Analysis
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max time kernel
142s -
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
04-03-2024 17:06
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b2aa5621851f22ad540eaebba5953bb4.dll
Resource
win7-20240221-en
4 signatures
150 seconds
General
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Target
b2aa5621851f22ad540eaebba5953bb4.dll
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Size
188KB
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MD5
b2aa5621851f22ad540eaebba5953bb4
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SHA1
9f272c0661e19ee99b37ecd776fccc6bf5f009f8
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SHA256
1e1eebd375608fc12784c9fab68130e01a45225fd973e8ad689025e60a08af58
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SHA512
9b176347bb6deea86c1ed98966ce5f7b42f5ff7459f20c2a542c17354539c423049647f1a90a10468821bd20a062327cd7e9f42843f264f8359ca6e9d1436cf0
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SSDEEP
3072:IA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAono:IzIqATVfQeV2FZalKq6jtGJWuTmd
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/1028-0-0x0000000074D10000-0x0000000074D40000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 4968 1028 WerFault.exe 93 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1284 wrote to memory of 1028 1284 rundll32.exe 93 PID 1284 wrote to memory of 1028 1284 rundll32.exe 93 PID 1284 wrote to memory of 1028 1284 rundll32.exe 93
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b2aa5621851f22ad540eaebba5953bb4.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1284 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b2aa5621851f22ad540eaebba5953bb4.dll,#12⤵PID:1028
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1028 -s 6923⤵
- Program crash
PID:4968
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1028 -ip 10281⤵PID:1432
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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=4092 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:81⤵PID:3332