Analysis
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max time kernel
117s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
23/04/2024, 05:29
Static task
static1
Behavioral task
behavioral1
Sample
ef1511d55951417334e1f7e0c2a1f58235d4c211017e3feda12a4b08f22f3a24.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
ef1511d55951417334e1f7e0c2a1f58235d4c211017e3feda12a4b08f22f3a24.exe
Resource
win10v2004-20240412-en
General
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Target
ef1511d55951417334e1f7e0c2a1f58235d4c211017e3feda12a4b08f22f3a24.exe
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Size
84KB
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MD5
d83a51b75fbcc5ef72279abda4707761
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SHA1
4671af4903b60e8d0fe37c604d2e02c3bcbd77e0
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SHA256
ef1511d55951417334e1f7e0c2a1f58235d4c211017e3feda12a4b08f22f3a24
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SHA512
13ae0b4b4d169179de057cfc2c591b4ee3a631dab9a5f198a9a798aa35e5f4bf0b8a9d4ce2244cd056f68a81c04d8d66c6725c910759be03288e92649d2b9046
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SSDEEP
768:+G8QAWLF1kxzPJvTRfT04ClTOPkvkvejKcrtnP/s2DBnoAZq5F4CCK6KcgMJnj:VCWLF1kxzLL04Cl8qrtzho7yKwnj
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2164 Winkvxi.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Winkvxi.exe ef1511d55951417334e1f7e0c2a1f58235d4c211017e3feda12a4b08f22f3a24.exe File created C:\Windows\SysWOW64\Winkvxi.exe ef1511d55951417334e1f7e0c2a1f58235d4c211017e3feda12a4b08f22f3a24.exe File opened for modification C:\Windows\SysWOW64\Winkvxi.exe Winkvxi.exe File created C:\Windows\SysWOW64\Winkvxi.exe Winkvxi.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeTcbPrivilege 1736 ef1511d55951417334e1f7e0c2a1f58235d4c211017e3feda12a4b08f22f3a24.exe Token: SeTcbPrivilege 2164 Winkvxi.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ef1511d55951417334e1f7e0c2a1f58235d4c211017e3feda12a4b08f22f3a24.exe"C:\Users\Admin\AppData\Local\Temp\ef1511d55951417334e1f7e0c2a1f58235d4c211017e3feda12a4b08f22f3a24.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:1736
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C:\Windows\SysWOW64\Winkvxi.exeC:\Windows\SysWOW64\Winkvxi.exe1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:2164
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
80KB
MD516b4c5555fbc8c923adffc510f54593c
SHA173b9aacb6960701b45d0efe75fb6ff4c2e9c0dd6
SHA256b6f3a5cb60212b2c13866dd2840a16c9d262b8313d6eff1e5d7a6b04fe73d1ca
SHA512c9be4396f170e190440a25ef98437b092e89f61971c2dbeadf9c72e51f3aff540756ae25c1a368952e7d5c5820016538cb9bedeec2ed1d5f72d65d577a9c9afa