Analysis
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max time kernel
37s -
max time network
49s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
02-07-2024 08:21
General
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Target
Encrypter_protected.exe
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Size
5.0MB
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MD5
0ab2a8b3f487b14f24db2d611eaa1627
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SHA1
927990d479f9c6bb3df78442004feccad4577920
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SHA256
11b11b72193938040f5ae32ebd1eb238c9fcd6ba30f8127bd0a0ca5b2cecc5f0
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SHA512
bedcf4c0bee5a90a72ba1d17fa9358ae8001cead67280e6edc2b82df440b177f6a97ac3c7aade237e9753ee9eec966aebe4fece1b4c0fcc2e062c5055781357a
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SSDEEP
98304:elSSzfc2xJTS4VdJY+ZavQU+PiX1/La2TTyH:elSS42xJTzVHYAan1/maTyH
Malware Config
Signatures
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Chaos
Ransomware family first seen in June 2021.
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Chaos Ransomware 8 IoCs
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Themida packer 14 IoCs
Detects Themida, an advanced Windows software protection system.
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
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Modifies registry class 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of WriteProcessMemory 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Encrypter_protected.exe"C:\Users\Admin\AppData\Local\Temp\Encrypter_protected.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\._cache_Encrypter_protected.exe"C:\Users\Admin\AppData\Local\Temp\._cache_Encrypter_protected.exe"2⤵
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C:\ProgramData\Synaptics\Synaptics.exe"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate2⤵
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C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate3⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 628 -s 11722⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 628 -ip 6281⤵
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4028 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
5.0MB
MD50ab2a8b3f487b14f24db2d611eaa1627
SHA1927990d479f9c6bb3df78442004feccad4577920
SHA25611b11b72193938040f5ae32ebd1eb238c9fcd6ba30f8127bd0a0ca5b2cecc5f0
SHA512bedcf4c0bee5a90a72ba1d17fa9358ae8001cead67280e6edc2b82df440b177f6a97ac3c7aade237e9753ee9eec966aebe4fece1b4c0fcc2e062c5055781357a
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Filesize
22KB
MD56ac60b3f3fc089844b316b8edcb6cbdb
SHA1b4fc7bfd470f3dc67a3b3a9ddcf2dbd26dcaf2b3
SHA256657c0d869ee0e44742e138b18533577b7c9bca8d40ffe5b658d80459e4f8f4d9
SHA512af218350125ea6ab9da68bb2edc7dfbdb023f0fc7ff2c446059d739fccc3891ad1974882275cedd2bf42fbbf2fd9ea50fa2d149a4c5cfbd9a23fa37e29071ecf
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Filesize
12.2MB
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Filesize
4KB
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Filesize
12.2MB
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Filesize
12.2MB
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Filesize
12.2MB
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Filesize
4KB
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Filesize
12.2MB
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Filesize
8KB
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Filesize
12.2MB
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Filesize
12.2MB
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Filesize
12.2MB
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Filesize
8KB
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Filesize
48KB
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Filesize
12.2MB
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Filesize
12.2MB
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Filesize
12.2MB
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Filesize
12.2MB
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Filesize
12.2MB