cryptbot | b5086a758d463bce597c5bd5c6f23707e82f3a19f9ac96b4c9e1935bb00134b9

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	b308cb2b9e0c87edfca66e3b337f4efbecefbd2ece7a52f8a0708da0934322fc.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	rprnhdcrvyyp.exe

Blocklisted process makes network request 2 IoCs

flow	pid	Process
17	4988	WScript.exe
19	4988	WScript.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 10 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	uoudmiyela.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	uoudmiyela.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	SmartClock.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	rprnhdcrvyyp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	rprnhdcrvyyp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	SmartClock.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	b308cb2b9e0c87edfca66e3b337f4efbecefbd2ece7a52f8a0708da0934322fc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b308cb2b9e0c87edfca66e3b337f4efbecefbd2ece7a52f8a0708da0934322fc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	whoxhtgqi.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	whoxhtgqi.exe

Checks computer location settings 2 TTPs 3 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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	b308cb2b9e0c87edfca66e3b337f4efbecefbd2ece7a52f8a0708da0934322fc.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	cmd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	rprnhdcrvyyp.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SmartClock.lnk	uoudmiyela.exe

Executes dropped EXE 4 IoCs

pid	Process
2808	whoxhtgqi.exe
4608	rprnhdcrvyyp.exe
5084	uoudmiyela.exe
4932	SmartClock.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-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	rprnhdcrvyyp.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	b308cb2b9e0c87edfca66e3b337f4efbecefbd2ece7a52f8a0708da0934322fc.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
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

Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs

Web Service

T1102

flow	ioc
45	bitbucket.org
46	bitbucket.org
16	iplogger.org
17	iplogger.org

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
43	ip-api.com

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1576	b308cb2b9e0c87edfca66e3b337f4efbecefbd2ece7a52f8a0708da0934322fc.exe
4608	rprnhdcrvyyp.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 11 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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b308cb2b9e0c87edfca66e3b337f4efbecefbd2ece7a52f8a0708da0934322fc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rprnhdcrvyyp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Checks processor information in registry 2 TTPs 4 IoCs

Processor 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\CentralProcessor\0\ProcessorNameString	b308cb2b9e0c87edfca66e3b337f4efbecefbd2ece7a52f8a0708da0934322fc.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	whoxhtgqi.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	whoxhtgqi.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	b308cb2b9e0c87edfca66e3b337f4efbecefbd2ece7a52f8a0708da0934322fc.exe

