Analysis
-
max time kernel
119s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
26-11-2024 16:20
Behavioral task
behavioral1
Sample
63d75c26988f36768facb956a6695ee7e9dcea10751d39528b48f3e8b780c4aeN.exe
Resource
win7-20241010-en
General
-
Target
63d75c26988f36768facb956a6695ee7e9dcea10751d39528b48f3e8b780c4aeN.exe
-
Size
392KB
-
MD5
ba9e79d18ddebfea12475648bff84c20
-
SHA1
fae10ac47d780556c465b98e979e681e7bfc09d0
-
SHA256
63d75c26988f36768facb956a6695ee7e9dcea10751d39528b48f3e8b780c4ae
-
SHA512
e728330069f4c997ff7746f1971e136e39336e016dc4b68477ed8a08e983384051abef83127bd91fe640592284f7d006218d8233695cc79ee1dc73e9233a07bc
-
SSDEEP
3072:V+ESQ0EWVwZhKxC5Rt+k60Zh+qw6PYSsszfHZTZJ2lbaV2:DPA6wxmuJspr2lb6
Malware Config
Signatures
-
Andromeda family
-
Detects Andromeda payload. 2 IoCs
resource yara_rule behavioral2/memory/4928-65-0x0000000000D50000-0x0000000000D55000-memory.dmp family_andromeda behavioral2/memory/4928-69-0x0000000000D50000-0x0000000000D55000-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\12693 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msirfywiu.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation 63d75c26988f36768facb956a6695ee7e9dcea10751d39528b48f3e8b780c4aeN.exe -
Executes dropped EXE 3 IoCs
pid Process 4076 skyrpe.exe 4228 skyrpe.exe 4480 skyrpe.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\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 4164 set thread context of 4512 4164 63d75c26988f36768facb956a6695ee7e9dcea10751d39528b48f3e8b780c4aeN.exe 90 PID 4076 set thread context of 4228 4076 skyrpe.exe 97 PID 4076 set thread context of 4480 4076 skyrpe.exe 98 -
resource yara_rule behavioral2/memory/4164-0-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/4164-5-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/4512-9-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4512-11-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4512-14-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4164-13-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/files/0x0031000000023b75-30.dat upx behavioral2/memory/4076-38-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/4076-41-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/4076-42-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/4512-43-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4076-47-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/4076-58-0x0000000000400000-0x0000000000462000-memory.dmp upx behavioral2/memory/4512-60-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4228-71-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\PROGRA~3\LOCALS~1\Temp\msirfywiu.exe svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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 skyrpe.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 63d75c26988f36768facb956a6695ee7e9dcea10751d39528b48f3e8b780c4aeN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 63d75c26988f36768facb956a6695ee7e9dcea10751d39528b48f3e8b780c4aeN.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 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4480 skyrpe.exe 4480 skyrpe.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4480 skyrpe.exe -
Suspicious use of AdjustPrivilegeToken 37 IoCs
description pid Process Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe Token: SeDebugPrivilege 4228 skyrpe.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4164 63d75c26988f36768facb956a6695ee7e9dcea10751d39528b48f3e8b780c4aeN.exe 4512 63d75c26988f36768facb956a6695ee7e9dcea10751d39528b48f3e8b780c4aeN.exe 4076 skyrpe.exe 4228 skyrpe.exe -
Suspicious use of WriteProcessMemory 34 IoCs
