Malware Analysis Report

2024-12-07 02:56

Sample ID 241110-ffxknazjfv
Target bf606efe733de85c6fa0ea2b7f35138fdb1a87d7ed12d0ed6d44036b53f4f44dN
SHA256 bf606efe733de85c6fa0ea2b7f35138fdb1a87d7ed12d0ed6d44036b53f4f44d
Tags
mydoom discovery persistence upx 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

bf606efe733de85c6fa0ea2b7f35138fdb1a87d7ed12d0ed6d44036b53f4f44d

Threat Level: Known bad

The file bf606efe733de85c6fa0ea2b7f35138fdb1a87d7ed12d0ed6d44036b53f4f44dN was found to be: Known bad.

Malicious Activity Summary

mydoom discovery persistence upx worm

Mydoom family

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

2024-11-10 04:49

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 04:49

Reported

2024-11-10 04:51

Platform

win7-20240729-en

Max time kernel

120s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bf606efe733de85c6fa0ea2b7f35138fdb1a87d7ed12d0ed6d44036b53f4f44dN.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\bf606efe733de85c6fa0ea2b7f35138fdb1a87d7ed12d0ed6d44036b53f4f44dN.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\bf606efe733de85c6fa0ea2b7f35138fdb1a87d7ed12d0ed6d44036b53f4f44dN.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\bf606efe733de85c6fa0ea2b7f35138fdb1a87d7ed12d0ed6d44036b53f4f44dN.exe

"C:\Users\Admin\AppData\Local\Temp\bf606efe733de85c6fa0ea2b7f35138fdb1a87d7ed12d0ed6d44036b53f4f44dN.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 192.168.2.16:1034 tcp
N/A 10.202.221.84:1034 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 52.101.40.6:25 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

Files

memory/2748-0-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2748-4-0x0000000000220000-0x0000000000228000-memory.dmp

C:\Windows\services.exe

MD5 b0fe74719b1b647e2056641931907f4a
SHA1 e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256 bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA512 9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

memory/2344-10-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2748-16-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2748-17-0x0000000000220000-0x0000000000228000-memory.dmp

memory/2344-19-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2344-20-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2344-25-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2344-30-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2344-32-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2344-37-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2344-42-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2344-44-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 df5c1ea73ca7ecd4f32a9e25deca4ac7
SHA1 de72f1b13f6d8eeb614ba5db71701899a44319a5
SHA256 4c7cd5055bfbed29c3c69a8d9d3bf825e6c155e6d63421cc41b6a2b88531f95a
SHA512 31ba2d0a2f60fbab5bcbfca4e46560ef47f954434b1107195283a734084ad142b173f09e724ab5510ae46f01114bcd5b1a86554c986eccac2206f5cb89bc30f6

memory/2344-49-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2344-54-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2748-53-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2344-56-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 675f9f91ae34c6ff7a562ff02cac5900
SHA1 f33f2cc4092472c57a058db90f0088c1401db911
SHA256 6efbc333084dd65244e05be980d0d3be0ea893eae08611fab5358db342a0304a
SHA512 b3fdef71a41ea6f22afaec6bd2fff5a6af092067ca6b1114f2ebccd4f9dce9ad58f91def9432d9eb5040f761641627092acd8026e2898b4353badecb87e6869f

C:\Users\Admin\AppData\Local\Temp\tmp1C79.tmp

MD5 12c78b273ddde7e8bd56159760c6f6dd
SHA1 da69b051dc9deff0e8edc589e11e910159b22dab
SHA256 db112c41ee802fb025db92d331622715a3e243a1e4039788c17413ea657dc4ff
SHA512 cfb9b3767336204df265b1faec15503f896b6c57cf36383eef8dd91cbfad434b55650af9da06752f77b2118a2fdbfeb17c7da1ef195639d4af969b40f8d5213f

memory/2748-80-0x0000000000500000-0x0000000000510200-memory.dmp

memory/2344-81-0x0000000000400000-0x0000000000408000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 04:49

