Analysis Overview
SHA256
596f30efc4fd623a922f465c932895b9cd50b882e4319f056cccdc9975bfc1e0
Threat Level: Known bad
The file fc00b22cba73518d8307e0302ba9f360N.exe was found to be: Known bad.
Malicious Activity Summary
Andromeda, Gamarue
Detects Andromeda payload.
Adds policy Run key to start application
Loads dropped DLL
Checks computer location settings
UPX packed file
Executes dropped EXE
Adds Run key to start application
Maps connected drives based on registry
Suspicious use of SetThreadContext
Drops file in Program Files directory
System Location Discovery: System Language Discovery
Unsigned PE
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-05 16:45
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-05 16:45
Reported
2024-09-05 16:47
Platform
win10v2004-20240802-en
Max time kernel
119s
Max time network
95s
Command Line
Signatures
Andromeda, Gamarue
Detects Andromeda payload.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds policy Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\49170 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\mswxin.cmd" | C:\Windows\SysWOW64\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\fc00b22cba73518d8307e0302ba9f360N.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Skype = "C:\\Users\\Admin\\AppData\\Roaming\\skype\\skyrpe.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
Maps connected drives based on registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum | C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 | C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4456 set thread context of 4556 | N/A | C:\Users\Admin\AppData\Local\Temp\fc00b22cba73518d8307e0302ba9f360N.exe | C:\Users\Admin\AppData\Local\Temp\fc00b22cba73518d8307e0302ba9f360N.exe |
| PID 3996 set thread context of 220 | N/A | C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe | C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe |
| PID 3996 set thread context of 4644 | N/A | C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe | C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\PROGRA~3\LOCALS~1\Temp\mswxin.cmd | C:\Windows\SysWOW64\svchost.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\reg.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\fc00b22cba73518d8307e0302ba9f360N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\fc00b22cba73518d8307e0302ba9f360N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fc00b22cba73518d8307e0302ba9f360N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fc00b22cba73518d8307e0302ba9f360N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\fc00b22cba73518d8307e0302ba9f360N.exe
"C:\Users\Admin\AppData\Local\Temp\fc00b22cba73518d8307e0302ba9f360N.exe"
C:\Users\Admin\AppData\Local\Temp\fc00b22cba73518d8307e0302ba9f360N.exe
"C:\Users\Admin\AppData\Local\Temp\fc00b22cba73518d8307e0302ba9f360N.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\FTSFN.bat" "
C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Skype" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe" /f
C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
"C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"
C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
"C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"
C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
"C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"
C:\Windows\SysWOW64\svchost.exe
C:\Windows\syswow64\svchost.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.update.microsoft.com | udp |
| US | 20.72.235.82:80 | www.update.microsoft.com | tcp |
| US | 8.8.4.4:53 | sonic4me.com | udp |
| US | 184.105.192.2:80 | sonic4me.com | tcp |
| US | 8.8.8.8:53 | 4.4.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.235.72.20.in-addr.arpa | udp |
| US | 8.8.4.4:53 | imageshells.com | udp |
| US | 184.105.192.2:80 | imageshells.com | tcp |
| US | 8.8.8.8:53 | 2.192.105.184.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
Files
memory/4456-3-0x0000000002B70000-0x0000000002B71000-memory.dmp
memory/4456-2-0x0000000002B60000-0x0000000002B61000-memory.dmp
memory/4456-4-0x0000000002B60000-0x0000000002B61000-memory.dmp
memory/4456-5-0x00000000008D0000-0x00000000008D1000-memory.dmp
memory/4456-6-0x00000000008E0000-0x00000000008E1000-memory.dmp
memory/4556-7-0x0000000000400000-0x000000000040B000-memory.dmp
memory/4556-9-0x0000000000400000-0x000000000040B000-memory.dmp
memory/4556-10-0x0000000000400000-0x000000000040B000-memory.dmp
memory/4556-11-0x0000000000400000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\FTSFN.txt
| MD5 | 0654f004b2e314bad7f75867e91da37d |
| SHA1 | 4232c22e7340b12108d86e3cb35ed288a3dbc7f1 |
| SHA256 | ead325a060300a9606a3f0f14694be39a3e4006a60c6c3eb0bea5d6f98192249 |
| SHA512 | dda135cdfca90a742d42b4c7a5e7f5df6580ec428302a8f0c311f5b92eb08dda75774e0c7497110faffbe2dfa02b30d2dfe35ec2848a275f53be8d930c7aa553 |
C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
| MD5 | 5f97f63a878d4dab4a5a9656d13db380 |
| SHA1 | 7a0424ab9f52798ff8806d8cba0aa09d3585a2c2 |
| SHA256 | a6e30882c1858f97e5575f7567dad2ac80a35b19a85fa9bd6649ced683e3b031 |
| SHA512 | d66071fe4da633cc6f5720df2d88f0af2764828f7c36ecafcc44972da320b95931769853b9f140d7cb87e4cb90f119be20c0e2c3f2cf4e03a003df0b91e94046 |
memory/3996-37-0x0000000000400000-0x000000000044D000-memory.dmp
memory/3996-38-0x0000000000400000-0x000000000044D000-memory.dmp
memory/4556-39-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3996-43-0x0000000000400000-0x000000000044D000-memory.dmp
memory/4644-46-0x0000000000400000-0x0000000000405000-memory.dmp
