Analysis
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max time kernel
51s -
max time network
50s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
11-05-2021 12:02
Static task
static1
Behavioral task
behavioral1
Sample
a9d72a47_by_Libranalysis.dll
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
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Target
a9d72a47_by_Libranalysis.dll
-
Size
162KB
-
MD5
a9d72a4724769d51db73a7f10e388e84
-
SHA1
1b0da41b7c7f18412763ca1a9da26af3eecb3ce2
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SHA256
7c816f35173c65d6ea431eeaeed89bb328e3e7b543c877c1c278d00bf394f839
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SHA512
9332084f4ef1e23441a01b73d8fcec61fe77d5e8d3e9794170f5ef01afa21671b79e1936c1285061583ddb2ac44dd257c8f3eda450dd38fa919f68d71ccf4c67
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/1936-62-0x00000000754B0000-0x00000000754DE000-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 1104 wrote to memory of 1936 1104 rundll32.exe rundll32.exe PID 1104 wrote to memory of 1936 1104 rundll32.exe rundll32.exe PID 1104 wrote to memory of 1936 1104 rundll32.exe rundll32.exe PID 1104 wrote to memory of 1936 1104 rundll32.exe rundll32.exe PID 1104 wrote to memory of 1936 1104 rundll32.exe rundll32.exe PID 1104 wrote to memory of 1936 1104 rundll32.exe rundll32.exe PID 1104 wrote to memory of 1936 1104 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a9d72a47_by_Libranalysis.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a9d72a47_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/1936-61-0x0000000076E11000-0x0000000076E13000-memory.dmpFilesize
8KB
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memory/1936-60-0x0000000000000000-mapping.dmp
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memory/1936-62-0x00000000754B0000-0x00000000754DE000-memory.dmpFilesize
184KB
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memory/1936-64-0x0000000000160000-0x0000000000166000-memory.dmpFilesize
24KB