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Analysis
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max time kernel
360s -
max time network
415s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
05/12/2022, 11:02
Static task
static1
Behavioral task
behavioral1
Sample
9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824.exe
Resource
win10v2004-20221111-en
General
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Target
9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824.exe
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Size
123KB
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MD5
b39940061d2447f0a540529663d47fee
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SHA1
3001629764db29162603afc950e5d047abaf7ebc
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SHA256
9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824
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SHA512
edff241233bd07b560329131ededb54bc41244e5b69fdfe83068901a8b3ff9296b90f5fbc4c46dcec7551908af6ba1828f2bfe13f5e1d8dd8598de846b45e97d
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SSDEEP
3072:mK6xkMtbYAaH2EOCLb0An/VtdcOJrclgTjJ:jeztbYACECdLSKjJ
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Nerirv = "C:\\Users\\Admin\\AppData\\Roaming\\Nerirv.cmd" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows\CurrentVersion\Run iexplore.exe -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{C2C16DA5-77DF-11ED-B5DD-DA2886E4F8F0} = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4440 9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824.exe 4440 9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824.exe 4440 9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4440 9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824.exe Token: SeDebugPrivilege 4856 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2256 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2256 IEXPLORE.EXE 2256 IEXPLORE.EXE 1016 IEXPLORE.EXE 1016 IEXPLORE.EXE 1016 IEXPLORE.EXE 1016 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4440 wrote to memory of 4856 4440 9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824.exe 81 PID 4440 wrote to memory of 4856 4440 9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824.exe 81 PID 4440 wrote to memory of 4856 4440 9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824.exe 81 PID 4440 wrote to memory of 4856 4440 9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824.exe 81 PID 4440 wrote to memory of 4856 4440 9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824.exe 81 PID 4856 wrote to memory of 2256 4856 iexplore.exe 82 PID 4856 wrote to memory of 2256 4856 iexplore.exe 82 PID 4856 wrote to memory of 2256 4856 iexplore.exe 82 PID 2256 wrote to memory of 1016 2256 IEXPLORE.EXE 83 PID 2256 wrote to memory of 1016 2256 IEXPLORE.EXE 83 PID 2256 wrote to memory of 1016 2256 IEXPLORE.EXE 83
Processes
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C:\Users\Admin\AppData\Local\Temp\9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824.exe"C:\Users\Admin\AppData\Local\Temp\9d97ff80e8242afaeb6c3bb68922fdcc08638b548272c0fac76357cb09cf7824.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4440 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"2⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4856 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE"3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2256 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2256 CREDAT:17410 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1016
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