memory/4644-51-0x0000000000400000-0x0000000000405000-memory.dmp
memory/3996-54-0x0000000000400000-0x000000000044D000-memory.dmp
memory/4556-55-0x0000000000400000-0x000000000040B000-memory.dmp
memory/4516-59-0x0000000000410000-0x0000000000415000-memory.dmp
memory/4516-61-0x0000000000590000-0x0000000000595000-memory.dmp
memory/4516-65-0x0000000000590000-0x0000000000595000-memory.dmp
memory/220-67-0x0000000000400000-0x000000000040B000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-05 16:45
Reported
2024-09-05 16:47
Platform
win7-20240903-en
Max time kernel
120s
Max time network
18s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fc00b22cba73518d8307e0302ba9f360N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fc00b22cba73518d8307e0302ba9f360N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fc00b22cba73518d8307e0302ba9f360N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fc00b22cba73518d8307e0302ba9f360N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fc00b22cba73518d8307e0302ba9f360N.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\Skype = "C:\\Users\\Admin\\AppData\\Roaming\\skype\\skyrpe.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2684 set thread context of 182500 | N/A | C:\Users\Admin\AppData\Local\Temp\fc00b22cba73518d8307e0302ba9f360N.exe | C:\Users\Admin\AppData\Local\Temp\fc00b22cba73518d8307e0302ba9f360N.exe |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\fc00b22cba73518d8307e0302ba9f360N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\fc00b22cba73518d8307e0302ba9f360N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\reg.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fc00b22cba73518d8307e0302ba9f360N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fc00b22cba73518d8307e0302ba9f360N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\fc00b22cba73518d8307e0302ba9f360N.exe
"C:\Users\Admin\AppData\Local\Temp\fc00b22cba73518d8307e0302ba9f360N.exe"
C:\Users\Admin\AppData\Local\Temp\fc00b22cba73518d8307e0302ba9f360N.exe
"C:\Users\Admin\AppData\Local\Temp\fc00b22cba73518d8307e0302ba9f360N.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\VMABW.bat" "
C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Skype" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe" /f
C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
"C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"
Network
Files
memory/2684-2-0x0000000000230000-0x0000000000231000-memory.dmp
memory/2684-11151-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11158-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11157-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11156-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11155-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11154-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11153-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11152-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11150-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11149-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11148-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11147-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11146-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11145-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11144-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11143-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11141-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11140-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11139-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11138-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11137-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11136-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11135-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11134-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11133-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11132-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11131-0x0000000000090000-0x0000000000190000-memory.dmp
memory/182500-53497-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2684-11130-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11142-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2684-11129-0x0000000000090000-0x0000000000190000-memory.dmp
memory/182500-53488-0x0000000000400000-0x000000000040B000-memory.dmp
memory/182500-53487-0x0000000000400000-0x000000000040B000-memory.dmp
memory/182500-53486-0x0000000000400000-0x000000000040B000-memory.dmp
memory/182500-53485-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/182500-53483-0x0000000000400000-0x000000000040B000-memory.dmp
memory/182500-53481-0x0000000000400000-0x000000000040B000-memory.dmp
memory/182500-53479-0x0000000000400000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\VMABW.bat
| MD5 | 0654f004b2e314bad7f75867e91da37d |
| SHA1 | 4232c22e7340b12108d86e3cb35ed288a3dbc7f1 |
| SHA256 | ead325a060300a9606a3f0f14694be39a3e4006a60c6c3eb0bea5d6f98192249 |
| SHA512 | dda135cdfca90a742d42b4c7a5e7f5df6580ec428302a8f0c311f5b92eb08dda75774e0c7497110faffbe2dfa02b30d2dfe35ec2848a275f53be8d930c7aa553 |
\Users\Admin\AppData\Roaming\skype\skyrpe.exe
| MD5 | 4f140bc607b28f31177a3d3e703d1ac3 |
| SHA1 | 513d4413564a0a434851e7dc70b4f1a97c4d3454 |
| SHA256 | a0ab88a2ba13829c64addedd4499e98e04fc9801f8a6fe764734ecd367cfe497 |
| SHA512 | 66c6363a8e98ad312f671c495534b2890c4c4a24fc1481ee32087c26dc3a7b97b4fdf1150b6ac16e1c90a4b7fd530029e85fd8fa78008346cad6251407a591c2 |
memory/182500-53685-0x0000000000400000-0x000000000040B000-memory.dmp