Analysis
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max time kernel
30s -
max time network
142s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
03-04-2021 16:14
Static task
static1
Behavioral task
behavioral1
Sample
e73a08445aab30826115a281da60fa0a5a4f7a7726799897b3e032a46c584345.dll
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
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Target
e73a08445aab30826115a281da60fa0a5a4f7a7726799897b3e032a46c584345.dll
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Size
196KB
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MD5
fdfcdabf23aedbcb3644591dae793e2a
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SHA1
c5423fd629b1e71ae422c1728ba8e219d24834d0
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SHA256
e73a08445aab30826115a281da60fa0a5a4f7a7726799897b3e032a46c584345
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SHA512
8c0d407cc0f4bd759a67aa87ad2cb6f59002feddbed27fad62d786089d00fa54330dd7722b2803d23e6cce0090879c0d3683fb59b01069769b9e4c9757eb0d00
Malware Config
Extracted
Family
dridex
Botnet
111
C2
37.247.35.132:443
50.243.30.51:6601
162.241.204.234:6516
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral2/memory/3584-3-0x0000000073C80000-0x0000000073CB3000-memory.dmp dridex_ldr behavioral2/memory/3584-5-0x0000000073C80000-0x0000000073C9F000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 14 3584 rundll32.exe 16 3584 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 3132 wrote to memory of 3584 3132 rundll32.exe rundll32.exe PID 3132 wrote to memory of 3584 3132 rundll32.exe rundll32.exe PID 3132 wrote to memory of 3584 3132 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e73a08445aab30826115a281da60fa0a5a4f7a7726799897b3e032a46c584345.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e73a08445aab30826115a281da60fa0a5a4f7a7726799897b3e032a46c584345.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/3584-2-0x0000000000000000-mapping.dmp
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memory/3584-3-0x0000000073C80000-0x0000000073CB3000-memory.dmpFilesize
204KB
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memory/3584-4-0x0000000002B70000-0x0000000002B76000-memory.dmpFilesize
24KB
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memory/3584-5-0x0000000073C80000-0x0000000073C9F000-memory.dmpFilesize
124KB