Analysis
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max time kernel
175s -
max time network
187s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
31-07-2022 05:12
Static task
static1
Behavioral task
behavioral1
Sample
HLYbnfSQpxkkklgbtq.dll
Resource
win7-20220718-en
windows7-x64
4 signatures
150 seconds
General
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Target
HLYbnfSQpxkkklgbtq.dll
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Size
512KB
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MD5
cc810495ba0d64d3b6081d6006607bc2
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SHA1
1aee22f98f546977d0df7c36e8c583915d003a6c
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SHA256
176d3e38c6782bf313d6d5f23a14f2e7692181ee50a7b2a2b130caae82e46148
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SHA512
edbea012640ef80b2430946321e6a62ee5b907df7f28deb23a43b64f0b6833e3efbcb100ce1400fef2aa4d37881f0365962c0846171c2af92f2fccf17c4f2410
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/4908-132-0x0000000074A60000-0x0000000074AE1000-memory.dmp dridex_ldr -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2140 4908 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 4104 wrote to memory of 4908 4104 rundll32.exe rundll32.exe PID 4104 wrote to memory of 4908 4104 rundll32.exe rundll32.exe PID 4104 wrote to memory of 4908 4104 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\HLYbnfSQpxkkklgbtq.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\HLYbnfSQpxkkklgbtq.dll,#12⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 6643⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4908 -ip 49081⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/4908-130-0x0000000000000000-mapping.dmp
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memory/4908-131-0x0000000000730000-0x0000000000736000-memory.dmpFilesize
24KB
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memory/4908-132-0x0000000074A60000-0x0000000074AE1000-memory.dmpFilesize
516KB
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memory/4908-134-0x0000000000730000-0x0000000000736000-memory.dmpFilesize
24KB