Analysis
-
max time kernel
125s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
14-04-2022 05:55
Static task
static1
Behavioral task
behavioral1
Sample
f2e58ee2957e8000552cd12aec3773a0d70f67170f4dffc0b0eb5d4da85077ed.dll
Resource
win7-20220310-en
General
-
Target
f2e58ee2957e8000552cd12aec3773a0d70f67170f4dffc0b0eb5d4da85077ed.dll
-
Size
4.3MB
-
MD5
80ff198cb4385824119be0dbae268a88
-
SHA1
82a0c9d7f9c2ecc22b6ab3c597a6632987b7427f
-
SHA256
f2e58ee2957e8000552cd12aec3773a0d70f67170f4dffc0b0eb5d4da85077ed
-
SHA512
c1a4f761174c8ee038708dcd2c95a5e954c4bc8f1697afd3e007408377e0cd7db5761fc8930081955d743fe77198c62d1f4a5324a481486c4d09ac02053f1829
Malware Config
Signatures
-
Banload
Banload variants download malicious files, then install and execute the files.
-
Detect Numando Payload 6 IoCs
Processes:
resource yara_rule behavioral2/memory/5112-142-0x00000000025C0000-0x0000000003386000-memory.dmp family_numando behavioral2/memory/5112-143-0x00000000025C0000-0x0000000003386000-memory.dmp family_numando behavioral2/memory/5112-144-0x00000000025C0000-0x0000000003386000-memory.dmp family_numando behavioral2/memory/5112-145-0x00000000025C0000-0x0000000003386000-memory.dmp family_numando behavioral2/memory/5112-146-0x00000000025C0000-0x0000000003386000-memory.dmp family_numando behavioral2/memory/5112-147-0x00000000025C1000-0x0000000002887000-memory.dmp family_numando -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
-
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
rundll32.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion rundll32.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4176 5112 WerFault.exe rundll32.exe -
Modifies registry class 5 IoCs
Processes:
rundll32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{40A2826C-82D8-F957-C494-315D7E35F82D} rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{40A2826C-82D8-F957-C494-315D7E35F82D}\ = "CLSID_PeerGroupInvitationXml" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{40A2826C-82D8-F957-C494-315D7E35F82D}\InProcServer32 rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{40A2826C-82D8-F957-C494-315D7E35F82D}\InProcServer32\ = "%SystemRoot%\\SysWow64\\provsvc.dll" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{40A2826C-82D8-F957-C494-315D7E35F82D}\InProcServer32\ThreadingModel = "Both" rundll32.exe -
NTFS ADS 2 IoCs
Processes:
rundll32.exedescription ioc process File created C:\ProgramData\TEMP:4FF5F248 rundll32.exe File opened for modification C:\ProgramData\TEMP:4FF5F248 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
rundll32.exedescription pid process Token: 33 5112 rundll32.exe Token: SeIncBasePriorityPrivilege 5112 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 3100 wrote to memory of 5112 3100 rundll32.exe rundll32.exe PID 3100 wrote to memory of 5112 3100 rundll32.exe rundll32.exe PID 3100 wrote to memory of 5112 3100 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f2e58ee2957e8000552cd12aec3773a0d70f67170f4dffc0b0eb5d4da85077ed.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3100 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f2e58ee2957e8000552cd12aec3773a0d70f67170f4dffc0b0eb5d4da85077ed.dll,#12⤵
- Checks BIOS information in registry
- Modifies registry class
- NTFS ADS
- Suspicious use of AdjustPrivilegeToken
PID:5112 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 10603⤵
- Program crash
PID:4176
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5112 -ip 51121⤵PID:4060