Analysis
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max time kernel
137s -
max time network
138s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
21-04-2021 15:52
Static task
static1
Behavioral task
behavioral1
Sample
4cdbc562377e1e144c9f337a7f0663a97c02f0fc3600bf651ad3f6725df70770.dll
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
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Target
4cdbc562377e1e144c9f337a7f0663a97c02f0fc3600bf651ad3f6725df70770.dll
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Size
162KB
-
MD5
a1146ee2ab0de29d4919eff3b30007c0
-
SHA1
8235c7a0ed39889275b171daa3b9f006db80f660
-
SHA256
4cdbc562377e1e144c9f337a7f0663a97c02f0fc3600bf651ad3f6725df70770
-
SHA512
e1775fc651833e5e68d4bf8107845e96431b06c244071754b71931411f81d157032a0ff8d68e5cf153789d0274542962660703e08ed3c2720edb13cb7fae670b
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/1064-61-0x0000000074A30000-0x0000000074A5E000-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 1064 1268 rundll32.exe rundll32.exe PID 1268 wrote to memory of 1064 1268 rundll32.exe rundll32.exe PID 1268 wrote to memory of 1064 1268 rundll32.exe rundll32.exe PID 1268 wrote to memory of 1064 1268 rundll32.exe rundll32.exe PID 1268 wrote to memory of 1064 1268 rundll32.exe rundll32.exe PID 1268 wrote to memory of 1064 1268 rundll32.exe rundll32.exe PID 1268 wrote to memory of 1064 1268 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4cdbc562377e1e144c9f337a7f0663a97c02f0fc3600bf651ad3f6725df70770.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4cdbc562377e1e144c9f337a7f0663a97c02f0fc3600bf651ad3f6725df70770.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/1064-59-0x0000000000000000-mapping.dmp
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memory/1064-60-0x0000000075591000-0x0000000075593000-memory.dmpFilesize
8KB
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memory/1064-61-0x0000000074A30000-0x0000000074A5E000-memory.dmpFilesize
184KB
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memory/1064-63-0x00000000000D0000-0x00000000000D6000-memory.dmpFilesize
24KB