amadey | 279fc3d6a0b3988b596bd64713372a20020c9fb3e18b7800e09443b61e9940e8

Virtualization/Sandbox Evasion

Processes:

279fc3d6a0b3988b596bd64713372a20020c9fb3e18b7800e09443b61e9940e8.exeexplorha.exeexplorha.exec9dd9aad2c.exeexplorha.exerandom.exeexplorha.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	279fc3d6a0b3988b596bd64713372a20020c9fb3e18b7800e09443b61e9940e8.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__	c9dd9aad2c.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorha.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	random.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorha.exe

Blocklisted process makes network request 4 IoCs

Processes:

rundll32.exerundll32.exerundll32.exerundll32.exe

flow pid process

58 556 rundll32.exe
64 2736 rundll32.exe
111 2120 rundll32.exe
112 2224 rundll32.exe
Downloads MZ/PE file

flow	pid	process
58	556	rundll32.exe
64	2736	rundll32.exe
111	2120	rundll32.exe
112	2224	rundll32.exe

Checks BIOS information in registry 2 TTPs 14 IoCs

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

Query Registry

System Information Discovery

Processes:

c9dd9aad2c.exerandom.exeexplorha.exe279fc3d6a0b3988b596bd64713372a20020c9fb3e18b7800e09443b61e9940e8.exeexplorha.exeexplorha.exeexplorha.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c9dd9aad2c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	random.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	279fc3d6a0b3988b596bd64713372a20020c9fb3e18b7800e09443b61e9940e8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	c9dd9aad2c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	random.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	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\SystemBiosVersion	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	279fc3d6a0b3988b596bd64713372a20020c9fb3e18b7800e09443b61e9940e8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	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

Processes:

279fc3d6a0b3988b596bd64713372a20020c9fb3e18b7800e09443b61e9940e8.exeexplorha.exechrosha.exeISetup3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation	279fc3d6a0b3988b596bd64713372a20020c9fb3e18b7800e09443b61e9940e8.exe
Key value queried	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation	explorha.exe
Key value queried	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation	chrosha.exe
Key value queried	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation	ISetup3.exe

Executes dropped EXE 13 IoCs

Processes:

explorha.exeexplorha.exec9dd9aad2c.exelumma21.exeexplorha.exechrosha.exerandom.exelummalg.exeISetup3.exeFullwork123.exeu3y4.0.exeu3y4.1.exeexplorha.exe

pid	process
2512	explorha.exe
1664	explorha.exe
5092	c9dd9aad2c.exe
4848	lumma21.exe
5064	explorha.exe
4496	chrosha.exe
4428	random.exe
4628	lummalg.exe
5116	ISetup3.exe
3128	Fullwork123.exe
3644	u3y4.0.exe
4208	u3y4.1.exe
4584	explorha.exe

Identifies Wine through registry keys 2 TTPs 7 IoCs

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

evasion

Query Registry

Virtualization/Sandbox Evasion

Processes:

random.exeexplorha.exe279fc3d6a0b3988b596bd64713372a20020c9fb3e18b7800e09443b61e9940e8.exeexplorha.exeexplorha.exec9dd9aad2c.exeexplorha.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Wine	random.exe
Key opened	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Wine	explorha.exe
Key opened	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Wine	279fc3d6a0b3988b596bd64713372a20020c9fb3e18b7800e09443b61e9940e8.exe
Key opened	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Wine	explorha.exe
Key opened	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Wine	explorha.exe
Key opened	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Wine	c9dd9aad2c.exe
Key opened	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Wine	explorha.exe

Loads dropped DLL 6 IoCs

Processes:

rundll32.exerundll32.exerundll32.exerundll32.exerundll32.exerundll32.exe

pid process

3268 rundll32.exe
556 rundll32.exe
2736 rundll32.exe
4404 rundll32.exe
2120 rundll32.exe
2224 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

pid	process
3268	rundll32.exe
556	rundll32.exe
2736	rundll32.exe
4404	rundll32.exe
2120	rundll32.exe
2224	rundll32.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\u3y4.1.exe	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

chrosha.exeexplorha.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\random.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1000053001\\random.exe"	chrosha.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c9dd9aad2c.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1000022001\\c9dd9aad2c.exe"	explorha.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

279fc3d6a0b3988b596bd64713372a20020c9fb3e18b7800e09443b61e9940e8.exeexplorha.exeexplorha.exeexplorha.exeexplorha.exe

pid process

2896 279fc3d6a0b3988b596bd64713372a20020c9fb3e18b7800e09443b61e9940e8.exe
2512 explorha.exe
1664 explorha.exe
5064 explorha.exe
4584 explorha.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

lummalg.exeFullwork123.exe

description	pid	process	target process
PID 4628 set thread context of 4500	4628	lummalg.exe	RegAsm.exe
PID 3128 set thread context of 680	3128	Fullwork123.exe	RegAsm.exe

Drops file in Windows directory 2 IoCs

Processes:

279fc3d6a0b3988b596bd64713372a20020c9fb3e18b7800e09443b61e9940e8.exelumma21.exe

description	ioc	process
File created	C:\Windows\Tasks\explorha.job	279fc3d6a0b3988b596bd64713372a20020c9fb3e18b7800e09443b61e9940e8.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

Program crash 5 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
944	4500	WerFault.exe	RegAsm.exe
736	4500	WerFault.exe	RegAsm.exe
2568	680	WerFault.exe	RegAsm.exe
1328	4500	WerFault.exe	RegAsm.exe
3824	5116	WerFault.exe	ISetup3.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

Processes:

u3y4.0.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	u3y4.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u3y4.0.exe

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
T1053

Processes:

schtasks.exe

pid process

2192 schtasks.exe

pid	process
2192	schtasks.exe

Suspicious behavior: EnumeratesProcesses 38 IoCs

Processes:

279fc3d6a0b3988b596bd64713372a20020c9fb3e18b7800e09443b61e9940e8.exeexplorha.exerundll32.exeexplorha.exepowershell.exeexplorha.exerundll32.exeu3y4.0.exepowershell.exeexplorha.exe

pid	process
2896	279fc3d6a0b3988b596bd64713372a20020c9fb3e18b7800e09443b61e9940e8.exe
2896	279fc3d6a0b3988b596bd64713372a20020c9fb3e18b7800e09443b61e9940e8.exe
2512	explorha.exe
2512	explorha.exe
556	rundll32.exe
556	rundll32.exe
556	rundll32.exe
556	rundll32.exe
556	rundll32.exe
556	rundll32.exe
1664	explorha.exe
1664	explorha.exe
556	rundll32.exe
556	rundll32.exe
556	rundll32.exe
556	rundll32.exe
748	powershell.exe
748	powershell.exe
748	powershell.exe
5064	explorha.exe
5064	explorha.exe
2120	rundll32.exe
2120	rundll32.exe
2120	rundll32.exe
2120	rundll32.exe
2120	rundll32.exe
2120	rundll32.exe
3644	u3y4.0.exe
3644	u3y4.0.exe
2120	rundll32.exe
2120	rundll32.exe
2120	rundll32.exe
2120	rundll32.exe
2320	powershell.exe
2320	powershell.exe
2320	powershell.exe
4584	explorha.exe
4584	explorha.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 748 powershell.exe
Token: SeDebugPrivilege 2320 powershell.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

279fc3d6a0b3988b596bd64713372a20020c9fb3e18b7800e09443b61e9940e8.exe

pid process

2896 279fc3d6a0b3988b596bd64713372a20020c9fb3e18b7800e09443b61e9940e8.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

u3y4.1.exe

pid process

4208 u3y4.1.exe

description	pid	process
Token: SeDebugPrivilege	748	powershell.exe
Token: SeDebugPrivilege	2320	powershell.exe

pid	process
4208	u3y4.1.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

279fc3d6a0b3988b596bd64713372a20020c9fb3e18b7800e09443b61e9940e8.exeexplorha.exerundll32.exerundll32.exechrosha.exelummalg.exeFullwork123.exeISetup3.exerundll32.exerundll32.exe

