Analysis
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max time kernel
148s -
max time network
144s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
09-05-2021 22:58
Static task
static1
Behavioral task
behavioral1
Sample
a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe
Resource
win10v20210408
General
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Target
a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe
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Size
2.2MB
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MD5
9a3d14dd493c2a25d9db58184bbf3c4a
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SHA1
f4673116befd4ac121a2d0c4b6b4c8c5a9a74c1b
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SHA256
a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0
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SHA512
4c233d8e5162578b05b4adc5f108e56adfb9fdcdd5cf4b6caf89e5aaf50f3babfc56b56d89c0b0ec1d0827ca42df305a4eeea399f1979926631149cc9b568f95
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
._cache_a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exeSynaptics.exepid process 2040 ._cache_a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe 1176 Synaptics.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\jA7LHI82.xlsm office_macros -
Loads dropped DLL 3 IoCs
Processes:
a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exepid process 484 a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe 484 a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe 484 a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe" a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Enumerates system info in registry 2 TTPs 1 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
Processes:
EXCEL.EXEdescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE -
Processes:
Synaptics.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 Synaptics.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 Synaptics.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 Synaptics.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 580 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
._cache_a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exeEXCEL.EXEpid process 2040 ._cache_a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe 580 EXCEL.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exedescription pid process target process PID 484 wrote to memory of 2040 484 a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe ._cache_a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe PID 484 wrote to memory of 2040 484 a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe ._cache_a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe PID 484 wrote to memory of 2040 484 a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe ._cache_a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe PID 484 wrote to memory of 2040 484 a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe ._cache_a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe PID 484 wrote to memory of 2040 484 a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe ._cache_a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe PID 484 wrote to memory of 2040 484 a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe ._cache_a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe PID 484 wrote to memory of 2040 484 a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe ._cache_a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe PID 484 wrote to memory of 1176 484 a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe Synaptics.exe PID 484 wrote to memory of 1176 484 a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe Synaptics.exe PID 484 wrote to memory of 1176 484 a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe Synaptics.exe PID 484 wrote to memory of 1176 484 a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe Synaptics.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe"C:\Users\Admin\AppData\Local\Temp\a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\._cache_a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe"C:\Users\Admin\AppData\Local\Temp\._cache_a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
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C:\ProgramData\Synaptics\Synaptics.exe"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate2⤵
- Executes dropped EXE
- Modifies system certificate store
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C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\ProgramData\Synaptics\Synaptics.exeMD5
c569f56bcbefee1fa6cbf2cbb4337d51
SHA17c5fc050ae6993dff95c989d8aa367f945c14241
SHA2565ce8ab18ff0861431d52b3a30e7d7cfc8921565b37334e574c114c01d0c093de
SHA5129b00c380ca42678c22be824c01f701caf85128825f1efa7ceb67acf0441ca5d1905009ddb74826868418453f3d96b599fd1323cf62d6bb1ea4b4232b024d32e1
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C:\ProgramData\Synaptics\Synaptics.exeMD5
c569f56bcbefee1fa6cbf2cbb4337d51
SHA17c5fc050ae6993dff95c989d8aa367f945c14241
SHA2565ce8ab18ff0861431d52b3a30e7d7cfc8921565b37334e574c114c01d0c093de
SHA5129b00c380ca42678c22be824c01f701caf85128825f1efa7ceb67acf0441ca5d1905009ddb74826868418453f3d96b599fd1323cf62d6bb1ea4b4232b024d32e1
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C:\Users\Admin\AppData\Local\Temp\._cache_a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exeMD5
c37d148fae151ff4bb15abb50db31db9
SHA1e8a85cd9e015fa6fc2c8778578363581134eff51
SHA256962ba4c57c61b3d6445f79f51147a7437580af03e899f5cb8d0762a18369dc88
SHA512827ec9d186220199f92eace44090bb9b48f9eecae232064012c0aa9df7793620d0c12e44532dd9028a15d68af1fc59639a9a4ee0639aa3ee158ad6662bf51725
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C:\Users\Admin\AppData\Local\Temp\._cache_a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exeMD5
c37d148fae151ff4bb15abb50db31db9
SHA1e8a85cd9e015fa6fc2c8778578363581134eff51
SHA256962ba4c57c61b3d6445f79f51147a7437580af03e899f5cb8d0762a18369dc88
SHA512827ec9d186220199f92eace44090bb9b48f9eecae232064012c0aa9df7793620d0c12e44532dd9028a15d68af1fc59639a9a4ee0639aa3ee158ad6662bf51725
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C:\Users\Admin\AppData\Local\Temp\jA7LHI82.xlsmMD5
e566fc53051035e1e6fd0ed1823de0f9
SHA100bc96c48b98676ecd67e81a6f1d7754e4156044
SHA2568e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15
SHA512a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04
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\ProgramData\Synaptics\Synaptics.exeMD5
c569f56bcbefee1fa6cbf2cbb4337d51
SHA17c5fc050ae6993dff95c989d8aa367f945c14241
SHA2565ce8ab18ff0861431d52b3a30e7d7cfc8921565b37334e574c114c01d0c093de
SHA5129b00c380ca42678c22be824c01f701caf85128825f1efa7ceb67acf0441ca5d1905009ddb74826868418453f3d96b599fd1323cf62d6bb1ea4b4232b024d32e1
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\ProgramData\Synaptics\Synaptics.exeMD5
c569f56bcbefee1fa6cbf2cbb4337d51
SHA17c5fc050ae6993dff95c989d8aa367f945c14241
SHA2565ce8ab18ff0861431d52b3a30e7d7cfc8921565b37334e574c114c01d0c093de
SHA5129b00c380ca42678c22be824c01f701caf85128825f1efa7ceb67acf0441ca5d1905009ddb74826868418453f3d96b599fd1323cf62d6bb1ea4b4232b024d32e1
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\Users\Admin\AppData\Local\Temp\._cache_a5a94b659b84c1420c1579553228fd553edc60f4be53d49c9fb7007304cc5db0.exeMD5
c37d148fae151ff4bb15abb50db31db9
SHA1e8a85cd9e015fa6fc2c8778578363581134eff51
SHA256962ba4c57c61b3d6445f79f51147a7437580af03e899f5cb8d0762a18369dc88
SHA512827ec9d186220199f92eace44090bb9b48f9eecae232064012c0aa9df7793620d0c12e44532dd9028a15d68af1fc59639a9a4ee0639aa3ee158ad6662bf51725
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memory/484-62-0x00000000001B0000-0x00000000001B1000-memory.dmpFilesize
4KB
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memory/484-60-0x0000000075EF1000-0x0000000075EF3000-memory.dmpFilesize
8KB
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memory/580-73-0x000000002FB01000-0x000000002FB04000-memory.dmpFilesize
12KB
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memory/580-74-0x0000000071981000-0x0000000071983000-memory.dmpFilesize
8KB
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memory/580-75-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1176-69-0x0000000000000000-mapping.dmp
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memory/1176-72-0x00000000001B0000-0x00000000001B1000-memory.dmpFilesize
4KB
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memory/2040-63-0x0000000000000000-mapping.dmp