Analysis
- max time kernel
33s - max time network
12s - platform
windows7_x64 - resource
win7v20210410 - submitted
06/05/2021, 02:02
Static task
static1
Behavioral task
behavioral1
Sample
b0f20f75_by_Libranalysis.dll
Resource
win7v20210410
0 signatures
0 seconds
General
- Target b0f20f75_by_Libranalysis.dll
- Size 162KB
- Sample210506-bebb1ktm4x
- SHA256 9258e2d77caf7e8e6917904cab2d85fb37f52ca5a6794419e0f5e1b2f0d00dca
- MD5 b0f20f75dc63497d45b45fbf68c80389
- SHA1 c5733ad02f2e9266b8d769e5524ac16cf1c71b67
- SHA512 62b17064d6ed9e99afc70fec30fe82da56885fd06dd68756b13f9d28a444a195ebd8dc3f29ac6b502848b8cde52341594ab9e5c15a1ee33c3369c556250a3ed7
- 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/2020-61-0x0000000074920000-0x000000007494E000-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 1856 wrote to memory of 2020 1856 rundll32.exe 26 PID 1856 wrote to memory of 2020 1856 rundll32.exe 26 PID 1856 wrote to memory of 2020 1856 rundll32.exe 26 PID 1856 wrote to memory of 2020 1856 rundll32.exe 26 PID 1856 wrote to memory of 2020 1856 rundll32.exe 26 PID 1856 wrote to memory of 2020 1856 rundll32.exe 26 PID 1856 wrote to memory of 2020 1856 rundll32.exe 26
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b0f20f75_by_Libranalysis.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1856 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b0f20f75_by_Libranalysis.dll,#12⤵
- Checks whether UAC is enabled
PID:2020
-