Analysis
- max time kernel
25s - max time network
25s - platform
windows7_x64 - resource
win7v20210408 - submitted
15/04/2021, 07:37
Static task
static1
Behavioral task
behavioral1
Sample
f9d162ebdbacc70ca3f906a4661ae6580fe50e943298faea6237295ead358340.dll
Resource
win7v20210408
0 signatures
0 seconds
General
- Target f9d162ebdbacc70ca3f906a4661ae6580fe50e943298faea6237295ead358340.dll
- Size 162KB
- Sample210415-nnpc4aktf2
- SHA256 f9d162ebdbacc70ca3f906a4661ae6580fe50e943298faea6237295ead358340
- MD5 dcdfeb74707f880c8942fa6f7485d12c
- SHA1 b18dd41fee4aea48f081fad744ac058ebe7f85e1
- SHA512 b26d8ba49f82edae01b4173068becdb0a606e02b143c350497859394c0370ea00a701c1e660af8edaa2b0c9ff5cde0e56bedc3951463518c029174a26b58ba97
- 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/1944-61-0x00000000746D0000-0x00000000746FE000-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 340 wrote to memory of 1944 340 rundll32.exe 25 PID 340 wrote to memory of 1944 340 rundll32.exe 25 PID 340 wrote to memory of 1944 340 rundll32.exe 25 PID 340 wrote to memory of 1944 340 rundll32.exe 25 PID 340 wrote to memory of 1944 340 rundll32.exe 25 PID 340 wrote to memory of 1944 340 rundll32.exe 25 PID 340 wrote to memory of 1944 340 rundll32.exe 25
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f9d162ebdbacc70ca3f906a4661ae6580fe50e943298faea6237295ead358340.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:340 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f9d162ebdbacc70ca3f906a4661ae6580fe50e943298faea6237295ead358340.dll,#12⤵
- Checks whether UAC is enabled
PID:1944
-