Analysis
-
max time kernel
27s -
max time network
114s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
11-06-2021 03:15
Static task
static1
General
-
Target
b5e47790e27c29cd2a5e083563909a367e095e011365cf5ba657251e36790432.dll
-
Size
170KB
-
MD5
f0fc2d8a1e5b4117087bc0391085503f
-
SHA1
def0cbe79338251707ca2926b8b0d2f2011fcc5d
-
SHA256
b5e47790e27c29cd2a5e083563909a367e095e011365cf5ba657251e36790432
-
SHA512
e3f2fc2529e2502a5e16ec5598cc9d3d57f86b82d4eb2b25ea4c20b1c5a7566bca71ef6d6900a33cfba6ab022a9e6a409d5c479df17c4d22826fa51ab6b50268
Malware Config
Extracted
Family
dridex
Botnet
22201
C2
210.65.244.187:443
162.241.41.92:2303
46.231.204.10:8172
185.183.159.100:4125
rc4.plain
rc4.plain
Signatures
-
Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
Processes:
WerFault.exedescription pid process target process PID 2300 created 1252 2300 WerFault.exe rundll32.exe -
Processes:
resource yara_rule behavioral1/memory/1252-115-0x0000000074300000-0x000000007432F000-memory.dmp dridex_ldr -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2300 1252 WerFault.exe rundll32.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
WerFault.exepid process 2300 WerFault.exe 2300 WerFault.exe 2300 WerFault.exe 2300 WerFault.exe 2300 WerFault.exe 2300 WerFault.exe 2300 WerFault.exe 2300 WerFault.exe 2300 WerFault.exe 2300 WerFault.exe 2300 WerFault.exe 2300 WerFault.exe 2300 WerFault.exe 2300 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
WerFault.exedescription pid process Token: SeRestorePrivilege 2300 WerFault.exe Token: SeBackupPrivilege 2300 WerFault.exe Token: SeDebugPrivilege 2300 WerFault.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 624 wrote to memory of 1252 624 rundll32.exe rundll32.exe PID 624 wrote to memory of 1252 624 rundll32.exe rundll32.exe PID 624 wrote to memory of 1252 624 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b5e47790e27c29cd2a5e083563909a367e095e011365cf5ba657251e36790432.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b5e47790e27c29cd2a5e083563909a367e095e011365cf5ba657251e36790432.dll,#12⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1252 -s 6483⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken