Analysis
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max time kernel
141s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
04-03-2024 23:01
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b35164c22aa68fe0c30ef09532f315e8.dll
Resource
win7-20240221-en
4 signatures
150 seconds
General
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Target
b35164c22aa68fe0c30ef09532f315e8.dll
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Size
188KB
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MD5
b35164c22aa68fe0c30ef09532f315e8
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SHA1
3fde48fe078921fb2a845c0c8fd7e99b4c848949
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SHA256
62b68f5d92392ecfe5ab2a10cbe13dd406fa728840e3aab76b7602b71d28e538
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SHA512
97861d1b0d93b0801dae0e41998befc17da9d436415809aeb29c8ee47db2e0f231eba2d14d29af3b4da60f413b05c4c5210d6137e5afd6685f47fbce4e522ad7
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SSDEEP
3072:8A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAooo:8zIqATVfQeV2FZalKq6jtGJWuTmd
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/2100-0-0x0000000074BD0000-0x0000000074C00000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 2892 2100 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2872 wrote to memory of 2100 2872 rundll32.exe 28 PID 2872 wrote to memory of 2100 2872 rundll32.exe 28 PID 2872 wrote to memory of 2100 2872 rundll32.exe 28 PID 2872 wrote to memory of 2100 2872 rundll32.exe 28 PID 2872 wrote to memory of 2100 2872 rundll32.exe 28 PID 2872 wrote to memory of 2100 2872 rundll32.exe 28 PID 2872 wrote to memory of 2100 2872 rundll32.exe 28 PID 2100 wrote to memory of 2892 2100 rundll32.exe 29 PID 2100 wrote to memory of 2892 2100 rundll32.exe 29 PID 2100 wrote to memory of 2892 2100 rundll32.exe 29 PID 2100 wrote to memory of 2892 2100 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b35164c22aa68fe0c30ef09532f315e8.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2872 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b35164c22aa68fe0c30ef09532f315e8.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2100 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 3003⤵
- Program crash
PID:2892
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