Analysis
-
max time kernel
17s -
max time network
135s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
15/06/2021, 15:41
Static task
static1
General
-
Target
f9718c3d766fd43c2cf8fa4dc3a15f00ea4ec9fb472af7b1d30ab3be39605ce9.dll
-
Size
172KB
-
MD5
3c3b9cbd229c7434bfcb93c8bec1f42d
-
SHA1
0790efca5c56ca15416e0695cefe404ed72b1e9d
-
SHA256
f9718c3d766fd43c2cf8fa4dc3a15f00ea4ec9fb472af7b1d30ab3be39605ce9
-
SHA512
1a2abfe4797efc18ddcd258cdb5e1ae17e4297f908150452a4a1f75028d44e30d044efba57ef6bff7c3664492ba168ffb92508f6e1fb99beba4581c65e0095f4
Malware Config
Extracted
Family
dridex
Botnet
40112
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
-
resource yara_rule behavioral1/memory/3412-115-0x00000000755E0000-0x0000000075610000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 3860 3412 WerFault.exe 68 -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3860 WerFault.exe 3860 WerFault.exe 3860 WerFault.exe 3860 WerFault.exe 3860 WerFault.exe 3860 WerFault.exe 3860 WerFault.exe 3860 WerFault.exe 3860 WerFault.exe 3860 WerFault.exe 3860 WerFault.exe 3860 WerFault.exe 3860 WerFault.exe 3860 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 3860 WerFault.exe Token: SeBackupPrivilege 3860 WerFault.exe Token: SeDebugPrivilege 3860 WerFault.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4068 wrote to memory of 3412 4068 rundll32.exe 68 PID 4068 wrote to memory of 3412 4068 rundll32.exe 68 PID 4068 wrote to memory of 3412 4068 rundll32.exe 68
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f9718c3d766fd43c2cf8fa4dc3a15f00ea4ec9fb472af7b1d30ab3be39605ce9.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4068 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f9718c3d766fd43c2cf8fa4dc3a15f00ea4ec9fb472af7b1d30ab3be39605ce9.dll,#12⤵PID:3412
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 6923⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3860
-
-