Analysis
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max time kernel
23s -
max time network
132s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
03-03-2021 19:05
Static task
static1
Behavioral task
behavioral1
Sample
da4018445ea4fca2c635f667a15941518dca43d1215dba425aec332a15b53325.dll
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
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Target
da4018445ea4fca2c635f667a15941518dca43d1215dba425aec332a15b53325.dll
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Size
188KB
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MD5
28aaeb63ac4c5a82d68c153ad60d95bf
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SHA1
b5b8ec5e053a9cd75c00a0f97e3925ece881a5ca
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SHA256
da4018445ea4fca2c635f667a15941518dca43d1215dba425aec332a15b53325
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SHA512
45789b890deef9e0d1505c4c1760f35e590d0c8ab363014e21512b8c8f3fafd00adbcbb1a5f558b7f7b87df93f0e862e13b4cc7a4c21a96580438897c328d5d5
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 behavioral2/memory/3192-3-0x0000000073E80000-0x0000000073EB1000-memory.dmp dridex_ldr behavioral2/memory/3192-5-0x0000000073E80000-0x0000000073E9F000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 16 3192 rundll32.exe 18 3192 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 3884 wrote to memory of 3192 3884 rundll32.exe rundll32.exe PID 3884 wrote to memory of 3192 3884 rundll32.exe rundll32.exe PID 3884 wrote to memory of 3192 3884 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\da4018445ea4fca2c635f667a15941518dca43d1215dba425aec332a15b53325.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3884 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\da4018445ea4fca2c635f667a15941518dca43d1215dba425aec332a15b53325.dll,#12⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:3192
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/3192-2-0x0000000000000000-mapping.dmp
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memory/3192-3-0x0000000073E80000-0x0000000073EB1000-memory.dmpFilesize
196KB
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memory/3192-4-0x0000000000900000-0x0000000000906000-memory.dmpFilesize
24KB
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memory/3192-5-0x0000000073E80000-0x0000000073E9F000-memory.dmpFilesize
124KB