Analysis
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max time kernel
140s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
12-01-2024 07:38
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
55de3b55003ab92e521d25b55335ced4.dll
Resource
win7-20231215-en
windows7-x64
4 signatures
150 seconds
General
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Target
55de3b55003ab92e521d25b55335ced4.dll
-
Size
175KB
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MD5
55de3b55003ab92e521d25b55335ced4
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SHA1
73a6f552cadc5fa9809ea6cd0c4e799aba74af66
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SHA256
0b32835f121d563857dc69b69ddfdd56dbd6ce93d7d6dce074891cf1c16e96e5
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SHA512
eed460ffcc0d57a9867dc43e872562c4cd5eb2ccd4eddc173b91241ee07c4575c8eb3c221868445a6072f3ba41b6cd1ece27847a40acc1c0c6dffb939a0db199
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SSDEEP
3072:7CAOe6ths2hyT0DzJfN3ZKU3YkmN5Sw4Q2kUl59Pn9ZbAAW0f3:7CAOem/DzJhok45X4HP3b
Malware Config
Extracted
Family
dridex
Botnet
22201
C2
46.55.222.10:443
104.248.178.90:4664
173.212.243.155:7002
rc4.plain
rc4.plain
Signatures
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resource yara_rule behavioral2/memory/3256-0-0x0000000074E60000-0x0000000074E90000-memory.dmp dridex_ldr behavioral2/memory/3256-3-0x0000000074E60000-0x0000000074E90000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 532 3256 WerFault.exe 16 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1344 wrote to memory of 3256 1344 rundll32.exe 16 PID 1344 wrote to memory of 3256 1344 rundll32.exe 16 PID 1344 wrote to memory of 3256 1344 rundll32.exe 16
Processes
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\55de3b55003ab92e521d25b55335ced4.dll,#11⤵PID:3256
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3256 -s 6122⤵
- Program crash
PID:532
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\55de3b55003ab92e521d25b55335ced4.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1344
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3256 -ip 32561⤵PID:440