Analysis
- max time kernel
23s - max time network
10s - platform
windows7_x64 - resource
win7v20210410 - submitted
18/04/2021, 11:43
Static task
static1
Behavioral task
behavioral1
Sample
a8bb974c8f3c4ae5f9e21b7d3749a77abb0bd06e2da2ded1faa8bcee132d76b1.dll
Resource
win7v20210410
0 signatures
0 seconds
General
- Target a8bb974c8f3c4ae5f9e21b7d3749a77abb0bd06e2da2ded1faa8bcee132d76b1.dll
- Size 162KB
- Sample210418-131zpt9zza
- SHA256 a8bb974c8f3c4ae5f9e21b7d3749a77abb0bd06e2da2ded1faa8bcee132d76b1
- MD5 8a6ed4b76b99246cc2450ec7df79cc86
- SHA1 e8932b483ead63f0a4a0a48b752a047dc57f1c41
- SHA512 7ef8313c925cbd03c253443c88de3ee06a9f7db05df1df0d36adec71ed16b0325ec4652aa1d4cc806614d86aac0dc36faca376ed5ddb6bf1d068ac90d234dec2
- 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/616-61-0x00000000750F0000-0x000000007511E000-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 2040 wrote to memory of 616 2040 rundll32.exe 26 PID 2040 wrote to memory of 616 2040 rundll32.exe 26 PID 2040 wrote to memory of 616 2040 rundll32.exe 26 PID 2040 wrote to memory of 616 2040 rundll32.exe 26 PID 2040 wrote to memory of 616 2040 rundll32.exe 26 PID 2040 wrote to memory of 616 2040 rundll32.exe 26 PID 2040 wrote to memory of 616 2040 rundll32.exe 26
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a8bb974c8f3c4ae5f9e21b7d3749a77abb0bd06e2da2ded1faa8bcee132d76b1.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a8bb974c8f3c4ae5f9e21b7d3749a77abb0bd06e2da2ded1faa8bcee132d76b1.dll,#12⤵
- Checks whether UAC is enabled
PID:616
-