Analysis
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max time kernel
85s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
20-03-2024 14:03
Static task
static1
Behavioral task
behavioral1
Sample
003968f5.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
003968f5.exe
Resource
win10v2004-20240226-en
General
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Target
003968f5.exe
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Size
156KB
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MD5
3a1f9e592937513387c9c1880f795757
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SHA1
421b648186fb7be8e35c752f0aebf49aa0b702cb
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SHA256
90922294e0c48386680d8bd3aa24f571746f2413c401c8b5e40a10e5dac859f2
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SHA512
76a7693e5aaaabc25b1a9b036400617feeed5942cdae7fba9a8f5cccec22ab53140bd25f5f8e1a943a77dd49a02a49d03e4f3a62ae01e2d69b4be94185be5866
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SSDEEP
3072:Z612XVqqVIAlGDInCOx7EVgeLCStSrsfp4ZdWh9NRI+JcMb8tyvl9RXECagIQCs7:I1MTZNiLCSSrc4ZdWh9tqit9WgFTDN1h
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2548 cmd.exe -
Executes dropped EXE 2 IoCs
pid Process 1236 Explorer.EXE 468 services.exe -
Registers COM server for autorun 1 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\{f85fef7f-e40b-c0e2-41b6-8f348c3627af}\\n." 003968f5.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F3130CDB-AA52-4C3A-AB32-85FFC23AF9C1}\InprocServer32\ = "\\\\.\\globalroot\\systemroot\\Installer\\{f85fef7f-e40b-c0e2-41b6-8f348c3627af}\\n." 003968f5.exe Key created \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32 003968f5.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32\ThreadingModel = "Both" 003968f5.exe -
Unexpected DNS network traffic destination 9 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 66.85.130.234 Destination IP 66.85.130.234 Destination IP 66.85.130.234 Destination IP 66.85.130.234 Destination IP 66.85.130.234 Destination IP 66.85.130.234 Destination IP 66.85.130.234 Destination IP 66.85.130.234 Destination IP 66.85.130.234 -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1444 set thread context of 2548 1444 003968f5.exe 28 -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\Installer\{f85fef7f-e40b-c0e2-41b6-8f348c3627af}\@ 003968f5.exe File created C:\Windows\Installer\{f85fef7f-e40b-c0e2-41b6-8f348c3627af}\n 003968f5.exe -
Modifies registry class 6 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\clsid 003968f5.exe Key created \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1} 003968f5.exe Key created \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32 003968f5.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32\ThreadingModel = "Both" 003968f5.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\{f85fef7f-e40b-c0e2-41b6-8f348c3627af}\\n." 003968f5.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F3130CDB-AA52-4C3A-AB32-85FFC23AF9C1}\InprocServer32\ = "\\\\.\\globalroot\\systemroot\\Installer\\{f85fef7f-e40b-c0e2-41b6-8f348c3627af}\\n." 003968f5.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1444 003968f5.exe 1444 003968f5.exe 1444 003968f5.exe 1444 003968f5.exe 1444 003968f5.exe 1444 003968f5.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1444 003968f5.exe Token: SeDebugPrivilege 1444 003968f5.exe Token: SeDebugPrivilege 1444 003968f5.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1444 wrote to memory of 1236 1444 003968f5.exe 21 PID 1444 wrote to memory of 1236 1444 003968f5.exe 21 PID 1444 wrote to memory of 468 1444 003968f5.exe 6 PID 1444 wrote to memory of 2548 1444 003968f5.exe 28 PID 1444 wrote to memory of 2548 1444 003968f5.exe 28 PID 1444 wrote to memory of 2548 1444 003968f5.exe 28 PID 1444 wrote to memory of 2548 1444 003968f5.exe 28 PID 1444 wrote to memory of 2548 1444 003968f5.exe 28
Processes
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C:\Windows\system32\services.exeC:\Windows\system32\services.exe1⤵
- Executes dropped EXE
PID:468
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Executes dropped EXE
PID:1236 -
C:\Users\Admin\AppData\Local\Temp\003968f5.exe"C:\Users\Admin\AppData\Local\Temp\003968f5.exe"2⤵
- Registers COM server for autorun
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1444 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe"3⤵
- Deletes itself
PID:2548
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
26KB
MD5fab7de9eafea67f88e43003698024c86
SHA124a4ef27c29cdeabed5e0af867e3f568da40d0c9
SHA256073b1f99871dc56a33dcd55af71d53482816bfc9b3ce5c78ee53bed31b428384
SHA512b4a57a8cc564760526d4cce26ce24e80657c064df373c307bb90cf053d01d04bdfe1def41fedfeb7715e53d8481a98c94bc6f3bf33815b4571d898aa08553fcd
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Filesize
2KB
MD58a682d1af864a830f2cd31464dd8ca07
SHA19a480f2d24bbf3d77049f2d5c8fb72256d94f325
SHA25687e10dab7f31b72830d97f134416b976f070ce71f2da51552812b304363eb2b0
SHA51254eade08fef1a46e3737ccf914db6653c74a9a896ba64b64ece77d7bf36ed37f94082f17e12a6f4fe2c67f717315ec89f32354fce973d7f5b02bb83e0c19d840