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Analysis
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max time kernel
439s -
max time network
440s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-ja -
resource tags
arch:x64arch:x86image:win10v2004-20241007-jalocale:ja-jpos:windows10-2004-x64systemwindows -
submitted
01/02/2025, 20:57
Static task
static1
Behavioral task
behavioral1
Sample
MaxxSpeechAPO.dll
Resource
win10v2004-20241007-ja
General
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Target
MaxxSpeechAPO.dll
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Size
1.3MB
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MD5
5f7242ca1531d47595cacd4aed5bbc57
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SHA1
62d7345be6fda8ab94b8629c68926e431debe555
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SHA256
d45c0a2ded8679188f899e96e481b592a22303a1ee996e480c8893932de7f28d
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SHA512
35bcdfdb1be82ab7bfa5784ad3be639d8036515725e01db58396d20c1ad304919461baf83825e404f2d6dd5ad5b742333a95fe449c938ff9d6036ec6305223c4
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SSDEEP
24576:knCumpWmiJEtMMPk/bqfDYhgI2qpmiQYbvRdsQGLAT1Lv1Tqhy/NQIFDh:knCuAk/bjgITpm7YbXsQdT1Dl
Malware Config
Extracted
latrodectus
1.4
https://vivaforevew.com/test/
https://wersogkiwgow.com/test/
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group
Omega
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user_agent
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Tob 1.1)
Extracted
latrodectus
Signatures
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Latrodectus family
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Latrodectus loader
Latrodectus is a loader written in C++.
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Blocklisted process makes network request 2 IoCs
flow pid Process 49 1472 rundll32.exe 51 1472 rundll32.exe -
Deletes itself 1 IoCs
pid Process 5096 rundll32.exe -
Loads dropped DLL 2 IoCs
pid Process 1472 rundll32.exe 5092 rundll32.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 5096 rundll32.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 5096 wrote to memory of 1472 5096 rundll32.exe 82 PID 5096 wrote to memory of 1472 5096 rundll32.exe 82 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\MaxxSpeechAPO.dll,USB_PORT1⤵
- Deletes itself
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:5096 -
C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_a16a60c9.dll", USB_PORT2⤵
- Blocklisted process makes network request
- Loads dropped DLL
PID:1472
-
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C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_a16a60c9.dll", USB_PORT1⤵
- Loads dropped DLL
PID:5092
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.3MB
MD55f7242ca1531d47595cacd4aed5bbc57
SHA162d7345be6fda8ab94b8629c68926e431debe555
SHA256d45c0a2ded8679188f899e96e481b592a22303a1ee996e480c8893932de7f28d
SHA51235bcdfdb1be82ab7bfa5784ad3be639d8036515725e01db58396d20c1ad304919461baf83825e404f2d6dd5ad5b742333a95fe449c938ff9d6036ec6305223c4