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Analysis
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max time kernel
88s -
max time network
103s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
25/08/2024, 06:54
General
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Target
8f503a109e77031961be0c791f41c6e0N.exe
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Size
2.6MB
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MD5
8f503a109e77031961be0c791f41c6e0
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SHA1
322e56e5abd3b3f27cbe5d0ae322c9d408a18e78
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SHA256
c010f5ae0c0614c2077f6f346cc82d850b837aa743ecb62eac197ee7e8964f7b
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SHA512
86d64819b112a56a1997f48d043e7fc802fd975d935e19538d6799b2c11321486f5370a10351d305e1040f234435657720ecfd61a408121d884b627f38b87075
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SSDEEP
49152:WXzhpDtKSK1cb8PGK+Tfuqmpc3elWo8GnQAsYZEVu:WXzhW148Pd+Tf1mpcOldJQ3/Vu
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs
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Checks BIOS information in registry 2 TTPs 10 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Executes dropped EXE 4 IoCs
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Themida packer 17 IoCs
Detects Themida, an advanced Windows software protection system.
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Adds Run key to start application 2 TTPs 4 IoCs
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Checks whether UAC is enabled 1 TTPs 5 IoCs
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Drops file in System32 directory 2 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
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Drops file in Windows directory 4 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: GetForegroundWindowSpam 2 IoCs
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Suspicious use of SetWindowsHookEx 10 IoCs
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Suspicious use of WriteProcessMemory 12 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\8f503a109e77031961be0c791f41c6e0N.exe"C:\Users\Admin\AppData\Local\Temp\8f503a109e77031961be0c791f41c6e0N.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\themes\explorer.exec:\windows\resources\themes\explorer.exe2⤵
- Modifies visiblity of hidden/system files in Explorer
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe SE3⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\svchost.exec:\windows\resources\svchost.exe4⤵
- Modifies visiblity of hidden/system files in Explorer
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe PR5⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Virtualization/Sandbox Evasion
1Replay Monitor
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Downloads
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Filesize
2.6MB
MD590bf797c3b8f0c792d94a596de1f3e81
SHA15ed28f7bfc0797fade17c58007734fb0a32f4f93
SHA256802edb309045bf54152cb6ddbde5243e68956d8dfb4824d79eb5dc13f6c5a406
SHA5123056a08cbad7b5e0239b1d8c63b9009481e1a6d1c8ae79ac3417530097c4d6d8ce2b0ceb107862cc63cc5a594a55fec8095fff0bd82af4eb6d99c2081239d7a1
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Filesize
2.6MB
MD574fd9b27610f5ab939c0dcb08465ecf7
SHA187ac174c42f15391af872dc55d779d66982d5263
SHA256450c55824d71e2b0120a89f613134256c13b6537c985dd8f8ae5b553e13876a5
SHA512b6875a3f6ac182614c0f7f3e93eb39ddb5164c7c103548edb7e65796c93d5c327a3b90ee64610992f41d89696af38b187fbe277d8b566303baa4121fb97d1623
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Filesize
2.6MB
MD50054f72da6b958ee21f50443a679572f
SHA1fc25d51acdf60b50ac4f924c433847aa554cdbbf
SHA25661651c9157f7fd14e9d3cef44e43d8a4b04b4861fda7485c87db1920c852d838
SHA512adf4c096351602296f760915ecf5293d47d269bc0f628547cdb70c41124d7f994cb90dd6197ddb50803d64905f54bae761e8cbc7331ab84481b7de7d3d0eb59e
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Filesize
6.1MB
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Filesize
8KB
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Filesize
6.1MB
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Filesize
6.1MB
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Filesize
6.1MB
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Filesize
6.1MB
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Filesize
6.1MB
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Filesize
6.1MB
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Filesize
6.1MB
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Filesize
6.1MB
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Filesize
6.1MB
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Filesize
6.1MB
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Filesize
6.1MB
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Filesize
6.1MB
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Filesize
6.1MB