Analysis
- max time kernel
29s - max time network
111s - platform
windows10_x64 - resource
win10v20210408 - submitted
09/05/2021, 10:02
Static task
static1
Behavioral task
behavioral1
Sample
cb3f67c0_by_Libranalysis.dll
Resource
win7v20210410
0 signatures
0 seconds
General
- Target cb3f67c0_by_Libranalysis.dll
- Size 162KB
- Sample210509-vbw4mkby8s
- SHA256 091f63655f1228f989fc89cd01925e9bf36429bfc311dff54a7753cbaddd1009
- MD5 cb3f67c062b5d97743f9a6e5307385b8
- SHA1 5605deeed2ca18cba087d5b368c2fb96010d3b52
- SHA512 226848812b79db984955233b0c9b746d6a5c23a8c36cecb2c306cd600e568c836484ff076d3b247fee3c3da4b17f082c3eef76e8f8f555885bb7229661ce4b0b
- 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 behavioral2/memory/1320-115-0x00000000736D0000-0x00000000736FE000-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 3 IoCs
description pid Process procid_target PID 796 wrote to memory of 1320 796 rundll32.exe 71 PID 796 wrote to memory of 1320 796 rundll32.exe 71 PID 796 wrote to memory of 1320 796 rundll32.exe 71
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cb3f67c0_by_Libranalysis.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:796 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cb3f67c0_by_Libranalysis.dll,#12⤵
- Checks whether UAC is enabled
PID:1320
-