Analysis
- max time kernel
49s - max time network
71s - platform
windows10_x64 - resource
win10v20210408 - submitted
24/05/2021, 17:02
Static task
static1
Behavioral task
behavioral1
Sample
dec39fa8_by_Libranalysis.dll
Resource
win7v20210410
0 signatures
0 seconds
General
- Target dec39fa8_by_Libranalysis.dll
- Size 162KB
- Sample210524-mdlsa2l4xj
- SHA256 caf96994eb625bcd2f1ff31de5eaa9bb8b3a710da773101bcce0d6d7b59015ee
- MD5 dec39fa86347b094185c3b460bc6059b
- SHA1 f6acf058ea501dc00cdbb7c81a3fd1915cccfb5d
- SHA512 1312f6bbc10cf0f2c32a9b01ebf0e3780500529a68a45d2b46574976cb404db4035723186d5ccfd9e5132bc9d8a0b78756bc4faabec3a4570d5adc8f786eb0ed
- 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/4860-115-0x0000000073880000-0x00000000738AE000-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 4804 wrote to memory of 4860 4804 rundll32.exe 68 PID 4804 wrote to memory of 4860 4804 rundll32.exe 68 PID 4804 wrote to memory of 4860 4804 rundll32.exe 68
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\dec39fa8_by_Libranalysis.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4804 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\dec39fa8_by_Libranalysis.dll,#12⤵
- Checks whether UAC is enabled
PID:4860
-