Analysis
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max time kernel
157s -
max time network
172s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
26-11-2022 23:03
Static task
static1
Behavioral task
behavioral1
Sample
8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe
Resource
win10v2004-20220812-en
General
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Target
8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe
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Size
272KB
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MD5
36ba0cb1e5fbbcf2f0243e376ebe2b2e
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SHA1
36e4a649cdd7101a8096470c66a3a30b6e9e6144
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SHA256
8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c
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SHA512
b57f36302711e82327b8eb5ad2adf8ec4ff00efa2867b23ecf12b8411ced1b8dba11ac8a9faf6aac150925febab00468f513eb5f520a19d2cfaee4d8172f2b61
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SSDEEP
6144:x81ynrsr6WJOeF/5kZMKZSDVZ6g7LaIQ4VRlxr3N3ctlTY:urdJOsvVZL3Q4nHrxITY
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exepid process 3772 8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation 8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Default Key = "\\Default Folder\\Default File.exe" 8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Default Key = "C:\\Users\\Admin\\AppData\\Roaming\\Default Folder\\Default File.exe" 8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe -
Drops desktop.ini file(s) 2 IoCs
Processes:
8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exedescription ioc process File created C:\Windows\assembly\Desktop.ini 8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe File opened for modification C:\Windows\assembly\Desktop.ini 8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe -
Drops file in Windows directory 3 IoCs
Processes:
8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exedescription ioc process File opened for modification C:\Windows\assembly 8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe File created C:\Windows\assembly\Desktop.ini 8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe File opened for modification C:\Windows\assembly\Desktop.ini 8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exepid process 3772 8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exedescription pid process Token: SeDebugPrivilege 4752 8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe Token: SeDebugPrivilege 3772 8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe Token: SeDebugPrivilege 3772 8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exepid process 3772 8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.execmd.exedescription pid process target process PID 4752 wrote to memory of 3772 4752 8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe 8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe PID 4752 wrote to memory of 3772 4752 8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe 8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe PID 4752 wrote to memory of 3772 4752 8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe 8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe PID 4752 wrote to memory of 4704 4752 8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe cmd.exe PID 4752 wrote to memory of 4704 4752 8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe cmd.exe PID 4752 wrote to memory of 4704 4752 8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe cmd.exe PID 4704 wrote to memory of 2296 4704 cmd.exe PING.EXE PID 4704 wrote to memory of 2296 4704 cmd.exe PING.EXE PID 4704 wrote to memory of 2296 4704 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe"C:\Users\Admin\AppData\Local\Temp\8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4752 -
C:\Users\Admin\AppData\Local\Temp\8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c\8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe"C:\Users\Admin\AppData\Local\Temp\8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c\8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3772
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 1000 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4704 -
C:\Windows\SysWOW64\PING.EXEping 1.1.1.1 -n 1 -w 10003⤵
- Runs ping.exe
PID:2296
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c\8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe
Filesize272KB
MD536ba0cb1e5fbbcf2f0243e376ebe2b2e
SHA136e4a649cdd7101a8096470c66a3a30b6e9e6144
SHA2568cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c
SHA512b57f36302711e82327b8eb5ad2adf8ec4ff00efa2867b23ecf12b8411ced1b8dba11ac8a9faf6aac150925febab00468f513eb5f520a19d2cfaee4d8172f2b61
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C:\Users\Admin\AppData\Local\Temp\8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c\8cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c.exe
Filesize272KB
MD536ba0cb1e5fbbcf2f0243e376ebe2b2e
SHA136e4a649cdd7101a8096470c66a3a30b6e9e6144
SHA2568cafe642dbe02d9f2fc284e7deaa9e40ccc317091340b2a9e79b33f5daeb5f7c
SHA512b57f36302711e82327b8eb5ad2adf8ec4ff00efa2867b23ecf12b8411ced1b8dba11ac8a9faf6aac150925febab00468f513eb5f520a19d2cfaee4d8172f2b61