Analysis
- max time kernel
33s - max time network
17s - platform
windows7_x64 - resource
win7v20210410 - submitted
30/04/2021, 03:04
Static task
static1
Behavioral task
behavioral1
Sample
40057dcb_by_Libranalysis.dll
Resource
win7v20210410
0 signatures
0 seconds
General
- Target 40057dcb_by_Libranalysis.dll
- Size 162KB
- Sample210430-wxtphacqva
- SHA256 777b17626ec18c96e935dcefd49f78512622ce7107a2fcbc2af8f901d0ec2f17
- MD5 40057dcbd6ab04472f090baa50b2167a
- SHA1 c5325a83895b65c8b401a06d0e8c09978f2ecc10
- SHA512 eccab3cc22793b07ee8702930f4993d942df22b2af42e4fc568524e10d96bebc9594a505c8f8f8e7332bd22831acbd6bca2da3bf441c8d324fbf912453078f52
- MD5 SHA1 SHA512
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
-
resource yara_rule behavioral1/memory/1936-62-0x0000000075490000-0x00000000754BE000-memory.dmp dridex_ldr -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 308 wrote to memory of 1936 308 rundll32.exe 26 PID 308 wrote to memory of 1936 308 rundll32.exe 26 PID 308 wrote to memory of 1936 308 rundll32.exe 26 PID 308 wrote to memory of 1936 308 rundll32.exe 26 PID 308 wrote to memory of 1936 308 rundll32.exe 26 PID 308 wrote to memory of 1936 308 rundll32.exe 26 PID 308 wrote to memory of 1936 308 rundll32.exe 26
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\40057dcb_by_Libranalysis.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:308 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\40057dcb_by_Libranalysis.dll,#12⤵
- Checks whether UAC is enabled
PID:1936
-