Analysis
- max time kernel
28s - max time network
9s - platform
windows7_x64 - resource
win7v20210408 - submitted
03/05/2021, 00:02
Static task
static1
Behavioral task
behavioral1
Sample
327a386f_by_Libranalysis.dll
Resource
win7v20210408
0 signatures
0 seconds
General
- Target 327a386f_by_Libranalysis.dll
- Size 162KB
- Sample210503-c7slp9end6
- SHA256 70644f4fc9c5f2ca017badd38e426475e60cc5b609602cfeee9f1f282c67668a
- MD5 327a386f50ea08673ad19adecc2c9af3
- SHA1 7870a5b2e3c9a15ff511761debba3c4559caa946
- SHA512 57d90a4885e2905461ef89e667dc8f0ace3b9c4da0a970f225a8bb07f59ca822c4c6082ce2f15256fd618fa8c05942b69be5b0a560896c96d06b23948b3ecf4e
- 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/1928-62-0x0000000074890000-0x00000000748BE000-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 684 wrote to memory of 1928 684 rundll32.exe 25 PID 684 wrote to memory of 1928 684 rundll32.exe 25 PID 684 wrote to memory of 1928 684 rundll32.exe 25 PID 684 wrote to memory of 1928 684 rundll32.exe 25 PID 684 wrote to memory of 1928 684 rundll32.exe 25 PID 684 wrote to memory of 1928 684 rundll32.exe 25 PID 684 wrote to memory of 1928 684 rundll32.exe 25
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\327a386f_by_Libranalysis.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:684 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\327a386f_by_Libranalysis.dll,#12⤵
- Checks whether UAC is enabled
PID:1928
-