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Analysis
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max time kernel
143s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
31/10/2023, 19:28
Static task
static1
Behavioral task
behavioral1
Sample
Fluster.Installer.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
Fluster.Installer.exe
Resource
win10v2004-20231020-en
General
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Target
Fluster.Installer.exe
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Size
20KB
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MD5
efa51e048948bf4d35a671d5e70d966d
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SHA1
a34040e4f8600b2bf5da78c352827fa884ac4a66
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SHA256
93418ec61e1f96a46e9f64b3858e3c8dd4f0530083d6eace8d691ef319d4535f
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SHA512
1b3536ca4df42ef23e04276db52f0e46e68b189c45ac9b5e00fb16996e3a720eb0d4ebd93b8a434c518c8189c93fe47f263b914d4021c5893f0361e2afa18d9d
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SSDEEP
384:vp01C2uxtRmV6d1Fd7irBYYgeaaQMgR7U3m8J:RfRs61F4uY3aaQMgR7U3m8J
Malware Config
Signatures
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Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeManageVolumePrivilege 2596 svchost.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3880 wrote to memory of 4436 3880 Fluster.Installer.exe 87 PID 3880 wrote to memory of 4436 3880 Fluster.Installer.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\Fluster.Installer.exe"C:\Users\Admin\AppData\Local\Temp\Fluster.Installer.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3880 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c pause2⤵PID:4436
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵PID:4908
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2596
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
16KB
MD50a9cfc392839bb6d9b3e5aec8faca439
SHA1c164d22e6fbb4a14e95ac626c45217061f953d89
SHA25619d9a7d2a01d221fc837ab4e51ce2000a11ed14cc738f5850a91ea302cf84401
SHA512df18b7eb22453fe7058a810f601c686132074b4c3c96cc1773f9e112c0acda17679665e831a7fe6ebf0728136af090817a2145681ebf3983d0688e36cac4609b