Analysis
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max time kernel
29s -
max time network
141s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
05-03-2021 01:09
Static task
static1
Behavioral task
behavioral1
Sample
8230fa8e285de94d91f14bd97c437262fea073866329c6324b29de276c040e8d.dll
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
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Target
8230fa8e285de94d91f14bd97c437262fea073866329c6324b29de276c040e8d.dll
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Size
196KB
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MD5
0e2d51ae06f990cb927e7fa8bfb2e3f3
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SHA1
fcb4c03c752d778ac1e09f6a1f55cc92a3d632a8
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SHA256
8230fa8e285de94d91f14bd97c437262fea073866329c6324b29de276c040e8d
-
SHA512
f5c4ecc80211a402144222c7d582dd81dffd724478e6155019a3d03fbef7fc2c0bc266f059a6cbb8ad68ca56f4e46ead05e62b465169d2d07ccb8a52756d7a6b
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
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Processes:
resource yara_rule behavioral2/memory/584-3-0x0000000074410000-0x0000000074443000-memory.dmp dridex_ldr behavioral2/memory/584-5-0x0000000074410000-0x000000007442F000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 16 584 rundll32.exe 18 584 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 1400 wrote to memory of 584 1400 rundll32.exe rundll32.exe PID 1400 wrote to memory of 584 1400 rundll32.exe rundll32.exe PID 1400 wrote to memory of 584 1400 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8230fa8e285de94d91f14bd97c437262fea073866329c6324b29de276c040e8d.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8230fa8e285de94d91f14bd97c437262fea073866329c6324b29de276c040e8d.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/584-2-0x0000000000000000-mapping.dmp
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memory/584-3-0x0000000074410000-0x0000000074443000-memory.dmpFilesize
204KB
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memory/584-4-0x0000000002B50000-0x0000000002B56000-memory.dmpFilesize
24KB
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memory/584-5-0x0000000074410000-0x000000007442F000-memory.dmpFilesize
124KB