Analysis
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max time kernel
94s -
max time network
114s -
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 10:02
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b1d87acb845ef0293bc3a2ba55010cfa.dll
Resource
win7-20240220-en
3 signatures
150 seconds
General
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Target
b1d87acb845ef0293bc3a2ba55010cfa.dll
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Size
188KB
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MD5
b1d87acb845ef0293bc3a2ba55010cfa
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SHA1
5330cb3187b5ecdb279b2e470bc43bef8589907f
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SHA256
9fb11eee620499834bee46cebb8328d2efdbd48e933a66a9ba62a30cdb3613d9
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SHA512
75c09105fff672b81f14eb71939a52c3e2d85e932d06fa8c13dba892bd6b96e0d10c1b383e8732309194e28fd578c3675a7072f05febe57fe0549c179d2e7838
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SSDEEP
3072:lA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAouo:lzIqATVfQeV2FZalKq6jtGJWuTmd
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/532-0-0x0000000074980000-0x00000000749B0000-memory.dmp dridex_ldr behavioral2/memory/532-2-0x0000000074980000-0x00000000749B0000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 1576 532 WerFault.exe 88 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4936 wrote to memory of 532 4936 rundll32.exe 88 PID 4936 wrote to memory of 532 4936 rundll32.exe 88 PID 4936 wrote to memory of 532 4936 rundll32.exe 88
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1d87acb845ef0293bc3a2ba55010cfa.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4936 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1d87acb845ef0293bc3a2ba55010cfa.dll,#12⤵PID:532
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 532 -s 6883⤵
- Program crash
PID:1576
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 532 -ip 5321⤵PID:3184