Analysis
-
max time kernel
124s -
max time network
141s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
21-05-2022 17:39
Behavioral task
behavioral1
Sample
af8ba3c27b87df2af4a301ab2ed77b4308a3f520333a0d9349f2b45573466654.xls
Resource
win10-20220414-en
General
-
Target
af8ba3c27b87df2af4a301ab2ed77b4308a3f520333a0d9349f2b45573466654.xls
-
Size
40KB
-
MD5
155a7a435f22d6a31d246cf6da05b0f7
-
SHA1
305bd76802b835c5da2de320bb96e9b96bf9b306
-
SHA256
af8ba3c27b87df2af4a301ab2ed77b4308a3f520333a0d9349f2b45573466654
-
SHA512
86f51a1c636b35e6e89aae3617a852ee76aaa2ce90b76a99e071a973fe7a3db07383aa87d448c556cb75c451398c28d43ca4e487f8c9b83aa304d47920b2f6f3
Malware Config
Extracted
http://jimlowry.com/9tag/Mv2ZYY61NBOf8/
http://stainedglassexpress.com/classes/veV/
https://n-process.jp/base/HPH/
http://www.4-hzim.org.zw/language/anCpC49vTB4/
http://salledemode.com/tgroup.ge/6USqthYYyIPw4V/
http://poiterdesign.eu/huur/nc/
Signatures
-
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 4656 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
EXCEL.EXEpid process 4656 EXCEL.EXE 4656 EXCEL.EXE 4656 EXCEL.EXE 4656 EXCEL.EXE 4656 EXCEL.EXE 4656 EXCEL.EXE 4656 EXCEL.EXE 4656 EXCEL.EXE
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\af8ba3c27b87df2af4a301ab2ed77b4308a3f520333a0d9349f2b45573466654.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/4656-114-0x00007FFE6B3E0000-0x00007FFE6B3F0000-memory.dmpFilesize
64KB
-
memory/4656-115-0x00007FFE6B3E0000-0x00007FFE6B3F0000-memory.dmpFilesize
64KB
-
memory/4656-116-0x00007FFE6B3E0000-0x00007FFE6B3F0000-memory.dmpFilesize
64KB
-
memory/4656-117-0x00007FFE6B3E0000-0x00007FFE6B3F0000-memory.dmpFilesize
64KB
-
memory/4656-126-0x00007FFE684F0000-0x00007FFE68500000-memory.dmpFilesize
64KB
-
memory/4656-127-0x00007FFE684F0000-0x00007FFE68500000-memory.dmpFilesize
64KB
-
memory/4656-294-0x00007FFE6B3E0000-0x00007FFE6B3F0000-memory.dmpFilesize
64KB
-
memory/4656-295-0x00007FFE6B3E0000-0x00007FFE6B3F0000-memory.dmpFilesize
64KB
-
memory/4656-296-0x00007FFE6B3E0000-0x00007FFE6B3F0000-memory.dmpFilesize
64KB
-
memory/4656-297-0x00007FFE6B3E0000-0x00007FFE6B3F0000-memory.dmpFilesize
64KB