Analysis
- max time kernel
33s - max time network
23s - platform
windows7_x64 - resource
win7v20210408 - submitted
03/05/2021, 16:14
Static task
static1
Behavioral task
behavioral1
Sample
3b2ccdc4_by_Libranalysis.dll
Resource
win7v20210408
0 signatures
0 seconds
General
- Target 3b2ccdc4_by_Libranalysis.dll
- Size 158KB
- Sample210503-9psdr6anzj
- SHA256 bc0254bb6e7a9a3fc394b95a50e6eb1b8471edad93faa0b216ff7409fc9be284
- MD5 3b2ccdc4c3494742fbb9edbf18bb0cab
- SHA1 6b6c8790ba5c23d351c7e6c401bf86142619c04c
- SHA512 44cfbad1abd905a4443793c871105466a937daa4c9f56d24a2b72d0f3eaaa31edbd0615f55fc4f1e4bd3d43f4e2d831f0dd3382b76f034733c3946c35af2bbd6
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
dridex
Botnet
-
40111
C2
-
8.210.53.215:443
-
72.249.22.245:2303
-
188.40.137.206:8172
rc4.plain
rc4.plain
Signatures
-
resource yara_rule behavioral1/memory/1164-62-0x0000000074510000-0x000000007453D000-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 1840 wrote to memory of 1164 1840 rundll32.exe 25 PID 1840 wrote to memory of 1164 1840 rundll32.exe 25 PID 1840 wrote to memory of 1164 1840 rundll32.exe 25 PID 1840 wrote to memory of 1164 1840 rundll32.exe 25 PID 1840 wrote to memory of 1164 1840 rundll32.exe 25 PID 1840 wrote to memory of 1164 1840 rundll32.exe 25 PID 1840 wrote to memory of 1164 1840 rundll32.exe 25
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3b2ccdc4_by_Libranalysis.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1840 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3b2ccdc4_by_Libranalysis.dll,#12⤵
- Checks whether UAC is enabled
PID:1164
-