Analysis
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max time kernel
139s -
max time network
160s -
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 09:01
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b1bb5e9210396ecbfd08ef467d98c428.dll
Resource
win7-20240221-en
4 signatures
150 seconds
General
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Target
b1bb5e9210396ecbfd08ef467d98c428.dll
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Size
188KB
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MD5
b1bb5e9210396ecbfd08ef467d98c428
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SHA1
b00af77b70162464fe624bc97ff8023f2dd4c0e6
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SHA256
888a4bb75406a0478869d794986ed082254a53cfbe772dea1051044859f8ba4d
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SHA512
28d5a75add5ac35da5dad2132076ff7c7aecfa1151391effe229b17da47b26be2351304834c12d5e30c2d6606c5f506d703115b5386e3f611afa262dedd66fd9
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SSDEEP
3072:/A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoXo:/zIqATVfQeV2FZalKq6jtGJWuTmd
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/4056-1-0x0000000074A00000-0x0000000074A30000-memory.dmp dridex_ldr behavioral2/memory/4056-0-0x0000000074A00000-0x0000000074A30000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 2352 4056 WerFault.exe 95 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3748 wrote to memory of 4056 3748 rundll32.exe 95 PID 3748 wrote to memory of 4056 3748 rundll32.exe 95 PID 3748 wrote to memory of 4056 3748 rundll32.exe 95
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1bb5e9210396ecbfd08ef467d98c428.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3748 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1bb5e9210396ecbfd08ef467d98c428.dll,#12⤵PID:4056
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4056 -s 6923⤵
- Program crash
PID:2352
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4056 -ip 40561⤵PID:1504
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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=4068 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:81⤵PID:4800