amadey | 6fefbaa7c5cb09a64b483a20030e7c6e8411def2a1c9bfc9432cf2636c0d2017

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	6fefbaa7c5cb09a64b483a20030e7c6e8411def2a1c9bfc9432cf2636c0d2017.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	axplong.exe

Downloads MZ/PE file

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\VideoBiosVersion	6fefbaa7c5cb09a64b483a20030e7c6e8411def2a1c9bfc9432cf2636c0d2017.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	6fefbaa7c5cb09a64b483a20030e7c6e8411def2a1c9bfc9432cf2636c0d2017.exe

Executes dropped EXE 6 IoCs

pid	Process
2140	axplong.exe
1708	Newofff.exe
2884	Hkbsse.exe
2536	JavUmar1.exe
1980	service123.exe
1992	service123.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-1-5-21-2039016743-699959520-214465309-1000\Software\Wine	6fefbaa7c5cb09a64b483a20030e7c6e8411def2a1c9bfc9432cf2636c0d2017.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Wine	axplong.exe

Loads dropped DLL 9 IoCs

pid	Process
272	6fefbaa7c5cb09a64b483a20030e7c6e8411def2a1c9bfc9432cf2636c0d2017.exe
2140	axplong.exe
1708	Newofff.exe
2884	Hkbsse.exe
2884	Hkbsse.exe
2536	JavUmar1.exe
2536	JavUmar1.exe
1980	service123.exe
1992	service123.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
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 2 IoCs

pid	Process
272	6fefbaa7c5cb09a64b483a20030e7c6e8411def2a1c9bfc9432cf2636c0d2017.exe
2140	axplong.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\axplong.job	6fefbaa7c5cb09a64b483a20030e7c6e8411def2a1c9bfc9432cf2636c0d2017.exe
File created	C:\Windows\Tasks\Hkbsse.job	Newofff.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 6 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	Newofff.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Hkbsse.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JavUmar1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6fefbaa7c5cb09a64b483a20030e7c6e8411def2a1c9bfc9432cf2636c0d2017.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	axplong.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

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	JavUmar1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	JavUmar1.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

pid	Process
708	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
272	6fefbaa7c5cb09a64b483a20030e7c6e8411def2a1c9bfc9432cf2636c0d2017.exe
2140	axplong.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
272	6fefbaa7c5cb09a64b483a20030e7c6e8411def2a1c9bfc9432cf2636c0d2017.exe
1708	Newofff.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 272 wrote to memory of 2140	272	6fefbaa7c5cb09a64b483a20030e7c6e8411def2a1c9bfc9432cf2636c0d2017.exe	31
PID 272 wrote to memory of 2140	272	6fefbaa7c5cb09a64b483a20030e7c6e8411def2a1c9bfc9432cf2636c0d2017.exe	31
PID 272 wrote to memory of 2140	272	6fefbaa7c5cb09a64b483a20030e7c6e8411def2a1c9bfc9432cf2636c0d2017.exe	31
PID 272 wrote to memory of 2140	272	6fefbaa7c5cb09a64b483a20030e7c6e8411def2a1c9bfc9432cf2636c0d2017.exe	31
PID 2140 wrote to memory of 1708	2140	axplong.exe	33
PID 2140 wrote to memory of 1708	2140	axplong.exe	33
PID 2140 wrote to memory of 1708	2140	axplong.exe	33
PID 2140 wrote to memory of 1708	2140	axplong.exe	33
PID 1708 wrote to memory of 2884	1708	Newofff.exe	34
PID 1708 wrote to memory of 2884	1708	Newofff.exe	34
PID 1708 wrote to memory of 2884	1708	Newofff.exe	34
PID 1708 wrote to memory of 2884	1708	Newofff.exe	34
PID 2884 wrote to memory of 2536	2884	Hkbsse.exe	36
PID 2884 wrote to memory of 2536	2884	Hkbsse.exe	36
PID 2884 wrote to memory of 2536	2884	Hkbsse.exe	36
PID 2884 wrote to memory of 2536	2884	Hkbsse.exe	36
PID 2536 wrote to memory of 1980	2536	JavUmar1.exe	38
PID 2536 wrote to memory of 1980	2536	JavUmar1.exe	38
PID 2536 wrote to memory of 1980	2536	JavUmar1.exe	38
PID 2536 wrote to memory of 1980	2536	JavUmar1.exe	38
PID 2536 wrote to memory of 708	2536	JavUmar1.exe	39
PID 2536 wrote to memory of 708	2536	JavUmar1.exe	39
PID 2536 wrote to memory of 708	2536	JavUmar1.exe	39
PID 2536 wrote to memory of 708	2536	JavUmar1.exe	39
PID 936 wrote to memory of 1992	936	taskeng.exe	42
PID 936 wrote to memory of 1992	936	taskeng.exe	42
PID 936 wrote to memory of 1992	936	taskeng.exe	42
PID 936 wrote to memory of 1992	936	taskeng.exe	42

C:\Users\Admin\AppData\Local\Temp\6fefbaa7c5cb09a64b483a20030e7c6e8411def2a1c9bfc9432cf2636c0d2017.exe
"C:\Users\Admin\AppData\Local\Temp\6fefbaa7c5cb09a64b483a20030e7c6e8411def2a1c9bfc9432cf2636c0d2017.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:272
- C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe
  "C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Loads dropped DLL
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2140
- - C:\Users\Admin\AppData\Local\Temp\1000477001\Newofff.exe
    "C:\Users\Admin\AppData\Local\Temp\1000477001\Newofff.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1708
  - - C:\Users\Admin\AppData\Local\Temp\054fdc5f70\Hkbsse.exe
      "C:\Users\Admin\AppData\Local\Temp\054fdc5f70\Hkbsse.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2884
    - - C:\Users\Admin\AppData\Local\Temp\1000098001\JavUmar1.exe
        
        "C:\Users\Admin\AppData\Local\Temp\1000098001\JavUmar1.exe"
        5⤵
        Executes dropped EXE
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Checks processor information in registry
        Suspicious use of WriteProcessMemory
        
        PID:2536
      - C:\Users\Admin\AppData\Local\Temp\service123.exe
        
        "C:\Users\Admin\AppData\Local\Temp\service123.exe"
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        
        PID:1980
      - C:\Windows\SysWOW64\schtasks.exe
        
        "C:\Windows\System32\schtasks.exe" /create /tn "ServiceData4" /tr "C:\Users\Admin\AppData\Local\Temp\/service123.exe" /st 00:01 /du 9800:59 /sc once /ri 1 /f
        6⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:708

C:\Windows\system32\taskeng.exe
taskeng.exe {9C075855-5D39-4F0C-8967-0A3DE5DAE570} S-1-5-21-2039016743-699959520-214465309-1000:PIDEURYY\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:936
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1992

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

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

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion