Analysis
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max time kernel
115s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
04-03-2024 06:37
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b1755081724f6e35bd47b8a290de75fe.dll
Resource
win7-20240221-en
4 signatures
150 seconds
General
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Target
b1755081724f6e35bd47b8a290de75fe.dll
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Size
188KB
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MD5
b1755081724f6e35bd47b8a290de75fe
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SHA1
24880e229719f7e9dfddcc4579e8b87550d3cf51
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SHA256
f00edb8e5872b2f90108c119329e296f5c5bd5c22a3777ee5a332a97b9f76b2a
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SHA512
5251c4ffe383e70626be086a4f77f36b3e1cb54de51a2ef77fa20aa5bf16cd0bf64bea891622a3862e36b86e447108587020a8c66ca04ef84ff87b7c18ad54da
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SSDEEP
3072:NA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAojo:NzIqATVfQeV2FZalKq6jtGJWuTmd
Malware Config
Extracted
Family
dridex
Botnet
22201
C2
103.82.248.59:443
54.39.98.141:6602
103.109.247.8:10443
rc4.plain
rc4.plain
Signatures
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resource yara_rule behavioral2/memory/3040-0-0x0000000074AC0000-0x0000000074AF0000-memory.dmp dridex_ldr behavioral2/memory/3040-2-0x0000000074AC0000-0x0000000074AF0000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 1932 3040 WerFault.exe 95 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3888 wrote to memory of 3040 3888 rundll32.exe 95 PID 3888 wrote to memory of 3040 3888 rundll32.exe 95 PID 3888 wrote to memory of 3040 3888 rundll32.exe 95
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1755081724f6e35bd47b8a290de75fe.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3888 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1755081724f6e35bd47b8a290de75fe.dll,#12⤵PID:3040
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 6883⤵
- Program crash
PID:1932
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3040 -ip 30401⤵PID:1200
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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=4116 --field-trial-handle=3112,i,1786399861560734457,5606877702857066305,262144 --variations-seed-version /prefetch:81⤵PID:3456