Analysis
- max time kernel
39s - max time network
12s - platform
windows7_x64 - resource
win7v20210408 - submitted
04/05/2021, 09:02
Static task
static1
Behavioral task
behavioral1
Sample
a7640ca7_by_Libranalysis.dll
Resource
win7v20210408
0 signatures
0 seconds
General
- Target a7640ca7_by_Libranalysis.dll
- Size 162KB
- Sample210504-ff1yr6beda
- SHA256 edf4dc19e4d3df063b1e0fe90b338aee7966d000392bb906a53006acb174900e
- MD5 a7640ca7b4a48c8a291820e04fc81a9d
- SHA1 72f8638f3d56dbed9b6d281303b1c52ff2f0449a
- SHA512 6e63eccc525ed5004d63e41fa4549ab4bb5f252a2592c31bf9272a6d75138c2e3b74e7f4b94cf48a22aa1e207fb05fd62bd1370660eecec18c6071445ab3cfa5
- 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/1068-62-0x0000000074680000-0x00000000746AE000-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 1068 1652 rundll32.exe 25 PID 1652 wrote to memory of 1068 1652 rundll32.exe 25 PID 1652 wrote to memory of 1068 1652 rundll32.exe 25 PID 1652 wrote to memory of 1068 1652 rundll32.exe 25 PID 1652 wrote to memory of 1068 1652 rundll32.exe 25 PID 1652 wrote to memory of 1068 1652 rundll32.exe 25 PID 1652 wrote to memory of 1068 1652 rundll32.exe 25
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a7640ca7_by_Libranalysis.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1652 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a7640ca7_by_Libranalysis.dll,#12⤵
- Checks whether UAC is enabled
PID:1068
-