Analysis
- max time kernel
29s - max time network
11s - platform
windows7_x64 - resource
win7v20210408 - submitted
16/05/2021, 17:04
Static task
static1
Behavioral task
behavioral1
Sample
6fec49ab_by_Libranalysis.dll
Resource
win7v20210408
0 signatures
0 seconds
General
- Target 6fec49ab_by_Libranalysis.dll
- Size 162KB
- Sample210516-rtaded2l2j
- SHA256 da0bbb0faa79b3c600f0b6d1fdb0371f8cd0dc92bb0780a08ff890c3d912354e
- MD5 6fec49ab7ddbdf1353d65979d74edda0
- SHA1 bce9bb3b67c71adb156302fd079620a0d0e32e7e
- SHA512 5e97d0b16999f72e8c45a5175cf5bf3a4b688462d6742b3ac308d6f52a4c8b4863e85748070046afe99326c14946ee3c7391d52eae4289db753844233b632cf9
- 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/1856-62-0x0000000074600000-0x000000007462E000-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 792 wrote to memory of 1856 792 rundll32.exe 25 PID 792 wrote to memory of 1856 792 rundll32.exe 25 PID 792 wrote to memory of 1856 792 rundll32.exe 25 PID 792 wrote to memory of 1856 792 rundll32.exe 25 PID 792 wrote to memory of 1856 792 rundll32.exe 25 PID 792 wrote to memory of 1856 792 rundll32.exe 25 PID 792 wrote to memory of 1856 792 rundll32.exe 25
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\6fec49ab_by_Libranalysis.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:792 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\6fec49ab_by_Libranalysis.dll,#12⤵
- Checks whether UAC is enabled
PID:1856
-