poullight | 7eb413dad7c8b001bbeae51a20513d2da210d5a6a2aaba16a4fdf428e24dff0a

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	7eb413dad7c8b001bbeae51a20513d2da210d5a6a2aaba16a4fdf428e24dff0a.exe

Executes dropped EXE 2 IoCs

pid	Process
4140	build (1).exe
4580	ezesp-18-03.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x00060000000231ed-139.dat	upx
behavioral2/files/0x00060000000231ed-143.dat	upx
behavioral2/memory/4580-146-0x0000000000470000-0x000000000047D000-memory.dmp	upx

Checks BIOS information in registry 2 TTPs 2 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	7eb413dad7c8b001bbeae51a20513d2da210d5a6a2aaba16a4fdf428e24dff0a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	7eb413dad7c8b001bbeae51a20513d2da210d5a6a2aaba16a4fdf428e24dff0a.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	7eb413dad7c8b001bbeae51a20513d2da210d5a6a2aaba16a4fdf428e24dff0a.exe

Identifies Wine through registry keys 2 TTPs 1 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-1-5-21-3751123196-3323558407-1869646069-1000\Software\Wine	7eb413dad7c8b001bbeae51a20513d2da210d5a6a2aaba16a4fdf428e24dff0a.exe

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4992-132-0x0000000001000000-0x0000000001469000-memory.dmp	autoit_exe
behavioral2/memory/4992-133-0x0000000001000000-0x0000000001469000-memory.dmp	autoit_exe
behavioral2/memory/4992-141-0x0000000001000000-0x0000000001469000-memory.dmp	autoit_exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4992	7eb413dad7c8b001bbeae51a20513d2da210d5a6a2aaba16a4fdf428e24dff0a.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4036	4140	WerFault.exe	81

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	msedge.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4992	7eb413dad7c8b001bbeae51a20513d2da210d5a6a2aaba16a4fdf428e24dff0a.exe
4992	7eb413dad7c8b001bbeae51a20513d2da210d5a6a2aaba16a4fdf428e24dff0a.exe
4140	build (1).exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe
4580	ezesp-18-03.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs

pid	Process
5016	msedge.exe
5016	msedge.exe
5016	msedge.exe
5016	msedge.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4140	build (1).exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
5016	msedge.exe
5016	msedge.exe
5016	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4992 wrote to memory of 4140	4992	7eb413dad7c8b001bbeae51a20513d2da210d5a6a2aaba16a4fdf428e24dff0a.exe	81
PID 4992 wrote to memory of 4140	4992	7eb413dad7c8b001bbeae51a20513d2da210d5a6a2aaba16a4fdf428e24dff0a.exe	81
PID 4992 wrote to memory of 4580	4992	7eb413dad7c8b001bbeae51a20513d2da210d5a6a2aaba16a4fdf428e24dff0a.exe	83
PID 4992 wrote to memory of 4580	4992	7eb413dad7c8b001bbeae51a20513d2da210d5a6a2aaba16a4fdf428e24dff0a.exe	83
PID 4992 wrote to memory of 4580	4992	7eb413dad7c8b001bbeae51a20513d2da210d5a6a2aaba16a4fdf428e24dff0a.exe	83
PID 4580 wrote to memory of 4296	4580	ezesp-18-03.exe	85
PID 4580 wrote to memory of 4296	4580	ezesp-18-03.exe	85
PID 4580 wrote to memory of 4296	4580	ezesp-18-03.exe	85
PID 4580 wrote to memory of 5016	4580	ezesp-18-03.exe	86
PID 4580 wrote to memory of 5016	4580	ezesp-18-03.exe	86
PID 5016 wrote to memory of 4352	5016	msedge.exe	87
PID 5016 wrote to memory of 4352	5016	msedge.exe	87
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 4888	5016	msedge.exe	90
PID 5016 wrote to memory of 1088	5016	msedge.exe	91
PID 5016 wrote to memory of 1088	5016	msedge.exe	91
PID 5016 wrote to memory of 1868	5016	msedge.exe	92
PID 5016 wrote to memory of 1868	5016	msedge.exe	92
PID 5016 wrote to memory of 1868	5016	msedge.exe	92
PID 5016 wrote to memory of 1868	5016	msedge.exe	92
PID 5016 wrote to memory of 1868	5016	msedge.exe	92
PID 5016 wrote to memory of 1868	5016	msedge.exe	92
PID 5016 wrote to memory of 1868	5016	msedge.exe	92
PID 5016 wrote to memory of 1868	5016	msedge.exe	92
PID 5016 wrote to memory of 1868	5016	msedge.exe	92
PID 5016 wrote to memory of 1868	5016	msedge.exe	92

C:\Users\Admin\AppData\Local\Temp\7eb413dad7c8b001bbeae51a20513d2da210d5a6a2aaba16a4fdf428e24dff0a.exe
"C:\Users\Admin\AppData\Local\Temp\7eb413dad7c8b001bbeae51a20513d2da210d5a6a2aaba16a4fdf428e24dff0a.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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4992
- C:\Users\Admin\AppData\Roaming\GMsbdXV5TyL\build (1).exe
  "C:\Users\Admin\AppData\Roaming\GMsbdXV5TyL\build (1).exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4140
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 4140 -s 1536
    3⤵
    - Program crash
    PID:4036
- C:\Users\Admin\AppData\Roaming\GMsbdXV5TyL\ezesp-18-03.exe
  "C:\Users\Admin\AppData\Roaming\GMsbdXV5TyL\ezesp-18-03.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4580
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c Color 2
    3⤵
    PID:4296
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://ezhack.ru/ezesp/hh.php
    3⤵
    - Enumerates system info in registry
    - Modifies registry class
    - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:5016
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ffe6c4e46f8,0x7ffe6c4e4708,0x7ffe6c4e4718
      4⤵
      PID:4352
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2152,2011945620131672842,5238486315861839566,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2188 /prefetch:2
      4⤵
      PID:4888
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2152,2011945620131672842,5238486315861839566,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2296 /prefetch:3
      4⤵
      PID:1088
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2152,2011945620131672842,5238486315861839566,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2556 /prefetch:8
      4⤵
      PID:1868
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,2011945620131672842,5238486315861839566,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3900 /prefetch:1
      4⤵
      PID:1028
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,2011945620131672842,5238486315861839566,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3528 /prefetch:1
      4⤵
      PID:2212
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,2011945620131672842,5238486315861839566,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5392 /prefetch:1
      4⤵
      PID:4320
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,2011945620131672842,5238486315861839566,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5432 /prefetch:1
      4⤵
      PID:4928
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2152,2011945620131672842,5238486315861839566,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3348 /prefetch:8
      4⤵
      PID:2772
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2152,2011945620131672842,5238486315861839566,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3240 /prefetch:8
      4⤵
      PID:2228

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 420 -p 4140 -ip 4140
1⤵
PID:1696

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:780

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

Virtualization/Sandbox Evasion