Analysis
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max time kernel
27s -
max time network
9s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
11-05-2021 12:04
Static task
static1
Behavioral task
behavioral1
Sample
9f194fec_by_Libranalysis.dll
Resource
win7v20210410
0 signatures
0 seconds
General
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Target
9f194fec_by_Libranalysis.dll
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Size
160KB
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MD5
9f194fec24218f1f796c6957ba4d256c
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SHA1
a00c0b9e5403b987f5d1b8d7de2ba9d12be20c14
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SHA256
37ba7eb8a1c633bb8fdc60009332d38f1db7adf73b1e2672454542adb7a3bea0
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SHA512
2b299f1fabbe404aa00642d0b4637f6f256bc77280268190d49cf271c3e4f51f4922ecd55658b26c3a5e25c763242f291f29376fb34f3d4ea790c47333b8c2e4
Malware Config
Extracted
Family
dridex
Botnet
40111
C2
94.247.168.64:443
159.203.93.122:8172
50.116.27.97:2303
rc4.plain
rc4.plain
Signatures
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Processes:
resource yara_rule behavioral1/memory/2040-62-0x0000000074A60000-0x0000000074A8E000-memory.dmp dridex_ldr -
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 1072 wrote to memory of 2040 1072 rundll32.exe rundll32.exe PID 1072 wrote to memory of 2040 1072 rundll32.exe rundll32.exe PID 1072 wrote to memory of 2040 1072 rundll32.exe rundll32.exe PID 1072 wrote to memory of 2040 1072 rundll32.exe rundll32.exe PID 1072 wrote to memory of 2040 1072 rundll32.exe rundll32.exe PID 1072 wrote to memory of 2040 1072 rundll32.exe rundll32.exe PID 1072 wrote to memory of 2040 1072 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\9f194fec_by_Libranalysis.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\9f194fec_by_Libranalysis.dll,#12⤵
- 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/2040-60-0x0000000000000000-mapping.dmp
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memory/2040-61-0x0000000075411000-0x0000000075413000-memory.dmpFilesize
8KB
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memory/2040-62-0x0000000074A60000-0x0000000074A8E000-memory.dmpFilesize
184KB
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memory/2040-64-0x0000000000100000-0x0000000000106000-memory.dmpFilesize
24KB