Analysis
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max time kernel
151s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
20-03-2024 14:03
Static task
static1
Behavioral task
behavioral1
Sample
003968f5.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
003968f5.exe
Resource
win10v2004-20240226-en
General
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Target
003968f5.exe
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Size
156KB
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MD5
3a1f9e592937513387c9c1880f795757
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SHA1
421b648186fb7be8e35c752f0aebf49aa0b702cb
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SHA256
90922294e0c48386680d8bd3aa24f571746f2413c401c8b5e40a10e5dac859f2
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SHA512
76a7693e5aaaabc25b1a9b036400617feeed5942cdae7fba9a8f5cccec22ab53140bd25f5f8e1a943a77dd49a02a49d03e4f3a62ae01e2d69b4be94185be5866
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SSDEEP
3072:Z612XVqqVIAlGDInCOx7EVgeLCStSrsfp4ZdWh9NRI+JcMb8tyvl9RXECagIQCs7:I1MTZNiLCSSrc4ZdWh9tqit9WgFTDN1h
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
Processes:
Explorer.EXEpid process 3364 Explorer.EXE -
Registers COM server for autorun 1 TTPs 3 IoCs
Processes:
003968f5.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\{34278cf4-52e0-08fc-d431-b618125daabb}\\n." 003968f5.exe Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32 003968f5.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32\ThreadingModel = "Both" 003968f5.exe -
Unexpected DNS network traffic destination 5 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
Processes:
description ioc Destination IP 66.85.130.234 Destination IP 66.85.130.234 Destination IP 66.85.130.234 Destination IP 66.85.130.234 Destination IP 66.85.130.234 -
Modifies registry class 5 IoCs
Processes:
003968f5.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\clsid 003968f5.exe Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1} 003968f5.exe Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32 003968f5.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32\ThreadingModel = "Both" 003968f5.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\{34278cf4-52e0-08fc-d431-b618125daabb}\\n." 003968f5.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
003968f5.exepid process 3732 003968f5.exe 3732 003968f5.exe 3732 003968f5.exe 3732 003968f5.exe 3732 003968f5.exe 3732 003968f5.exe 3732 003968f5.exe 3732 003968f5.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
003968f5.exedescription pid process Token: SeDebugPrivilege 3732 003968f5.exe Token: SeDebugPrivilege 3732 003968f5.exe Token: SeDebugPrivilege 3732 003968f5.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3364 Explorer.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
003968f5.exedescription pid process target process PID 3732 wrote to memory of 3364 3732 003968f5.exe Explorer.EXE PID 3732 wrote to memory of 3364 3732 003968f5.exe Explorer.EXE
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
PID:3364 -
C:\Users\Admin\AppData\Local\Temp\003968f5.exe"C:\Users\Admin\AppData\Local\Temp\003968f5.exe"2⤵
- Registers COM server for autorun
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3732
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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=4244 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:81⤵PID:3372
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\{34278cf4-52e0-08fc-d431-b618125daabb}\nFilesize
26KB
MD5fab7de9eafea67f88e43003698024c86
SHA124a4ef27c29cdeabed5e0af867e3f568da40d0c9
SHA256073b1f99871dc56a33dcd55af71d53482816bfc9b3ce5c78ee53bed31b428384
SHA512b4a57a8cc564760526d4cce26ce24e80657c064df373c307bb90cf053d01d04bdfe1def41fedfeb7715e53d8481a98c94bc6f3bf33815b4571d898aa08553fcd
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memory/3364-3-0x00000000009D0000-0x00000000009D1000-memory.dmpFilesize
4KB
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memory/3364-7-0x00000000009D0000-0x00000000009D1000-memory.dmpFilesize
4KB
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memory/3732-1-0x0000000000400000-0x0000000000432000-memory.dmpFilesize
200KB
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memory/3732-2-0x0000000000640000-0x0000000000740000-memory.dmpFilesize
1024KB
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memory/3732-9-0x0000000000400000-0x0000000000432000-memory.dmpFilesize
200KB