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Analysis
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max time kernel
140s -
max time network
109s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
14/10/2024, 20:16
Static task
static1
Behavioral task
behavioral1
Sample
2e498bffce3087daaeb00163b1fa2f69a75ba13791136ba5b02f3067645cf8e5.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2e498bffce3087daaeb00163b1fa2f69a75ba13791136ba5b02f3067645cf8e5.exe
Resource
win10v2004-20241007-en
General
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Target
2e498bffce3087daaeb00163b1fa2f69a75ba13791136ba5b02f3067645cf8e5.exe
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Size
214KB
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MD5
9848d5d9ecbb39ffc7a53c8f8a532a84
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SHA1
be169ccf1b2d3b402623da80df38bb41f6678624
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SHA256
2e498bffce3087daaeb00163b1fa2f69a75ba13791136ba5b02f3067645cf8e5
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SHA512
91f41f16e73f70791ca16fa801a975d0c8d6eaeed741c6a22ded810fdc313871c440c8a271498bc1c0125910311d3a08e000ac459f9472a47a247f7a2359c5a5
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SSDEEP
6144:Oj2QjT0DE/GCV8eIzXTUq+9azw3+uH/3Kzq:MjTbGeATUFAoH/3K2
Malware Config
Signatures
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Drops desktop.ini file(s) 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\Documents\Fax\Personal CoverPages\desktop.ini 2e498bffce3087daaeb00163b1fa2f69a75ba13791136ba5b02f3067645cf8e5.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2e498bffce3087daaeb00163b1fa2f69a75ba13791136ba5b02f3067645cf8e5.exe -
Modifies registry class 9 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\FaxCover.Document\ = "Fax Cover Page" 2e498bffce3087daaeb00163b1fa2f69a75ba13791136ba5b02f3067645cf8e5.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FaxCover.Document\shell 2e498bffce3087daaeb00163b1fa2f69a75ba13791136ba5b02f3067645cf8e5.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FaxCover.Document\shell\open 2e498bffce3087daaeb00163b1fa2f69a75ba13791136ba5b02f3067645cf8e5.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FaxCover.Document\shell\print\command 2e498bffce3087daaeb00163b1fa2f69a75ba13791136ba5b02f3067645cf8e5.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FaxCover.Document\DefaultIcon 2e498bffce3087daaeb00163b1fa2f69a75ba13791136ba5b02f3067645cf8e5.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FaxCover.Document 2e498bffce3087daaeb00163b1fa2f69a75ba13791136ba5b02f3067645cf8e5.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FaxCover.Document\shell\open\command 2e498bffce3087daaeb00163b1fa2f69a75ba13791136ba5b02f3067645cf8e5.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FaxCover.Document\shell\print 2e498bffce3087daaeb00163b1fa2f69a75ba13791136ba5b02f3067645cf8e5.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\FaxCover.Document\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2e498bffce3087daaeb00163b1fa2f69a75ba13791136ba5b02f3067645cf8e5.exe,1" 2e498bffce3087daaeb00163b1fa2f69a75ba13791136ba5b02f3067645cf8e5.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2144 2e498bffce3087daaeb00163b1fa2f69a75ba13791136ba5b02f3067645cf8e5.exe 2144 2e498bffce3087daaeb00163b1fa2f69a75ba13791136ba5b02f3067645cf8e5.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2144 wrote to memory of 1600 2144 2e498bffce3087daaeb00163b1fa2f69a75ba13791136ba5b02f3067645cf8e5.exe 84 PID 2144 wrote to memory of 1600 2144 2e498bffce3087daaeb00163b1fa2f69a75ba13791136ba5b02f3067645cf8e5.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\2e498bffce3087daaeb00163b1fa2f69a75ba13791136ba5b02f3067645cf8e5.exe"C:\Users\Admin\AppData\Local\Temp\2e498bffce3087daaeb00163b1fa2f69a75ba13791136ba5b02f3067645cf8e5.exe"1⤵
- Drops desktop.ini file(s)
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2144 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:1600
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:964
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
83B
MD5598e1a868a65c0b66b59c088f52360ba
SHA154418059a2190ee09d84dd1dfb80ce44f1fc661e
SHA256c183370acb893e1c862bb094ffa9abc34af886933ef45a572d4bcf52f845bbb2
SHA512dce894ce4ffd8c2cc14a83d1416c0a2ea2d4abe02eda88cee571ecdba094c2d458b4f6644969cf0e96baf3367c286bfa01099400ae5d0cbe0b3ed97f8e803edd