Analysis
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max time kernel
42s -
max time network
46s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
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submitted
25-04-2024 16:30
General
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Target
Document.doc.scr
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Size
194KB
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MD5
b7b4c97132d03eead1fa9a9352dee6c2
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SHA1
c9eb1bdc528076fa9c91668addf0723294ac1575
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SHA256
1ecea8b0bc92378bf2bdd1c14ae1628c573569419b91cc34504d2c3f8bb9f8b2
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SHA512
cb0023bc6783a94a27d2d4a67c214e8657fd334d1a94a7dba51277363dee2a67e7ecc5fc0788cead1c4e0e2dc7d9aa758203f89dce162184869d20a44d171903
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SSDEEP
3072:v6glyuxE4GsUPnliByocWepXKD0/9Wy1Og/ZK99r:v6gDBGpvEByocWehKD0/EWfg3
Malware Config
Signatures
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Renames multiple (599) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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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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Deletes itself 1 IoCs
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Executes dropped EXE 1 IoCs
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops desktop.ini file(s) 2 IoCs
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Drops file in System32 directory 4 IoCs
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Sets desktop wallpaper using registry 2 TTPs 2 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
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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.
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Enumerates system info in registry 2 TTPs 3 IoCs
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Modifies Control Panel 2 IoCs
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Modifies registry class 5 IoCs
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Suspicious behavior: AddClipboardFormatListener 2 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: RenamesItself 26 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
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Suspicious use of SetWindowsHookEx 14 IoCs
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Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Document.doc.scr"C:\Users\Admin\AppData\Local\Temp\Document.doc.scr" /S1⤵
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
- Drops file in System32 directory
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C:\ProgramData\6BEA.tmp"C:\ProgramData\6BEA.tmp"2⤵
- Checks computer location settings
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\6BEA.tmp >> NUL3⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵
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C:\Windows\system32\printfilterpipelinesvc.exeC:\Windows\system32\printfilterpipelinesvc.exe -Embedding1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
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C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE/insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{E5E56D9B-9447-4F41-B73C-A3C0D0109212}.xps" 1335853627553300002⤵
- 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
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Downloads
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Filesize
129B
MD507beaefb29137f9fb2bd31aa6708f59e
SHA14ff4e966196f6531b2e854bd0a014f92cf2b8177
SHA256b49af0f2ac35e79ddfc391e704585413e99616d452ef4fd0bdc7c5d4b069f5f8
SHA512af0fb961e6438d9e3be3c9c8bdc5e135ebcbbbc64cd9a5775620594a5111b8551cbbf835c5637ce1e746ff509b5b3a8a93af2ea7fb9d7be038cfb88169fe09d0
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
194KB
MD5c4c94693d840d8d429c11f9bece53f29
SHA1fabb4f78e2b0208692e58e51dc3d2aade89b6398
SHA256d694dec4532833caf70bbcd934ec5671736fbadb1b52ba24e6c9a4d7d67a89d1
SHA51252e3d116fa5eb14d08f18c181615166173d1b7e44dee31f6ea7f07709ddb2fdb3ef65cae0b6dde1c77e2ea6e92e98364a0a4def1d237773e32f616690645a4e2
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Filesize
4KB
MD51b203cc183a2ea7ab119aadde4d6b611
SHA10affb717cd50907699d53732b15de641100a9819
SHA2569a6b58ba6f309d0472779189a729381a6c3e6dec5b8abba4df43e23960aae280
SHA5123861d88b0b39cb8141812add352fb6b4ba422b43e2398fb4d6c80597af66e098dae62c12a68fad188927b71200945357ff225fe437f696c5af685545e6b1cb34
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Filesize
4KB
MD5981f6d8a4df103704ea7cc0c720a01e3
SHA129eebd8172d0e6a9500a104142917c98506f1b2e
SHA2568d80725801c4bb4be98501e932fef2110f35928809a4427208a55207e092bcc1
SHA512baad8d5590eda04e53ac4cb8be67c1df9dc3efebad112e5325b80edfa0adaa77a309939875ae52f679370845083e0f825e716159a5eeadb9c86a329c6f924ce9
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Filesize
434B
MD5ad29bd8c66e114ff57c943d16c78f72a
SHA15ab070ee89a36f38facae4dfc8ec5ce3e59af46e
SHA2566fe668fe8bf69158d1fd08e90f3cff60c1df410bf752635bf152853b6112549c
SHA512a53121e2379aa9c3bc52d073498a54f26383834f6d6636b4b3831010565c80bf0da07511907eab7bd92f9796e559958b1c0ebea4c4b0f0d869e95b7deb5da7f1
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Filesize
129B
MD5372037821f1fb1e91a99f81a4c50e673
SHA153a8d2618582559fe51e386ae27e1f3c1131af81
SHA256563964aaa38aa7917d9324a7256a64dd9c398507297265fb01b18971680766e2
SHA512e8edad8422c1340f0b18efa9c51def4967db9bc025a5cc0ff1eadedffbac0f89d5947b5a97109ffa48bd6b3bf957608e99c2eb2aa42f6dbd258bbd92c7b5af10
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
2.0MB
-
Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
4KB
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Filesize
28KB
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Filesize
4KB
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Filesize
64KB
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Filesize
64KB
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Filesize
4KB