Analysis
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max time kernel
26s -
max time network
115s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
26-02-2021 11:01
Static task
static1
Behavioral task
behavioral1
Sample
ed4fe8fcd0bbc0a3def448a2e59b765136232a733d8d3b0d5388021a6e2cd117.dll
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
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Target
ed4fe8fcd0bbc0a3def448a2e59b765136232a733d8d3b0d5388021a6e2cd117.dll
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Size
184KB
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MD5
569d67cfb6bc93ebae61aac42da5e058
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SHA1
e36bc1c469b1e87c63406f81fa514efe9478d2bb
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SHA256
ed4fe8fcd0bbc0a3def448a2e59b765136232a733d8d3b0d5388021a6e2cd117
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SHA512
c79caf73a9dc8b0d4f805b7389973b6c23109f3c5069ac5e19191fb3a9149fd928a486f409f707e0da690779cb7ebd3daeda36d98eafad19a77a5ca90299cf85
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/3972-3-0x0000000073E10000-0x0000000073E40000-memory.dmp dridex_ldr behavioral2/memory/3972-5-0x0000000073E10000-0x0000000073E2F000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 18 3972 rundll32.exe 20 3972 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 756 wrote to memory of 3972 756 rundll32.exe rundll32.exe PID 756 wrote to memory of 3972 756 rundll32.exe rundll32.exe PID 756 wrote to memory of 3972 756 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ed4fe8fcd0bbc0a3def448a2e59b765136232a733d8d3b0d5388021a6e2cd117.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:756 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ed4fe8fcd0bbc0a3def448a2e59b765136232a733d8d3b0d5388021a6e2cd117.dll,#12⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:3972
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/3972-2-0x0000000000000000-mapping.dmp
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memory/3972-3-0x0000000073E10000-0x0000000073E40000-memory.dmpFilesize
192KB
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memory/3972-4-0x00000000007B0000-0x00000000007B6000-memory.dmpFilesize
24KB
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memory/3972-5-0x0000000073E10000-0x0000000073E2F000-memory.dmpFilesize
124KB