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Analysis
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max time kernel
130s -
max time network
135s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
03/12/2022, 12:26
Static task
static1
Behavioral task
behavioral1
Sample
d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c.exe
Resource
win10v2004-20220812-en
General
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Target
d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c.exe
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Size
220KB
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MD5
901a8d336b88c0917c995b07ce1c433d
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SHA1
99aab204407cd7f515df8f961a7268cff74cd5f6
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SHA256
d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c
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SHA512
3d4c8457cda746eabdb0910713119aa50ea47a98c18591e9bc3d38972ae6f8af3a9df84d15fdce52e35e0a766f19b168eeab473b86eefaeb701dc3a21263c69d
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SSDEEP
3072:WZ9D0m1KKwITtrgQ5F05+N1WuZeCnfD1IMOLUTEEQDMRLp39/BiVeJio9S:WZJMRQPYa1WyeSfa1kfQCpt/4VeT
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 1276 Rpeyep.exe 636 Rpeyep.exe -
Loads dropped DLL 2 IoCs
pid Process 1124 d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c.exe 1124 d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rpeyep = "C:\\Users\\Admin\\AppData\\Roaming\\Rpeyep.exe" d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1468 set thread context of 1124 1468 d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c.exe 27 PID 1276 set thread context of 636 1276 Rpeyep.exe 29 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{95BE5C21-7566-11ED-A03D-460E09B1FADA} = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "377096879" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\InternetRegistry IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1124 d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 636 Rpeyep.exe Token: SeDebugPrivilege 844 IEXPLORE.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1672 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1672 IEXPLORE.EXE 1672 IEXPLORE.EXE 844 IEXPLORE.EXE 844 IEXPLORE.EXE 844 IEXPLORE.EXE 844 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 1468 wrote to memory of 1124 1468 d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c.exe 27 PID 1468 wrote to memory of 1124 1468 d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c.exe 27 PID 1468 wrote to memory of 1124 1468 d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c.exe 27 PID 1468 wrote to memory of 1124 1468 d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c.exe 27 PID 1468 wrote to memory of 1124 1468 d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c.exe 27 PID 1468 wrote to memory of 1124 1468 d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c.exe 27 PID 1468 wrote to memory of 1124 1468 d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c.exe 27 PID 1468 wrote to memory of 1124 1468 d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c.exe 27 PID 1468 wrote to memory of 1124 1468 d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c.exe 27 PID 1468 wrote to memory of 1124 1468 d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c.exe 27 PID 1124 wrote to memory of 1276 1124 d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c.exe 28 PID 1124 wrote to memory of 1276 1124 d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c.exe 28 PID 1124 wrote to memory of 1276 1124 d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c.exe 28 PID 1124 wrote to memory of 1276 1124 d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c.exe 28 PID 1276 wrote to memory of 636 1276 Rpeyep.exe 29 PID 1276 wrote to memory of 636 1276 Rpeyep.exe 29 PID 1276 wrote to memory of 636 1276 Rpeyep.exe 29 PID 1276 wrote to memory of 636 1276 Rpeyep.exe 29 PID 1276 wrote to memory of 636 1276 Rpeyep.exe 29 PID 1276 wrote to memory of 636 1276 