Analysis
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max time kernel
94s -
max time network
97s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
submitted
09-07-2024 01:53
Behavioral task
behavioral1
Sample
9645a12079edffd20560d4631160a6052ae5728d6f73b7366588166ad281c534.dll
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
9645a12079edffd20560d4631160a6052ae5728d6f73b7366588166ad281c534.dll
Resource
win10v2004-20240704-en
General
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Target
9645a12079edffd20560d4631160a6052ae5728d6f73b7366588166ad281c534.dll
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Size
60KB
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MD5
d46476f7f27be8ef618b7646a46f5e66
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SHA1
8219d1ead31d16f6380941827bf96a488453d5c0
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SHA256
9645a12079edffd20560d4631160a6052ae5728d6f73b7366588166ad281c534
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SHA512
8efba2b2cb757decc55c7b2aedb1a7b2645d95ddb22087f20d713456bfb6d09b90779370e7c8d8e567d22d8e96d7239f9b65152c6879cbdf9258cf02f690c7a0
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SSDEEP
768:f0Io0O99dyyus8GhrFuNtxv4c/HFGKndcHrqzwzv1NTNaTWsyih:caO9qyVNKv4c/HFGLlzvi
Malware Config
Extracted
latrodectus
1.0
https://winarkamaps.com/live/
https://stratimasesstr.com/live/
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group
Facial
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user_agent
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Tob 1.1)
Signatures
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Latrodectus family
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Latrodectus loader
Latrodectus is a loader written in C++.
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Detect larodectus Loader variant 2 2 IoCs
resource yara_rule behavioral2/files/0x00080000000234d9-3.dat family_latrodectus_v2 behavioral2/memory/2208-2-0x00007FFAA4010000-0x00007FFAA4024000-memory.dmp family_latrodectus_v2 -
Deletes itself 1 IoCs
pid Process 2208 rundll32.exe -
Loads dropped DLL 1 IoCs
pid Process 2504 rundll32.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2208 rundll32.exe 2208 rundll32.exe 2208 rundll32.exe 2208 rundll32.exe 2504 rundll32.exe 2504 rundll32.exe 2504 rundll32.exe 2504 rundll32.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2208 rundll32.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2208 wrote to memory of 2504 2208 rundll32.exe 82 PID 2208 wrote to memory of 2504 2208 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\9645a12079edffd20560d4631160a6052ae5728d6f73b7366588166ad281c534.dll,#11⤵
- Deletes itself
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2208 -
C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_d0568bb5.dll", #12⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:2504
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60KB
MD5d46476f7f27be8ef618b7646a46f5e66
SHA18219d1ead31d16f6380941827bf96a488453d5c0
SHA2569645a12079edffd20560d4631160a6052ae5728d6f73b7366588166ad281c534
SHA5128efba2b2cb757decc55c7b2aedb1a7b2645d95ddb22087f20d713456bfb6d09b90779370e7c8d8e567d22d8e96d7239f9b65152c6879cbdf9258cf02f690c7a0