Analysis
- max time kernel
30s - max time network
111s - platform
windows10_x64 - resource
win10v20210408 - submitted
05/05/2021, 21:01
Static task
static1
Behavioral task
behavioral1
Sample
f80c0740_by_Libranalysis.dll
Resource
win7v20210410
0 signatures
0 seconds
General
- Target f80c0740_by_Libranalysis.dll
- Size 162KB
- Sample210505-ehfjs3j5m2
- SHA256 19dc3705bb9fdea6ce325c01bbbfc55ffeaf3858f884b77937caa23b36f3f6da
- MD5 f80c074023039a3aac8beeab41d3e575
- SHA1 d0e9d5bc2d62be65e1b810804ed4a003252ae1c5
- SHA512 a6d147b4ef4a253aa14432a717f3e21eff3766aba26c46e475b728cb6e204626f110f804b6e70b056cd791583532b44c23e63e8e8cfdb4d92a5b3c714b518163
- 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 behavioral2/memory/4908-115-0x0000000073880000-0x00000000738AE000-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 4808 wrote to memory of 4908 4808 rundll32.exe 69 PID 4808 wrote to memory of 4908 4808 rundll32.exe 69 PID 4808 wrote to memory of 4908 4808 rundll32.exe 69
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f80c0740_by_Libranalysis.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4808 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f80c0740_by_Libranalysis.dll,#12⤵
- Checks whether UAC is enabled
PID:4908
-