Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
20-08-2024 02:01
Behavioral task
behavioral1
Sample
c8e12fb10fc9963c49e4d074cc5ba2b0N.exe
Resource
win7-20240708-en
General
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Target
c8e12fb10fc9963c49e4d074cc5ba2b0N.exe
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Size
392KB
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MD5
c8e12fb10fc9963c49e4d074cc5ba2b0
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SHA1
676786db56b6aff6a05da8b13cbd5069e03aada0
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SHA256
22c91158f3bb3e30cd36ff983fb2f8874cc436466e3938db0ef5e45e8fd26338
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SHA512
344baa3d36885077c283e06ff967803df97bb87f09d634f0de3650c6a91f16f27dfd47952703107d086a37be8de38393c8d535fcbf1772e4297e0ae2ac86cf48
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SSDEEP
3072:V+ESQ0EWVwZhKxC5Rt+k60Zh+qw6PYSsszfHZTZJ2lbaV2:DPA6wxmuJspr2lb6
Malware Config
Signatures
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Detects Andromeda payload. 2 IoCs
resource yara_rule behavioral2/memory/2184-64-0x00000000005E0000-0x00000000005E5000-memory.dmp family_andromeda behavioral2/memory/2184-68-0x00000000005E0000-0x00000000005E5000-memory.dmp family_andromeda -
Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\56050 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\mseuyuip.com" svchost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation c8e12fb10fc9963c49e4d074cc5ba2b0N.exe -
Executes dropped EXE 3 IoCs
pid Process 3892 skyrpe.exe 2392 skyrpe.exe 4012 skyrpe.exe -
resource yara_rule behavioral2/memory/4524-0-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/4524-5-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/3492-9-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3492-13-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3492-11-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4524-15-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/files/0x0008000000023461-30.dat upx behavioral2/memory/3892-40-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/3892-41-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/3492-42-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3892-46-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/3892-57-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/3492-58-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/2392-70-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Skype = "C:\\Users\\Admin\\AppData\\Roaming\\skype\\skyrpe.exe" reg.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum skyrpe.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 skyrpe.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4524 set thread context of 3492 4524 c8e12fb10fc9963c49e4d074cc5ba2b0N.exe 95 PID 3892 set thread context of 2392 3892 skyrpe.exe 103 PID 3892 set thread context of 4012 3892 skyrpe.exe 104 -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\PROGRA~3\LOCALS~1\Temp\mseuyuip.com svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c8e12fb10fc9963c49e4d074cc5ba2b0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language skyrpe.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language skyrpe.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language skyrpe.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c8e12fb10fc9963c49e4d074cc5ba2b0N.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4012 skyrpe.exe 4012 skyrpe.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4012 skyrpe.exe -
Suspicious use of AdjustPrivilegeToken 37 IoCs
description pid Process Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe Token: SeDebugPrivilege 2392 skyrpe.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4524 c8e12fb10fc9963c49e4d074cc5ba2b0N.exe 3492 c8e12fb10fc9963c49e4d074cc5ba2b0N.exe 3892 skyrpe.exe 2392 skyrpe.exe -
Suspicious use of WriteProcessMemory 34 IoCs
