Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19/11/2024, 18:30
Behavioral task
behavioral1
Sample
b583800cd5e6338eef6736009494c549c0c4e74fa230dd79b9b0533ef0ec80a5.xlsm
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b583800cd5e6338eef6736009494c549c0c4e74fa230dd79b9b0533ef0ec80a5.xlsm
Resource
win10v2004-20241007-en
General
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Target
b583800cd5e6338eef6736009494c549c0c4e74fa230dd79b9b0533ef0ec80a5.xlsm
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Size
73KB
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MD5
99e965dd69fa2baf8086de4be2d98e77
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SHA1
7aee51c72da47a293ce59a85b86f4110fedc8181
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SHA256
b583800cd5e6338eef6736009494c549c0c4e74fa230dd79b9b0533ef0ec80a5
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SHA512
4a5a3a17a1613a8d115ba064eb19713a216c0235ced1d5eec785f6bf7803180e1bad192fbcd4791dda74fdacac150fb8bad130e635cb53a374002bbacca14c9e
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SSDEEP
1536:S41yiXSto0NSVUINwtzLT7OMuuAe0yOcfpXZGsMlV4XG:x1yiCtzSmICpH7OZuvZGsMX
Malware Config
Extracted
https://appleinfoway.com/venv/5Pp/
http://www.atelierkikala.com/Facebook/vXY2sLFfbSSCTh/
http://astrogurusunilbarmola.com/css/ucDJnRTACskNjrZOHr/
http://atters.net/cgi-bin/0yIPlpXo3156/
Signatures
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Process spawned unexpected child process 1 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 3368 1136 regsvr32.exe 82 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe -
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1136 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1136 EXCEL.EXE 1136 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1136 EXCEL.EXE 1136 EXCEL.EXE 1136 EXCEL.EXE 1136 EXCEL.EXE 1136 EXCEL.EXE 1136 EXCEL.EXE 1136 EXCEL.EXE 1136 EXCEL.EXE 1136 EXCEL.EXE 1136 EXCEL.EXE 1136 EXCEL.EXE 1136 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1136 wrote to memory of 3368 1136 EXCEL.EXE 88 PID 1136 wrote to memory of 3368 1136 EXCEL.EXE 88 PID 1136 wrote to memory of 3368 1136 EXCEL.EXE 88
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\b583800cd5e6338eef6736009494c549c0c4e74fa230dd79b9b0533ef0ec80a5.xlsm"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:1136 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\ujg.dll2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:3368
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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
Filesize4KB
MD581ac12b815fb053c4d2630cc3cebbc3f
SHA19bc47d04f35c8d91f5d4e22820d6a74378765323
SHA256e07a1a01382023b054efe2e825c700a84c5962303a0a0836882560946a4fddf3
SHA51283f9664b1bcb63c8ae9d68ce275a5a256b844df6b86c6418d65973fef638b9e4305bdcb956e85d3063b8645c721e9ce547133f0194729cb83741351505a0c3a1
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Filesize
91B
MD513602a959153b8c9b4600e17dc98ebdb
SHA11ac6cd8cd54a7d9a013e7f92be645b275a75243b
SHA2567b5dcf39a3facf8ee0b21a1738d6b652b67768e3321aa848f2d1a5b9f80458c2
SHA512e9bdf50715f9caf53644f3bf4d40e7e31620f00df1e462a9f9c9885f056cdd442cc178c1b5f9f12e5c541199e1e4ca9e06048a9c03413a77276f6ab43b46d923