Analysis
- max time kernel
25s - max time network
9s - platform
windows7_x64 - resource
win7v20210410 - submitted
07/05/2021, 20:01
Static task
static1
Behavioral task
behavioral1
Sample
3cdb1b9a_by_Libranalysis.dll
Resource
win7v20210410
0 signatures
0 seconds
General
- Target 3cdb1b9a_by_Libranalysis.dll
- Size 162KB
- Sample210507-xtcy63jdmn
- SHA256 f137f9db28d0122694fc8a4d31632707db8711fd04d2b367e9a8c974c77f811e
- MD5 3cdb1b9a237eaeaca210e4fddc09bf70
- SHA1 d1d43bccef7e81f6d8d7a3cdfcde5e1b2ba1d862
- SHA512 08cdd2b577bb7a40442760e801d735575a45360d60bbce73dd444bf0bb0c0324c987dbe14478fa91f2afd9cb2b3b2114a3f1ed7e522a766d397adb4ca43d9bee
- 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/2008-62-0x0000000074530000-0x000000007455E000-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 1816 wrote to memory of 2008 1816 rundll32.exe 26 PID 1816 wrote to memory of 2008 1816 rundll32.exe 26 PID 1816 wrote to memory of 2008 1816 rundll32.exe 26 PID 1816 wrote to memory of 2008 1816 rundll32.exe 26 PID 1816 wrote to memory of 2008 1816 rundll32.exe 26 PID 1816 wrote to memory of 2008 1816 rundll32.exe 26 PID 1816 wrote to memory of 2008 1816 rundll32.exe 26
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3cdb1b9a_by_Libranalysis.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1816 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3cdb1b9a_by_Libranalysis.dll,#12⤵
- Checks whether UAC is enabled
PID:2008
-