Analysis
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max time kernel
119s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
31/12/2023, 04:00
Static task
static1
Behavioral task
behavioral1
Sample
274756282f634c01a926028fc51a99aa.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
274756282f634c01a926028fc51a99aa.exe
Resource
win10v2004-20231215-en
General
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Target
274756282f634c01a926028fc51a99aa.exe
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Size
26KB
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MD5
274756282f634c01a926028fc51a99aa
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SHA1
98407d47b4f8c35d9eda245fff496065f678ae41
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SHA256
6e18bd61fd3740f8d1b7f45fa29a55d74fc849e79eeee6b5b14ae6b77d0e1115
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SHA512
a3d01869e93fc55e5720b781d625099c7d09417b18e45b72b011bac5f295b0e4db12f2a66bc689d1a41f6ab3d441fb052981ca193581d75c26fb1d16ddca4c7b
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SSDEEP
768:rTvbx4UaWtyQGhcoxV92VnUMYFFZlprZpKEw:rTzGU6DOoP9Osw
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 2516 274756282f634c01a926028fc51a99aa.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\xyupri0.dll 274756282f634c01a926028fc51a99aa.exe File opened for modification C:\Windows\SysWOW64\xyupri0.dll 274756282f634c01a926028fc51a99aa.exe -
Modifies registry class 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E3F426F6-42A5-A29E-8634-BC694A88FB7D} 274756282f634c01a926028fc51a99aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E3F426F6-42A5-A29E-8634-BC694A88FB7D}\ExeModuleName = "C:\\Users\\Admin\\AppData\\Local\\Temp\\274756282f634c01a926028fc51a99aa.exe" 274756282f634c01a926028fc51a99aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E3F426F6-42A5-A29E-8634-BC694A88FB7D}\DllModuleName = "C:\\Windows\\SysWow64\\xyupri0.dll" 274756282f634c01a926028fc51a99aa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E3F426F6-42A5-A29E-8634-BC694A88FB7D}\SobjEventName = "CZXSDERDAKSTXMH_0" 274756282f634c01a926028fc51a99aa.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2516 274756282f634c01a926028fc51a99aa.exe 2516 274756282f634c01a926028fc51a99aa.exe 2516 274756282f634c01a926028fc51a99aa.exe 2516 274756282f634c01a926028fc51a99aa.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2516 274756282f634c01a926028fc51a99aa.exe -
Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2516 wrote to memory of 1256 2516 274756282f634c01a926028fc51a99aa.exe 19
Processes
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C:\Users\Admin\AppData\Local\Temp\274756282f634c01a926028fc51a99aa.exe"C:\Users\Admin\AppData\Local\Temp\274756282f634c01a926028fc51a99aa.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2516
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1256
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
20KB
MD5d45f4f13feec4ef295052c40651a4073
SHA1802b0d2546da2943e9fa6680d1e6fee4caf58689
SHA256bcf175bbbad751c37cac1e7c1b72e8406a2415d1f3d683ad05e8297c989c591b
SHA51218042bb7581e8f35a365f9b0e31045e6373bdf1a8f1f39f03a2b8cf17436926bb85536164998b1235a329137f74b33d7b7057eba889d85190a7c0a48f5dc9b5e