Analysis
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max time kernel
122s -
max time network
121s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
21-04-2021 18:43
Static task
static1
Behavioral task
behavioral1
Sample
580f8c0b042d107d731c9ed3d63af95e131018484784af78358a162d612f6c17.dll
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
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Target
580f8c0b042d107d731c9ed3d63af95e131018484784af78358a162d612f6c17.dll
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Size
154KB
-
MD5
bb99f09483103151c21547bad7a502d0
-
SHA1
0d8aede73049402210e7dd02a1752b3329cabf33
-
SHA256
580f8c0b042d107d731c9ed3d63af95e131018484784af78358a162d612f6c17
-
SHA512
a27cfebb335e0ebc23a2026c012b5cbc21d803cacafd9d4104521fc1d7496c98ab2cef8d6c4a5ad5ab4f6c7485a0dd39609109cf4523147cc2980cfc61e6a7b3
Malware Config
Extracted
Family
dridex
Botnet
40111
C2
159.8.59.82:443
51.91.156.39:2303
67.196.50.240:8172
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/316-62-0x0000000074920000-0x000000007494D000-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 1640 wrote to memory of 316 1640 rundll32.exe rundll32.exe PID 1640 wrote to memory of 316 1640 rundll32.exe rundll32.exe PID 1640 wrote to memory of 316 1640 rundll32.exe rundll32.exe PID 1640 wrote to memory of 316 1640 rundll32.exe rundll32.exe PID 1640 wrote to memory of 316 1640 rundll32.exe rundll32.exe PID 1640 wrote to memory of 316 1640 rundll32.exe rundll32.exe PID 1640 wrote to memory of 316 1640 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\580f8c0b042d107d731c9ed3d63af95e131018484784af78358a162d612f6c17.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\580f8c0b042d107d731c9ed3d63af95e131018484784af78358a162d612f6c17.dll,#12⤵
- Checks whether UAC is enabled
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/316-60-0x0000000000000000-mapping.dmp
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memory/316-61-0x0000000075631000-0x0000000075633000-memory.dmpFilesize
8KB
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memory/316-62-0x0000000074920000-0x000000007494D000-memory.dmpFilesize
180KB
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memory/316-64-0x00000000001A0000-0x00000000001A6000-memory.dmpFilesize
24KB