Analysis
- max time kernel
33s - max time network
9s - platform
windows7_x64 - resource
win7v20210410 - submitted
06/05/2021, 21:02
Static task
static1
Behavioral task
behavioral1
Sample
a3d225bd_by_Libranalysis.dll
Resource
win7v20210410
0 signatures
0 seconds
General
- Target a3d225bd_by_Libranalysis.dll
- Size 158KB
- Sample210506-4xtjdwtq1x
- SHA256 2ea7ac33cf482987b0052b039cab2725475bfbdaa9bf3def338d580223e58e35
- MD5 a3d225bd17b38a0db0a98070c7a913b6
- SHA1 311b0841e8f042f5054ae0781a0817cab6122a54
- SHA512 8db9b972cd426cd2f633088fac70687f9268d184d34116f29b797271216fb501733a3e1d286aa5d11a75999bfa6f382f560ad095ba9cb67032e88a0cc9082cc0
- 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/1060-61-0x0000000074E50000-0x0000000074E7D000-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 1084 wrote to memory of 1060 1084 rundll32.exe 26 PID 1084 wrote to memory of 1060 1084 rundll32.exe 26 PID 1084 wrote to memory of 1060 1084 rundll32.exe 26 PID 1084 wrote to memory of 1060 1084 rundll32.exe 26 PID 1084 wrote to memory of 1060 1084 rundll32.exe 26 PID 1084 wrote to memory of 1060 1084 rundll32.exe 26 PID 1084 wrote to memory of 1060 1084 rundll32.exe 26
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a3d225bd_by_Libranalysis.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1084 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a3d225bd_by_Libranalysis.dll,#12⤵
- Checks whether UAC is enabled
PID:1060
-