Analysis
- max time kernel
39s - max time network
135s - platform
windows10_x64 - resource
win10v20210408 - submitted
16/04/2021, 08:35
Static task
static1
Behavioral task
behavioral1
Sample
a1841bc70f6e47170e0f62900dfaca44d525966cb561005aa7aab92dab20d13d.dll
Resource
win7v20210410
0 signatures
0 seconds
General
- Target a1841bc70f6e47170e0f62900dfaca44d525966cb561005aa7aab92dab20d13d.dll
- Size 162KB
- Sample210416-hrtrmkhrax
- SHA256 a1841bc70f6e47170e0f62900dfaca44d525966cb561005aa7aab92dab20d13d
- MD5 c3094465522a646c1638b6ed7f29221c
- SHA1 2d369c843e6dc19dab56aa515c40b62461ba4e38
- SHA512 cb372bc2ca2a515dabb3f8d1208757bd6de746f74e98bb1c24154870b440fb4956b8df477a32dc08ca0749a8df6c4c8b279eef51804708f7daca58d00a6ec0e0
- 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/1172-115-0x0000000074310000-0x000000007433E000-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 800 wrote to memory of 1172 800 rundll32.exe 69 PID 800 wrote to memory of 1172 800 rundll32.exe 69 PID 800 wrote to memory of 1172 800 rundll32.exe 69
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a1841bc70f6e47170e0f62900dfaca44d525966cb561005aa7aab92dab20d13d.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:800 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a1841bc70f6e47170e0f62900dfaca44d525966cb561005aa7aab92dab20d13d.dll,#12⤵
- Checks whether UAC is enabled
PID:1172
-