Analysis
-
max time kernel
131s -
max time network
132s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
11-05-2021 10:37
Static task
static1
Behavioral task
behavioral1
Sample
3539de41885917911eebc21060889172d30fe30c3e114a59b6d379455a28383a.dll
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
General
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Target
3539de41885917911eebc21060889172d30fe30c3e114a59b6d379455a28383a.dll
-
Size
162KB
-
MD5
bbeb839620a99cdaac38516841fbe86a
-
SHA1
d78c0b607a8a6ab0271c1cd2e0ef7358906ff153
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SHA256
3539de41885917911eebc21060889172d30fe30c3e114a59b6d379455a28383a
-
SHA512
df8e3f922775c447f373f39973a5dc4b312bf16b21cc4a462b79676862b143474c997c717079b0fd698d696f295ee1993ff955f5274569d4c7a7c25980ad7e16
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/1160-62-0x0000000074DC0000-0x0000000074DEE000-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 1944 wrote to memory of 1160 1944 rundll32.exe rundll32.exe PID 1944 wrote to memory of 1160 1944 rundll32.exe rundll32.exe PID 1944 wrote to memory of 1160 1944 rundll32.exe rundll32.exe PID 1944 wrote to memory of 1160 1944 rundll32.exe rundll32.exe PID 1944 wrote to memory of 1160 1944 rundll32.exe rundll32.exe PID 1944 wrote to memory of 1160 1944 rundll32.exe rundll32.exe PID 1944 wrote to memory of 1160 1944 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3539de41885917911eebc21060889172d30fe30c3e114a59b6d379455a28383a.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3539de41885917911eebc21060889172d30fe30c3e114a59b6d379455a28383a.dll,#12⤵
- Checks whether UAC is enabled
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1160-60-0x0000000000000000-mapping.dmp
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memory/1160-61-0x0000000076691000-0x0000000076693000-memory.dmpFilesize
8KB
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memory/1160-62-0x0000000074DC0000-0x0000000074DEE000-memory.dmpFilesize
184KB
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memory/1160-64-0x0000000000140000-0x0000000000146000-memory.dmpFilesize
24KB