Analysis
-
max time kernel
91s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
26-06-2022 05:43
Static task
static1
Behavioral task
behavioral1
Sample
lAEJRQoZtqYkkklgbtq.dll
Resource
win7-20220414-en
0 signatures
0 seconds
General
-
Target
lAEJRQoZtqYkkklgbtq.dll
-
Size
512KB
-
MD5
a687ea0b2be93962b8d30ffc96e7dd67
-
SHA1
ee893e43858207608087f9e09aa51cc1d1cef32b
-
SHA256
2ed4c30203ad5091fac0cb694f5dca3af5a591e0de6a56a0dfb51f20ba82fbc9
-
SHA512
2e6931deaa953065cf9ee488b398a424987777292ec968a4700b08ec7d0b2e96bbc8dde13b57b3c6189f5b1dac9c3dd78905809d9c169c6d3f0c5491cd2bdf71
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/4480-131-0x0000000075630000-0x00000000756B1000-memory.dmp dridex_ldr -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2620 4480 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 4836 wrote to memory of 4480 4836 rundll32.exe rundll32.exe PID 4836 wrote to memory of 4480 4836 rundll32.exe rundll32.exe PID 4836 wrote to memory of 4480 4836 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\lAEJRQoZtqYkkklgbtq.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\lAEJRQoZtqYkkklgbtq.dll,#12⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4480 -s 6523⤵
- Program crash
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4480 -ip 44801⤵