Analysis
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max time kernel
27s -
max time network
9s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
21-04-2021 18:18
Static task
static1
Behavioral task
behavioral1
Sample
62558cbed6a8dad6dc26ad430bb1799a2bc57064fd902cc26efef1bc96c04aa8.dll
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
-
Target
62558cbed6a8dad6dc26ad430bb1799a2bc57064fd902cc26efef1bc96c04aa8.dll
-
Size
157KB
-
MD5
8149d53aa058c075528edfb2dcebf926
-
SHA1
0c48445ed97c62b3f94195b13f1d36478ee91da1
-
SHA256
62558cbed6a8dad6dc26ad430bb1799a2bc57064fd902cc26efef1bc96c04aa8
-
SHA512
324ee8f2966246f4b5a755184e309fbbaafecfa0c2898371906fce22b3017af40421c818d043af55baa4fb928786bb6e50ee6da1efc5091d9be084d223103531
Malware Config
Extracted
Family
dridex
Botnet
40112
C2
159.8.59.82:443
51.91.156.39:2303
67.196.50.240:8172
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/1364-61-0x00000000747E0000-0x000000007480D000-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 1420 wrote to memory of 1364 1420 rundll32.exe rundll32.exe PID 1420 wrote to memory of 1364 1420 rundll32.exe rundll32.exe PID 1420 wrote to memory of 1364 1420 rundll32.exe rundll32.exe PID 1420 wrote to memory of 1364 1420 rundll32.exe rundll32.exe PID 1420 wrote to memory of 1364 1420 rundll32.exe rundll32.exe PID 1420 wrote to memory of 1364 1420 rundll32.exe rundll32.exe PID 1420 wrote to memory of 1364 1420 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\62558cbed6a8dad6dc26ad430bb1799a2bc57064fd902cc26efef1bc96c04aa8.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1420 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\62558cbed6a8dad6dc26ad430bb1799a2bc57064fd902cc26efef1bc96c04aa8.dll,#12⤵
- Checks whether UAC is enabled
PID:1364
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/1364-59-0x0000000000000000-mapping.dmp
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memory/1364-60-0x0000000074FB1000-0x0000000074FB3000-memory.dmpFilesize
8KB
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memory/1364-61-0x00000000747E0000-0x000000007480D000-memory.dmpFilesize
180KB
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memory/1364-63-0x00000000001A0000-0x00000000001A6000-memory.dmpFilesize
24KB