description pid Process procid_target PID 4164 wrote to memory of 4512 4164 63d75c26988f36768facb956a6695ee7e9dcea10751d39528b48f3e8b780c4aeN.exe 90 PID 4164 wrote to memory of 4512 4164 63d75c26988f36768facb956a6695ee7e9dcea10751d39528b48f3e8b780c4aeN.exe 90 PID 4164 wrote to memory of 4512 4164 63d75c26988f36768facb956a6695ee7e9dcea10751d39528b48f3e8b780c4aeN.exe 90 PID 4164 wrote to memory of 4512 4164 63d75c26988f36768facb956a6695ee7e9dcea10751d39528b48f3e8b780c4aeN.exe 90 PID 4164 wrote to memory of 4512 4164 63d75c26988f36768facb956a6695ee7e9dcea10751d39528b48f3e8b780c4aeN.exe 90 PID 4164 wrote to memory of 4512 4164 63d75c26988f36768facb956a6695ee7e9dcea10751d39528b48f3e8b780c4aeN.exe 90 PID 4164 wrote to memory of 4512 4164 63d75c26988f36768facb956a6695ee7e9dcea10751d39528b48f3e8b780c4aeN.exe 90 PID 4164 wrote to memory of 4512 4164 63d75c26988f36768facb956a6695ee7e9dcea10751d39528b48f3e8b780c4aeN.exe 90 PID 4512 wrote to memory of 4296 4512 63d75c26988f36768facb956a6695ee7e9dcea10751d39528b48f3e8b780c4aeN.exe 91 PID 4512 wrote to memory of 4296 4512 63d75c26988f36768facb956a6695ee7e9dcea10751d39528b48f3e8b780c4aeN.exe 91 PID 4512 wrote to memory of 4296 4512 63d75c26988f36768facb956a6695ee7e9dcea10751d39528b48f3e8b780c4aeN.exe 91 PID 4296 wrote to memory of 2008 4296 cmd.exe 94 PID 4296 wrote to memory of 2008 4296 cmd.exe 94 PID 4296 wrote to memory of 2008 4296 cmd.exe 94 PID 4512 wrote to memory of 4076 4512 63d75c26988f36768facb956a6695ee7e9dcea10751d39528b48f3e8b780c4aeN.exe 95 PID 4512 wrote to memory of 4076 4512 63d75c26988f36768facb956a6695ee7e9dcea10751d39528b48f3e8b780c4aeN.exe 95 PID 4512 wrote to memory of 4076 4512 63d75c26988f36768facb956a6695ee7e9dcea10751d39528b48f3e8b780c4aeN.exe 95 PID 4076 wrote to memory of 4228 4076 skyrpe.exe 97 PID 4076 wrote to memory of 4228 4076 skyrpe.exe 97 PID 4076 wrote to memory of 4228 4076 skyrpe.exe 97 PID 4076 wrote to memory of 4228 4076 skyrpe.exe 97 PID 4076 wrote to memory of 4228 4076 skyrpe.exe 97 PID 4076 wrote to memory of 4228 4076 skyrpe.exe 97 PID 4076 wrote to memory of 4228 4076 skyrpe.exe 97 PID 4076 wrote to memory of 4228 4076 skyrpe.exe 97 PID 4076 wrote to memory of 4480 4076 skyrpe.exe 98 PID 4076 wrote to memory of 4480 4076 skyrpe.exe 98 PID 4076 wrote to memory of 4480 4076 skyrpe.exe 98 PID 4076 wrote to memory of 4480 4076 skyrpe.exe 98 PID 4076 wrote to memory of 4480 4076 skyrpe.exe 98 PID 4076 wrote to memory of 4480 4076 skyrpe.exe 98 PID 4480 wrote to memory of 4928 4480 skyrpe.exe 99 PID 4480 wrote to memory of 4928 4480 skyrpe.exe 99 PID 4480 wrote to memory of 4928 4480 skyrpe.exe 99
Processes
-
C:\Users\Admin\AppData\Local\Temp\63d75c26988f36768facb956a6695ee7e9dcea10751d39528b48f3e8b780c4aeN.exe"C:\Users\Admin\AppData\Local\Temp\63d75c26988f36768facb956a6695ee7e9dcea10751d39528b48f3e8b780c4aeN.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4164 -
C:\Users\Admin\AppData\Local\Temp\63d75c26988f36768facb956a6695ee7e9dcea10751d39528b48f3e8b780c4aeN.exe"C:\Users\Admin\AppData\Local\Temp\63d75c26988f36768facb956a6695ee7e9dcea10751d39528b48f3e8b780c4aeN.exe"2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4512 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\NVNAB.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4296 -
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:2008
-
-
-
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:4076 -
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:4228
-
-
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:4480 -
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:4928
-
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
139B
MD50654f004b2e314bad7f75867e91da37d
SHA14232c22e7340b12108d86e3cb35ed288a3dbc7f1
SHA256ead325a060300a9606a3f0f14694be39a3e4006a60c6c3eb0bea5d6f98192249
SHA512dda135cdfca90a742d42b4c7a5e7f5df6580ec428302a8f0c311f5b92eb08dda75774e0c7497110faffbe2dfa02b30d2dfe35ec2848a275f53be8d930c7aa553
-
Filesize
392KB
MD50c40fe2a52c6c6147edeb0e57f640bc5
SHA1a74203009491069b7959e025ff918e2d273fa6d5
SHA256fc773c124fad3b8e23d686b9c6f522a36facc36c2400241d158e19dfceeac292
SHA512d3747d4bb30b2156be048708ff66e08562f71cefeb232328ea593af5f3d483bac15707ac8eb036a936b13a44defb625e981d661af47cd682a7f91937864f91c6