Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7 -
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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Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1424 EXCEL.EXE -
Executes dropped EXE 2 IoCs
Processes:
cssrs.execssrs.exepid process 1816 cssrs.exe 1268 cssrs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
cssrs.exedescription pid process Token: SeDebugPrivilege 1268 cssrs.exe -
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 use of WriteProcessMemory 14 IoCs
Processes:
EXCEL.EXEcssrs.exedescription pid process target process PID 1424 wrote to memory of 1816 1424 EXCEL.EXE cssrs.exe PID 1424 wrote to memory of 1816 1424 EXCEL.EXE cssrs.exe PID 1424 wrote to memory of 1816 1424 EXCEL.EXE cssrs.exe PID 1424 wrote to memory of 1816 1424 EXCEL.EXE cssrs.exe PID 1816 wrote to memory of 1268 1816 cssrs.exe cssrs.exe PID 1816 wrote to memory of 1268 1816 cssrs.exe cssrs.exe PID 1816 wrote to memory of 1268 1816 cssrs.exe cssrs.exe PID 1816 wrote to memory of 1268 1816 cssrs.exe cssrs.exe PID 1816 wrote to memory of 1268 1816 cssrs.exe cssrs.exe PID 1816 wrote to memory of 1268 1816 cssrs.exe cssrs.exe PID 1816 wrote to memory of 1268 1816 cssrs.exe cssrs.exe PID 1816 wrote to memory of 1268 1816 cssrs.exe cssrs.exe PID 1816 wrote to memory of 1268 1816 cssrs.exe cssrs.exe PID 1816 wrote to memory of 1268 1816 cssrs.exe cssrs.exe -
Processes:
EXCEL.EXEdescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 040000000100000010000000410352dc0ff7501b16f0028eba6f45c50f00000001000000140000005bcaa1c2780f0bcb5a90770451d96f38963f012d0b000000010000001e000000440053005400200052006f006f0074002000430041002000580033000000090000000100000016000000301406082b0601050507030406082b06010505070301140000000100000014000000c4a7b1a47b2c71fadbe14b9075ffc415608589101d00000001000000100000004558d512eecb27464920897de7b66053030000000100000014000000dac9024f54d8f6df94935fb1732638ca6ad77c131900000001000000100000006cf252fec3e8f20996de5d4dd9aef42420000000010000004e0300003082034a30820232a003020102021044afb080d6a327ba893039862ef8406b300d06092a864886f70d0101050500303f31243022060355040a131b4469676974616c205369676e617475726520547275737420436f2e311730150603550403130e44535420526f6f74204341205833301e170d3030303933303231313231395a170d3231303933303134303131355a303f31243022060355040a131b4469676974616c205369676e617475726520547275737420436f2e311730150603550403130e44535420526f6f7420434120583330820122300d06092a864886f70d01010105000382010f003082010a0282010100dfafe99750088357b4cc6265f69082ecc7d32c6b30ca5becd9c37dc740c118148be0e83376492ae33f214993ac4e0eaf3e48cb65eefcd3210f65d22ad9328f8ce5f777b0127bb595c089a3a9baed732e7a0c063283a27e8a1430cd11a0e12a38b9790a31fd50bd8065dfb7516383c8e28861ea4b6181ec526bb9a2e24b1a289f48a39e0cda098e3e172e1edd20df5bc62a8aab2ebd70adc50b1a25907472c57b6aab34d63089ffe568137b540bc8d6aeec5a9c921e3d64b38cc6dfbfc94170ec1672d526ec38553943d0fcfd185c40f197ebd59a9b8d1dbada25b9c6d8dfc115023aabda6ef13e2ef55c089c3cd68369e4109b192ab62957e3e53d9b9ff0025d0203010001a3423040300f0603551d130101ff040530030101ff300e0603551d0f0101ff040403020106301d0603551d0e04160414c4a7b1a47b2c71fadbe14b9075ffc41560858910300d06092a864886f70d01010505000382010100a31a2c9b17005ca91eee2866373abf83c73f4bc309a095205de3d95944d23e0d3ebd8a4ba0741fce10829c741a1d7e981addcb134bb32044e491e9ccfc7da5db6ae5fee6fde04eddb7003ab57049aff2e5eb02f1d1028b19cb943a5e48c4181e58195f1e025af00cf1b1ada9dc59868b6ee991f586cafab96633aa595bcee2a7167347cb2bcc99b03748cfe3564bf5cf0f0c723287c6f044bb53726d43f526489a5267b758abfe67767178db0da256141339243185a2a8025a3047e1dd5007bc02099000eb6463609b16bc88c912e6d27d918bf93d328d65b4e97cb15776eac5b62839bf15651cc8f677966a0a8d770bd8910b048e07db29b60aee9d82353510 EXCEL.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 -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1424 EXCEL.EXE 1424 EXCEL.EXE 1424 EXCEL.EXE -
Suspicious use of SetThreadContext 1 IoCs
Processes:
cssrs.exedescription pid process target process PID 1816 set thread context of 1268 1816 cssrs.exe 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 -
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 -
Office loads VBA resources, possible macro or embedded object present
Processes
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C:\Program Files\Microsoft Office\Office14\EXCEL.EXE"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\Pago Factura.xls"1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of WriteProcessMemory
- Modifies system certificate store
- Suspicious use of SetWindowsHookEx
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C:\Users\Admin\AppData\Roaming\cssrs.exe"C:\Users\Admin\AppData\Roaming\cssrs.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
- Checks BIOS information in registry
- Looks for VirtualBox Guest Additions in registry
- Suspicious use of SetThreadContext
- Looks for VMWare Tools registry key
- Maps connected drives based on registry
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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/1268-6-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/1268-7-0x00000000004139DE-mapping.dmp
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memory/1268-9-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/1424-0-0x0000000007110000-0x0000000007210000-memory.dmpFilesize
1024KB
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memory/1424-1-0x0000000007110000-0x0000000007210000-memory.dmpFilesize
1024KB
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memory/1424-2-0x0000000007110000-0x0000000007210000-memory.dmpFilesize
1024KB
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memory/1816-3-0x0000000000000000-mapping.dmp