Analysis
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max time kernel
31s -
max time network
26s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
21-04-2021 18:18
Static task
static1
Behavioral task
behavioral1
Sample
62a68e8cdda6725f471ca37b34027df6619899b4fc9508bf8d93fa885912f74f.dll
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
-
Target
62a68e8cdda6725f471ca37b34027df6619899b4fc9508bf8d93fa885912f74f.dll
-
Size
154KB
-
MD5
f1b95da047e9797b34bb20498cb32dbb
-
SHA1
a0df1168c07ad52a5aa9c7b5ca9dd7e43bce88e8
-
SHA256
62a68e8cdda6725f471ca37b34027df6619899b4fc9508bf8d93fa885912f74f
-
SHA512
c3c1cb5f93305ba7831215442df04748e5eb2344ad489747f7ad0a3a6a8696dd6b260cea90e7e293bfa9cd15b63cf99c9f6e1265d142bf0657be4f49e205d683
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/616-62-0x0000000075410000-0x000000007543D000-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 1864 wrote to memory of 616 1864 rundll32.exe rundll32.exe PID 1864 wrote to memory of 616 1864 rundll32.exe rundll32.exe PID 1864 wrote to memory of 616 1864 rundll32.exe rundll32.exe PID 1864 wrote to memory of 616 1864 rundll32.exe rundll32.exe PID 1864 wrote to memory of 616 1864 rundll32.exe rundll32.exe PID 1864 wrote to memory of 616 1864 rundll32.exe rundll32.exe PID 1864 wrote to memory of 616 1864 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\62a68e8cdda6725f471ca37b34027df6619899b4fc9508bf8d93fa885912f74f.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\62a68e8cdda6725f471ca37b34027df6619899b4fc9508bf8d93fa885912f74f.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/616-61-0x0000000076A81000-0x0000000076A83000-memory.dmpFilesize
8KB
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memory/616-60-0x0000000000000000-mapping.dmp
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memory/616-62-0x0000000075410000-0x000000007543D000-memory.dmpFilesize
180KB
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memory/616-64-0x0000000000190000-0x0000000000196000-memory.dmpFilesize
24KB