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
17-08-2024 20:19
Behavioral task
behavioral1
Sample
9b50e0fc98472269eaef7ae439af8330N.exe
Resource
win7-20240704-en
General
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Target
9b50e0fc98472269eaef7ae439af8330N.exe
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Size
392KB
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MD5
9b50e0fc98472269eaef7ae439af8330
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SHA1
bf6c17e5b7bff376ea6a27885929a59d444ff6ba
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SHA256
5d4cb9ce0d30179015c08a55968b74a09158578b84c652a0d31cd7e5fef52897
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SHA512
effd931d1fd6bbaa6ed57c87512b43009d612cbdf7f012bbfc1623c6055ac6d7722c06408260feed8d59fc9406c5ef03cd5f195a1d4cd81d0d88c0d098f9f054
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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/3616-66-0x00000000003F0000-0x00000000003F5000-memory.dmp family_andromeda behavioral2/memory/3616-70-0x00000000003F0000-0x00000000003F5000-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\31193 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\mscaeoxao.exe" 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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation 9b50e0fc98472269eaef7ae439af8330N.exe -
Executes dropped EXE 3 IoCs
pid Process 1580 skyrpe.exe 4416 skyrpe.exe 4176 skyrpe.exe -
resource yara_rule behavioral2/memory/2952-0-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/2952-5-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/1444-9-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1444-11-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/2952-12-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/1444-14-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1444-13-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x00070000000233f8-30.dat upx behavioral2/memory/1580-38-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/1580-41-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/1580-42-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/1444-43-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1580-47-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/1580-59-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/4416-57-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1444-62-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4416-72-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\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 2952 set thread context of 1444 2952 9b50e0fc98472269eaef7ae439af8330N.exe 95 PID 1580 set thread context of 4416 1580 skyrpe.exe 103 PID 1580 set thread context of 4176 1580 skyrpe.exe 104 -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\PROGRA~3\LOCALS~1\Temp\mscaeoxao.exe 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 skyrpe.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9b50e0fc98472269eaef7ae439af8330N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9b50e0fc98472269eaef7ae439af8330N.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 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4176 skyrpe.exe 4176 skyrpe.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4176 skyrpe.exe -
Suspicious use of AdjustPrivilegeToken 37 IoCs
description pid Process Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe Token: SeDebugPrivilege 4416 skyrpe.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2952 9b50e0fc98472269eaef7ae439af8330N.exe 1444 9b50e0fc98472269eaef7ae439af8330N.exe 1580 skyrpe.exe 4416 skyrpe.exe -
Suspicious use of WriteProcessMemory 34 IoCs
description pid Process procid_target PID 2952 wrote to memory of 1444 2952 9b50e0fc98472269eaef7ae439af8330N.exe 95 PID 2952 wrote to memory of 1444 2952 9b50e0fc98472269eaef7ae439af8330N.exe 95 PID 2952 wrote to memory of 1444 2952 9b50e0fc98472269eaef7ae439af8330N.exe 95 PID 2952 wrote to memory of 1444 2952 9b50e0fc98472269eaef7ae439af8330N.exe 95 PID 2952 wrote to memory of 1444 2952 9b50e0fc98472269eaef7ae439af8330N.exe 95 PID 2952 wrote to memory of 1444 2952 9b50e0fc98472269eaef7ae439af8330N.exe 95 PID 2952 wrote to memory of 1444 2952 9b50e0fc98472269eaef7ae439af8330N.exe 95 PID 2952 wrote to memory of 1444 2952 9b50e0fc98472269eaef7ae439af8330N.exe 95 PID 1444 wrote to memory of 2196 1444 9b50e0fc98472269eaef7ae439af8330N.exe 96 PID 1444 wrote to memory of 2196 1444 9b50e0fc98472269eaef7ae439af8330N.exe 96 PID 1444 wrote to memory of 2196 1444 9b50e0fc98472269eaef7ae439af8330N.exe 96 PID 2196 wrote to memory of 2428 2196 cmd.exe 99 PID 2196 wrote to memory of 2428 2196 cmd.exe 99 PID 2196 wrote to memory of 2428 2196 cmd.exe 99 PID 1444 wrote to memory of 1580 1444 9b50e0fc98472269eaef7ae439af8330N.exe 100 PID 1444 wrote to memory of 1580 1444 9b50e0fc98472269eaef7ae439af8330N.exe 100 PID 1444 wrote to memory of 1580 1444 9b50e0fc98472269eaef7ae439af8330N.exe 100 PID 1580 wrote to memory of 4416 1580 skyrpe.exe 103 PID 1580 wrote to memory of 4416 1580 skyrpe.exe 103 PID 1580 wrote to memory of 4416 1580 skyrpe.exe 103 PID 1580 wrote to memory of 4416 1580 skyrpe.exe 103 PID 1580 wrote to memory of 4416 1580 skyrpe.exe 103 PID 1580 wrote to memory of 4416 1580 skyrpe.exe 103 PID 1580 wrote to memory of 4416 1580 skyrpe.exe 103 PID 1580 wrote to memory of 4416 1580 skyrpe.exe 103 PID 1580 wrote to memory of 4176 1580 skyrpe.exe 104 PID 1580 wrote to memory of 4176 1580 skyrpe.exe 104 PID 1580 wrote to memory of 4176 1580 skyrpe.exe 104 PID 1580 wrote to memory of 4176 1580 skyrpe.exe 104 PID 1580 wrote to memory of 4176 1580 skyrpe.exe 104 PID 1580 wrote to memory of 4176 1580 skyrpe.exe 104 PID 4176 wrote to memory of 3616 4176 skyrpe.exe 105 PID 4176 wrote to memory of 3616 4176 skyrpe.exe 105 PID 4176 wrote to memory of 3616 4176 skyrpe.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\9b50e0fc98472269eaef7ae439af8330N.exe"C:\Users\Admin\AppData\Local\Temp\9b50e0fc98472269eaef7ae439af8330N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2952 -
C:\Users\Admin\AppData\Local\Temp\9b50e0fc98472269eaef7ae439af8330N.exe"C:\Users\Admin\AppData\Local\Temp\9b50e0fc98472269eaef7ae439af8330N.exe"2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1444 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\GHENF.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2196 -
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:2428
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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:1580 -
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:4416
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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:4176 -
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:3616
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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
MD5d655d35ab3c1e56f4a907915dd3acb14
SHA1c55ffbe4ecd9874c695f6ef91a3c79b040f04f4e
SHA256a8d934c08f6b048139aadad47154f8b70736418e681ddc02e28d0607837dd818
SHA5121eefaa047145c802280f45e9e0480bbdece5c63f69412b4f3c256f7e269d991d10617f5163c1a7e3c129d0c492463ef24a508821febd5efab7e23250939a27b2