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Analysis
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max time kernel
104s -
max time network
106s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
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submitted
01/10/2024, 19:41
General
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Target
Bloxstrap-v2.7.0.exe
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Size
10.1MB
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MD5
2c752edef5b0aa0962a3e01c4c82a2fa
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SHA1
9c3afd1c63f2b0dbdc2dc487709471222d2cb81e
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SHA256
891846bf656253ca1cdd28584a28681e9604e2a03d74cd6b99313e3bff11daf8
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SHA512
04d25fe7d40c8c320ffc545a038ad6ea458df6a8a552b0e0393b369a03b9bf273c72f30169bd54e8eb10757c04bdddf3859c601c1eb9e1a12fe4d15658906dfe
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SSDEEP
98304:TYd5DQd5Dk9Tsed5DogTrBKvGWD3nIOYoHwfLk3vSmaR0+Mc4AN0edaAHDfysrT4:Tasx3vG6IObAbN0T
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 1 IoCs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 18 IoCs
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
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Enumerates system info in registry 2 TTPs 3 IoCs
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Modifies Internet Explorer settings 1 TTPs 4 IoCs
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Modifies registry class 61 IoCs
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Suspicious behavior: AddClipboardFormatListener 3 IoCs
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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 AdjustPrivilegeToken 1 IoCs
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Suspicious use of FindShellTrayWindow 1 IoCs
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Suspicious use of SendNotifyMessage 1 IoCs
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Suspicious use of SetWindowsHookEx 26 IoCs
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Suspicious use of UnmapMainImage 1 IoCs
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Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Bloxstrap-v2.7.0.exe"C:\Users\Admin\AppData\Local\Temp\Bloxstrap-v2.7.0.exe"1⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Bloxstrap\Versions\version-b591875ddfbc4294\RobloxPlayerBeta.exe"C:\Users\Admin\AppData\Local\Bloxstrap\Versions\version-b591875ddfbc4294\RobloxPlayerBeta.exe" --app -channel production2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
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C:\Windows\explorer.exe"explorer.exe" /select,"C:\Users\Admin\AppData\Local\Temp\Bloxstrap_20241001T194114Z.log"2⤵
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Program Files\Microsoft Office\root\Office16\Winword.exe"C:\Program Files\Microsoft Office\root\Office16\Winword.exe" /n "C:\Users\Admin\AppData\Local\Temp\.ses"2⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
79B
MD5eab6dcc312473d43c2fa8cc41280d79c
SHA1b4e9ec7e579d06dfcaa5ac616de2751308a153c3
SHA2560a27d3c9100ab7ab6f03c45daeb0f0cd586f3aeb59daf7986e853f9614e954fe
SHA5121ce0fdc237110d644bcc8238f184554f25813ccf7142fd312ce96fbb6659081db677b04485bf66d52100136da6bb9688e48b1287455725c7b4950153aa2a4595
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Filesize
18.5MB
MD578dc9f08202382db76ecce3d70a7107f
SHA1110a23181673ba65356b953f28e13e5382e6da6b
SHA2561f334bd39e9e17919c8dba82b2eaaae1a45154c574aff195b1c001c5fc1cb159
SHA512c37bc98958b830101245ff422aad635c040fea0ab379556c870246964626073921440818a44c4fac5ce56d290969e3e6640f56f734cec74d986a793a59fa1be3
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Filesize
6KB
MD59404c52d6f311da02d65d4320bfebb59
SHA10b5b5c2e7c631894953d5828fec06bdf6adba55f
SHA256c9775e361392877d1d521d0450a5368ee92d37dc542bc5e514373c9d5003f317
SHA51222aa1acbcdcf56f571170d9c32fd0d025c50936387203a7827dbb925f352d2bc082a8a79db61c2d1f1795ad979e93367c80205d9141b73d806ae08fa089837c4
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Filesize
262KB
MD551d32ee5bc7ab811041f799652d26e04
SHA1412193006aa3ef19e0a57e16acf86b830993024a
SHA2566230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97
SHA5125fc5d889b0c8e5ef464b76f0c4c9e61bda59b2d1205ac9417cc74d6e9f989fb73d78b4eb3044a1a1e1f2c00ce1ca1bd6d4d07eeadc4108c7b124867711c31810
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Filesize
4KB
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Filesize
4KB
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Filesize
64KB
-
Filesize
64KB
-
Filesize
36KB
-
Filesize
192KB
-
Filesize
192KB
-
Filesize
192KB
-
Filesize
192KB
-
Filesize
48KB
-
Filesize
128KB
-
Filesize
128KB
-
Filesize
128KB
-
Filesize
128KB
-
Filesize
128KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
192KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
52KB
-
Filesize
36KB
-
Filesize
152KB
-
Filesize
128KB
-
Filesize
192KB
-
Filesize
192KB
-
Filesize
4KB
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Filesize
152KB
-
Filesize
152KB
-
Filesize
152KB
-
Filesize
152KB
-
Filesize
128KB
-
Filesize
128KB
-
Filesize
128KB
-
Filesize
128KB
-
Filesize
64KB
-
Filesize
36KB
-
Filesize
36KB
-
Filesize
36KB
-
Filesize
36KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
52KB
-
Filesize
52KB
-
Filesize
52KB
-
Filesize
52KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB