Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
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submitted
25-04-2024 03:13
General
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Target
Document.doc.scr.exe
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Size
194KB
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MD5
50e5dec57451005668704281688ca55d
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SHA1
67dd4ac7eb8c193b39149b34d3a0d5bc21c3f200
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SHA256
062683257386c9e41a1cd1493f029d817445c37f7c65386d54122fa466419ce1
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SHA512
29ca4a44795c71d3e2b4e3417355ebb93765157d464d6d5a3fe6774056d934d57081c72001fb29e47982da11e5a5ccfdbcc958d05a11fb49bd8bf84e6d0c61ad
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SSDEEP
3072:66glyuxE4GsUPnliByocWepRGbVZqid91h2ys+tU:66gDBGpvEByocWeubV4inP9B
Malware Config
Signatures
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Renames multiple (614) 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 3 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: 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 13 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.exe"C:\Users\Admin\AppData\Local\Temp\Document.doc.scr.exe"1⤵
- 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⤵
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C:\ProgramData\8C53.tmp"C:\ProgramData\8C53.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\8C53.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\{FEE6081A-EA3A-4A7A-837F-4E5C96D01FBD}.xps" 1335848839487900002⤵
- Checks processor information in registry
- Enumerates system info in registry
- 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
129B
MD5b1a39e19786dcdea055e9c5361ef3f4c
SHA17da261d7fd91ced4acd7ca88f6e7233b681a8002
SHA256569e56cb9b024fc367166a78dc7207a45d15b7d754b1f599219a7e06e73ea546
SHA51202ae8d356c1fc468123a7281756fdc869d70e6fce045d634726ca61d77aa97f25c29d61daa5f7d802354f8774f48cd3671b1fb10b7bb7cb6dc4fb2ff24f4971e
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
434B
MD5ad29bd8c66e114ff57c943d16c78f72a
SHA15ab070ee89a36f38facae4dfc8ec5ce3e59af46e
SHA2566fe668fe8bf69158d1fd08e90f3cff60c1df410bf752635bf152853b6112549c
SHA512a53121e2379aa9c3bc52d073498a54f26383834f6d6636b4b3831010565c80bf0da07511907eab7bd92f9796e559958b1c0ebea4c4b0f0d869e95b7deb5da7f1
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Filesize
194KB
MD5b91cb076b129d196a5aa1fe6d5e288a8
SHA1880238aef144c84fa5c729649593532679fa4647
SHA256c027899d0eb386682af574f52ea3410e80c75543177259b1aabf4981dc84af80
SHA5120bd7646181d7382da3365ae5665c4648b2dd3ee30838fdfcaec91a53fa2d95ca995a7410903798a179f900c4b4032011825e67b9337e23348d316bc16013ecf8
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Filesize
4KB
MD5a48652d2c80789e061031519d7600c65
SHA1db439ed9b2c0039b0da96822c7d3b714690edecb
SHA256589d04e1415fb77aba05c19ffd1cbc98c7732aa5bf895d379235a98e0f39437e
SHA5127cf5d317140a7f4dcab71290fda24dbab74c1cd05cd8537237719e43682e1ddac24aaaf503457274a122a60ba2475cd727ad30a60af249884bdcde22ffbee579
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Filesize
4KB
MD5b868c04c25db48a77159c19d661d6d3d
SHA1d132afee2ee8c2a833cdc71b99e22bbd77ab5324
SHA256f31444cc3235779a9bde6dc13e097675f5956e5074ac3353950e3066024bd9e5
SHA5121b2ed9773d941cd6fc01f7b74c02cc9e93f443208400dc4bde37d6c7b6d304237b55e2e116a47a37a633f85e7dede2fed7715bc8aa5e10fcdc4c6d3727bcff60
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Filesize
129B
MD5c5e46ef1733291a987571eab54fb4a07
SHA19db2c415cab3b898f976f82a78ecc8292ccc0825
SHA25656be714e82e2bc68b16ea52ff7da83b9b0f99654baf62ac4af03184c8f54b0cf
SHA51245757242343070451c4168964adafb9155ab473bac1fea1b8b15bdd41c01314a6f957470ac67b2e7b71a4de5722c9c686ba9fc18d29195f78abdd22219f65683
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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
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
2.0MB
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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
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
64KB
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Filesize
64KB