Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
26-04-2024 07:47
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 (310) 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\26D2.tmp"C:\ProgramData\26D2.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\26D2.tmp >> NUL3⤵
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x14c1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
129B
MD551031886034d891708013072a2fefa05
SHA1f36a278dde8d9bb058fa51c1aff361b54f3361b1
SHA25682a779d77939f21510b904b403807806c083f44e6ee79eaf10f2fbfe2d3e985b
SHA5129fb2632e742317371632f93924779c8fef5d171db93f7b83204a649fd5b989949a0a85932664e4be5fba8233bc14c8509f7d22e014f1cf61e87efe7b516619ad
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Filesize
194KB
MD55d340b73c3e034109f3eed4e51ad2bcd
SHA1ad094889ca08a3f01162cca81ed095159ed48459
SHA256cd84cc6b730022af2101c14178c3ca591b506dc19c1cc4ec54a6b70d0db70514
SHA512de23e6f7ce66816df5f2098b45c12f523031c4db8f3c3572ccceeaf48821eaba87159c0501af3ff20a2f869999a95e73b004257aed72ff6ca32710dbe82aa471
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Filesize
434B
MD5ad29bd8c66e114ff57c943d16c78f72a
SHA15ab070ee89a36f38facae4dfc8ec5ce3e59af46e
SHA2566fe668fe8bf69158d1fd08e90f3cff60c1df410bf752635bf152853b6112549c
SHA512a53121e2379aa9c3bc52d073498a54f26383834f6d6636b4b3831010565c80bf0da07511907eab7bd92f9796e559958b1c0ebea4c4b0f0d869e95b7deb5da7f1
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Filesize
129B
MD5d9d5575b4826efb38f9b1a854da33839
SHA1f2e31035b8d94d4032d57109daa0dd3b743a68ec
SHA2568de1a6d7dd2135455c3218ffea759fb346e6f61c2b02a88edd38232a5d83eaec
SHA512a17dccce400ab6059e579145480b327bc6d449c48bd3a0eff92dc1994993d200a61ca057c045acd9af6f6a9938c7034363ebe7961a2b43861bc970d7827c7a75
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
256KB
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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
4KB
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Filesize
256KB