Analysis
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max time kernel
28s -
max time network
137s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
26-02-2021 11:09
Static task
static1
Behavioral task
behavioral1
Sample
c30b5746271fe4d4f3af7d6de38356a1da42c3117ad50cf1066631f6f91aa414.dll
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
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Target
c30b5746271fe4d4f3af7d6de38356a1da42c3117ad50cf1066631f6f91aa414.dll
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Size
184KB
-
MD5
440f2909995e9485edc3ed99306b5138
-
SHA1
b9b4160decfac311484a8b2f9e95d6c1654dfddf
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SHA256
c30b5746271fe4d4f3af7d6de38356a1da42c3117ad50cf1066631f6f91aa414
-
SHA512
f55acb42b452551718a850b56b593272cc3af39cbdad2d70b8e35910dd7f1cab8495d5c42497b703258abe41464d4cb5f8bb478ffa9480ba897a22e36fcff608
Malware Config
Extracted
Family
dridex
Botnet
111
C2
162.13.114.59:443
70.39.99.196:8172
37.187.115.122:6601
rc4.plain
rc4.plain
Signatures
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Processes:
resource yara_rule behavioral2/memory/804-3-0x0000000073CB0000-0x0000000073CE0000-memory.dmp dridex_ldr behavioral2/memory/804-5-0x0000000073CB0000-0x0000000073CCF000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 17 804 rundll32.exe 19 804 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 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 3116 wrote to memory of 804 3116 rundll32.exe rundll32.exe PID 3116 wrote to memory of 804 3116 rundll32.exe rundll32.exe PID 3116 wrote to memory of 804 3116 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c30b5746271fe4d4f3af7d6de38356a1da42c3117ad50cf1066631f6f91aa414.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c30b5746271fe4d4f3af7d6de38356a1da42c3117ad50cf1066631f6f91aa414.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/804-2-0x0000000000000000-mapping.dmp
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memory/804-3-0x0000000073CB0000-0x0000000073CE0000-memory.dmpFilesize
192KB
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memory/804-4-0x00000000029F0000-0x00000000029F6000-memory.dmpFilesize
24KB
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memory/804-5-0x0000000073CB0000-0x0000000073CCF000-memory.dmpFilesize
124KB