Analysis
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max time kernel
149s -
max time network
152s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
15-05-2021 04:22
Static task
static1
Behavioral task
behavioral1
Sample
f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe
Resource
win10v20210410
windows10_x64
0 signatures
0 seconds
General
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Target
f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe
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Size
474KB
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MD5
625ded2dda29d1d3455f780d2f9dcd95
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SHA1
97fabd1f49828704a6e9f48d1e2b3d2c0c323be4
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SHA256
f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41
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SHA512
fbb6095a6ab79ab502ef6a63ed14bdc558da17ee8f4a962aad8dbb807c5ff4029feecb21b70f3df682830d0e8c1d7b88652cc41b233d0ddbe9754d27c13e7d38
Score
10/10
Malware Config
Signatures
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RevcodeRat, WebMonitorRat
WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.
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resource yara_rule behavioral1/memory/1284-61-0x0000000000400000-0x00000000004C1000-memory.dmp upx behavioral1/memory/1284-70-0x0000000000400000-0x00000000004C1000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\WebMonitor-3033 = "C:\\Users\\Admin\\AppData\\Roaming\\WebMonitor-3033.exe" f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1676 set thread context of 1284 1676 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe 26 PID 1676 set thread context of 1976 1676 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe 27 PID 1676 set thread context of 2004 1676 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe 28 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327835241" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{69434B31-B55E-11EB-8528-FAFEA7710D2E} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe -
Runs regedit.exe 1 IoCs
pid Process 1976 regedit.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1284 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2004 iexplore.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 1676 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe 2004 iexplore.exe 2004 iexplore.exe 2020 IEXPLORE.EXE 2020 IEXPLORE.EXE 2020 IEXPLORE.EXE 2020 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 1676 wrote to memory of 1284 1676 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe 26 PID 1676 wrote to memory of 1284 1676 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe 26 PID 1676 wrote to memory of 1284 1676 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe 26 PID 1676 wrote to memory of 1284 1676 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe 26 PID 1676 wrote to memory of 1284 1676 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe 26 PID 1676 wrote to memory of 1284 1676 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe 26 PID 1676 wrote to memory of 1284 1676 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe 26 PID 1676 wrote to memory of 1284 1676 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe 26 PID 1676 wrote to memory of 1976 1676 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe 27 PID 1676 wrote to memory of 1976 1676 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe 27 PID 1676 wrote to memory of 1976 1676 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe 27 PID 1676 wrote to memory of 1976 1676 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe 27 PID 1676 wrote to memory of 1976 1676 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe 27 PID 1676 wrote to memory of 1976 1676 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe 27 PID 1676 wrote to memory of 1976 1676 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe 27 PID 1676 wrote to memory of 1976 1676 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe 27 PID 1676 wrote to memory of 2004 1676 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe 28 PID 1676 wrote to memory of 2004 1676 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe 28 PID 1676 wrote to memory of 2004 1676 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe 28 PID 1676 wrote to memory of 2004 1676 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe 28 PID 1676 wrote to memory of 2004 1676 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe 28 PID 1676 wrote to memory of 2004 1676 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe 28 PID 1676 wrote to memory of 2004 1676 f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe 28 PID 2004 wrote to memory of 2020 2004 iexplore.exe 30 PID 2004 wrote to memory of 2020 2004 iexplore.exe 30 PID 2004 wrote to memory of 2020 2004 iexplore.exe 30 PID 2004 wrote to memory of 2020 2004 iexplore.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe"C:\Users\Admin\AppData\Local\Temp\f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1676 -
C:\Users\Admin\AppData\Local\Temp\f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe"C:\Users\Admin\AppData\Local\Temp\f31acaa61eb7564b39d01aec2e7c176ca774334ea611aec8ffbf712a0c209a41.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: RenamesItself
PID:1284
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C:\Windows\SysWOW64\regedit.exe"C:\Windows\regedit.exe"2⤵
- Runs regedit.exe
PID:1976
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2004 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2004 CREDAT:275457 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2020
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