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Resubmissions
05/04/2024, 15:12
240405-slem9afg98 1005/04/2024, 15:09
240405-sjgptsfg52 328/11/2023, 12:01
231128-n65b7ahg51 8Analysis
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max time kernel
136s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
submitted
05/04/2024, 15:12
Static task
static1
Behavioral task
behavioral1
Sample
dat.dll
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
dat.dll
Resource
win10v2004-20240226-en
General
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Target
dat.dll
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Size
1.5MB
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MD5
1cab91c58f43f65f1b0ce3263a474984
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SHA1
81d2e33b9b181983edce24b90d961eb4267a8e87
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SHA256
97e093f2e0bf6dec8392618722dd6b4411088fe752bedece910d11fffe0288a2
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SHA512
657222b4ce2b3385938f1c7e144641e47af63d87640b8843d21b1c72d4684a81960df52f4d72745ba6b9854f757f70751b0f23b08d7c4990274be964f2716330
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SSDEEP
12288:13ZJHttTLoh9ZyM67XI25/XAeWXiULji9G7Cw:133HTLoh9ZyMY425/Q3iUL+9M
Malware Config
Extracted
latrodectus
1.0
https://peermangoz.me/live/
https://aprettopizza.world/live/
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group
Olimp
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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 1 3 IoCs
resource yara_rule behavioral2/memory/32-2-0x000001915ABF0000-0x000001915AC03000-memory.dmp family_latrodectus_v1 behavioral2/memory/2348-13-0x0000025932840000-0x0000025932853000-memory.dmp family_latrodectus_v1 behavioral2/memory/2348-18-0x0000025932840000-0x0000025932853000-memory.dmp family_latrodectus_v1 -
Deletes itself 1 IoCs
pid Process 32 rundll32.exe -
Loads dropped DLL 1 IoCs
pid Process 2348 rundll32.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 32 rundll32.exe 32 rundll32.exe 32 rundll32.exe 32 rundll32.exe 2348 rundll32.exe 2348 rundll32.exe 2348 rundll32.exe 2348 rundll32.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 32 rundll32.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 32 wrote to memory of 2348 32 rundll32.exe 96 PID 32 wrote to memory of 2348 32 rundll32.exe 96 -
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\dat.dll,nail1⤵
- Deletes itself
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:32 -
C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_b2fa2eb7.dll", nail2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:2348
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3180 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:81⤵PID:2592
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.5MB
MD51cab91c58f43f65f1b0ce3263a474984
SHA181d2e33b9b181983edce24b90d961eb4267a8e87
SHA25697e093f2e0bf6dec8392618722dd6b4411088fe752bedece910d11fffe0288a2
SHA512657222b4ce2b3385938f1c7e144641e47af63d87640b8843d21b1c72d4684a81960df52f4d72745ba6b9854f757f70751b0f23b08d7c4990274be964f2716330