xmrig | f30175e2da78108868784592e693600e118f1d38e560fc0a7421a7dc837b3780

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	20ac3931c50d6d17fbbeb772f7fdea4c36ba2286da2df918e9bcc5fba4377800.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	cpsvchost.exe

XMRig Miner payload 24 IoCs

miner

resource	yara_rule
behavioral1/memory/2720-6-0x0000000000B20000-0x00000000019F4000-memory.dmp	xmrig
behavioral1/memory/2720-5-0x0000000000B20000-0x00000000019F4000-memory.dmp	xmrig
behavioral1/memory/2984-11-0x0000000000B50000-0x0000000001A24000-memory.dmp	xmrig
behavioral1/memory/2984-13-0x0000000000B50000-0x0000000001A24000-memory.dmp	xmrig
behavioral1/memory/2984-12-0x0000000000B50000-0x0000000001A24000-memory.dmp	xmrig
behavioral1/memory/2984-14-0x0000000000B50000-0x0000000001A24000-memory.dmp	xmrig
behavioral1/memory/2984-15-0x0000000000B50000-0x0000000001A24000-memory.dmp	xmrig
behavioral1/memory/2984-16-0x0000000000B50000-0x0000000001A24000-memory.dmp	xmrig
behavioral1/memory/2984-17-0x0000000000B50000-0x0000000001A24000-memory.dmp	xmrig
behavioral1/memory/2984-18-0x0000000000B50000-0x0000000001A24000-memory.dmp	xmrig
behavioral1/memory/2984-19-0x0000000000B50000-0x0000000001A24000-memory.dmp	xmrig
behavioral1/memory/2984-20-0x0000000000B50000-0x0000000001A24000-memory.dmp	xmrig
behavioral1/memory/2984-21-0x0000000000B50000-0x0000000001A24000-memory.dmp	xmrig
behavioral1/memory/2984-22-0x0000000000B50000-0x0000000001A24000-memory.dmp	xmrig
behavioral1/memory/2984-23-0x0000000000B50000-0x0000000001A24000-memory.dmp	xmrig
behavioral1/memory/2984-24-0x0000000000B50000-0x0000000001A24000-memory.dmp	xmrig
behavioral1/memory/2984-25-0x0000000000B50000-0x0000000001A24000-memory.dmp	xmrig
behavioral1/memory/2984-26-0x0000000000B50000-0x0000000001A24000-memory.dmp	xmrig
behavioral1/memory/2984-27-0x0000000000B50000-0x0000000001A24000-memory.dmp	xmrig
behavioral1/memory/2984-28-0x0000000000B50000-0x0000000001A24000-memory.dmp	xmrig
behavioral1/memory/2984-29-0x0000000000B50000-0x0000000001A24000-memory.dmp	xmrig
behavioral1/memory/2984-30-0x0000000000B50000-0x0000000001A24000-memory.dmp	xmrig
behavioral1/memory/2984-31-0x0000000000B50000-0x0000000001A24000-memory.dmp	xmrig
behavioral1/memory/2984-32-0x0000000000B50000-0x0000000001A24000-memory.dmp	xmrig

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

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	20ac3931c50d6d17fbbeb772f7fdea4c36ba2286da2df918e9bcc5fba4377800.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	20ac3931c50d6d17fbbeb772f7fdea4c36ba2286da2df918e9bcc5fba4377800.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	cpsvchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	cpsvchost.exe

Cryptocurrency Miner
Makes network request to known mining pool URL.
miner

Executes dropped EXE 1 IoCs

pid	Process
2984	cpsvchost.exe

Identifies Wine through registry keys 2 TTPs 2 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-1-5-21-3502430532-24693940-2469786940-1000\Software\Wine	20ac3931c50d6d17fbbeb772f7fdea4c36ba2286da2df918e9bcc5fba4377800.exe
Key opened	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Wine	cpsvchost.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2720	20ac3931c50d6d17fbbeb772f7fdea4c36ba2286da2df918e9bcc5fba4377800.exe
2984	cpsvchost.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cpsvchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	20ac3931c50d6d17fbbeb772f7fdea4c36ba2286da2df918e9bcc5fba4377800.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

pid	Process
1160	schtasks.exe
2912	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2720	20ac3931c50d6d17fbbeb772f7fdea4c36ba2286da2df918e9bcc5fba4377800.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe
2984	cpsvchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeLockMemoryPrivilege	2984	cpsvchost.exe
Token: SeLockMemoryPrivilege	2984	cpsvchost.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 2912	2720	20ac3931c50d6d17fbbeb772f7fdea4c36ba2286da2df918e9bcc5fba4377800.exe	30
PID 2720 wrote to memory of 2912	2720	20ac3931c50d6d17fbbeb772f7fdea4c36ba2286da2df918e9bcc5fba4377800.exe	30
PID 2720 wrote to memory of 2912	2720	20ac3931c50d6d17fbbeb772f7fdea4c36ba2286da2df918e9bcc5fba4377800.exe	30
PID 2720 wrote to memory of 2912	2720	20ac3931c50d6d17fbbeb772f7fdea4c36ba2286da2df918e9bcc5fba4377800.exe	30
PID 2972 wrote to memory of 2984	2972	taskeng.exe	34
PID 2972 wrote to memory of 2984	2972	taskeng.exe	34
PID 2972 wrote to memory of 2984	2972	taskeng.exe	34
PID 2972 wrote to memory of 2984	2972	taskeng.exe	34
PID 2984 wrote to memory of 1160	2984	cpsvchost.exe	35
PID 2984 wrote to memory of 1160	2984	cpsvchost.exe	35
PID 2984 wrote to memory of 1160	2984	cpsvchost.exe	35
PID 2984 wrote to memory of 1160	2984	cpsvchost.exe	35

C:\Users\Admin\AppData\Local\Temp\20ac3931c50d6d17fbbeb772f7fdea4c36ba2286da2df918e9bcc5fba4377800.exe
"C:\Users\Admin\AppData\Local\Temp\20ac3931c50d6d17fbbeb772f7fdea4c36ba2286da2df918e9bcc5fba4377800.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN System\WindowsDefender /TR C:\ProgramData\cpsvchost.exe /F
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2912

C:\Windows\system32\taskeng.exe
taskeng.exe {050AEE39-C6C4-4AD4-AEAC-611983AA5C13} S-1-5-21-3502430532-24693940-2469786940-1000:PSBQWFYT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2972
- C:\ProgramData\cpsvchost.exe
  C:\ProgramData\cpsvchost.exe
  2⤵
  - 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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2984
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN System\WindowsDefender /TR C:\ProgramData\cpsvchost.exe /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1160

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion