Analysis
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max time kernel
27s -
max time network
85s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
06-03-2021 14:12
Static task
static1
Behavioral task
behavioral1
Sample
cabc93925c2ba66db79e66fcb9adc1236a8851a3ac4d94638db2c13f9cb10dbc.dll
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
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Target
cabc93925c2ba66db79e66fcb9adc1236a8851a3ac4d94638db2c13f9cb10dbc.dll
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Size
168KB
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MD5
2e18d0fc31d4d1f5ae8c6e72ccdcad7f
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SHA1
39e92914570abf24da063452f11099fbbb1f8330
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SHA256
cabc93925c2ba66db79e66fcb9adc1236a8851a3ac4d94638db2c13f9cb10dbc
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SHA512
5be4feb47da3584932dcd20fcfc9ed612c4c71b91a0490a76e368ad31c406a65feec2e7d3e3b9b2418fa49d81ad8688150a9bceffe195de0f6545e3b14ef6929
Malware Config
Extracted
Family
dridex
Botnet
111
C2
173.203.78.138:443
217.160.107.189:6601
77.220.64.150:5037
rc4.plain
rc4.plain
Signatures
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Processes:
resource yara_rule behavioral1/memory/2008-4-0x0000000074C00000-0x0000000074C2C000-memory.dmp dridex_ldr behavioral1/memory/2008-6-0x0000000074C00000-0x0000000074C1F000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 4 2008 rundll32.exe 7 2008 rundll32.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Processes:
rundll32.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
rundll32.exedescription pid process target process PID 776 wrote to memory of 2008 776 rundll32.exe rundll32.exe PID 776 wrote to memory of 2008 776 rundll32.exe rundll32.exe PID 776 wrote to memory of 2008 776 rundll32.exe rundll32.exe PID 776 wrote to memory of 2008 776 rundll32.exe rundll32.exe PID 776 wrote to memory of 2008 776 rundll32.exe rundll32.exe PID 776 wrote to memory of 2008 776 rundll32.exe rundll32.exe PID 776 wrote to memory of 2008 776 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cabc93925c2ba66db79e66fcb9adc1236a8851a3ac4d94638db2c13f9cb10dbc.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cabc93925c2ba66db79e66fcb9adc1236a8851a3ac4d94638db2c13f9cb10dbc.dll,#12⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1524-7-0x000007FEF74B0000-0x000007FEF772A000-memory.dmpFilesize
2.5MB
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memory/2008-3-0x0000000076071000-0x0000000076073000-memory.dmpFilesize
8KB
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memory/2008-2-0x0000000000000000-mapping.dmp
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memory/2008-4-0x0000000074C00000-0x0000000074C2C000-memory.dmpFilesize
176KB
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memory/2008-5-0x0000000000670000-0x0000000000676000-memory.dmpFilesize
24KB
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memory/2008-6-0x0000000074C00000-0x0000000074C1F000-memory.dmpFilesize
124KB