Reported

2024-11-10 04:51

Platform

win10v2004-20241007-en

Max time kernel

120s

Max time network

114s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bf606efe733de85c6fa0ea2b7f35138fdb1a87d7ed12d0ed6d44036b53f4f44dN.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

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\bf606efe733de85c6fa0ea2b7f35138fdb1a87d7ed12d0ed6d44036b53f4f44dN.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\bf606efe733de85c6fa0ea2b7f35138fdb1a87d7ed12d0ed6d44036b53f4f44dN.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\bf606efe733de85c6fa0ea2b7f35138fdb1a87d7ed12d0ed6d44036b53f4f44dN.exe

"C:\Users\Admin\AppData\Local\Temp\bf606efe733de85c6fa0ea2b7f35138fdb1a87d7ed12d0ed6d44036b53f4f44dN.exe"

C:\Windows\services.exe

"C:\Windows\services.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
N/A 10.156.133.4:1034 tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
N/A 192.168.2.17:1034 tcp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
N/A 10.152.243.207:1034 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
N/A 192.168.2.16:1034 tcp
N/A 10.202.221.84:1034 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
N/A 10.202.221.84:1034 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 142.250.150.27:25 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 199.89.1.120:25 tcp

Files

memory/348-0-0x0000000000500000-0x0000000000510200-memory.dmp

C:\Windows\services.exe

MD5 b0fe74719b1b647e2056641931907f4a
SHA1 e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256 bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA512 9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

memory/3972-5-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/348-13-0x0000000000500000-0x0000000000510200-memory.dmp

memory/3972-15-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3972-16-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3972-21-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3972-26-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3972-28-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3972-33-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3972-38-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3972-40-0x0000000000400000-0x0000000000408000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\rxkn9ioex.log

MD5 ab48a04e0018189a742996ebc5eb839e
SHA1 b59f68c6dba2372fa5242247b5a7fc7584105540
SHA256 c65d50a9f9bcdf48812e86ba73f3d0d5aed6e3cbe681d6569c1e8d9f7e3aa720
SHA512 01ebd04b4026b5ff0bcd391685faaa4c00305f17d74459afe43c725a3b6fbbe35d3f21949158f467955a9b7c829ba43efa57fe049a47702bbde17c56826d28b5

memory/3972-45-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3972-50-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3972-52-0x0000000000400000-0x0000000000408000-memory.dmp

memory/348-56-0x0000000000500000-0x0000000000510200-memory.dmp

memory/3972-57-0x0000000000400000-0x0000000000408000-memory.dmp

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

MD5 99095ecce97726ad48ee0db2c030bacf
SHA1 934d390397315bef94ed97db7a74d8839e11a5d5
SHA256 8235bf8efa0fc16dceec4cdb98d137aa688e1e13ffa89e898adc7b01739201ca
SHA512 7ef902966dfd223d9c3a89b391af875199e24c07d441f117d8f874d5705d23c847f4fbe745d11ad6bda9574bced2232e1a8063f520f28bce396c9d34b92240e7

C:\Users\Admin\AppData\Local\Temp\tmp65E7.tmp

MD5 b9f0dc5bebe68783a78d826aa68c0efa
SHA1 2b680e46f6b4424fba05e77aa21016946f748d92
SHA256 7428d514a0df786ff79af0441ad8a508a4ee8bb09d26e58608c6ec810893f8b8
SHA512 6697cea562d713964b1824acaa29d071227d066b1f11b55b11f29ecb4abd424c504417e14aed8674ab0383c2abc30877ecc670ee8ef6a5630b3b259e1c531cc4

C:\Users\Admin\AppData\Local\Temp\tmp65E8.tmp

MD5 5c4e019ae82f24c8401698337858d66e
SHA1 efd381b8817456e0d8da6cb4cb74f2feb4e09de0
SHA256 e9116cde57132d7db106d1a7a2509ea8797aaa5109460a8e9ae694be4819120c
SHA512 972a184cca182dbe8f2fd5ba662a4b180ed34b75d666cc8cb4744b2f1b0fea8091303ad44ab838a67e69b3ed230f935d213d7542141db0621c463d0551c06f48