Analysis
-
max time kernel
40s -
max time network
91s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
11-06-2022 16:51
Static task
static1
Behavioral task
behavioral1
Sample
oKQroZBngWiyjWkkklgbtq.dll
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
General
-
Target
oKQroZBngWiyjWkkklgbtq.dll
-
Size
512KB
-
MD5
3bcd371a9fb45f9f37c70592cb7d3bc7
-
SHA1
11351ba88dd922e810253246754b85500cb56352
-
SHA256
4cfe3f30d028e7cb1eea0ee761b75ed998cd0c6d6ff4f9a802db428d0b9dda39
-
SHA512
7254cf512df7c3e7094525cbe951ec0c9f827966229ee66b418b3edc881c75d446d1adc15e3b6a828b03b19141be1527b7762ccc90c474fe2f7584cc3d622127
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/1940-56-0x0000000074980000-0x0000000074A01000-memory.dmp dridex_ldr -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1320 1940 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 880 wrote to memory of 1940 880 rundll32.exe rundll32.exe PID 880 wrote to memory of 1940 880 rundll32.exe rundll32.exe PID 880 wrote to memory of 1940 880 rundll32.exe rundll32.exe PID 880 wrote to memory of 1940 880 rundll32.exe rundll32.exe PID 880 wrote to memory of 1940 880 rundll32.exe rundll32.exe PID 880 wrote to memory of 1940 880 rundll32.exe rundll32.exe PID 880 wrote to memory of 1940 880 rundll32.exe rundll32.exe PID 1940 wrote to memory of 1320 1940 rundll32.exe WerFault.exe PID 1940 wrote to memory of 1320 1940 rundll32.exe WerFault.exe PID 1940 wrote to memory of 1320 1940 rundll32.exe WerFault.exe PID 1940 wrote to memory of 1320 1940 rundll32.exe WerFault.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\oKQroZBngWiyjWkkklgbtq.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:880 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\oKQroZBngWiyjWkkklgbtq.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1940 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1940 -s 3003⤵
- Program crash
PID:1320
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/1320-58-0x0000000000000000-mapping.dmp
-
memory/1940-54-0x0000000000000000-mapping.dmp
-
memory/1940-55-0x0000000075941000-0x0000000075943000-memory.dmpFilesize
8KB
-
memory/1940-56-0x0000000074980000-0x0000000074A01000-memory.dmpFilesize
516KB
-
memory/1940-59-0x00000000001F0000-0x00000000001F6000-memory.dmpFilesize
24KB