Analysis
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max time kernel
138s -
max time network
113s -
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 20:17
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b3066fd0b804b7ddce1609da2294e8cd.dll
Resource
win7-20240221-en
4 signatures
150 seconds
General
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Target
b3066fd0b804b7ddce1609da2294e8cd.dll
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Size
188KB
-
MD5
b3066fd0b804b7ddce1609da2294e8cd
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SHA1
11c76f27f65b14fcc14c2d31a00b5cb8bddc3a40
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SHA256
d503c502518a419d103221cf7cd8387424ef00bbe47c533a3521de555f40cfb3
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SHA512
3c927b38d0536faac56b0978d85501f51726fc9498f73eefb8ed24ec7f7e5c1f364a85273cb4946715b06ebd1ff6da381b7d0869ac2f185eabc55cc71c300e71
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SSDEEP
3072:iA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo5o:izIqATVfQeV2FZalKq6jtGJWuTmd
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
-
resource yara_rule behavioral2/memory/1480-0-0x0000000075550000-0x0000000075580000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 2868 1480 WerFault.exe 90 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 956 wrote to memory of 1480 956 rundll32.exe 90 PID 956 wrote to memory of 1480 956 rundll32.exe 90 PID 956 wrote to memory of 1480 956 rundll32.exe 90
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b3066fd0b804b7ddce1609da2294e8cd.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:956 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b3066fd0b804b7ddce1609da2294e8cd.dll,#12⤵PID:1480
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1480 -s 6643⤵
- Program crash
PID:2868
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1480 -ip 14801⤵PID:2576