description	pid	process	target process
PID 2896 wrote to memory of 2512	2896	279fc3d6a0b3988b596bd64713372a20020c9fb3e18b7800e09443b61e9940e8.exe	explorha.exe
PID 2896 wrote to memory of 2512	2896	279fc3d6a0b3988b596bd64713372a20020c9fb3e18b7800e09443b61e9940e8.exe	explorha.exe
PID 2896 wrote to memory of 2512	2896	279fc3d6a0b3988b596bd64713372a20020c9fb3e18b7800e09443b61e9940e8.exe	explorha.exe
PID 2512 wrote to memory of 3268	2512	explorha.exe	rundll32.exe
PID 2512 wrote to memory of 3268	2512	explorha.exe	rundll32.exe
PID 2512 wrote to memory of 3268	2512	explorha.exe	rundll32.exe
PID 3268 wrote to memory of 556	3268	rundll32.exe	rundll32.exe
PID 3268 wrote to memory of 556	3268	rundll32.exe	rundll32.exe
PID 556 wrote to memory of 2852	556	rundll32.exe	netsh.exe
PID 556 wrote to memory of 2852	556	rundll32.exe	netsh.exe
PID 2512 wrote to memory of 5092	2512	explorha.exe	c9dd9aad2c.exe
PID 2512 wrote to memory of 5092	2512	explorha.exe	c9dd9aad2c.exe
PID 2512 wrote to memory of 5092	2512	explorha.exe	c9dd9aad2c.exe
PID 556 wrote to memory of 748	556	rundll32.exe	powershell.exe
PID 556 wrote to memory of 748	556	rundll32.exe	powershell.exe
PID 2512 wrote to memory of 2736	2512	explorha.exe	rundll32.exe
PID 2512 wrote to memory of 2736	2512	explorha.exe	rundll32.exe
PID 2512 wrote to memory of 2736	2512	explorha.exe	rundll32.exe
PID 2512 wrote to memory of 5036	2512	explorha.exe	explorha.exe
PID 2512 wrote to memory of 5036	2512	explorha.exe	explorha.exe
PID 2512 wrote to memory of 5036	2512	explorha.exe	explorha.exe
PID 2512 wrote to memory of 4848	2512	explorha.exe	lumma21.exe
PID 2512 wrote to memory of 4848	2512	explorha.exe	lumma21.exe
PID 2512 wrote to memory of 4848	2512	explorha.exe	lumma21.exe
PID 4496 wrote to memory of 4428	4496	chrosha.exe	random.exe
PID 4496 wrote to memory of 4428	4496	chrosha.exe	random.exe
PID 4496 wrote to memory of 4428	4496	chrosha.exe	random.exe
PID 4496 wrote to memory of 4628	4496	chrosha.exe	lummalg.exe
PID 4496 wrote to memory of 4628	4496	chrosha.exe	lummalg.exe
PID 4496 wrote to memory of 4628	4496	chrosha.exe	lummalg.exe
PID 4628 wrote to memory of 4500	4628	lummalg.exe	RegAsm.exe
PID 4628 wrote to memory of 4500	4628	lummalg.exe	RegAsm.exe
PID 4628 wrote to memory of 4500	4628	lummalg.exe	RegAsm.exe
PID 4628 wrote to memory of 4500	4628	lummalg.exe	RegAsm.exe
PID 4628 wrote to memory of 4500	4628	lummalg.exe	RegAsm.exe
PID 4628 wrote to memory of 4500	4628	lummalg.exe	RegAsm.exe
PID 4628 wrote to memory of 4500	4628	lummalg.exe	RegAsm.exe
PID 4628 wrote to memory of 4500	4628	lummalg.exe	RegAsm.exe
PID 4628 wrote to memory of 4500	4628	lummalg.exe	RegAsm.exe
PID 4496 wrote to memory of 5116	4496	chrosha.exe	ISetup3.exe
PID 4496 wrote to memory of 5116	4496	chrosha.exe	ISetup3.exe
PID 4496 wrote to memory of 5116	4496	chrosha.exe	ISetup3.exe
PID 4496 wrote to memory of 3128	4496	chrosha.exe	Fullwork123.exe
PID 4496 wrote to memory of 3128	4496	chrosha.exe	Fullwork123.exe
PID 4496 wrote to memory of 3128	4496	chrosha.exe	Fullwork123.exe
PID 3128 wrote to memory of 680	3128	Fullwork123.exe	RegAsm.exe
PID 3128 wrote to memory of 680	3128	Fullwork123.exe	RegAsm.exe
PID 3128 wrote to memory of 680	3128	Fullwork123.exe	RegAsm.exe
PID 3128 wrote to memory of 680	3128	Fullwork123.exe	RegAsm.exe
PID 3128 wrote to memory of 680	3128	Fullwork123.exe	RegAsm.exe
PID 3128 wrote to memory of 680	3128	Fullwork123.exe	RegAsm.exe
PID 3128 wrote to memory of 680	3128	Fullwork123.exe	RegAsm.exe
PID 3128 wrote to memory of 680	3128	Fullwork123.exe	RegAsm.exe
PID 3128 wrote to memory of 680	3128	Fullwork123.exe	RegAsm.exe
PID 5116 wrote to memory of 3644	5116	ISetup3.exe	u3y4.0.exe
PID 5116 wrote to memory of 3644	5116	ISetup3.exe	u3y4.0.exe
PID 5116 wrote to memory of 3644	5116	ISetup3.exe	u3y4.0.exe
PID 4496 wrote to memory of 4404	4496	chrosha.exe	rundll32.exe
PID 4496 wrote to memory of 4404	4496	chrosha.exe	rundll32.exe
PID 4496 wrote to memory of 4404	4496	chrosha.exe	rundll32.exe
PID 4404 wrote to memory of 2120	4404	rundll32.exe	rundll32.exe
PID 4404 wrote to memory of 2120	4404	rundll32.exe	rundll32.exe
PID 2120 wrote to memory of 2396	2120	rundll32.exe	netsh.exe
PID 2120 wrote to memory of 2396	2120	rundll32.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\279fc3d6a0b3988b596bd64713372a20020c9fb3e18b7800e09443b61e9940e8.exe
"C:\Users\Admin\AppData\Local\Temp\279fc3d6a0b3988b596bd64713372a20020c9fb3e18b7800e09443b61e9940e8.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:2896
- 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:2512
- - 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:3268
  - - 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:556
    - - C:\Windows\system32\netsh.exe
        
