Analysis
-
max time kernel
18s -
max time network
112s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
11-06-2021 03:16
Static task
static1
General
-
Target
b2ca530878324bcac74f0f0acc7794c7ea39e3a82e72a8b3b502e7f107421253.dll
-
Size
174KB
-
MD5
e86e0ed7241dfabdfdb42bba2663927b
-
SHA1
39c7cab06e1fc1d9cf18a2ea7ab02a30e6b4ecd1
-
SHA256
b2ca530878324bcac74f0f0acc7794c7ea39e3a82e72a8b3b502e7f107421253
-
SHA512
46e20c41eedcdfe379f6a787e51edca7e3e14662f6519a42308062b0e9959d5a444ed21073f8425abb4c61d78d0183147c42e6147921c10fef39843f84376f79
Malware Config
Extracted
Family
dridex
Botnet
22201
C2
178.128.220.64:30333
45.79.91.89:9987
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/3764-115-0x00000000742E0000-0x0000000074310000-memory.dmp dridex_ldr -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2608 3764 WerFault.exe rundll32.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
WerFault.exepid process 2608 WerFault.exe 2608 WerFault.exe 2608 WerFault.exe 2608 WerFault.exe 2608 WerFault.exe 2608 WerFault.exe 2608 WerFault.exe 2608 WerFault.exe 2608 WerFault.exe 2608 WerFault.exe 2608 WerFault.exe 2608 WerFault.exe 2608 WerFault.exe 2608 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
WerFault.exedescription pid process Token: SeRestorePrivilege 2608 WerFault.exe Token: SeBackupPrivilege 2608 WerFault.exe Token: SeDebugPrivilege 2608 WerFault.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 4080 wrote to memory of 3764 4080 rundll32.exe rundll32.exe PID 4080 wrote to memory of 3764 4080 rundll32.exe rundll32.exe PID 4080 wrote to memory of 3764 4080 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b2ca530878324bcac74f0f0acc7794c7ea39e3a82e72a8b3b502e7f107421253.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b2ca530878324bcac74f0f0acc7794c7ea39e3a82e72a8b3b502e7f107421253.dll,#12⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3764 -s 6443⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken