Analysis
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max time kernel
228s -
max time network
314s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 13:46
Static task
static1
Behavioral task
behavioral1
Sample
86410648ca0cf27bbf6980cf8eedc6bde2af72fbef12276ae66eb39c23eec603.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
86410648ca0cf27bbf6980cf8eedc6bde2af72fbef12276ae66eb39c23eec603.exe
Resource
win10v2004-20221111-en
General
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Target
86410648ca0cf27bbf6980cf8eedc6bde2af72fbef12276ae66eb39c23eec603.exe
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Size
76KB
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MD5
07510ddcb4612db4de92501fc7cc8d0b
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SHA1
86215d22b27c92a16e06ac1889036f755c376485
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SHA256
86410648ca0cf27bbf6980cf8eedc6bde2af72fbef12276ae66eb39c23eec603
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SHA512
dca3d5ef2c705fc26843fd5a4b661c42b42060393b7ce60224d3405e2837012b0ea23f667d6d1fc4ca50afd35f5bbbbd653d64fb19ce7166acf9cf7d764bffc7
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SSDEEP
768:bUHa+nv1F4Ik/jtAvHzL2bX6jeNCNCTD/uhg/yXYGH9pwjEgyfLwAqiw1iXCLT9A:mFFmjqvP22jeANCXMAyX70IDvwOU9ggm
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
dolvki.exepid process 432 dolvki.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1564 cmd.exe -
Drops file in Windows directory 2 IoCs
Processes:
86410648ca0cf27bbf6980cf8eedc6bde2af72fbef12276ae66eb39c23eec603.exedescription ioc process File opened for modification C:\Windows\dolvki.exe 86410648ca0cf27bbf6980cf8eedc6bde2af72fbef12276ae66eb39c23eec603.exe File created C:\Windows\dolvki.exe 86410648ca0cf27bbf6980cf8eedc6bde2af72fbef12276ae66eb39c23eec603.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
86410648ca0cf27bbf6980cf8eedc6bde2af72fbef12276ae66eb39c23eec603.exedescription pid process Token: SeIncBasePriorityPrivilege 1192 86410648ca0cf27bbf6980cf8eedc6bde2af72fbef12276ae66eb39c23eec603.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
86410648ca0cf27bbf6980cf8eedc6bde2af72fbef12276ae66eb39c23eec603.exedescription pid process target process PID 1192 wrote to memory of 1564 1192 86410648ca0cf27bbf6980cf8eedc6bde2af72fbef12276ae66eb39c23eec603.exe cmd.exe PID 1192 wrote to memory of 1564 1192 86410648ca0cf27bbf6980cf8eedc6bde2af72fbef12276ae66eb39c23eec603.exe cmd.exe PID 1192 wrote to memory of 1564 1192 86410648ca0cf27bbf6980cf8eedc6bde2af72fbef12276ae66eb39c23eec603.exe cmd.exe PID 1192 wrote to memory of 1564 1192 86410648ca0cf27bbf6980cf8eedc6bde2af72fbef12276ae66eb39c23eec603.exe cmd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\86410648ca0cf27bbf6980cf8eedc6bde2af72fbef12276ae66eb39c23eec603.exe"C:\Users\Admin\AppData\Local\Temp\86410648ca0cf27bbf6980cf8eedc6bde2af72fbef12276ae66eb39c23eec603.exe"1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1192 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\864106~1.EXE > nul2⤵
- Deletes itself
PID:1564
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C:\Windows\dolvki.exeC:\Windows\dolvki.exe1⤵
- Executes dropped EXE
PID:432
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
76KB
MD507510ddcb4612db4de92501fc7cc8d0b
SHA186215d22b27c92a16e06ac1889036f755c376485
SHA25686410648ca0cf27bbf6980cf8eedc6bde2af72fbef12276ae66eb39c23eec603
SHA512dca3d5ef2c705fc26843fd5a4b661c42b42060393b7ce60224d3405e2837012b0ea23f667d6d1fc4ca50afd35f5bbbbd653d64fb19ce7166acf9cf7d764bffc7