sectoprat | 3cbd732d1d9b72c12fd0b5338f6ea6417ec2d242f258fedab71fe48cdadccc2a

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	bhjwjtjdusgf.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	XRJNZC.exe

Downloads MZ/PE file

.NET Reactor proctector 4 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral2/files/0x0009000000022bd6-152.dat	net_reactor
behavioral2/files/0x0009000000022bd6-173.dat	net_reactor
behavioral2/files/0x0009000000022bd6-177.dat	net_reactor
behavioral2/memory/3624-184-0x0000000000D50000-0x000000000115E000-memory.dmp	net_reactor

Checks BIOS information in registry 2 TTPs 4 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	bhjwjtjdusgf.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	bhjwjtjdusgf.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	XRJNZC.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	XRJNZC.exe

Checks computer location settings 2 TTPs 5 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation	ChromeSetup.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation	modwnrhnigsm.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation	bhjwjtjdusgf.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation	Utsysc.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation	XRJNZC.exe

Executes dropped EXE 6 IoCs

pid	Process
444	modwnrhnigsm.exe
2488	bhjwjtjdusgf.exe
4856	pxodcfubixklgwvrfm.exe
2744	Utsysc.exe
3664	XRJNZC.exe
3624	hv.exe

Loads dropped DLL 1 IoCs

pid	Process
3624	hv.exe

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

Themida packer 16 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/files/0x00050000000220d2-67.dat	themida
behavioral2/files/0x00050000000220d2-68.dat	themida
behavioral2/memory/2488-69-0x0000000000790000-0x0000000001552000-memory.dmp	themida
behavioral2/memory/2488-75-0x0000000000790000-0x0000000001552000-memory.dmp	themida
behavioral2/memory/2488-88-0x0000000000790000-0x0000000001552000-memory.dmp	themida
behavioral2/memory/2488-97-0x0000000000790000-0x0000000001552000-memory.dmp	themida
behavioral2/memory/2488-100-0x0000000000790000-0x0000000001552000-memory.dmp	themida
behavioral2/memory/2488-101-0x0000000000790000-0x0000000001552000-memory.dmp	themida
behavioral2/memory/2488-105-0x0000000000790000-0x0000000001552000-memory.dmp	themida
behavioral2/memory/2488-112-0x0000000000790000-0x0000000001552000-memory.dmp	themida
behavioral2/files/0x0008000000022af1-144.dat	themida
behavioral2/files/0x0008000000022af1-145.dat	themida
behavioral2/files/0x0008000000022af1-146.dat	themida
behavioral2/memory/3664-147-0x0000000000E70000-0x0000000001C32000-memory.dmp	themida
behavioral2/memory/3664-161-0x0000000000E70000-0x0000000001C32000-memory.dmp	themida
behavioral2/memory/3664-209-0x0000000000E70000-0x0000000001C32000-memory.dmp	themida

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

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-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hv.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1000078001\\hv.exe"	Utsysc.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

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	bhjwjtjdusgf.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	XRJNZC.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
File opened (read-only)	\??\F:	ChromeSetup.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2488	bhjwjtjdusgf.exe
3664	XRJNZC.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4368 set thread context of 1072	4368	ChromeSetup.exe	97
PID 3624 set thread context of 2924	3624	hv.exe	114

