Analysis
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max time kernel
148s -
max time network
150s -
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 22:58
Behavioral task
behavioral1
Sample
b50eaa50357d4bda749c1b5e44d10346fc0db2732963379065cd6e0fbc71cb9b.xlsm
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b50eaa50357d4bda749c1b5e44d10346fc0db2732963379065cd6e0fbc71cb9b.xlsm
Resource
win10v2004-20241007-en
General
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Target
b50eaa50357d4bda749c1b5e44d10346fc0db2732963379065cd6e0fbc71cb9b.xlsm
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Size
21KB
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MD5
a30b1573c6fd63a4c165a51f5666f4e4
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SHA1
999eaf748ee0f7cbcd79630358d71f2acaad07ed
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SHA256
b50eaa50357d4bda749c1b5e44d10346fc0db2732963379065cd6e0fbc71cb9b
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SHA512
849d51540ae2a32935af0261efcde3d0978e1558f8e7f6628f1b7f62b05d6927bf3fe432d4e70ab4fd8789aecc27799c428728e8eaeb506f11739e0aeb306f8a
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SSDEEP
384:z3uAi/NjIVRS8EibbwBlw75SYrLb5CzgObff9kC+xbX74eII:XsNs/zXtFCBn9kC+xbL42
Malware Config
Extracted
https://www.almoeqatar.com/cgi-bin/3g/
http://www.ayelet.info/wp-admin/oHRoG0X9ubuNtQ/
http://www.lavameapp.com.ar/slide-images/7bzQevDGMld/
http://lista33rivera.uy/wp-content/jiBtjSaJMcM/
http://cenaf.com.co/error/TpewL/
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 2856 4724 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 4724 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4724 EXCEL.EXE 4724 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4724 EXCEL.EXE 4724 EXCEL.EXE 4724 EXCEL.EXE 4724 EXCEL.EXE 4724 EXCEL.EXE 4724 EXCEL.EXE 4724 EXCEL.EXE 4724 EXCEL.EXE 4724 EXCEL.EXE 4724 EXCEL.EXE 4724 EXCEL.EXE 4724 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4724 wrote to memory of 2856 4724 EXCEL.EXE 93 PID 4724 wrote to memory of 2856 4724 EXCEL.EXE 93 PID 4724 wrote to memory of 2856 4724 EXCEL.EXE 93
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\b50eaa50357d4bda749c1b5e44d10346fc0db2732963379065cd6e0fbc71cb9b.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:4724 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\rfs.dll2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2856
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
5B
MD55bfa51f3a417b98e7443eca90fc94703
SHA18c015d80b8a23f780bdd215dc842b0f5551f63bd
SHA256bebe2853a3485d1c2e5c5be4249183e0ddaff9f87de71652371700a89d937128
SHA5124cd03686254bb28754cbaa635ae1264723e2be80ce1dd0f78d1ab7aee72232f5b285f79e488e9c5c49ff343015bd07bb8433d6cee08ae3cea8c317303e3ac399
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize1KB
MD54da509f18fbdfdd2440ae50837c9a5eb
SHA1346045e427ad0db0de4cd504f0d7f5f0c90e10cb
SHA256874b0cd1298cb65bb403e3157f4b276ff0a970cbaf3a7c3963800f968f2da775
SHA5124e8f8b7452ba1dceddb07ac0a26e3b791a1f2714272f3b619a0398b15e4f765e5c200c15e0707fd0ffb2a55ecce500a1825fb6a04b588e49ee1f1215160208cf
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Filesize
3KB
MD58713dd892ec0930f713e13141920c5ad
SHA1a3e081efb5b6c974622ac191f8412f8b4f995b6e
SHA256cfd81c97ae0c2d0a50e698d7dd7b5f7aa323ce219c7c56ab49bbab85bab2d0fb
SHA5121c76c7e9b5d4fd7f354f3c727ccbd5ee93c94cecb0654e7af757d5eb9992fa186cd03c4915cf1f8b5d1b3ab9461ddb01b51da3b0f7bea6411314ecd962306a4f