www.google.com tcp
US 8.8.8.8:53 aspmx.l.google.com udp
GB 142.250.180.4:80 www.google.com tcp
NL 74.125.128.27:25 aspmx.l.google.com 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 209.202.254.10:443 search.lycos.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 10.254.202.209.in-addr.arpa udp
US 209.202.254.10:443 search.lycos.com tcp
IE 212.82.100.137:443 search.yahoo.com tcp
GB 142.250.180.4:80 www.google.com tcp
US 8.8.8.8:53 r11.o.lencr.org udp
GB 2.23.210.75:80 r11.o.lencr.org tcp
IE 212.82.100.137:80 search.yahoo.com tcp
GB 142.250.180.4:80 www.google.com tcp
IE 212.82.100.137:443 search.yahoo.com tcp
US 171.64.64.26:25 smtp2.cs.stanford.edu tcp
IE 212.82.100.137:80 search.yahoo.com tcp
IE 212.82.100.137:443 search.yahoo.com tcp
US 8.8.8.8:53 alumni-caltech-edu.mail.protection.outlook.com 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 52.101.8.34:25 alumni-caltech-edu.mail.protection.outlook.com tcp
N/A 10.202.221.84:1034 tcp
IE 212.82.100.137:443 search.yahoo.com tcp
US 209.202.254.10:80 search.lycos.com tcp
IE 212.82.100.137:443 search.yahoo.com tcp
US 209.202.254.10:443 search.lycos.com tcp
US 209.202.254.10:443 search.lycos.com tcp
US 209.202.254.10:443 search.lycos.com tcp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 acm.org udp
US 8.8.8.8:53 smtp1.cs.stanford.edu udp
US 171.64.64.25:25 smtp1.cs.stanford.edu tcp
US 171.64.64.25:25 smtp1.cs.stanford.edu tcp
US 8.8.8.8:53 burtleburtle.net udp
US 85.187.148.2:25 gzip.org tcp
US 8.8.8.8:53 aspmx4.googlemail.com udp
TW 142.250.157.27:25 aspmx4.googlemail.com tcp
US 104.17.78.30:25 acm.org tcp
US 65.254.227.224:25 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 204.13.239.180:25 alumni.caltech.edu tcp
N/A 10.202.221.84:1034 tcp

Files

memory/2892-0-0x0000000000500000-0x0000000000510200-memory.dmp

C:\Windows\services.exe

MD5 b0fe74719b1b647e2056641931907f4a
SHA1 e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256 bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA512 9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

memory/2472-5-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2892-13-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2472-15-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2472-16-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2472-21-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2472-26-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2472-28-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2472-33-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2472-38-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2892-39-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2472-40-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 25ea408f659cd605f1c43b3a4da18712
SHA1 ccef692b3558155a814548bb765e4eaed4e276eb
SHA256 91b8c1e258db4e5c65c100f13a43782373ec8c8ff3b78966184df84602a59c31
SHA512 1d5716af1d579796ed1bd360d4eed1dcc003ed536736ab964c6adc335610e7f5072de595c822cab7ada671d059972cdb41563ab867c23aa01e00083a96c84562

memory/2892-44-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2472-45-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 bafd7824d7866271ec0264d45e03ed14
SHA1 8df54578c4643d12a9d36eb44d118e30c418f3d6
SHA256 91b4d4afc0403560da6bc8a6b7599fdf58852fbfef3dff2d8af6bdb1c377bf08
SHA512 fb067542946b3c4aa5a4441e9382397b6c172b719793781ed9c35c952d21ffedd574c211db0f2dc2250aeee9a5a19dc2652865bc53792b649d3c00252f29db25

C:\Users\Admin\AppData\Local\Temp\tmpBDB0.tmp

MD5 4cef61e1d7b650848e1edf14937a5741
SHA1 08a6dfe463acaeaf387d3fe74305a1aaf894ee0e
SHA256 88350c07783c3157cce2b3d93c7e2be8b76b6878557cf8cb32b4d9ea7e3a8cc0
SHA512 1a652cdf684ccb97ef31beb9b95863c8bd8bb742c213f94714cffbe383c32dcf1d735e59f1150aa8d0761ccd92af5de8878174c7fbc81590a4a7fa0af10c127d

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\3DWZNJ32\search[1].htm

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

memory/2892-130-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2472-131-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2892-132-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2472-133-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2472-138-0x0000000000400000-0x0000000000408000-memory.dmp