Analysis
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max time kernel
35s -
max time network
94s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
03-03-2021 19:42
Static task
static1
Behavioral task
behavioral1
Sample
384d4b7890a652d938b45f877dad622d7618cbc175e38a8fff6541fbd32aea30.dll
Resource
win7v20201028
0 signatures
0 seconds
General
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Target
384d4b7890a652d938b45f877dad622d7618cbc175e38a8fff6541fbd32aea30.dll
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Size
188KB
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MD5
8fe653d7b19c7d6a15b895807cb1f9cc
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SHA1
7a54efe5f414f7f71f1aa0249f38517e40348540
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SHA256
384d4b7890a652d938b45f877dad622d7618cbc175e38a8fff6541fbd32aea30
-
SHA512
4e7999064cbff43ac22debbcc99334f842294fdf5ddd4d4e10579ea7db8f591c69921a5006abcb205eeb6487db3db70e1fc9a7c59499616d9b1e0a56b0273775
Malware Config
Extracted
Family
dridex
Botnet
111
C2
116.251.211.158:443
216.10.242.142:6601
37.247.35.137:6601
rc4.plain
rc4.plain
Signatures
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Processes:
resource yara_rule behavioral1/memory/1916-4-0x0000000075280000-0x00000000752B1000-memory.dmp dridex_ldr behavioral1/memory/1916-6-0x0000000075280000-0x000000007529F000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 5 1916 rundll32.exe 7 1916 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 596 wrote to memory of 1916 596 rundll32.exe rundll32.exe PID 596 wrote to memory of 1916 596 rundll32.exe rundll32.exe PID 596 wrote to memory of 1916 596 rundll32.exe rundll32.exe PID 596 wrote to memory of 1916 596 rundll32.exe rundll32.exe PID 596 wrote to memory of 1916 596 rundll32.exe rundll32.exe PID 596 wrote to memory of 1916 596 rundll32.exe rundll32.exe PID 596 wrote to memory of 1916 596 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\384d4b7890a652d938b45f877dad622d7618cbc175e38a8fff6541fbd32aea30.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\384d4b7890a652d938b45f877dad622d7618cbc175e38a8fff6541fbd32aea30.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/1536-7-0x000007FEF7E50000-0x000007FEF80CA000-memory.dmpFilesize
2.5MB
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memory/1916-2-0x0000000000000000-mapping.dmp
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memory/1916-3-0x00000000767C1000-0x00000000767C3000-memory.dmpFilesize
8KB
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memory/1916-4-0x0000000075280000-0x00000000752B1000-memory.dmpFilesize
196KB
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memory/1916-5-0x0000000000140000-0x0000000000146000-memory.dmpFilesize
24KB
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memory/1916-6-0x0000000075280000-0x000000007529F000-memory.dmpFilesize
124KB