Analysis
- max time kernel
105s - max time network
110s - platform
windows10_x64 - resource
win10v20210408 - submitted
10/05/2021, 12:01
Static task
static1
Behavioral task
behavioral1
Sample
a55bcb8f_by_Libranalysis.dll
Resource
win7v20210408
0 signatures
0 seconds
General
- Target a55bcb8f_by_Libranalysis.dll
- Size 162KB
- Sample210510-3ry2chsfts
- SHA256 5db617bda31f8fd90fa0f101deb8a4310e2c59a4c695022c1d585bee80131601
- MD5 a55bcb8f41c82e679dd440fff190ef46
- SHA1 751ff1c4c48b0fa52a1b29ada78104202ed9e3f0
- SHA512 b4a23fc46b1eae663d84810b183d6feb0c0b41b6fcf99215729c1cafd4166982f119148febfad194ade6f8a51f1b04c2c63dd68927220f4519c6b2be589f589a
- 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/1596-115-0x0000000073ED0000-0x0000000073EFE000-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 852 wrote to memory of 1596 852 rundll32.exe 70 PID 852 wrote to memory of 1596 852 rundll32.exe 70 PID 852 wrote to memory of 1596 852 rundll32.exe 70
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a55bcb8f_by_Libranalysis.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:852 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a55bcb8f_by_Libranalysis.dll,#12⤵
- Checks whether UAC is enabled
PID:1596
-