Analysis
-
max time kernel
139s -
max time network
163s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
31-07-2022 05:13
Static task
static1
Behavioral task
behavioral1
Sample
IDDNOMAsIvDkkklgbtq.dll
Resource
win7-20220718-en
windows7-x64
4 signatures
150 seconds
General
-
Target
IDDNOMAsIvDkkklgbtq.dll
-
Size
512KB
-
MD5
a8310b450f4be0f4d873d743f4e1b902
-
SHA1
3b07e8955ffd27fb919a095e0d2cb39922b59b2f
-
SHA256
69c083542e53579cfd344f93d7109f13a676adf4d73fa41425b3b0fa1dc702e4
-
SHA512
ccc76c2fb3e7b6271fc1cc47e1d5665709686256be7960c23f0be9e326c19b078f8015585d26f39ae6e37231101b7b44e7ada130dba0047c7990a7c0dbe23537
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 behavioral2/memory/4380-132-0x0000000075760000-0x00000000757E1000-memory.dmp dridex_ldr -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2720 4380 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 2112 wrote to memory of 4380 2112 rundll32.exe rundll32.exe PID 2112 wrote to memory of 4380 2112 rundll32.exe rundll32.exe PID 2112 wrote to memory of 4380 2112 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\IDDNOMAsIvDkkklgbtq.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\IDDNOMAsIvDkkklgbtq.dll,#12⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 6563⤵
- Program crash
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4380 -ip 43801⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/4380-130-0x0000000000000000-mapping.dmp
-
memory/4380-131-0x0000000002560000-0x0000000002566000-memory.dmpFilesize
24KB
-
memory/4380-132-0x0000000075760000-0x00000000757E1000-memory.dmpFilesize
516KB
-
memory/4380-134-0x0000000002560000-0x0000000002566000-memory.dmpFilesize
24KB