Rpeyep.exe 29 PID 1276 wrote to memory of 636 1276 Rpeyep.exe 29 PID 1276 wrote to memory of 636 1276 Rpeyep.exe 29 PID 1276 wrote to memory of 636 1276 Rpeyep.exe 29 PID 1276 wrote to memory of 636 1276 Rpeyep.exe 29 PID 636 wrote to memory of 560 636 Rpeyep.exe 30 PID 636 wrote to memory of 560 636 Rpeyep.exe 30 PID 636 wrote to memory of 560 636 Rpeyep.exe 30 PID 636 wrote to memory of 560 636 Rpeyep.exe 30 PID 560 wrote to memory of 1672 560 iexplore.exe 31 PID 560 wrote to memory of 1672 560 iexplore.exe 31 PID 560 wrote to memory of 1672 560 iexplore.exe 31 PID 560 wrote to memory of 1672 560 iexplore.exe 31 PID 1672 wrote to memory of 844 1672 IEXPLORE.EXE 33 PID 1672 wrote to memory of 844 1672 IEXPLORE.EXE 33 PID 1672 wrote to memory of 844 1672 IEXPLORE.EXE 33 PID 1672 wrote to memory of 844 1672 IEXPLORE.EXE 33 PID 636 wrote to memory of 844 636 Rpeyep.exe 33 PID 636 wrote to memory of 844 636 Rpeyep.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c.exe"C:\Users\Admin\AppData\Local\Temp\d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1468 -
C:\Users\Admin\AppData\Local\Temp\d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c.exe"C:\Users\Admin\AppData\Local\Temp\d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c.exe"2⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1124 -
C:\Users\Admin\AppData\Roaming\Rpeyep.exe"C:\Users\Admin\AppData\Roaming\Rpeyep.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1276 -
C:\Users\Admin\AppData\Roaming\Rpeyep.exe"C:\Users\Admin\AppData\Roaming\Rpeyep.exe"4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:636 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"5⤵
- Suspicious use of WriteProcessMemory
PID:560 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE"6⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1672 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1672 CREDAT:275457 /prefetch:27⤵
- Modifies Internet Explorer settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:844
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
603B
MD5e7049a4ae82ca355f3857a9ce1c22993
SHA1f727d91e407af50cab71253a18d7429357c4acf3
SHA2567e46ff740e47a06cfe3aa1fb72cc9bab6e24116f87c858528d163ad08d9b9f29
SHA5126b583122d6b0679f87955b312dc4d1a86edaca5e5bf62508526aaf5fd40f67d159635eb1ab1e7190ec0df264f0f042cb678fc74742eadd13ad322fe91fed8914
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Filesize
220KB
MD5901a8d336b88c0917c995b07ce1c433d
SHA199aab204407cd7f515df8f961a7268cff74cd5f6
SHA256d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c
SHA5123d4c8457cda746eabdb0910713119aa50ea47a98c18591e9bc3d38972ae6f8af3a9df84d15fdce52e35e0a766f19b168eeab473b86eefaeb701dc3a21263c69d
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Filesize
220KB
MD5901a8d336b88c0917c995b07ce1c433d
SHA199aab204407cd7f515df8f961a7268cff74cd5f6
SHA256d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c
SHA5123d4c8457cda746eabdb0910713119aa50ea47a98c18591e9bc3d38972ae6f8af3a9df84d15fdce52e35e0a766f19b168eeab473b86eefaeb701dc3a21263c69d
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Filesize
220KB
MD5901a8d336b88c0917c995b07ce1c433d
SHA199aab204407cd7f515df8f961a7268cff74cd5f6
SHA256d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c
SHA5123d4c8457cda746eabdb0910713119aa50ea47a98c18591e9bc3d38972ae6f8af3a9df84d15fdce52e35e0a766f19b168eeab473b86eefaeb701dc3a21263c69d
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Filesize
220KB
MD5901a8d336b88c0917c995b07ce1c433d
SHA199aab204407cd7f515df8f961a7268cff74cd5f6
SHA256d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c
SHA5123d4c8457cda746eabdb0910713119aa50ea47a98c18591e9bc3d38972ae6f8af3a9df84d15fdce52e35e0a766f19b168eeab473b86eefaeb701dc3a21263c69d
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Filesize
220KB
MD5901a8d336b88c0917c995b07ce1c433d
SHA199aab204407cd7f515df8f961a7268cff74cd5f6
SHA256d3757c4108d9f782914533859f777c2e2967c5bd95ef0ec364251a3e20b9be4c
SHA5123d4c8457cda746eabdb0910713119aa50ea47a98c18591e9bc3d38972ae6f8af3a9df84d15fdce52e35e0a766f19b168eeab473b86eefaeb701dc3a21263c69d