Analysis
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max time kernel
142s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
04-03-2024 10:14
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b1df6bb731ecc9f3fb20857b2cfc559f.dll
Resource
win7-20240221-en
4 signatures
150 seconds
General
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Target
b1df6bb731ecc9f3fb20857b2cfc559f.dll
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Size
188KB
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MD5
b1df6bb731ecc9f3fb20857b2cfc559f
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SHA1
48044789bef0bb6ebddc33a8c4b01fc157e157b2
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SHA256
006e0f57154580997395e919047510a08086edad9ea6759b23dde3e75b6d50b1
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SHA512
83ef43a1d6bbfcbd26d9afd8630b96f883a109894bf834aeda31fba522acfe48fa18c7e1bf4171908341b64be68217feb33ecee992f851b01e5d072d09bdf5d8
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SSDEEP
3072:TA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo6o:TzIqATVfQeV2FZalKq6jtGJWuTmd
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/2024-1-0x0000000074BF0000-0x0000000074C20000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 1388 2024 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3068 wrote to memory of 2024 3068 rundll32.exe 28 PID 3068 wrote to memory of 2024 3068 rundll32.exe 28 PID 3068 wrote to memory of 2024 3068 rundll32.exe 28 PID 3068 wrote to memory of 2024 3068 rundll32.exe 28 PID 3068 wrote to memory of 2024 3068 rundll32.exe 28 PID 3068 wrote to memory of 2024 3068 rundll32.exe 28 PID 3068 wrote to memory of 2024 3068 rundll32.exe 28 PID 2024 wrote to memory of 1388 2024 rundll32.exe 29 PID 2024 wrote to memory of 1388 2024 rundll32.exe 29 PID 2024 wrote to memory of 1388 2024 rundll32.exe 29 PID 2024 wrote to memory of 1388 2024 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1df6bb731ecc9f3fb20857b2cfc559f.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3068 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1df6bb731ecc9f3fb20857b2cfc559f.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 3083⤵
- Program crash
PID:1388
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