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Analysis
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max time kernel
141s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
15/07/2023, 11:10
Static task
static1
Behavioral task
behavioral1
Sample
3c3e7584167cacexeexe_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
3c3e7584167cacexeexe_JC.exe
Resource
win10v2004-20230703-en
General
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Target
3c3e7584167cacexeexe_JC.exe
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Size
408KB
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MD5
3c3e7584167cac0aaa037aed8db14422
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SHA1
d0d11815ff0398cf14ca6ebb33a6e12690a7f149
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SHA256
cfdcaab792d5559e0d5d9489d34828e177e7c61eab02bb7404ccf45690a3e9ff
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SHA512
d83570035c293393b36c44463b7f9ff97f7bf1ae6fed1f0865de4947b2f7993f04b8c6eebfe048aed412bf368d6eb606db7cb55083d84cce84cfb35d6b6771e6
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SSDEEP
12288:4plrVbDdQaqdS/ofraFErH8uB2Wm0SXsNr5FU:kxRQ+Fucuvm0as
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4344 upgrade.exe -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\errors\upgrade.exe 3c3e7584167cacexeexe_JC.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4124 3c3e7584167cacexeexe_JC.exe 4124 3c3e7584167cacexeexe_JC.exe 4124 3c3e7584167cacexeexe_JC.exe 4124 3c3e7584167cacexeexe_JC.exe 4344 upgrade.exe 4344 upgrade.exe 4344 upgrade.exe 4344 upgrade.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4124 wrote to memory of 4344 4124 3c3e7584167cacexeexe_JC.exe 86 PID 4124 wrote to memory of 4344 4124 3c3e7584167cacexeexe_JC.exe 86 PID 4124 wrote to memory of 4344 4124 3c3e7584167cacexeexe_JC.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\3c3e7584167cacexeexe_JC.exe"C:\Users\Admin\AppData\Local\Temp\3c3e7584167cacexeexe_JC.exe"1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4124 -
C:\Program Files\errors\upgrade.exe"C:\Program Files\errors\upgrade.exe" "33201"2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4344
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
408KB
MD5d8d84ca68313d72162e0df26c25e8b3b
SHA1519b1f943cb03ec706a702190002bcfdd3f1fdbb
SHA2569dc5c69b10d1822aec725588c6da1518b2b3529b31b7c455a520c4482e317124
SHA512cb8cd646ecd4cce116998789adb26b73699f903ff276053d05d0d705eb1822f1de83eff7740b4d65366bdd8c489e98f3c2ddc2934b23a5df01c5f04331e33fb1
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Filesize
408KB
MD5d8d84ca68313d72162e0df26c25e8b3b
SHA1519b1f943cb03ec706a702190002bcfdd3f1fdbb
SHA2569dc5c69b10d1822aec725588c6da1518b2b3529b31b7c455a520c4482e317124
SHA512cb8cd646ecd4cce116998789adb26b73699f903ff276053d05d0d705eb1822f1de83eff7740b4d65366bdd8c489e98f3c2ddc2934b23a5df01c5f04331e33fb1