Analysis
-
max time kernel
143s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
11-06-2022 17:09
Static task
static1
Behavioral task
behavioral1
Sample
VYVNqLNFQDkkklgbtq.dll
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
General
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Target
VYVNqLNFQDkkklgbtq.dll
-
Size
512KB
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MD5
2244cac9d905d4fc819116ba4289da7c
-
SHA1
e28f4b17fd82f9e0e0f92699820e43ff38630403
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SHA256
3739d6dfdd6a52951b2a44b2b1c5d0f9486c2df83b789d7e7ab76264d2d5dcde
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SHA512
e2cdac46b06a926fad78304fa6c43e940e649b257661eeaeaae53d25a7a5d8250e701a6a9e9cc0f609546da58fca5e81b81d9cb59fbe6690eded4a8f0bee95c4
Malware Config
Extracted
Family
dridex
Botnet
22203
C2
51.159.52.196:443
134.209.247.135:6602
194.233.68.48:5228
89.31.56.58:593
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral2/memory/3560-131-0x0000000075290000-0x0000000075311000-memory.dmp dridex_ldr -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3720 3560 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 4556 wrote to memory of 3560 4556 rundll32.exe rundll32.exe PID 4556 wrote to memory of 3560 4556 rundll32.exe rundll32.exe PID 4556 wrote to memory of 3560 4556 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\VYVNqLNFQDkkklgbtq.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4556 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\VYVNqLNFQDkkklgbtq.dll,#12⤵PID:3560
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 6523⤵
- Program crash
PID:3720
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3560 -ip 35601⤵PID:4152