Analysis
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max time kernel
93s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
submitted
18-09-2024 22:35
Behavioral task
behavioral1
Sample
mal_dump.dll
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
mal_dump.dll
Resource
win7-20240903-en
Behavioral task
behavioral3
Sample
mal_dump.dll
Resource
win10v2004-20240802-en
General
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Target
mal_dump.dll
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Size
72KB
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MD5
827bf3ffc5646444ee770de24008a5fc
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SHA1
e66f50f2c9792b8ecc9317f74d51c98380d7df36
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SHA256
ba9b2c8a37a1a1d45713d26578a8ab0abc5b439581faa3d770bcfe441c12b8f0
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SHA512
57b0e97e15833b10e11a521dedeec5dfaa3d5dee12d6455e82ba453e7b494a01ab8ad5cad7ca50f4c1e422c0e14868b75cadf588f32b556362c4f90008309a3a
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SSDEEP
1536:Izhn3OA/88fZVS18GpH50f88d0cTJ5Kga:Izhnt/vVS18zk8dDba
Malware Config
Extracted
latrodectus
https://isomicrotich.com/test/
https://rilomenifis.com/test/
Signatures
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Detects Latrodectus 2 IoCs
Detects Latrodectus v1.4.
resource yara_rule behavioral3/files/0x00080000000234a1-1.dat family_latrodectus_1_4 behavioral3/memory/1176-3-0x00007FFE94470000-0x00007FFE94486000-memory.dmp family_latrodectus_1_4 -
Latrodectus family
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Latrodectus loader
Latrodectus is a loader written in C++.
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Deletes itself 1 IoCs
pid Process 1176 rundll32.exe -
Loads dropped DLL 2 IoCs
pid Process 4492 rundll32.exe 3268 rundll32.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1176 rundll32.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1176 wrote to memory of 4492 1176 rundll32.exe 82 PID 1176 wrote to memory of 4492 1176 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\mal_dump.dll,#11⤵
- Deletes itself
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1176 -
C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_6c821f5.dll", #12⤵
- Loads dropped DLL
PID:4492
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C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_6c821f5.dll", #11⤵
- Loads dropped DLL
PID:3268
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
72KB
MD5827bf3ffc5646444ee770de24008a5fc
SHA1e66f50f2c9792b8ecc9317f74d51c98380d7df36
SHA256ba9b2c8a37a1a1d45713d26578a8ab0abc5b439581faa3d770bcfe441c12b8f0
SHA51257b0e97e15833b10e11a521dedeec5dfaa3d5dee12d6455e82ba453e7b494a01ab8ad5cad7ca50f4c1e422c0e14868b75cadf588f32b556362c4f90008309a3a