Analysis
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max time kernel
145s -
max time network
148s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
04-05-2021 13:37
Static task
static1
Behavioral task
behavioral1
Sample
f8d8f30b52631fa4521d502f0f57a6bf921a908769d8a577afbf9284bb0f1c67.dll
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
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Target
f8d8f30b52631fa4521d502f0f57a6bf921a908769d8a577afbf9284bb0f1c67.dll
-
Size
162KB
-
MD5
699cb9372bfd32e2120be48067a8208e
-
SHA1
c4ed411e20ccb6cc5265e8040b3ec2c8bf0cb551
-
SHA256
f8d8f30b52631fa4521d502f0f57a6bf921a908769d8a577afbf9284bb0f1c67
-
SHA512
066143c12ab35ab61e32239a1148a32f6edcff53cd067995cd74136e256141f1fd3c544ea862c9c3c5b0dcdf6f8499ab93cefea67bf79d47ca53a2b397da3bad
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 behavioral2/memory/4032-115-0x0000000073BF0000-0x0000000073C1E000-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 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 752 wrote to memory of 4032 752 rundll32.exe rundll32.exe PID 752 wrote to memory of 4032 752 rundll32.exe rundll32.exe PID 752 wrote to memory of 4032 752 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f8d8f30b52631fa4521d502f0f57a6bf921a908769d8a577afbf9284bb0f1c67.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f8d8f30b52631fa4521d502f0f57a6bf921a908769d8a577afbf9284bb0f1c67.dll,#12⤵
- Checks whether UAC is enabled