Analysis
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max time kernel
148s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27-11-2024 01:59
Behavioral task
behavioral1
Sample
97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe
Resource
win7-20241023-en
General
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Target
97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe
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Size
392KB
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MD5
1fb6f9dbd8b2406b2f3f6751402387a5
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SHA1
01aac21e1f3983fab9a11af3bec34131625c7071
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SHA256
97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8
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SHA512
e5c07f6c37c60525e2a5965a683bb8b5f00bcb97914452eaea1de19ab38514c836a84d0e4ee7db98cd2c26b8c93e1f6cf383a6e5deaba83ea017447529a9dee1
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SSDEEP
3072:V+ESQ0EWVwZhKxC5Rt+k60Zh+qw6PYSsszfHZTZJ2lbaV2:DPA6wxmuJspr2lb6
Malware Config
Signatures
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Andromeda family
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Detects Andromeda payload. 2 IoCs
Processes:
resource yara_rule behavioral2/memory/3348-64-0x0000000000DE0000-0x0000000000DE5000-memory.dmp family_andromeda behavioral2/memory/3348-68-0x0000000000DE0000-0x0000000000DE5000-memory.dmp family_andromeda -
Adds policy Run key to start application 2 TTPs 2 IoCs
Processes:
svchost.exedescription 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\9367 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msgmudh.bat" svchost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation 97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe -
Executes dropped EXE 3 IoCs
Processes:
skyrpe.exeskyrpe.exeskyrpe.exepid Process 2488 skyrpe.exe 3816 skyrpe.exe 3860 skyrpe.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\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.
Processes:
skyrpe.exedescription 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
Processes:
97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exeskyrpe.exedescription pid Process procid_target PID 4692 set thread context of 4036 4692 97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe 90 PID 2488 set thread context of 3816 2488 skyrpe.exe 97 PID 2488 set thread context of 3860 2488 skyrpe.exe 98 -
Processes:
resource yara_rule behavioral2/memory/4692-0-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/4692-5-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/4036-9-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4036-11-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4036-13-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4692-14-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/files/0x000a000000023b9f-30.dat upx behavioral2/memory/2488-38-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/2488-41-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/2488-42-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/4036-43-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/2488-47-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/2488-58-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/4036-59-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3816-70-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
Processes:
svchost.exedescription ioc Process File created C:\PROGRA~3\LOCALS~1\Temp\msgmudh.bat 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.
Processes:
97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.execmd.exereg.exeskyrpe.exeskyrpe.exeskyrpe.exesvchost.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.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 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
skyrpe.exepid Process 3860 skyrpe.exe 3860 skyrpe.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
skyrpe.exepid Process 3860 skyrpe.exe -
Suspicious use of AdjustPrivilegeToken 56 IoCs
Processes:
skyrpe.exedescription pid Process Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe Token: SeDebugPrivilege 3816 skyrpe.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exeskyrpe.exeskyrpe.exepid Process 4692 97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe 4036 97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe 2488 skyrpe.exe 3816 skyrpe.exe -
Suspicious use of WriteProcessMemory 34 IoCs
Processes:
97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.execmd.exeskyrpe.exeskyrpe.exedescription pid Process procid_target PID 4692 wrote to memory of 4036 4692 97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe 90 PID 4692 wrote to memory of 4036 4692 97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe 90 PID 4692 wrote to memory of 4036 4692 97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe 90 PID 4692 wrote to memory of 4036 4692 97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe 90 PID 4692 wrote to memory of 4036 4692 97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe 90 PID 4692 wrote to memory of 4036 4692 97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe 90 PID 4692 wrote to memory of 4036 4692 97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe 90 PID 4692 wrote to memory of 4036 4692 97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe 90 PID 4036 wrote to memory of 2096 4036 97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe 91 PID 4036 wrote to memory of 2096 4036 97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe 91 PID 4036 wrote to memory of 2096 4036 97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe 91 PID 2096 wrote to memory of 532 2096 cmd.exe 95 PID 2096 wrote to memory of 532 2096 cmd.exe 95 PID 2096 wrote to memory of 532 2096 cmd.exe 95 PID 4036 wrote to memory of 2488 4036 97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe 96 PID 4036 wrote to memory of 2488 4036 97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe 96 PID 4036 wrote to memory of 2488 4036 97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe 96 PID 2488 wrote to memory of 3816 2488 skyrpe.exe 97 PID 2488 wrote to memory of 3816 2488 skyrpe.exe 97 PID 2488 wrote to memory of 3816 2488 skyrpe.exe 97 PID 2488 wrote to memory of 3816 2488 skyrpe.exe 97 PID 2488 wrote to memory of 3816 2488 skyrpe.exe 97 PID 2488 wrote to memory of 3816 2488 skyrpe.exe 97 PID 2488 wrote to memory of 3816 2488 skyrpe.exe 97 PID 2488 wrote to memory of 3816 2488 skyrpe.exe 97 PID 2488 wrote to memory of 3860 2488 skyrpe.exe 98 PID 2488 wrote to memory of 3860 2488 skyrpe.exe 98 PID 2488 wrote to memory of 3860 2488 skyrpe.exe 98 PID 2488 wrote to memory of 3860 2488 skyrpe.exe 98 PID 2488 wrote to memory of 3860 2488 skyrpe.exe 98 PID 2488 wrote to memory of 3860 2488 skyrpe.exe 98 PID 3860 wrote to memory of 3348 3860 skyrpe.exe 99 PID 3860 wrote to memory of 3348 3860 skyrpe.exe 99 PID 3860 wrote to memory of 3348 3860 skyrpe.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe"C:\Users\Admin\AppData\Local\Temp\97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4692 -
C:\Users\Admin\AppData\Local\Temp\97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe"C:\Users\Admin\AppData\Local\Temp\97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe"2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4036 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CHWXU.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2096 -
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:532
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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:2488 -
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:3816
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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:3860 -
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:3348
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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
MD588076f256a1bc22a38ab2a2832c45d0c
SHA129f6abb58b65c40caef4e5182fa5efa0bfcf5c7d
SHA256bd8aab5bef5fa03d41d49ce5486cbff1f99e64c4118c17f0a7b72ca4f04619ec
SHA5120ca6e4615c2a422db760636aa2143d6733961128c40a15ca63c18957d7b82173e2bcb7a168c4ee5704a77ff5343a90b1aaf13d9505cfe96d6b90fa05a4a3e34e