Analysis
- max time kernel
27s - max time network
10s - platform
windows7_x64 - resource
win7v20210408 - submitted
19/04/2021, 07:44
Static task
static1
Behavioral task
behavioral1
Sample
d933b8a528d9dc90058f49928b77c8ff31ce5f529084d7373b3d0541615aa556.dll
Resource
win7v20210408
0 signatures
0 seconds
General
- Target d933b8a528d9dc90058f49928b77c8ff31ce5f529084d7373b3d0541615aa556.dll
- Size 162KB
- Sample210419-d2kfacbzqx
- SHA256 d933b8a528d9dc90058f49928b77c8ff31ce5f529084d7373b3d0541615aa556
- MD5 bc3af147369594e278186d0b55ade33b
- SHA1 07f62b700dae801eb9334afb518db098e80f1661
- SHA512 5e60dc0d8b135ec375eef204f0b3a37bcbbe37acb773b5ece629178877b4332c536e82305566dd91e547d516f43cf7600594852582a6e99302045d6e91915a06
- 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/2036-62-0x00000000746B0000-0x00000000746DE000-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 2036 1652 rundll32.exe 25 PID 1652 wrote to memory of 2036 1652 rundll32.exe 25 PID 1652 wrote to memory of 2036 1652 rundll32.exe 25 PID 1652 wrote to memory of 2036 1652 rundll32.exe 25 PID 1652 wrote to memory of 2036 1652 rundll32.exe 25 PID 1652 wrote to memory of 2036 1652 rundll32.exe 25 PID 1652 wrote to memory of 2036 1652 rundll32.exe 25
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d933b8a528d9dc90058f49928b77c8ff31ce5f529084d7373b3d0541615aa556.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1652 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d933b8a528d9dc90058f49928b77c8ff31ce5f529084d7373b3d0541615aa556.dll,#12⤵
- Checks whether UAC is enabled
PID:2036
-