        netsh wlan show profiles
        5⤵
        
        PID:2852
    - - 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\098131212907_Desktop.zip' -CompressionLevel Optimal
        5⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:748
- - C:\Users\Admin\AppData\Local\Temp\1000022001\c9dd9aad2c.exe
    "C:\Users\Admin\AppData\Local\Temp\1000022001\c9dd9aad2c.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:5092
- - 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:2736
- - C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
    "C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"
    3⤵
    PID:5036
- - 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:4848

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:1664

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:5064

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
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4496
- C:\Users\Admin\AppData\Local\Temp\1000053001\random.exe
  "C:\Users\Admin\AppData\Local\Temp\1000053001\random.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  PID:4428
- C:\Users\Admin\AppData\Local\Temp\1000063001\lummalg.exe
  "C:\Users\Admin\AppData\Local\Temp\1000063001\lummalg.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:4628
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    PID:4500
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4500 -s 1200
      4⤵
      Program crash
      PID:944
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4500 -s 832
      4⤵
      Program crash
      PID:736
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4500 -s 1260
      4⤵
      Program crash
      PID:1328
- C:\Users\Admin\AppData\Local\Temp\1000068001\ISetup3.exe
  "C:\Users\Admin\AppData\Local\Temp\1000068001\ISetup3.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:5116
- - C:\Users\Admin\AppData\Local\Temp\u3y4.0.exe
    "C:\Users\Admin\AppData\Local\Temp\u3y4.0.exe"
    3⤵
    - Executes dropped EXE
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    PID:3644
- - C:\Users\Admin\AppData\Local\Temp\u3y4.1.exe
    "C:\Users\Admin\AppData\Local\Temp\u3y4.1.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    PID:4208
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Task.bat" "
      4⤵
      PID:1180
    - - C:\Windows\SysWOW64\chcp.com
        
        chcp 1251
        5⤵
        
        PID:2524
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "MalayamaraUpdate" /tr "'C:\Users\Admin\AppData\Local\Temp\Updater.exe'" /sc minute /mo 30 /F
        5⤵
        Creates scheduled task(s)
        
        PID:2192
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5116 -s 996
    3⤵
    - Program crash
    PID:3824
- C:\Users\Admin\AppData\Local\Temp\1000074001\Fullwork123.exe
  "C:\Users\Admin\AppData\Local\Temp\1000074001\Fullwork123.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:3128
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    PID:680
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 596
      4⤵
      Program crash
      PID:2568
- 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:4404
- - 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:2120
  - - C:\Windows\system32\netsh.exe
      netsh wlan show profiles
      4⤵
      PID:2396
  - - 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\098131212907_Desktop.zip' -CompressionLevel Optimal
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2320
- 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:2224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4500 -ip 4500
1⤵
PID:3396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 388 -p 4500 -ip 4500
1⤵
PID:2412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 680 -ip 680
1⤵
PID:2876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4500 -ip 4500
1⤵
PID:2504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 4500 -ip 4500
1⤵
PID:2272

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 5116 -ip 5116
1⤵
PID:4132

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:4584

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

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

Virtualization/Sandbox Evasion