Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2022 09:13
Static task
static1
Behavioral task
behavioral1
Sample
e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exe
Resource
win10v2004-20220812-en
General
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Target
e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exe
-
Size
1.5MB
-
MD5
890f3672290db221fefe12453c286a85
-
SHA1
77b4e8d4fb025a380f0dbbb0eb84fc667baa9329
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SHA256
e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b
-
SHA512
791ae0f63d532d2b573088ec502234b278be43f9fdc6c449eb0fe525f7f198717733197c93a7cf5b8ed5dec4a2a0ea7ed56b215ed390934873075ea30d3138f5
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SSDEEP
24576:WnsJ39LyjbJkQFMhmC+6GD9JNF+hFZfTuK3OrOj2XbZj:WnsHyjtk2MYC5GDHNFSfTjQ9Xh
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
._cache_e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exeSynaptics.exepid process 3404 ._cache_e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exe 1136 Synaptics.exe -
Processes:
resource yara_rule behavioral2/memory/3404-135-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/3404-137-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/3404-136-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/3404-139-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/3404-141-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/3404-144-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/3404-148-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/3404-150-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/3404-152-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/3404-154-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/3404-156-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/3404-158-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/3404-160-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/3404-162-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/3404-164-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/3404-166-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/3404-168-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/3404-170-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/3404-172-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/3404-174-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/3404-176-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/3404-178-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/3404-180-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/3404-188-0x0000000010000000-0x000000001003E000-memory.dmp upx -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe" e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 -
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 -
Modifies registry class 1 IoCs
Processes:
e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1732 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 9 IoCs
Processes:
._cache_e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exeEXCEL.EXEpid process 3404 ._cache_e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exe 3404 ._cache_e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exe 3404 ._cache_e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exe 1732 EXCEL.EXE 1732 EXCEL.EXE 1732 EXCEL.EXE 1732 EXCEL.EXE 1732 EXCEL.EXE 1732 EXCEL.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exedescription pid process target process PID 2736 wrote to memory of 3404 2736 e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exe ._cache_e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exe PID 2736 wrote to memory of 3404 2736 e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exe ._cache_e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exe PID 2736 wrote to memory of 3404 2736 e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exe ._cache_e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exe PID 2736 wrote to memory of 1136 2736 e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exe Synaptics.exe PID 2736 wrote to memory of 1136 2736 e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exe Synaptics.exe PID 2736 wrote to memory of 1136 2736 e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exe Synaptics.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exe"C:\Users\Admin\AppData\Local\Temp\e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\._cache_e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exe"C:\Users\Admin\AppData\Local\Temp\._cache_e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.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
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\ProgramData\Synaptics\Synaptics.exeFilesize
744KB
MD5607664139b3d12481f8e06a4a51436ad
SHA1d09f793c56328c937af190aaed153f777173d9a0
SHA256d2393235e1590b5e5c25e9e22516e942a63d59be2ded74831adae516b448d959
SHA512ef81f17c5a280ccc703a8172e499da97492aeab8777adca0d70045791f3270e5687ed87b1866154811507b799959cd5fb1744404c6d8b581d439770126d5865f
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C:\ProgramData\Synaptics\Synaptics.exeFilesize
744KB
MD5607664139b3d12481f8e06a4a51436ad
SHA1d09f793c56328c937af190aaed153f777173d9a0
SHA256d2393235e1590b5e5c25e9e22516e942a63d59be2ded74831adae516b448d959
SHA512ef81f17c5a280ccc703a8172e499da97492aeab8777adca0d70045791f3270e5687ed87b1866154811507b799959cd5fb1744404c6d8b581d439770126d5865f
