Analysis
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max time kernel
35s -
max time network
44s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
19-04-2021 18:14
Static task
static1
General
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Target
a39548184c4f688f250ae90ce4bd1faea9968c9ea6b55560442a40bf1f27eb51.dll
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Size
966KB
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MD5
2423c0206cd63f407670eb68f62fd711
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SHA1
eef8dea77a39c806731e42206e3faa8a35081893
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SHA256
a39548184c4f688f250ae90ce4bd1faea9968c9ea6b55560442a40bf1f27eb51
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SHA512
b72af31c393204e0be1c26923ac389ed7b5514eaebc6f4a25387f983183293303446e0fecb1e80b62310a60512355404af18c0c3ae40c20c5884e70cf5d1f958
Malware Config
Extracted
Family
dridex
Botnet
10444
C2
146.185.170.249:443
62.75.251.60:6601
185.148.168.25:2303
rc4.plain
rc4.plain
Signatures
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Processes:
resource yara_rule behavioral1/memory/3628-116-0x0000000073470000-0x0000000073586000-memory.dmp dridex_ldr behavioral1/memory/3628-115-0x0000000073470000-0x00000000734AD000-memory.dmp dridex_ldr -
Blocklisted process makes network request 1 IoCs
Processes:
rundll32.exeflow pid process 14 3628 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 3920 wrote to memory of 3628 3920 rundll32.exe rundll32.exe PID 3920 wrote to memory of 3628 3920 rundll32.exe rundll32.exe PID 3920 wrote to memory of 3628 3920 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a39548184c4f688f250ae90ce4bd1faea9968c9ea6b55560442a40bf1f27eb51.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a39548184c4f688f250ae90ce4bd1faea9968c9ea6b55560442a40bf1f27eb51.dll,#12⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/3628-114-0x0000000000000000-mapping.dmp
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memory/3628-116-0x0000000073470000-0x0000000073586000-memory.dmpFilesize
1.1MB
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memory/3628-115-0x0000000073470000-0x00000000734AD000-memory.dmpFilesize
244KB
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memory/3628-179-0x0000000002BC0000-0x0000000002D0A000-memory.dmpFilesize
1.3MB