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Analysis
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max time kernel
120s -
max time network
93s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
12/09/2024, 22:45
General
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Target
a04537c8928883ec8cf9f3ed9890b120N.exe
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Size
2.6MB
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MD5
a04537c8928883ec8cf9f3ed9890b120
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SHA1
8081424a63548f6c4e489b0bdd6f62010363b4e8
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SHA256
12d27fc722e34327a41d5da56a159fb2998e7cc679efe3143a4cae04162bb02b
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SHA512
f04b128681fa279cc3334c8203f52c953c995265876d0652d42d1e452611b43f8109bb66b3d3ef703f6a7e7b87461bd11e1f6b708e3f432c1694c9ed7ae568fa
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SSDEEP
49152:WXzhpDtKSK1cb8PGK+Tfuqmpc3elWo8GnQAsYZEVA:WXzhW148Pd+Tf1mpcOldJQ3/VA
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\a04537c8928883ec8cf9f3ed9890b120N.exe"C:\Users\Admin\AppData\Local\Temp\a04537c8928883ec8cf9f3ed9890b120N.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
MD5e21333bdddf5f93412432aef4834537a
SHA1b64257f1a75dc45d0255bd1485930c8815c23f4e
SHA25615aa7e1f9236b4ae23b4f8f920e32d3a728f499e548848f66033173472b60c52
SHA51223980ee3907f162c8db3f5cd8490732618e312622c446275a40c625116fb07a806affa3afe12cf31b3fba86cba43a4b0ff5df0b393b36821673f8f685a573be1
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Filesize
2.6MB
MD58351b4ea443a2e3cc7e421536876a16d
SHA126b920b0e0dc13da9293bfd5078ae69a2abbc6df
SHA256ab1d5cf0ccb3a090ad0e88852952539acece33cc49a854019311ba9981612f59
SHA5121765c7bebfc204e610bc4573c64eea3f59008e8625829126e07265d6362259af0c6fec983f09ccf885f3f7ca12f9c3efa54ccbb03167c362ea286f83d6a4b880
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Filesize
2.6MB
MD53d698eb6fd87e8c71520f24e34322a76
SHA183be08d3a3fba251ba4042891516f607a7f86f75
SHA256286e63953b5ea8da509ab51adbdebf9cd5a3d603b3b0ad21cb4a7129b9ede903
SHA512e609e7cb94ade89983d23e87bc1cf88ee3576890fef7b5c28529ee2362da300927fba12ffa614774093514f4f11aae1981f705d1ff88216c944eb1278ecbc52c
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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
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