Analysis
-
max time kernel
37s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
11-06-2022 16:39
Static task
static1
Behavioral task
behavioral1
Sample
IDCRnINaaEmumCkkklgbtq.dll
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
General
-
Target
IDCRnINaaEmumCkkklgbtq.dll
-
Size
512KB
-
MD5
915aafdf0d410067666248efe8df8fcf
-
SHA1
744b92941284e1164b608235b19c8f07f9dc6819
-
SHA256
c5d21d0bab87488027c50dfe072831c77ff7c12f1c8bc0e5e6e3669a90c96ac3
-
SHA512
93748ff5ff761150b4b32285515a6f7dea0bfe917c9a85e55849474b8b2392eff0e66d3c02395b3c4e4d77ed61aab00e9c0ff2b6bf09ceb99413f123becfed2c
Malware Config
Extracted
Family
dridex
Botnet
22203
C2
51.159.52.196:443
134.209.247.135:6602
194.233.68.48:5228
89.31.56.58:593
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/1364-57-0x0000000074C30000-0x0000000074CB1000-memory.dmp dridex_ldr -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1164 1364 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1392 wrote to memory of 1364 1392 rundll32.exe rundll32.exe PID 1392 wrote to memory of 1364 1392 rundll32.exe rundll32.exe PID 1392 wrote to memory of 1364 1392 rundll32.exe rundll32.exe PID 1392 wrote to memory of 1364 1392 rundll32.exe rundll32.exe PID 1392 wrote to memory of 1364 1392 rundll32.exe rundll32.exe PID 1392 wrote to memory of 1364 1392 rundll32.exe rundll32.exe PID 1392 wrote to memory of 1364 1392 rundll32.exe rundll32.exe PID 1364 wrote to memory of 1164 1364 rundll32.exe WerFault.exe PID 1364 wrote to memory of 1164 1364 rundll32.exe WerFault.exe PID 1364 wrote to memory of 1164 1364 rundll32.exe WerFault.exe PID 1364 wrote to memory of 1164 1364 rundll32.exe WerFault.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\IDCRnINaaEmumCkkklgbtq.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1392 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\IDCRnINaaEmumCkkklgbtq.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1364 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1364 -s 3003⤵
- Program crash
PID:1164