Analysis
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max time kernel
119s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
04-03-2024 08:19
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b1a5be1fe5e0c72d9b24056cbda7630a.dll
Resource
win7-20240221-en
3 signatures
150 seconds
General
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Target
b1a5be1fe5e0c72d9b24056cbda7630a.dll
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Size
188KB
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MD5
b1a5be1fe5e0c72d9b24056cbda7630a
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SHA1
fe75703556b6721cbb4fd4ae590a77a7d894b8f7
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SHA256
013733351955b40b9719360d3a732f862adefc2da6c23df4edf50ca2d1ec2cb2
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SHA512
f8132acc64d1a0d9a71f37eda4bdaf6a330e131daa2bafca672c91f01fbe4ee70087cd9cca595241c30b19f42e8de0e19657fa3b552003aeeceedf37ab9fdcf2
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SSDEEP
3072:DA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoso:DzIqATVfQeV2FZalKq6jtGJWuTmd
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 behavioral1/memory/2900-0-0x0000000074930000-0x0000000074960000-memory.dmp dridex_ldr behavioral1/memory/2900-2-0x0000000074930000-0x0000000074960000-memory.dmp dridex_ldr -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2872 wrote to memory of 2900 2872 rundll32.exe 28 PID 2872 wrote to memory of 2900 2872 rundll32.exe 28 PID 2872 wrote to memory of 2900 2872 rundll32.exe 28 PID 2872 wrote to memory of 2900 2872 rundll32.exe 28 PID 2872 wrote to memory of 2900 2872 rundll32.exe 28 PID 2872 wrote to memory of 2900 2872 rundll32.exe 28 PID 2872 wrote to memory of 2900 2872 rundll32.exe 28
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1a5be1fe5e0c72d9b24056cbda7630a.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2872 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1a5be1fe5e0c72d9b24056cbda7630a.dll,#12⤵PID:2900
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