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 2 IoCs

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

persistence

Scheduled Task/Job

pid	Process
5044	schtasks.exe
4668	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1756	timeout.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4368	ChromeSetup.exe
4368	ChromeSetup.exe
4368	ChromeSetup.exe
4368	ChromeSetup.exe
4368	ChromeSetup.exe
4368	ChromeSetup.exe
4368	ChromeSetup.exe
4368	ChromeSetup.exe
4368	ChromeSetup.exe
4368	ChromeSetup.exe
4368	ChromeSetup.exe
4368	ChromeSetup.exe
3812	powershell.exe
3812	powershell.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe
1072	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3812	powershell.exe
Token: SeDebugPrivilege	4856	pxodcfubixklgwvrfm.exe
Token: SeDebugPrivilege	2924	RegAsm.exe
Token: SeDebugPrivilege	3624	hv.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
444	modwnrhnigsm.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 4368 wrote to memory of 3812	4368	ChromeSetup.exe	94
PID 4368 wrote to memory of 3812	4368	ChromeSetup.exe	94
PID 4368 wrote to memory of 1072	4368	ChromeSetup.exe	97
PID 4368 wrote to memory of 1072	4368	ChromeSetup.exe	97
PID 4368 wrote to memory of 1072	4368	ChromeSetup.exe	97
PID 4368 wrote to memory of 1072	4368	ChromeSetup.exe	97
PID 4368 wrote to memory of 1072	4368	ChromeSetup.exe	97
PID 4368 wrote to memory of 1072	4368	ChromeSetup.exe	97
PID 4368 wrote to memory of 1072	4368	ChromeSetup.exe	97
PID 4368 wrote to memory of 1072	4368	ChromeSetup.exe	97
PID 4368 wrote to memory of 1072	4368	ChromeSetup.exe	97
PID 1072 wrote to memory of 444	1072	MSBuild.exe	99
PID 1072 wrote to memory of 444	1072	MSBuild.exe	99
PID 1072 wrote to memory of 444	1072	MSBuild.exe	99
PID 1072 wrote to memory of 2488	1072	MSBuild.exe	101
PID 1072 wrote to memory of 2488	1072	MSBuild.exe	101
PID 1072 wrote to memory of 2488	1072	MSBuild.exe	101
PID 1072 wrote to memory of 4856	1072	MSBuild.exe	102
PID 1072 wrote to memory of 4856	1072	MSBuild.exe	102
PID 444 wrote to memory of 2744	444	modwnrhnigsm.exe	103
PID 444 wrote to memory of 2744	444	modwnrhnigsm.exe	103
PID 444 wrote to memory of 2744	444	modwnrhnigsm.exe	103
PID 2488 wrote to memory of 4284	2488	bhjwjtjdusgf.exe	104
PID 2488 wrote to memory of 4284	2488	bhjwjtjdusgf.exe	104
PID 2488 wrote to memory of 4284	2488	bhjwjtjdusgf.exe	104
PID 4284 wrote to memory of 1756	4284	cmd.exe	106
PID 4284 wrote to memory of 1756	4284	cmd.exe	106
PID 4284 wrote to memory of 1756	4284	cmd.exe	106
PID 4284 wrote to memory of 3664	4284	cmd.exe	108
PID 4284 wrote to memory of 3664	4284	cmd.exe	108
PID 4284 wrote to memory of 3664	4284	cmd.exe	108
PID 2744 wrote to memory of 5044	2744	Utsysc.exe	109
PID 2744 wrote to memory of 5044	2744	Utsysc.exe	109
PID 2744 wrote to memory of 5044	2744	Utsysc.exe	109
PID 2744 wrote to memory of 3624	2744	Utsysc.exe	111
PID 2744 wrote to memory of 3624	2744	Utsysc.exe	111
PID 2744 wrote to memory of 3624	2744	Utsysc.exe	111
PID 3664 wrote to memory of 4668	3664	XRJNZC.exe	112
PID 3664 wrote to memory of 4668	3664	XRJNZC.exe	112
PID 3664 wrote to memory of 4668	3664	XRJNZC.exe	112
PID 3624 wrote to memory of 2924	3624	hv.exe	114
PID 3624 wrote to memory of 2924	3624	hv.exe	114
PID 3624 wrote to memory of 2924	3624	hv.exe	114
PID 3624 wrote to memory of 2924	3624	hv.exe	114
PID 3624 wrote to memory of 2924	3624	hv.exe	114
PID 3624 wrote to memory of 2924	3624	hv.exe	114
PID 3624 wrote to memory of 2924	3624	hv.exe	114
PID 3624 wrote to memory of 2924	3624	hv.exe	114

C:\Users\Admin\AppData\Local\Temp\ChromeSetup.exe
"C:\Users\Admin\AppData\Local\Temp\ChromeSetup.exe"
1⤵
- Checks computer location settings
- Enumerates connected drives
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4368
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3812
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1072
- - C:\Users\Admin\AppData\Local\Temp\modwnrhnigsm.exe
    "C:\Users\Admin\AppData\Local\Temp\modwnrhnigsm.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:444
  - - C:\Users\Admin\AppData\Local\Temp\b64c58644b\Utsysc.exe
      "C:\Users\Admin\AppData\Local\Temp\b64c58644b\Utsysc.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:2744
    - - C:\Windows\SysWOW64\schtasks.exe
        
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN Utsysc.exe /TR "C:\Users\Admin\AppData\Local\Temp\b64c58644b\Utsysc.exe" /F
        5⤵
        Creates scheduled task(s)
        
        PID:5044
    - - C:\Users\Admin\AppData\Local\Temp\1000078001\hv.exe
        
        "C:\Users\Admin\AppData\Local\Temp\1000078001\hv.exe"
        5⤵
        Executes dropped EXE
        Loads dropped DLL
        Suspicious use of SetThreadContext
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:3624
      - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        6⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:2924
- - C:\Users\Admin\AppData\Local\Temp\bhjwjtjdusgf.exe
    "C:\Users\Admin\AppData\Local\Temp\bhjwjtjdusgf.exe"
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Checks computer location settings
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious use of WriteProcessMemory
    PID:2488
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\s1x4.0.bat" "
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4284
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout 3
        5⤵
        Delays execution with timeout.exe
        
        PID:1756
    - - C:\ProgramData\pinterests\XRJNZC.exe
        
        "C:\ProgramData\pinterests\XRJNZC.exe"
        5⤵
        Identifies VirtualBox via ACPI registry values (likely anti-VM)
        Checks BIOS information in registry
        Checks computer location settings
        Executes dropped EXE
        Checks whether UAC is enabled
        Suspicious use of NtSetInformationThreadHideFromDebugger
        Suspicious use of WriteProcessMemory
        
        PID:3664
      - C:\Windows\SysWOW64\schtasks.exe
        
        "C:\Windows\System32\schtasks.exe" /create /sc MINUTE /mo 1 /RL HIGHEST /tn "XRJNZC" /tr C:\ProgramData\pinterests\XRJNZC.exe /f
        6⤵
        Creates scheduled task(s)
        
        PID:4668
- - C:\Users\Admin\AppData\Local\Temp\pxodcfubixklgwvrfm.exe
    "C:\Users\Admin\AppData\Local\Temp\pxodcfubixklgwvrfm.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:4856

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

T1497

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery