Analysis
-
max time kernel
149s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20-11-2024 20:28
Behavioral task
behavioral1
Sample
49c60283a0e9745f91e6d038f677a1bf846239979736a5443782814efbb346b9.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
49c60283a0e9745f91e6d038f677a1bf846239979736a5443782814efbb346b9.xls
Resource
win10v2004-20241007-en
General
-
Target
49c60283a0e9745f91e6d038f677a1bf846239979736a5443782814efbb346b9.xls
-
Size
77KB
-
MD5
65b100380b8b0a32a6522d977ad18d98
-
SHA1
f15890e513dd27936e0a95f98ae34a3750fc6c51
-
SHA256
49c60283a0e9745f91e6d038f677a1bf846239979736a5443782814efbb346b9
-
SHA512
a84cbb0b38dd629c8243966df87f25cdf0b1db51735cde964926786a4c8236d6a7fe8c78d50d4ab9410566fab23816e88b01c178907233aacc676fc44098c4f3
-
SSDEEP
1536:ZSKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgTk+hD8nTLqQrRrZws8Etr:gKpb8rGYrMPe3q7Q0XV5xtezEsi8/dga
Malware Config
Extracted
https://microlent.com/admin/kM442bdMLLMQ1qJe5/
https://neoexc.com/cgi-bin/srN0xYgm/
http://ong-hananel.org/PAQUES/bPiA2l6foj7kjN/
Signatures
-
Process spawned unexpected child process 3 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
regsvr32.exeregsvr32.exeregsvr32.exedescription pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3352 4192 regsvr32.exe 81 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 5032 4192 regsvr32.exe 81 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1476 4192 regsvr32.exe 81 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid Process 4192 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid Process 4192 EXCEL.EXE 4192 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 14 IoCs
Processes:
EXCEL.EXEpid Process 4192 EXCEL.EXE 4192 EXCEL.EXE 4192 EXCEL.EXE 4192 EXCEL.EXE 4192 EXCEL.EXE 4192 EXCEL.EXE 4192 EXCEL.EXE 4192 EXCEL.EXE 4192 EXCEL.EXE 4192 EXCEL.EXE 4192 EXCEL.EXE 4192 EXCEL.EXE 4192 EXCEL.EXE 4192 EXCEL.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
EXCEL.EXEdescription pid Process procid_target PID 4192 wrote to memory of 3352 4192 EXCEL.EXE 90 PID 4192 wrote to memory of 3352 4192 EXCEL.EXE 90 PID 4192 wrote to memory of 5032 4192 EXCEL.EXE 91 PID 4192 wrote to memory of 5032 4192 EXCEL.EXE 91 PID 4192 wrote to memory of 1476 4192 EXCEL.EXE 92 PID 4192 wrote to memory of 1476 4192 EXCEL.EXE 92
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\49c60283a0e9745f91e6d038f677a1bf846239979736a5443782814efbb346b9.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4192 -
C:\Windows\SYSTEM32\regsvr32.exeregsvr32 C:\Uduw\soam1.OCX2⤵
- Process spawned unexpected child process
PID:3352
-
-
C:\Windows\SYSTEM32\regsvr32.exeregsvr32 C:\Uduw\soam2.OCX2⤵
- Process spawned unexpected child process
PID:5032
-
-
C:\Windows\SYSTEM32\regsvr32.exeregsvr32 C:\Uduw\soam3.OCX2⤵
- Process spawned unexpected child process
PID:1476
-