Analysis
- max time kernel
34s - max time network
12s - platform
windows7_x64 - resource
win7v20210408 - submitted
03/05/2021, 01:02
Static task
static1
Behavioral task
behavioral1
Sample
c35d533f_by_Libranalysis.dll
Resource
win7v20210408
0 signatures
0 seconds
General
- Target c35d533f_by_Libranalysis.dll
- Size 162KB
- Sample210503-lrk9wj4xes
- SHA256 641fbcc49b8c2c7fec4ffc48a02a4919030577645cd7ad00310f1db8d044a0dd
- MD5 c35d533f6038fe036844e9ea4c3315cb
- SHA1 0d708ba0ba27106f9b54ba1a5da51ce0d0288f10
- SHA512 fed0ca61547da8934e50f4247e64c9913ca985792e6050537dd083aec3e25e910482d1dc229431ab0705cccaacabb5c9a540292b1688ca299f0512eb7ec656e0
- 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/2028-62-0x0000000074680000-0x00000000746AE000-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 1652 wrote to memory of 2028 1652 rundll32.exe 25 PID 1652 wrote to memory of 2028 1652 rundll32.exe 25 PID 1652 wrote to memory of 2028 1652 rundll32.exe 25 PID 1652 wrote to memory of 2028 1652 rundll32.exe 25 PID 1652 wrote to memory of 2028 1652 rundll32.exe 25 PID 1652 wrote to memory of 2028 1652 rundll32.exe 25 PID 1652 wrote to memory of 2028 1652 rundll32.exe 25
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c35d533f_by_Libranalysis.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1652 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c35d533f_by_Libranalysis.dll,#12⤵
- Checks whether UAC is enabled
PID:2028
-