Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
21-04-2021 18:02
Static task
static1
Behavioral task
behavioral1
Sample
5175e92dba6e84cfef83539da79bd249980035d3fc761ce31d7dde8a46249b3c.dll
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
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Target
5175e92dba6e84cfef83539da79bd249980035d3fc761ce31d7dde8a46249b3c.dll
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Size
162KB
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MD5
0587b602e33716c5affd672d465e9806
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SHA1
7b35540a97f1bc6478e5edd4f842f3c8c54dd6ac
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SHA256
5175e92dba6e84cfef83539da79bd249980035d3fc761ce31d7dde8a46249b3c
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SHA512
6b9e93c5309d0afc279d678f2c24e4fadd66f5320f6fe2ad4b519b35a75e94e322cdaef88f33fecfb7819b125a23859b52b1ac19e0737a32e738efd16f3d0c28
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/2032-62-0x0000000074A30000-0x0000000074A5E000-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 1268 wrote to memory of 2032 1268 rundll32.exe rundll32.exe PID 1268 wrote to memory of 2032 1268 rundll32.exe rundll32.exe PID 1268 wrote to memory of 2032 1268 rundll32.exe rundll32.exe PID 1268 wrote to memory of 2032 1268 rundll32.exe rundll32.exe PID 1268 wrote to memory of 2032 1268 rundll32.exe rundll32.exe PID 1268 wrote to memory of 2032 1268 rundll32.exe rundll32.exe PID 1268 wrote to memory of 2032 1268 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5175e92dba6e84cfef83539da79bd249980035d3fc761ce31d7dde8a46249b3c.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1268 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5175e92dba6e84cfef83539da79bd249980035d3fc761ce31d7dde8a46249b3c.dll,#12⤵
- Checks whether UAC is enabled
PID:2032
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/2032-60-0x0000000000000000-mapping.dmp
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memory/2032-61-0x0000000075591000-0x0000000075593000-memory.dmpFilesize
8KB
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memory/2032-62-0x0000000074A30000-0x0000000074A5E000-memory.dmpFilesize
184KB
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memory/2032-64-0x0000000000120000-0x0000000000126000-memory.dmpFilesize
24KB