Analysis
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max time kernel
115s -
max time network
144s -
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 03:39
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b120b488d9e15ba792f7e4b43c3cf767.dll
Resource
win7-20240221-en
4 signatures
150 seconds
General
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Target
b120b488d9e15ba792f7e4b43c3cf767.dll
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Size
188KB
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MD5
b120b488d9e15ba792f7e4b43c3cf767
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SHA1
4e780cd86890ac94492dd9bc95a82f5e77e611da
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SHA256
d8d318abb4daca458340003558695f4fe7a340393e14391e498ce3151d7e5c50
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SHA512
b684773ed03a9cbac733b325e476dfae76ca70e1ecfce3b7774531f21494d2db7283f9dbb8719990bb91c1f7a67af2ffe2429b30845507599730b6737accc895
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SSDEEP
3072:FA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoFo:FzIqATVfQeV2FZalKq6jtGJWuTmd
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/4580-0-0x00000000757E0000-0x0000000075810000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 2276 4580 WerFault.exe 92 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4836 wrote to memory of 4580 4836 rundll32.exe 92 PID 4836 wrote to memory of 4580 4836 rundll32.exe 92 PID 4836 wrote to memory of 4580 4836 rundll32.exe 92
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b120b488d9e15ba792f7e4b43c3cf767.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4836 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b120b488d9e15ba792f7e4b43c3cf767.dll,#12⤵PID:4580
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4580 -s 6923⤵
- Program crash
PID:2276
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4580 -ip 45801⤵PID:3836
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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=4000 --field-trial-handle=2272,i,11831746627654527593,10138103687018060346,262144 --variations-seed-version /prefetch:81⤵PID:1148