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C:\Users\Admin\AppData\Local\Temp\._cache_e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exeFilesize
820KB
MD5d9baee7afd3b73e19fd7cc51636eef43
SHA19a27c38cdf307b801f23890fda1faaa6cc574f9d
SHA256d96d0f354b9b926131093457681b12b10335cf1ecdfb8466edfd205c12331e10
SHA512f6867494dcf94a8a9a01c728671e8bf89f541970de83d2d14d1892581fb78faa6a69a2677d1225c5119f099f0150d1b159285041164cefdd947dc3c525057b22
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C:\Users\Admin\AppData\Local\Temp\._cache_e8c60b69482b17b4039522743682c780a41a3bdef900eeffe136b50f3215d23b.exeFilesize
820KB
MD5d9baee7afd3b73e19fd7cc51636eef43
SHA19a27c38cdf307b801f23890fda1faaa6cc574f9d
SHA256d96d0f354b9b926131093457681b12b10335cf1ecdfb8466edfd205c12331e10
SHA512f6867494dcf94a8a9a01c728671e8bf89f541970de83d2d14d1892581fb78faa6a69a2677d1225c5119f099f0150d1b159285041164cefdd947dc3c525057b22
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C:\Users\Admin\AppData\Local\Temp\yj7W9eN2.xlsmFilesize
17KB
MD5e566fc53051035e1e6fd0ed1823de0f9
SHA100bc96c48b98676ecd67e81a6f1d7754e4156044
SHA2568e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15
SHA512a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04
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memory/1136-142-0x0000000000000000-mapping.dmp
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memory/1732-184-0x00007FF7CC670000-0x00007FF7CC680000-memory.dmpFilesize
64KB
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memory/1732-183-0x00007FF7CC670000-0x00007FF7CC680000-memory.dmpFilesize
64KB
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memory/1732-185-0x00007FF7CC670000-0x00007FF7CC680000-memory.dmpFilesize
64KB
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memory/1732-182-0x00007FF7CC670000-0x00007FF7CC680000-memory.dmpFilesize
64KB
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memory/1732-186-0x00007FF7CA1E0000-0x00007FF7CA1F0000-memory.dmpFilesize
64KB
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memory/1732-187-0x00007FF7CA1E0000-0x00007FF7CA1F0000-memory.dmpFilesize
64KB
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memory/1732-181-0x00007FF7CC670000-0x00007FF7CC680000-memory.dmpFilesize
64KB
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memory/3404-160-0x0000000010000000-0x000000001003E000-memory.dmpFilesize
248KB
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memory/3404-176-0x0000000010000000-0x000000001003E000-memory.dmpFilesize
248KB
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memory/3404-154-0x0000000010000000-0x000000001003E000-memory.dmpFilesize
248KB
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memory/3404-156-0x0000000010000000-0x000000001003E000-memory.dmpFilesize
248KB
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memory/3404-158-0x0000000010000000-0x000000001003E000-memory.dmpFilesize
248KB
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memory/3404-150-0x0000000010000000-0x000000001003E000-memory.dmpFilesize
248KB
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memory/3404-162-0x0000000010000000-0x000000001003E000-memory.dmpFilesize
248KB
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memory/3404-164-0x0000000010000000-0x000000001003E000-memory.dmpFilesize
248KB
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memory/3404-166-0x0000000010000000-0x000000001003E000-memory.dmpFilesize
248KB
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memory/3404-168-0x0000000010000000-0x000000001003E000-memory.dmpFilesize
248KB
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memory/3404-170-0x0000000010000000-0x000000001003E000-memory.dmpFilesize
248KB
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memory/3404-172-0x0000000010000000-0x000000001003E000-memory.dmpFilesize
248KB
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memory/3404-174-0x0000000010000000-0x000000001003E000-memory.dmpFilesize
248KB
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memory/3404-152-0x0000000010000000-0x000000001003E000-memory.dmpFilesize
248KB
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memory/3404-178-0x0000000010000000-0x000000001003E000-memory.dmpFilesize
248KB
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memory/3404-180-0x0000000010000000-0x000000001003E000-memory.dmpFilesize
248KB
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memory/3404-148-0x0000000010000000-0x000000001003E000-memory.dmpFilesize
248KB
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memory/3404-144-0x0000000010000000-0x000000001003E000-memory.dmpFilesize
248KB
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memory/3404-141-0x0000000010000000-0x000000001003E000-memory.dmpFilesize
248KB
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memory/3404-139-0x0000000010000000-0x000000001003E000-memory.dmpFilesize
248KB
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memory/3404-136-0x0000000010000000-0x000000001003E000-memory.dmpFilesize
248KB
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memory/3404-137-0x0000000010000000-0x000000001003E000-memory.dmpFilesize
248KB
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memory/3404-135-0x0000000010000000-0x000000001003E000-memory.dmpFilesize
248KB
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memory/3404-188-0x0000000010000000-0x000000001003E000-memory.dmpFilesize
248KB
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memory/3404-132-0x0000000000000000-mapping.dmp