description pid Process procid_target PID 4524 wrote to memory of 3492 4524 c8e12fb10fc9963c49e4d074cc5ba2b0N.exe 95 PID 4524 wrote to memory of 3492 4524 c8e12fb10fc9963c49e4d074cc5ba2b0N.exe 95 PID 4524 wrote to memory of 3492 4524 c8e12fb10fc9963c49e4d074cc5ba2b0N.exe 95 PID 4524 wrote to memory of 3492 4524 c8e12fb10fc9963c49e4d074cc5ba2b0N.exe 95 PID 4524 wrote to memory of 3492 4524 c8e12fb10fc9963c49e4d074cc5ba2b0N.exe 95 PID 4524 wrote to memory of 3492 4524 c8e12fb10fc9963c49e4d074cc5ba2b0N.exe 95 PID 4524 wrote to memory of 3492 4524 c8e12fb10fc9963c49e4d074cc5ba2b0N.exe 95 PID 4524 wrote to memory of 3492 4524 c8e12fb10fc9963c49e4d074cc5ba2b0N.exe 95 PID 3492 wrote to memory of 2212 3492 c8e12fb10fc9963c49e4d074cc5ba2b0N.exe 97 PID 3492 wrote to memory of 2212 3492 c8e12fb10fc9963c49e4d074cc5ba2b0N.exe 97 PID 3492 wrote to memory of 2212 3492 c8e12fb10fc9963c49e4d074cc5ba2b0N.exe 97 PID 2212 wrote to memory of 2060 2212 cmd.exe 101 PID 2212 wrote to memory of 2060 2212 cmd.exe 101 PID 2212 wrote to memory of 2060 2212 cmd.exe 101 PID 3492 wrote to memory of 3892 3492 c8e12fb10fc9963c49e4d074cc5ba2b0N.exe 102 PID 3492 wrote to memory of 3892 3492 c8e12fb10fc9963c49e4d074cc5ba2b0N.exe 102 PID 3492 wrote to memory of 3892 3492 c8e12fb10fc9963c49e4d074cc5ba2b0N.exe 102 PID 3892 wrote to memory of 2392 3892 skyrpe.exe 103 PID 3892 wrote to memory of 2392 3892 skyrpe.exe 103 PID 3892 wrote to memory of 2392 3892 skyrpe.exe 103 PID 3892 wrote to memory of 2392 3892 skyrpe.exe 103 PID 3892 wrote to memory of 2392 3892 skyrpe.exe 103 PID 3892 wrote to memory of 2392 3892 skyrpe.exe 103 PID 3892 wrote to memory of 2392 3892 skyrpe.exe 103 PID 3892 wrote to memory of 2392 3892 skyrpe.exe 103 PID 3892 wrote to memory of 4012 3892 skyrpe.exe 104 PID 3892 wrote to memory of 4012 3892 skyrpe.exe 104 PID 3892 wrote to memory of 4012 3892 skyrpe.exe 104 PID 3892 wrote to memory of 4012 3892 skyrpe.exe 104 PID 3892 wrote to memory of 4012 3892 skyrpe.exe 104 PID 3892 wrote to memory of 4012 3892 skyrpe.exe 104 PID 4012 wrote to memory of 2184 4012 skyrpe.exe 105 PID 4012 wrote to memory of 2184 4012 skyrpe.exe 105 PID 4012 wrote to memory of 2184 4012 skyrpe.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\c8e12fb10fc9963c49e4d074cc5ba2b0N.exe"C:\Users\Admin\AppData\Local\Temp\c8e12fb10fc9963c49e4d074cc5ba2b0N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4524 -
C:\Users\Admin\AppData\Local\Temp\c8e12fb10fc9963c49e4d074cc5ba2b0N.exe"C:\Users\Admin\AppData\Local\Temp\c8e12fb10fc9963c49e4d074cc5ba2b0N.exe"2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3492 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JKCJK.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2212 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Skype" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe" /f4⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:2060
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C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3892 -
C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2392
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C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"4⤵
- Executes dropped EXE
- Maps connected drives based on registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4012 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\syswow64\svchost.exe5⤵
- Adds policy Run key to start application
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2184
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
139B
MD50654f004b2e314bad7f75867e91da37d
SHA14232c22e7340b12108d86e3cb35ed288a3dbc7f1
SHA256ead325a060300a9606a3f0f14694be39a3e4006a60c6c3eb0bea5d6f98192249
SHA512dda135cdfca90a742d42b4c7a5e7f5df6580ec428302a8f0c311f5b92eb08dda75774e0c7497110faffbe2dfa02b30d2dfe35ec2848a275f53be8d930c7aa553
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Filesize
392KB
MD5c8e12fb10fc9963c49e4d074cc5ba2b0
SHA1676786db56b6aff6a05da8b13cbd5069e03aada0
SHA25622c91158f3bb3e30cd36ff983fb2f8874cc436466e3938db0ef5e45e8fd26338
SHA512344baa3d36885077c283e06ff967803df97bb87f09d634f0de3650c6a91f16f27dfd47952703107d086a37be8de38393c8d535fcbf1772e4297e0ae2ac86cf48