Analysis
- max time kernel
121s - max time network
125s - platform
windows7_x64 - resource
win7v20210410 - submitted
30/04/2021, 17:03
Static task
static1
Behavioral task
behavioral1
Sample
1885035f_by_Libranalysis.dll
Resource
win7v20210410
0 signatures
0 seconds
General
- Target 1885035f_by_Libranalysis.dll
- Size 158KB
- Sample210430-zrefkhem82
- SHA256 f56abab2713099d02ee5b54d4dce7d100f79b7afb80c960a0876ecef3876c3d5
- MD5 1885035f75e72014652a4d41da405211
- SHA1 39417e397a5f48513e2c84ef6cb19ec901320932
- SHA512 67c7a656f3ca6088838a8d35895d1e202688a9a6e76cdc0192f8ff1d659725c9159a77d6ccc2fb2cb2f2c3cd636c03afd0dbcedea99622b55965371e176bf20f
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
dridex
Botnet
-
40111
C2
-
8.210.53.215:443
-
72.249.22.245:2303
-
188.40.137.206:8172
rc4.plain
rc4.plain
Signatures
-
resource yara_rule behavioral1/memory/1944-63-0x0000000074EB0000-0x0000000074EDD000-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 372 wrote to memory of 1944 372 rundll32.exe 26 PID 372 wrote to memory of 1944 372 rundll32.exe 26 PID 372 wrote to memory of 1944 372 rundll32.exe 26 PID 372 wrote to memory of 1944 372 rundll32.exe 26 PID 372 wrote to memory of 1944 372 rundll32.exe 26 PID 372 wrote to memory of 1944 372 rundll32.exe 26 PID 372 wrote to memory of 1944 372 rundll32.exe 26
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\1885035f_by_Libranalysis.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:372 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\1885035f_by_Libranalysis.dll,#12⤵
- Checks whether UAC is enabled
PID:1944
-