Delays execution with timeout.exe 2 IoCs

evasion

pid	Process
1728	timeout.exe
1524	timeout.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\Local Settings	cmd.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4932	SmartClock.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1576	b308cb2b9e0c87edfca66e3b337f4efbecefbd2ece7a52f8a0708da0934322fc.exe
1576	b308cb2b9e0c87edfca66e3b337f4efbecefbd2ece7a52f8a0708da0934322fc.exe
4608	rprnhdcrvyyp.exe
4608	rprnhdcrvyyp.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2808	whoxhtgqi.exe
2808	whoxhtgqi.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1576 wrote to memory of 1616	1576	b308cb2b9e0c87edfca66e3b337f4efbecefbd2ece7a52f8a0708da0934322fc.exe	91
PID 1576 wrote to memory of 1616	1576	b308cb2b9e0c87edfca66e3b337f4efbecefbd2ece7a52f8a0708da0934322fc.exe	91
PID 1576 wrote to memory of 1616	1576	b308cb2b9e0c87edfca66e3b337f4efbecefbd2ece7a52f8a0708da0934322fc.exe	91
PID 1616 wrote to memory of 4988	1616	cmd.exe	93
PID 1616 wrote to memory of 4988	1616	cmd.exe	93
PID 1616 wrote to memory of 4988	1616	cmd.exe	93
PID 1576 wrote to memory of 688	1576	b308cb2b9e0c87edfca66e3b337f4efbecefbd2ece7a52f8a0708da0934322fc.exe	99
PID 1576 wrote to memory of 688	1576	b308cb2b9e0c87edfca66e3b337f4efbecefbd2ece7a52f8a0708da0934322fc.exe	99
PID 1576 wrote to memory of 688	1576	b308cb2b9e0c87edfca66e3b337f4efbecefbd2ece7a52f8a0708da0934322fc.exe	99
PID 688 wrote to memory of 2808	688	cmd.exe	101
PID 688 wrote to memory of 2808	688	cmd.exe	101
PID 1576 wrote to memory of 3520	1576	b308cb2b9e0c87edfca66e3b337f4efbecefbd2ece7a52f8a0708da0934322fc.exe	107
PID 1576 wrote to memory of 3520	1576	b308cb2b9e0c87edfca66e3b337f4efbecefbd2ece7a52f8a0708da0934322fc.exe	107
PID 1576 wrote to memory of 3520	1576	b308cb2b9e0c87edfca66e3b337f4efbecefbd2ece7a52f8a0708da0934322fc.exe	107
PID 3520 wrote to memory of 4608	3520	cmd.exe	109
PID 3520 wrote to memory of 4608	3520	cmd.exe	109
PID 3520 wrote to memory of 4608	3520	cmd.exe	109
PID 1576 wrote to memory of 2028	1576	b308cb2b9e0c87edfca66e3b337f4efbecefbd2ece7a52f8a0708da0934322fc.exe	110
PID 1576 wrote to memory of 2028	1576	b308cb2b9e0c87edfca66e3b337f4efbecefbd2ece7a52f8a0708da0934322fc.exe	110
PID 1576 wrote to memory of 2028	1576	b308cb2b9e0c87edfca66e3b337f4efbecefbd2ece7a52f8a0708da0934322fc.exe	110
PID 2028 wrote to memory of 5084	2028	cmd.exe	112
PID 2028 wrote to memory of 5084	2028	cmd.exe	112
PID 5084 wrote to memory of 4932	5084	uoudmiyela.exe	113
PID 5084 wrote to memory of 4932	5084	uoudmiyela.exe	113
PID 4608 wrote to memory of 4724	4608	rprnhdcrvyyp.exe	115
PID 4608 wrote to memory of 4724	4608	rprnhdcrvyyp.exe	115
PID 4608 wrote to memory of 4724	4608	rprnhdcrvyyp.exe	115
PID 4724 wrote to memory of 1728	4724	cmd.exe	117
PID 4724 wrote to memory of 1728	4724	cmd.exe	117
PID 4724 wrote to memory of 1728	4724	cmd.exe	117
PID 4608 wrote to memory of 2364	4608	rprnhdcrvyyp.exe	118
PID 4608 wrote to memory of 2364	4608	rprnhdcrvyyp.exe	118
PID 4608 wrote to memory of 2364	4608	rprnhdcrvyyp.exe	118
PID 2364 wrote to memory of 1524	2364	cmd.exe	120
PID 2364 wrote to memory of 1524	2364	cmd.exe	120
PID 2364 wrote to memory of 1524	2364	cmd.exe	120

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\b308cb2b9e0c87edfca66e3b337f4efbecefbd2ece7a52f8a0708da0934322fc.exe
"C:\Users\Admin\AppData\Local\Temp\b308cb2b9e0c87edfca66e3b337f4efbecefbd2ece7a52f8a0708da0934322fc.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
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1576
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\xnnxousmud.vbs"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1616
- - C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\xnnxousmud.vbs"
    3⤵
    - Blocklisted process makes network request
    - System Location Discovery: System Language Discovery
    PID:4988
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\whoxhtgqi.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:688
- - C:\Users\Admin\AppData\Local\Temp\whoxhtgqi.exe
    "C:\Users\Admin\AppData\Local\Temp\whoxhtgqi.exe"
    3⤵
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Checks processor information in registry
    - Suspicious use of FindShellTrayWindow
    PID:2808
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\rprnhdcrvyyp.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3520
- - C:\Users\Admin\AppData\Local\Temp\rprnhdcrvyyp.exe
    "C:\Users\Admin\AppData\Local\Temp\rprnhdcrvyyp.exe"
    3⤵
    - 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
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:4608
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c rd /s /q C:\ProgramData\sjddivmjrmgpw & timeout 2 & del /f /q "C:\Users\Admin\AppData\Local\Temp\rprnhdcrvyyp.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4724
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout 2
        5⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:1728
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c rd /s /q C:\ProgramData\sjddivmjrmgpw & timeout 2 & del /f /q "C:\Users\Admin\AppData\Local\Temp\rprnhdcrvyyp.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2364
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout 2
        5⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:1524
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\uoudmiyela.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2028
- - C:\Users\Admin\AppData\Local\Temp\uoudmiyela.exe
    "C:\Users\Admin\AppData\Local\Temp\uoudmiyela.exe"
    3⤵
    - Checks BIOS information in registry
    - Drops startup file
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:5084
  - - C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe
      "C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe"
      4⤵
      Checks BIOS information in registry
      Executes dropped EXE
      Suspicious behavior: AddClipboardFormatListener
      PID:4932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

System Information Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion