Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
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submitted
26-04-2024 07:17
General
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Target
Document.doc.scr
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Size
194KB
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MD5
407ea767aa26ae13f9ff20d0999c8dda
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SHA1
07e615132ef78e827047ffc4cc6c9d44f5a976fd
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SHA256
f2198deecddd5ae56620b594b6b20bf8a20f9c983d4c60144bc6007a53087ce4
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SHA512
6c14d07b497af375f2f4db4da321ed7e5fb60a6f26281bcdbfc513eb1033d98442ff83ee58849a721bd7e14a0b7094b98397923c35bd4b6ae91c179784de6b02
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SSDEEP
3072:L6glyuxE4GsUPnliByocWepVeKna4iJ0Cv+LmaGqsqRxB:L6gDBGpvEByocWePk4iJ0C2LYcx
Malware Config
Signatures
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Renames multiple (331) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Deletes itself 1 IoCs
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 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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Sets desktop wallpaper using registry 2 TTPs 2 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 5 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 14 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 WriteProcessMemory 9 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⤵
- Loads dropped DLL
- 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:\ProgramData\2617.tmp"C:\ProgramData\2617.tmp"2⤵
- 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\2617.tmp >> NUL3⤵
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x1481⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
129B
MD59a8f80b0fd7b5d6de22549ed1cca38d6
SHA14fe657dfa3afe190b14cd1b79b0fb048af799cc5
SHA2567a97f0d7ee85063a781d4b81d88ce449ba607ad5bb087027dbae9c61fcdeac77
SHA51291b22cb9eeb1828dabb4f95dd0947996fd776928b8c51b28f6f80938468aa54ab7000741d3175e1ce075399327cc711c6b6e695e4eee9f7c4afeb7a22a6174c5
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Filesize
194KB
MD54b2a81dd2cddb37328b6f9a04545ac0d
SHA190489dcc0c96fd8e69c80e5146518fa061d84376
SHA25697924e00cc9e7673b035d036caf438d3d752ce0c97707acef9c1db2302b7a1d3
SHA5121e402fdb495c18e569fe1a67d98a2afaee42c3604f7f896b6dbdd712b69c9de8bc909acf2bd32dd92d2f0d54f8df3a3b5a13da47646c3a5f0ba955fa964411a0
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Filesize
434B
MD5ad29bd8c66e114ff57c943d16c78f72a
SHA15ab070ee89a36f38facae4dfc8ec5ce3e59af46e
SHA2566fe668fe8bf69158d1fd08e90f3cff60c1df410bf752635bf152853b6112549c
SHA512a53121e2379aa9c3bc52d073498a54f26383834f6d6636b4b3831010565c80bf0da07511907eab7bd92f9796e559958b1c0ebea4c4b0f0d869e95b7deb5da7f1
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Filesize
129B
MD54dd8dc9cd2c7952e5ca97ba57efafccb
SHA14e54a3e8658742c5e67310a5868fb85100ebd2f1
SHA2564864c3ea2cac2648b0d2622917c19d94ee14838df3e72292f1f2f3e81a0b1735
SHA512c973842cdc449203525432997a3bb784ee7d4a7c27d7930b1ccec7e50c436554190f234eb2a6d1a9df0320b6f767e81f7f73e4e54b4a12f903e66d85b2d843ad
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
256KB
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Filesize
4KB
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Filesize
256KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
256KB