amadey | 773070e1373913ea1709dde27c293ceca45fa966a83cba6a0483954b94253f78

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	SecuriteInfo.com.Win32.TrojanX-gen.1033.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorha.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	5ba40b6dcb.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorha.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorha.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorha.exe

Blocklisted process makes network request 4 IoCs

flow	pid	Process
58	2312	rundll32.exe
73	4848	rundll32.exe
176	5092	rundll32.exe
188	3792	rundll32.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 12 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	SecuriteInfo.com.Win32.TrojanX-gen.1033.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	5ba40b6dcb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	SecuriteInfo.com.Win32.TrojanX-gen.1033.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	5ba40b6dcb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorha.exe

Checks computer location settings 2 TTPs 4 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation	boom8.exe
Key value queried	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation	SecuriteInfo.com.Win32.TrojanX-gen.1033.exe
Key value queried	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation	explorha.exe
Key value queried	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation	chrosha.exe

Executes dropped EXE 9 IoCs

pid	Process
960	explorha.exe
2756	5ba40b6dcb.exe
2160	explorha.exe
4148	lumma21.exe
4292	explorha.exe
4148	chrosha.exe
3396	boom8.exe
4512	explorha.exe
184	boom8.exe

Identifies Wine through registry keys 2 TTPs 6 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Wine	SecuriteInfo.com.Win32.TrojanX-gen.1033.exe
Key opened	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Wine	explorha.exe
Key opened	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Wine	5ba40b6dcb.exe
Key opened	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Wine	explorha.exe
Key opened	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Wine	explorha.exe
Key opened	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Wine	explorha.exe

Loads dropped DLL 6 IoCs

pid	Process
4636	rundll32.exe
2312	rundll32.exe
4848	rundll32.exe
4420	rundll32.exe
5092	rundll32.exe
3792	rundll32.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5ba40b6dcb.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1000022001\\5ba40b6dcb.exe"	explorha.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

pid	Process
2204	SecuriteInfo.com.Win32.TrojanX-gen.1033.exe
960	explorha.exe
2160	explorha.exe
4292	explorha.exe
4512	explorha.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\explorha.job	SecuriteInfo.com.Win32.TrojanX-gen.1033.exe
File created	C:\Windows\Tasks\chrosha.job	lumma21.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

pid	Process
3408	schtasks.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
2204	SecuriteInfo.com.Win32.TrojanX-gen.1033.exe
2204	SecuriteInfo.com.Win32.TrojanX-gen.1033.exe
960	explorha.exe
960	explorha.exe
2312	rundll32.exe
2312	rundll32.exe
2312	rundll32.exe
2312	rundll32.exe
2312	rundll32.exe
2312	rundll32.exe
2160	explorha.exe
2160	explorha.exe
2312	rundll32.exe
2312	rundll32.exe
2312	rundll32.exe
2312	rundll32.exe
3040	powershell.exe
3040	powershell.exe
3040	powershell.exe
4292	explorha.exe
4292	explorha.exe
5092	rundll32.exe
5092	rundll32.exe
5092	rundll32.exe
5092	rundll32.exe
5092	rundll32.exe
5092	rundll32.exe
5092	rundll32.exe
5092	rundll32.exe
5092	rundll32.exe
5092	rundll32.exe
1196	powershell.exe
1196	powershell.exe
1196	powershell.exe
4512	explorha.exe
4512	explorha.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3040	powershell.exe
Token: SeDebugPrivilege	1196	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2204	SecuriteInfo.com.Win32.TrojanX-gen.1033.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 960	2204	SecuriteInfo.com.Win32.TrojanX-gen.1033.exe	92
PID 2204 wrote to memory of 960	2204	SecuriteInfo.com.Win32.TrojanX-gen.1033.exe	92
PID 2204 wrote to memory of 960	2204	SecuriteInfo.com.Win32.TrojanX-gen.1033.exe	92
PID 960 wrote to memory of 2756	960	explorha.exe	98
PID 960 wrote to memory of 2756	960	explorha.exe	98
PID 960 wrote to memory of 2756	960	explorha.exe	98
PID 960 wrote to memory of 4636	960	explorha.exe	101
PID 960 wrote to memory of 4636	960	explorha.exe	101
PID 960 wrote to memory of 4636	960	explorha.exe	101
PID 4636 wrote to memory of 2312	4636	rundll32.exe	102
PID 4636 wrote to memory of 2312	4636	rundll32.exe	102
PID 2312 wrote to memory of 2320	2312	rundll32.exe	103
PID 2312 wrote to memory of 2320	2312	rundll32.exe	103
PID 2312 wrote to memory of 3040	2312	rundll32.exe	106
PID 2312 wrote to memory of 3040	2312	rundll32.exe	106
PID 960 wrote to memory of 392	960	explorha.exe	109
PID 960 wrote to memory of 392	960	explorha.exe	109
PID 960 wrote to memory of 392	960	explorha.exe	109
PID 960 wrote to memory of 4848	960	explorha.exe	110
PID 960 wrote to memory of 4848	960	explorha.exe	110
PID 960 wrote to memory of 4848	960	explorha.exe	110
PID 960 wrote to memory of 4148	960	explorha.exe	111
PID 960 wrote to memory of 4148	960	explorha.exe	111
PID 960 wrote to memory of 4148	960	explorha.exe	111
PID 4148 wrote to memory of 3396	4148	chrosha.exe	123
PID 4148 wrote to memory of 3396	4148	chrosha.exe	123
PID 4148 wrote to memory of 3396	4148	chrosha.exe	123
PID 3396 wrote to memory of 3408	3396	boom8.exe	124
PID 3396 wrote to memory of 3408	3396	boom8.exe	124
PID 3396 wrote to memory of 3408	3396	boom8.exe	124
PID 4148 wrote to memory of 4420	4148	chrosha.exe	126
PID 4148 wrote to memory of 4420	4148	chrosha.exe	126
PID 4148 wrote to memory of 4420	4148	chrosha.exe	126
PID 4420 wrote to memory of 5092	4420	rundll32.exe	127
PID 4420 wrote to memory of 5092	4420	rundll32.exe	127
PID 5092 wrote to memory of 4192	5092	rundll32.exe	128
PID 5092 wrote to memory of 4192	5092	rundll32.exe	128
PID 5092 wrote to memory of 1196	5092	rundll32.exe	130
PID 5092 wrote to memory of 1196	5092	rundll32.exe	130
PID 4148 wrote to memory of 3792	4148	chrosha.exe	132
PID 4148 wrote to memory of 3792	4148	chrosha.exe	132
PID 4148 wrote to memory of 3792	4148	chrosha.exe	132

