Analysis
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max time kernel
28s -
max time network
31s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
11-05-2021 12:03
Static task
static1
Behavioral task
behavioral1
Sample
2c5c9dd6_by_Libranalysis.dll
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
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Target
2c5c9dd6_by_Libranalysis.dll
-
Size
162KB
-
MD5
2c5c9dd6d93592669f5825a7802745bf
-
SHA1
d5ceda3850d2408071546f1201f7ffbe03b95896
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SHA256
ea67a5e7103f219bb90bd81baa0e8f1e6b2508af8f763149c6da631c12d4e4be
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SHA512
f231dfc6fd2b8d357251ef44e50074d638e37e505faf0a5ef2200d6f2006ea92da25cfcb318f00ce050951884070a3fb29a13b9fcb96e7eb3d87e2747392ef5d
Malware Config
Extracted
Family
dridex
Botnet
40112
C2
107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/1244-62-0x0000000074700000-0x000000007472E000-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 296 wrote to memory of 1244 296 rundll32.exe rundll32.exe PID 296 wrote to memory of 1244 296 rundll32.exe rundll32.exe PID 296 wrote to memory of 1244 296 rundll32.exe rundll32.exe PID 296 wrote to memory of 1244 296 rundll32.exe rundll32.exe PID 296 wrote to memory of 1244 296 rundll32.exe rundll32.exe PID 296 wrote to memory of 1244 296 rundll32.exe rundll32.exe PID 296 wrote to memory of 1244 296 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2c5c9dd6_by_Libranalysis.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2c5c9dd6_by_Libranalysis.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/1244-60-0x0000000000000000-mapping.dmp
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memory/1244-61-0x00000000757E1000-0x00000000757E3000-memory.dmpFilesize
8KB
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memory/1244-62-0x0000000074700000-0x000000007472E000-memory.dmpFilesize
184KB
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memory/1244-64-0x0000000000190000-0x0000000000196000-memory.dmpFilesize
24KB