Analysis
- max time kernel
107s - max time network
106s - platform
windows7_x64 - resource
win7v20210410 - submitted
16/04/2021, 14:54
Static task
static1
Behavioral task
behavioral1
Sample
821f9cd61f08eb92f9ceb353b50e3ccdb8fb4e02b385043aa34cd283b92b0d91.dll
Resource
win7v20210410
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
821f9cd61f08eb92f9ceb353b50e3ccdb8fb4e02b385043aa34cd283b92b0d91.dll
Resource
win10v20210410
0 signatures
0 seconds
General
- Target 821f9cd61f08eb92f9ceb353b50e3ccdb8fb4e02b385043aa34cd283b92b0d91.dll
- Size 162KB
- Sample210416-e6851msq5s
- SHA256 821f9cd61f08eb92f9ceb353b50e3ccdb8fb4e02b385043aa34cd283b92b0d91
- MD5 013ac5d3238d8617632d561a190da6d7
- SHA1 0bd5e5af3201882658c9f0173aadb9d6649e9475
- SHA512 ba0361c3e53d8a2ad3a14b2fd295abffe5ef5390cd41c699a9e982c21f7a9137c65218196c24ce40cce4165c12556cbad760f7bf1f2af6a5007c989d9e473c02
- 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/2044-61-0x0000000074890000-0x00000000748BE000-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 1040 wrote to memory of 2044 1040 rundll32.exe 25 PID 1040 wrote to memory of 2044 1040 rundll32.exe 25 PID 1040 wrote to memory of 2044 1040 rundll32.exe 25 PID 1040 wrote to memory of 2044 1040 rundll32.exe 25 PID 1040 wrote to memory of 2044 1040 rundll32.exe 25 PID 1040 wrote to memory of 2044 1040 rundll32.exe 25 PID 1040 wrote to memory of 2044 1040 rundll32.exe 25
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\821f9cd61f08eb92f9ceb353b50e3ccdb8fb4e02b385043aa34cd283b92b0d91.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1040 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\821f9cd61f08eb92f9ceb353b50e3ccdb8fb4e02b385043aa34cd283b92b0d91.dll,#12⤵
- Checks whether UAC is enabled
PID:2044
-