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.TrojanX-gen.1033.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.TrojanX-gen.1033.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
  "C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Checks computer location settings
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Adds Run key to start application
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:960
- - C:\Users\Admin\AppData\Local\Temp\1000022001\5ba40b6dcb.exe
    "C:\Users\Admin\AppData\Local\Temp\1000022001\5ba40b6dcb.exe"
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Identifies Wine through registry keys
    PID:2756
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:4636
  - - C:\Windows\system32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main
      4⤵
      Blocklisted process makes network request
      Loads dropped DLL
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:2312
    - - C:\Windows\system32\netsh.exe
        
        netsh wlan show profiles
        5⤵
        
        PID:2320
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\134859772495_Desktop.zip' -CompressionLevel Optimal
        5⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:3040
- - C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
    "C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"
    3⤵
    PID:392
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\clip64.dll, Main
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    PID:4848
- - C:\Users\Admin\AppData\Local\Temp\1000035001\lumma21.exe
    "C:\Users\Admin\AppData\Local\Temp\1000035001\lumma21.exe"
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    PID:4148

C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:2160

C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:4292

C:\Users\Admin\AppData\Local\Temp\4d0ab15804\chrosha.exe
C:\Users\Admin\AppData\Local\Temp\4d0ab15804\chrosha.exe
1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4148
- C:\Users\Admin\AppData\Local\Temp\1000082001\boom8.exe
  "C:\Users\Admin\AppData\Local\Temp\1000082001\boom8.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:3396
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN boom8.exe /TR "C:\Users\Admin\AppData\Local\Temp\1000082001\boom8.exe" /F
    3⤵
    - Creates scheduled task(s)
    PID:3408
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\cred64.dll, Main
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:4420
- - C:\Windows\system32\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\cred64.dll, Main
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:5092
  - - C:\Windows\system32\netsh.exe
      netsh wlan show profiles
      4⤵
      PID:4192
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\134859772495_Desktop.zip' -CompressionLevel Optimal
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1196
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\clip64.dll, Main
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  PID:3792

C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:4512

C:\Users\Admin\AppData\Local\Temp\1000082001\boom8.exe
C:\Users\Admin\AppData\Local\Temp\1000082001\boom8.exe
1⤵
- Executes dropped EXE
PID:184

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

System Information Discovery

T1082

Virtualization/Sandbox Evasion