Analysis
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max time kernel
141s -
max time network
150s -
platform
windows10_x64 -
resource
win10v200430 -
submitted
30-06-2020 17:36
Static task
static1
Behavioral task
behavioral1
Sample
Pago Factura.xls
Resource
win7
General
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Target
Pago Factura.xls
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Size
160KB
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MD5
03b1061e0a0cdf717e60708f1051d156
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SHA1
2c3a07752cb73e1b0bd80f2b6554f0ec4bed2ba8
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SHA256
b2716ac6169dc9ab6107117a9f88e4e30b1dd8cf7563f26cfec15ed3ee0fd2e0
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SHA512
98129c7d88a3f079595846d3e00eac3d7f6b7e35151f1dd80d4e31b1290fc6dee88129f53e903b3956be3ac69606d696c86ee540f654d7b72701d2744bdcd3fd
Malware Config
Extracted
lokibot
http://46.21.147.175/FtgPlac/Panel/five/fre.php
http://kbfvzoboss.bid/alien/fre.php
http://alphastand.trade/alien/fre.php
http://alphastand.win/alien/fre.php
http://alphastand.top/alien/fre.php
Signatures
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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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Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1628 EXCEL.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
EXCEL.EXEcssrs.exedescription pid process target process PID 1628 wrote to memory of 1652 1628 EXCEL.EXE cssrs.exe PID 1628 wrote to memory of 1652 1628 EXCEL.EXE cssrs.exe PID 1628 wrote to memory of 1652 1628 EXCEL.EXE cssrs.exe PID 1652 wrote to memory of 1396 1652 cssrs.exe cssrs.exe PID 1652 wrote to memory of 1396 1652 cssrs.exe cssrs.exe PID 1652 wrote to memory of 1396 1652 cssrs.exe cssrs.exe PID 1652 wrote to memory of 1396 1652 cssrs.exe cssrs.exe PID 1652 wrote to memory of 1396 1652 cssrs.exe cssrs.exe PID 1652 wrote to memory of 1396 1652 cssrs.exe cssrs.exe PID 1652 wrote to memory of 1396 1652 cssrs.exe cssrs.exe PID 1652 wrote to memory of 1396 1652 cssrs.exe cssrs.exe PID 1652 wrote to memory of 1396 1652 cssrs.exe cssrs.exe -
Executes dropped EXE 2 IoCs
Processes:
cssrs.execssrs.exepid process 1652 cssrs.exe 1396 cssrs.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
cssrs.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum cssrs.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum\0 cssrs.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 1628 EXCEL.EXE 1628 EXCEL.EXE 1628 EXCEL.EXE 1628 EXCEL.EXE 1628 EXCEL.EXE 1628 EXCEL.EXE 1628 EXCEL.EXE 1628 EXCEL.EXE 1628 EXCEL.EXE 1628 EXCEL.EXE 1628 EXCEL.EXE 1628 EXCEL.EXE -
Suspicious use of SetThreadContext 1 IoCs
Processes:
cssrs.exedescription pid process target process PID 1652 set thread context of 1396 1652 cssrs.exe cssrs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
cssrs.exedescription pid process Token: SeDebugPrivilege 1396 cssrs.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
cssrs.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion cssrs.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion cssrs.exe -
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
Processes:
cssrs.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions cssrs.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
cssrs.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools cssrs.exe
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Pago Factura.xls"1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of WriteProcessMemory
- Enumerates system info in registry
- Checks processor information in registry
- Suspicious use of SetWindowsHookEx
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C:\Users\Admin\AppData\Roaming\cssrs.exe"C:\Users\Admin\AppData\Roaming\cssrs.exe"2⤵
- Suspicious use of WriteProcessMemory
- Executes dropped EXE
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Checks BIOS information in registry
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
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C:\Users\Admin\AppData\Roaming\cssrs.exe"{path}"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\cssrs.exe
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C:\Users\Admin\AppData\Roaming\cssrs.exe
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C:\Users\Admin\AppData\Roaming\cssrs.exe
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memory/1396-8-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/1396-9-0x00000000004139DE-mapping.dmp
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memory/1396-11-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/1628-4-0x000002575EA34000-0x000002575EA9A000-memory.dmpFilesize
408KB
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memory/1652-5-0x0000000000000000-mapping.dmp