Analysis
- max time kernel
19s - max time network
110s - platform
windows10_x64 - resource
win10v20210410 - submitted
20/05/2021, 11:24
Static task
static1
Behavioral task
behavioral1
Sample
e5741d91_by_Libranalysis.dll
Resource
win7v20210410
0 signatures
0 seconds
General
- Target e5741d91_by_Libranalysis.dll
- Size 162KB
- Sample210520-efa46efa1e
- SHA256 fcf241a4d8dc337528381a5b331a4d324eab090ea841498418da722cedf6772f
- MD5 e5741d91b18e0b7f9140be840f568844
- SHA1 63a38bc66f8fb7243688e03e75620770be54d6bc
- SHA512 e61727afecd76e058116e8c123a9e3d282b21c42b5d7045394aac8b5a7972d5cb5fc85c87a07058f83ba2f5bd7748ae08ab6458b6afd08d3e38ec0aa3b5657be
- 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/3756-115-0x0000000073AA0000-0x0000000073ACE000-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 3992 wrote to memory of 3756 3992 rundll32.exe 70 PID 3992 wrote to memory of 3756 3992 rundll32.exe 70 PID 3992 wrote to memory of 3756 3992 rundll32.exe 70
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e5741d91_by_Libranalysis.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3992 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e5741d91_by_Libranalysis.dll,#12⤵
- Checks whether UAC is enabled
PID:3756
-