Analysis
- max time kernel
61s - max time network
110s - platform
windows10_x64 - resource
win10v20201028 - submitted
17/03/2021, 21:00
Static task
static1
Behavioral task
behavioral1
Sample
5aa6c291a37489f03fa2c55650e4aa4200d7a5dda2fe0cdb20695e6a264064d9.dll
Resource
win7v20201028
0 signatures
0 seconds
General
- Target 5aa6c291a37489f03fa2c55650e4aa4200d7a5dda2fe0cdb20695e6a264064d9.dll
- Size 208KB
- Sample210317-cfb5fkkmpx
- SHA256 5aa6c291a37489f03fa2c55650e4aa4200d7a5dda2fe0cdb20695e6a264064d9
- MD5 bcf9b54b4fc8b7811f2411c4a88c4b22
- SHA1 70766fcc6706e83d314a6b885b37bdb4b9558982
- SHA512 4d074a604cb4c8f559dccb1aa18bd228a7f9eec11413f28225612f9f89e605e9e70e9c34fa815423d3b1b50899a4fb8f7d0a32c1451ee5e04f333d18dd49cd35
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
dridex
Botnet
-
111
C2
-
77.220.64.137:443
-
66.228.134.180:6601
-
199.204.214.26:7073
rc4.plain
rc4.plain
Signatures
-
resource yara_rule behavioral2/memory/4008-3-0x0000000073C80000-0x0000000073CB6000-memory.dmp dridex_ldr behavioral2/memory/4008-5-0x0000000073C80000-0x0000000073CA1000-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 4052 wrote to memory of 4008 4052 rundll32.exe 69 PID 4052 wrote to memory of 4008 4052 rundll32.exe 69 PID 4052 wrote to memory of 4008 4052 rundll32.exe 69
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5aa6c291a37489f03fa2c55650e4aa4200d7a5dda2fe0cdb20695e6a264064d9.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4052 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5aa6c291a37489f03fa2c55650e4aa4200d7a5dda2fe0cdb20695e6a264064d9.dll,#12⤵
- Checks whether UAC is enabled
PID:4008
-