Analysis
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max time kernel
55s -
max time network
45s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
18/03/2025, 21:12
Behavioral task
behavioral1
Sample
9fc9ab72085405111c0613da38febc307a5b6522bdc80148aa24b6cf6efb58a4.xls
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
9fc9ab72085405111c0613da38febc307a5b6522bdc80148aa24b6cf6efb58a4.xls
Resource
win10v2004-20250314-en
General
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Target
9fc9ab72085405111c0613da38febc307a5b6522bdc80148aa24b6cf6efb58a4.xls
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Size
231KB
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MD5
6fc2ce494c726d2c5f336ceaa03d2584
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SHA1
fddecbf75cf406c61285126cff6cd6ab290e09ea
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SHA256
9fc9ab72085405111c0613da38febc307a5b6522bdc80148aa24b6cf6efb58a4
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SHA512
5c73880d370360416cf5b60d11c6f82751a2d7cea041e8edc71823dc417f61b5d1393071639dc9fe099eba8c23941cf180cadba90bc003c47a97484f956bfa09
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SSDEEP
6144:4Kpb8rGYrMPe3q7Q0XV5xtuEsi8/dgJ2IS7FgiJsJ4BR5043yVuBCMmnqLsCv:OzGiK4504Sy/mnqoCv
Malware Config
Extracted
http://188.127.235.244/45734.8835635417.dat
http://193.38.54.244/45734.8835635417.dat
http://185.82.217.213/45734.8835635417.dat
http://45734.8835635417.dat
Signatures
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Process spawned unexpected child process 3 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 5856 232 Rundll32.exe 85 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1004 232 Rundll32.exe 85 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1084 232 Rundll32.exe 85 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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
description 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
pid Process 232 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 16 IoCs
pid Process 232 EXCEL.EXE 232 EXCEL.EXE 232 EXCEL.EXE 232 EXCEL.EXE 232 EXCEL.EXE 232 EXCEL.EXE 232 EXCEL.EXE 232 EXCEL.EXE 232 EXCEL.EXE 232 EXCEL.EXE 232 EXCEL.EXE 232 EXCEL.EXE 232 EXCEL.EXE 232 EXCEL.EXE 232 EXCEL.EXE 232 EXCEL.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 232 wrote to memory of 5856 232 EXCEL.EXE 93 PID 232 wrote to memory of 5856 232 EXCEL.EXE 93 PID 232 wrote to memory of 1004 232 EXCEL.EXE 94 PID 232 wrote to memory of 1004 232 EXCEL.EXE 94 PID 232 wrote to memory of 1084 232 EXCEL.EXE 95 PID 232 wrote to memory of 1084 232 EXCEL.EXE 95
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\9fc9ab72085405111c0613da38febc307a5b6522bdc80148aa24b6cf6efb58a4.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:232 -
C:\Windows\SYSTEM32\Rundll32.exeRundll32 ..\Kiod.hod,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:5856
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C:\Windows\SYSTEM32\Rundll32.exeRundll32 ..\Kiod.hod1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1004
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C:\Windows\SYSTEM32\Rundll32.exeRundll32 ..\Kiod.hod2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1084
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize1KB
MD583523e57af8b6bca69ab456f9fe55a8d
SHA174d23ef2df1dff747f3c9e6a0ea5e65128177ab9
SHA256c00a5205d34594d0f7b8b48cfd5c6796640be1b58d0db8841be5b8ab253ac0a9
SHA512e3509a49b3bd81b86acf5a556d8d672932aa681bb24b132ce094859e5e8aabb1598b5d62e558cdd7a27e3d1f15bb5d81587705ac2e435b9273c6dec056318d4f