Analysis
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max time kernel
146s -
max time network
30s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
21-02-2023 07:54
Static task
static1
Behavioral task
behavioral1
Sample
Zip/7z2201-x64.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Zip/7z2201-x64.exe
Resource
win10v2004-20230220-en
Behavioral task
behavioral3
Sample
Zip/S0ftware-2023.rar
Resource
win7-20230220-en
Behavioral task
behavioral4
Sample
Zip/S0ftware-2023.rar
Resource
win10v2004-20230220-en
General
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Target
Zip/7z2201-x64.exe
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Size
1.5MB
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MD5
a6a0f7c173094f8dafef996157751ecf
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SHA1
c0dcae7c4c80be25661d22400466b4ea074fc580
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SHA256
b055fee85472921575071464a97a79540e489c1c3a14b9bdfbdbab60e17f36e4
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SHA512
965d43f06d104bf6707513c459f18aaf8b049f4a043643d720b184ed9f1bb6c929309c51c3991d5aaff7b9d87031a7248ee3274896521abe955d0e49f901ac94
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SSDEEP
24576:mGIyixBMj+/A2d+UKnvT+LwZWj7iDDVVYrz0rbzGTw3DoA/sk6smE:mGbj+/BpKnvyIxVV/XDoAfmE
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
Processes:
7z2201-x64.exepid process 1336 7z2201-x64.exe -
Registers COM server for autorun 1 TTPs 3 IoCs
Processes:
7z2201-x64.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32 7z2201-x64.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ = "C:\\Program Files\\7-Zip\\7-zip.dll" 7z2201-x64.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ThreadingModel = "Apartment" 7z2201-x64.exe -
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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Drops file in Program Files directory 64 IoCs
Processes:
7z2201-x64.exedescription ioc process File opened for modification C:\Program Files\7-Zip\Lang\ka.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\lv.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\be.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\ku.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\7-zip32.dll 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\sk.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\sr-spc.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\uz.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\History.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\en.ttt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\hr.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\mk.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\pt.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\kab.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\nb.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\pa-in.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\zh-cn.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\ar.txt 7z2201-x64.exe File created C:\Program Files\7-Zip\Lang\uz-cyrl.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\ja.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\pl.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\mr.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\ps.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\sw.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\cs.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\eu.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\fur.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\io.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\lt.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\az.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\kaa.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\ta.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\br.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\fy.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\sr-spl.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\zh-tw.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\uz-cyrl.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\va.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\7z.dll 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\co.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\ext.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\ro.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\tt.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\uk.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\7-zip.dll 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\de.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\es.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\ne.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\si.txt 7z2201-x64.exe File created C:\Program Files\7-Zip\Lang\tk.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\it.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\7zG.exe 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\ast.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\bn.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\he.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\7zCon.sfx 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\gl.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\7z.exe 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 7z2201-x64.exe File created C:\Program Files\7-Zip\Lang\sw.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\readme.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\fr.txt 7z2201-x64.exe File opened for modification C:\Program Files\7-Zip\Lang\sl.txt 7z2201-x64.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 20 IoCs
Processes:
7z2201-x64.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ThreadingModel = "Apartment" 7z2201-x64.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ = "C:\\Program Files\\7-Zip\\7-zip.dll" 7z2201-x64.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\DragDropHandlers\7-Zip 7z2201-x64.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ = "C:\\Program Files\\7-Zip\\7-zip32.dll" 7z2201-x64.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}" 7z2201-x64.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\ShellEx\ContextMenuHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}" 7z2201-x64.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}" 7z2201-x64.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32 7z2201-x64.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\ = "7-Zip Shell Extension" 7z2201-x64.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\ = "7-Zip Shell Extension" 7z2201-x64.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ThreadingModel = "Apartment" 7z2201-x64.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\7-Zip 7z2201-x64.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\7-Zip 7z2201-x64.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\DragDropHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}" 7z2201-x64.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000} 7z2201-x64.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000} 7z2201-x64.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\7-Zip 7z2201-x64.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}" 7z2201-x64.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\7-Zip 7z2201-x64.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32 7z2201-x64.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
AUDIODG.EXEdescription pid process Token: 33 1652 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1652 AUDIODG.EXE Token: 33 1652 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1652 AUDIODG.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
7z2201-x64.exepid process 1336 7z2201-x64.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Zip\7z2201-x64.exe"C:\Users\Admin\AppData\Local\Temp\Zip\7z2201-x64.exe"1⤵
- Loads dropped DLL
- Registers COM server for autorun
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of FindShellTrayWindow
PID:1336
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C:\Windows\explorer.exe"C:\Windows\explorer.exe"1⤵PID:1680
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x5541⤵
- Suspicious use of AdjustPrivilegeToken
PID:1652
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C:\Windows\explorer.exe"C:\Windows\explorer.exe"1⤵PID:548
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
935KB
MD5d36deceeb4c9645aab2ded86608d090b
SHA1912f4658c4b046fbadd084912f9126cb1ae3737b
SHA256018d74ff917692124dee0a8a7e6302aecd219d79b049ad95f2f4eedea41b4a45
SHA5129752a9e57dd2e6cd454ba6c2d041d884369734c2b62c53d3ec4854731c398cd6e25ac75f7a55cda9d4b4c2efb074cb2e6efcbf3080cd8cc7d9bc8c9a25f62ff2