Analysis
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max time kernel
124s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
16/06/2024, 02:37
Static task
static1
Behavioral task
behavioral1
Sample
cac15904d0648354e1be36563c14cca8c791795c143a90ee3c1ad43a12478bc7.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
cac15904d0648354e1be36563c14cca8c791795c143a90ee3c1ad43a12478bc7.exe
Resource
win10v2004-20240611-en
General
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Target
cac15904d0648354e1be36563c14cca8c791795c143a90ee3c1ad43a12478bc7.exe
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Size
1.6MB
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MD5
ecbf30c0f9d01f0347f738659d8d5910
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SHA1
cad2fc9a833a23a43c08aeb193d2ada35c45d10e
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SHA256
cac15904d0648354e1be36563c14cca8c791795c143a90ee3c1ad43a12478bc7
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SHA512
197c7910b988c93ad8cb371b921f83d17f81cffedc4460d26c0d84f4116b2da47c27fbfc8ad65c626eea8c7e8da127c1662378e3b1a3c06afb75e966d7dd0abf
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SSDEEP
24576:7LILY8Xu/3y8UsG2BgYLicwnkYCHdebUKyZURQ1TgjTv:sYrC8UsGuTwNCHdeQKyZURQ1EjTv
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation cac15904d0648354e1be36563c14cca8c791795c143a90ee3c1ad43a12478bc7.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mls = "\"C:\\Users\\Admin\\AppData\\Roaming\\RAC\\mls.exe\" -s" cac15904d0648354e1be36563c14cca8c791795c143a90ee3c1ad43a12478bc7.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000_Classes\Local Settings cac15904d0648354e1be36563c14cca8c791795c143a90ee3c1ad43a12478bc7.exe -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 4868 WINWORD.EXE 4868 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 4868 WINWORD.EXE 4868 WINWORD.EXE 4868 WINWORD.EXE 4868 WINWORD.EXE 4868 WINWORD.EXE 4868 WINWORD.EXE 4868 WINWORD.EXE 4868 WINWORD.EXE 4868 WINWORD.EXE 4868 WINWORD.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1288 wrote to memory of 4868 1288 cac15904d0648354e1be36563c14cca8c791795c143a90ee3c1ad43a12478bc7.exe 90 PID 1288 wrote to memory of 4868 1288 cac15904d0648354e1be36563c14cca8c791795c143a90ee3c1ad43a12478bc7.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\cac15904d0648354e1be36563c14cca8c791795c143a90ee3c1ad43a12478bc7.exe"C:\Users\Admin\AppData\Local\Temp\cac15904d0648354e1be36563c14cca8c791795c143a90ee3c1ad43a12478bc7.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1288 -
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\cac15904d0648354e1be36563c14cca8c791795c143a90ee3c1ad43a12478bc7.docx" /o ""2⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4868
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4184,i,11751898164297348119,13021661521765644467,262144 --variations-seed-version --mojo-platform-channel-handle=3928 /prefetch:81⤵PID:2560
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.6MB
MD5ecbf30c0f9d01f0347f738659d8d5910
SHA1cad2fc9a833a23a43c08aeb193d2ada35c45d10e
SHA256cac15904d0648354e1be36563c14cca8c791795c143a90ee3c1ad43a12478bc7
SHA512197c7910b988c93ad8cb371b921f83d17f81cffedc4460d26c0d84f4116b2da47c27fbfc8ad65c626eea8c7e8da127c1662378e3b1a3c06afb75e966d7dd0abf
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Filesize
263KB
MD5ff0e07eff1333cdf9fc2523d323dd654
SHA177a1ae0dd8dbc3fee65dd6266f31e2a564d088a4
SHA2563f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5
SHA512b4615f995fab87661c2dbe46625aa982215d7bde27cafae221dca76087fe76da4b4a381943436fcac1577cb3d260d0050b32b7b93e3eb07912494429f126bb3d
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C:\Users\Admin\AppData\Local\Temp\cac15904d0648354e1be36563c14cca8c791795c143a90ee3c1ad43a12478bc7.docx
Filesize9KB
MD55c8ddbe9afb9e159b17a7ee015772848
SHA13a35ca11b44cafe6668a35f92e0b8d63f5d6db7f
SHA256d98275ea1080f6e42b000e422de4d775eccab3695acef872643b05902129e59b
SHA512ee66bddebc6754f0a466538528132e9292b23b334dc9b4a49707cd8c62eb45e8d5c9222af7deafde11021f82ff742427f7097dbc9627be9a39d1b04c5741edee