Analysis
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max time kernel
199s -
max time network
212s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
30-11-2022 18:14
Static task
static1
Behavioral task
behavioral1
Sample
a8767f4f400a57a871c4d33f041127693473ce3fa7ea0ef2f47f917cd2081b69.exe
Resource
win7-20221111-en
General
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Target
a8767f4f400a57a871c4d33f041127693473ce3fa7ea0ef2f47f917cd2081b69.exe
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Size
132KB
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MD5
3c50348c398c8bfd4f90b41970c2c25d
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SHA1
3522048bdff86d9ce5a1ca0f5a0576977e07e23d
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SHA256
a8767f4f400a57a871c4d33f041127693473ce3fa7ea0ef2f47f917cd2081b69
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SHA512
6405b6f338128c715e877e8fe6669be6065669d958dc1d9fb7c96587b26ad6edbbc2c3176f60dbbc29be143a069d7229445203750164fa93ce49e4baa9d14d27
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SSDEEP
3072:B0Ecsz3+wLvN0YBn/+kuSmR8+J2xixlx5EHIOH5S7:aNgmm+P3K+JpxeH5a
Malware Config
Signatures
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Drops file in System32 directory 4 IoCs
Processes:
tablesadt.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 tablesadt.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE tablesadt.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies tablesadt.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 tablesadt.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies data under HKEY_USERS 3 IoCs
Processes:
tablesadt.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix tablesadt.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" tablesadt.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" tablesadt.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
tablesadt.exepid process 788 tablesadt.exe 788 tablesadt.exe 788 tablesadt.exe 788 tablesadt.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
a8767f4f400a57a871c4d33f041127693473ce3fa7ea0ef2f47f917cd2081b69.exepid process 4920 a8767f4f400a57a871c4d33f041127693473ce3fa7ea0ef2f47f917cd2081b69.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
a8767f4f400a57a871c4d33f041127693473ce3fa7ea0ef2f47f917cd2081b69.exetablesadt.exedescription pid process target process PID 4344 wrote to memory of 4920 4344 a8767f4f400a57a871c4d33f041127693473ce3fa7ea0ef2f47f917cd2081b69.exe a8767f4f400a57a871c4d33f041127693473ce3fa7ea0ef2f47f917cd2081b69.exe PID 4344 wrote to memory of 4920 4344 a8767f4f400a57a871c4d33f041127693473ce3fa7ea0ef2f47f917cd2081b69.exe a8767f4f400a57a871c4d33f041127693473ce3fa7ea0ef2f47f917cd2081b69.exe PID 4344 wrote to memory of 4920 4344 a8767f4f400a57a871c4d33f041127693473ce3fa7ea0ef2f47f917cd2081b69.exe a8767f4f400a57a871c4d33f041127693473ce3fa7ea0ef2f47f917cd2081b69.exe PID 3512 wrote to memory of 788 3512 tablesadt.exe tablesadt.exe PID 3512 wrote to memory of 788 3512 tablesadt.exe tablesadt.exe PID 3512 wrote to memory of 788 3512 tablesadt.exe tablesadt.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a8767f4f400a57a871c4d33f041127693473ce3fa7ea0ef2f47f917cd2081b69.exe"C:\Users\Admin\AppData\Local\Temp\a8767f4f400a57a871c4d33f041127693473ce3fa7ea0ef2f47f917cd2081b69.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\a8767f4f400a57a871c4d33f041127693473ce3fa7ea0ef2f47f917cd2081b69.exe--fdab03ca2⤵
- Suspicious behavior: RenamesItself
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C:\Windows\SysWOW64\tablesadt.exe"C:\Windows\SysWOW64\tablesadt.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\tablesadt.exe--892439a22⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/788-139-0x0000000000000000-mapping.dmp
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memory/788-141-0x0000000000400000-0x0000000000423000-memory.dmpFilesize
140KB
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memory/788-142-0x0000000000400000-0x0000000000423000-memory.dmpFilesize
140KB
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memory/3512-138-0x0000000000400000-0x0000000000423000-memory.dmpFilesize
140KB
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memory/4344-132-0x0000000000570000-0x0000000000581000-memory.dmpFilesize
68KB
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memory/4344-134-0x0000000000570000-0x0000000000581000-memory.dmpFilesize
68KB
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memory/4344-135-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/4920-133-0x0000000000000000-mapping.dmp
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memory/4920-136-0x0000000000400000-0x0000000000423000-memory.dmpFilesize
140KB
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memory/4920-137-0x0000000000400000-0x0000000000423000-memory.dmpFilesize
140KB
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memory/4920-140-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB