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Analysis
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max time kernel
133s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
19/09/2022, 18:27
Static task
static1
Behavioral task
behavioral1
Sample
eff4b0ef791434d123670c4729fc88c36786e6f353150d3fa35325832f967330.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
eff4b0ef791434d123670c4729fc88c36786e6f353150d3fa35325832f967330.exe
Resource
win10v2004-20220812-en
General
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Target
eff4b0ef791434d123670c4729fc88c36786e6f353150d3fa35325832f967330.exe
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Size
631KB
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MD5
0e57c551b83cc1c5ae63721fd8eaf4a1
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SHA1
e93fe1bbc31984fcb145a4e541630d51dfeaec20
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SHA256
eff4b0ef791434d123670c4729fc88c36786e6f353150d3fa35325832f967330
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SHA512
7eb583c8486fe204033e6f926ce9652e2b45b9d2715bfba55a5d06afdb845b8ea888cce8109930176d11d103a5985f33ae586f4030de92d5209b6160481f62f8
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SSDEEP
12288:z61nWxB4w8VwYHKenvmNEn1UJRNuIHw4F3Z4mxx+fFpCDRGNyHIxn:2MU5HKeONE1UJq8QmXCpCDcksn
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4956 System.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\System.exe eff4b0ef791434d123670c4729fc88c36786e6f353150d3fa35325832f967330.exe File opened for modification C:\Windows\System.exe eff4b0ef791434d123670c4729fc88c36786e6f353150d3fa35325832f967330.exe -
Modifies data under HKEY_USERS 5 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" System.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" System.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" System.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ System.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" System.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4364 eff4b0ef791434d123670c4729fc88c36786e6f353150d3fa35325832f967330.exe Token: SeDebugPrivilege 4956 System.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4956 System.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4956 wrote to memory of 4996 4956 System.exe 79 PID 4956 wrote to memory of 4996 4956 System.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\eff4b0ef791434d123670c4729fc88c36786e6f353150d3fa35325832f967330.exe"C:\Users\Admin\AppData\Local\Temp\eff4b0ef791434d123670c4729fc88c36786e6f353150d3fa35325832f967330.exe"1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4364
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C:\Windows\System.exeC:\Windows\System.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4956 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE"2⤵PID:4996
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
631KB
MD50e57c551b83cc1c5ae63721fd8eaf4a1
SHA1e93fe1bbc31984fcb145a4e541630d51dfeaec20
SHA256eff4b0ef791434d123670c4729fc88c36786e6f353150d3fa35325832f967330
SHA5127eb583c8486fe204033e6f926ce9652e2b45b9d2715bfba55a5d06afdb845b8ea888cce8109930176d11d103a5985f33ae586f4030de92d5209b6160481f62f8
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Filesize
631KB
MD50e57c551b83cc1c5ae63721fd8eaf4a1
SHA1e93fe1bbc31984fcb145a4e541630d51dfeaec20
SHA256eff4b0ef791434d123670c4729fc88c36786e6f353150d3fa35325832f967330
SHA5127eb583c8486fe204033e6f926ce9652e2b45b9d2715bfba55a5d06afdb845b8ea888cce8109930176d11d103a5985f33ae586f4030de92d5209b6160481f62f8