Analysis
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max time kernel
12s -
max time network
14s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
01-07-2024 10:11
Static task
static1
General
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Target
F-SecureOnlineScanner.exe
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Size
13.2MB
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MD5
d55e98db94c13103618b16aea55c0de2
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SHA1
eb0dc4e5ba77b5570201d84d8e22635be0736dbe
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SHA256
95a893e07197a813a6d23fa5a35abcec8831197b17ea835e6fd32f2000171cf8
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SHA512
d64d22e4004156e6d348be8f5a1d514864e233d20547ca0893ca20bdd4c36d4ead1fc0555c6fbfe65cb0ca1f076de2735243c14d4d1c6bb90dc52b7fb74393f0
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SSDEEP
393216:XKWUuGCWX+wK9EI84FmdyC8rY3PzDM8IWLlYI:33Gv+wKmIHFl43XYI
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4200 fssos.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\F-Secure.CCFIPCNames fssos.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\F-Secure.CCFIPCNames\{17D22746-B60F-428b-ACD6-6E3B0599645A} = "16374108741759063328" fssos.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\F-Secure.CCFIPCNames\{17D22746-B60F-428b-ACD6-6E3B0599645A} fssos.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4200 fssos.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2544 wrote to memory of 4200 2544 F-SecureOnlineScanner.exe 82 PID 2544 wrote to memory of 4200 2544 F-SecureOnlineScanner.exe 82 PID 2544 wrote to memory of 4200 2544 F-SecureOnlineScanner.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\F-SecureOnlineScanner.exe"C:\Users\Admin\AppData\Local\Temp\F-SecureOnlineScanner.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2544 -
C:\Users\Admin\AppData\Local\FSDART\e551174c-4f16-4c83-87f4-a6484d746383\fssos.exe"C:\Users\Admin\AppData\Local\FSDART\e551174c-4f16-4c83-87f4-a6484d746383\fssos.exe"2⤵
- Executes dropped EXE
- Modifies registry class
- Suspicious use of FindShellTrayWindow
PID:4200
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
1.2MB
MD55524dd3cbd6829a7f0fad2ef41fd4539
SHA17a1663a7de8ad27a19e08f3e6a17cb0284b7ef6e
SHA256c85612968565135b12b9411b4d7743c93014f719be8646aa0a052d070626cc44
SHA51221b39d1c23011f6bb430b28c6afe01be92dbba0861f926eb67a9ca44b8ea82df41e01c750a926fe88bdf2c1f492d67d9f99606314020aff6e5ae890a1fa3ec8b