locky | ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
04-12-2022 22:30

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General

Target

ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6.exe
Size

217KB
MD5

91c17565508fc5b288d467109e3aef48
SHA1

cac9d66842779bd61ebf4592c7e52862bc8c9347
SHA256

ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6
SHA512

ba5e78bbc02e193422546291878796f4e10147616c64c42d9a5ee202cb558971d1b42276c5ef799671be0e19b7d862f672ba9b4e704e80576bcebbc4dc3ff5f6
SSDEEP

3072:NFvbdafaNL5WMg5ZMRQrZ5eT+UOtnDNoGMxCl7zjfJX115BymGuDLhGEyseRR8Ti:NFvbgg5WWQ9a+tVMC7l11bLhZeYTTsd

Score

10^/10

locky locky_osiris persistence ransomware upx

Malware Config

Signatures

Locky
Ransomware strain released in 2016, with advanced features like anti-analysis.
ransomware locky
Locky (Osiris variant)
Variant of the Locky ransomware seen in the wild since early 2017.
ransomware locky_osiris

Modifies extensions of user files 2 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File opened for modification	\??\c:\Users\Admin\Pictures\SelectCompare.tiff	ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6.exe
File opened for modification	\??\c:\Users\Admin\Pictures\SwitchUndo.tiff	ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1780-132-0x0000000000140000-0x000000000016C000-memory.dmp	upx
behavioral2/memory/1780-133-0x0000000000140000-0x000000000016C000-memory.dmp	upx
behavioral2/memory/1780-136-0x0000000000140000-0x000000000016C000-memory.dmp	upx
behavioral2/memory/4036-141-0x0000000000140000-0x000000000016C000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run	msedge.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\DesktopOSIRIS.bmp"	ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1780 set thread context of 4036	1780	ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6.exe	90

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\676dc2c7-46d3-42d5-906b-0acdc9b66a0f.tmp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\20221208204434.pma	setup.exe

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

System Information Discovery
T1082

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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 Control Panel 2 IoCs

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\Desktop\WallpaperStyle = "0"	ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\Desktop\TileWallpaper = "0"	ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6.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 6 IoCs

pid	Process
572	msedge.exe
572	msedge.exe
3560	msedge.exe
3560	msedge.exe
4320	identity_helper.exe
4320	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs

pid	Process
3560	msedge.exe
3560	msedge.exe
3560	msedge.exe
3560	msedge.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3560	msedge.exe
3560	msedge.exe
3560	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 4036	1780	ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6.exe	90
PID 1780 wrote to memory of 4036	1780	ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6.exe	90
PID 1780 wrote to memory of 4036	1780	ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6.exe	90
PID 1780 wrote to memory of 4036	1780	ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6.exe	90
PID 1780 wrote to memory of 4036	1780	ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6.exe	90
PID 1780 wrote to memory of 4036	1780	ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6.exe	90
PID 1780 wrote to memory of 4036	1780	ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6.exe	90
PID 1780 wrote to memory of 4036	1780	ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6.exe	90
PID 1780 wrote to memory of 4036	1780	ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6.exe	90
PID 1780 wrote to memory of 4036	1780	ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6.exe	90
PID 4036 wrote to memory of 3560	4036	ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6.exe	93
PID 4036 wrote to memory of 3560	4036	ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6.exe	93
PID 4036 wrote to memory of 4696	4036	ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6.exe	94
PID 4036 wrote to memory of 4696	4036	ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6.exe	94
PID 4036 wrote to memory of 4696	4036	ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6.exe	94
PID 3560 wrote to memory of 4404	3560	msedge.exe	95
PID 3560 wrote to memory of 4404	3560	msedge.exe	95
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 3156	3560	msedge.exe	98
PID 3560 wrote to memory of 572	3560	msedge.exe	99
PID 3560 wrote to memory of 572	3560	msedge.exe	99
PID 3560 wrote to memory of 3292	3560	msedge.exe	101
PID 3560 wrote to memory of 3292	3560	msedge.exe	101
PID 3560 wrote to memory of 3292	3560	msedge.exe	101
PID 3560 wrote to memory of 3292	3560	msedge.exe	101
PID 3560 wrote to memory of 3292	3560	msedge.exe	101

C:\Users\Admin\AppData\Local\Temp\ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6.exe
"C:\Users\Admin\AppData\Local\Temp\ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1780
- C:\Users\Admin\AppData\Local\Temp\ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6.exe
  "C:\Users\Admin\AppData\Local\Temp\ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6.exe"
  2⤵
  - Modifies extensions of user files
  - Sets desktop wallpaper using registry
  - Modifies Control Panel
  - Suspicious use of WriteProcessMemory
  PID:4036
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\DesktopOSIRIS.htm
    3⤵
    - Adds Run key to start application
    - Enumerates system info in registry
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3560
  - - 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffc52c546f8,0x7ffc52c54708,0x7ffc52c54718
      4⤵
      PID:4404
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2084,12612324694350978029,12554585247830069445,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2112 /prefetch:2
      4⤵
      PID:3156
  - - 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=2084,12612324694350978029,12554585247830069445,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2248 /prefetch:3
      4⤵
      Suspicious behavior: EnumeratesProcesses
      PID:572
  - - 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=2084,12612324694350978029,12554585247830069445,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2740 /prefetch:8
      4⤵
      PID:3292
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,12612324694350978029,12554585247830069445,131072 --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=3668 /prefetch:1
      4⤵
      PID:1860
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,12612324694350978029,12554585247830069445,131072 --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=3680 /prefetch:1
      4⤵
      PID:2656
  - - 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=2084,12612324694350978029,12554585247830069445,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5236 /prefetch:8
      4⤵
      PID:1736
  - - 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=2084,12612324694350978029,12554585247830069445,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5276 /prefetch:8
      4⤵
      PID:64
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,12612324694350978029,12554585247830069445,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5572 /prefetch:1
      4⤵
      PID:3240
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,12612324694350978029,12554585247830069445,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5588 /prefetch:1
      4⤵
      PID:3036
  - - C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2084,12612324694350978029,12554585247830069445,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3868 /prefetch:8
      4⤵
      PID:116
  - - C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
      4⤵
      Drops file in Program Files directory
      PID:1408
    - - C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0xf4,0xe0,0xcc,0xdc,0x7ff6f0cd5460,0x7ff6f0cd5470,0x7ff6f0cd5480
        5⤵
        
        PID:4316
  - - C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2084,12612324694350978029,12554585247830069445,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3868 /prefetch:8
      4⤵
      Suspicious behavior: EnumeratesProcesses
      PID:4320
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\ae11a076703360859693b6c2a747c64e078f65a071cad3b2f9cf588779f22ca6.exe"
    3⤵
    PID:4696

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2992

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

T1491

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\DesktopOSIRIS.htm

Filesize
9KB

MD5
ed5c6ac091f701669c0995fc4750bcad

SHA1
54cf496172c696c52d9103d729bdf2b1001f5e7a

SHA256
66d395b90f727463c9801d26659d75669891e7fe67eaca73e1f37265f25afbe7

SHA512
f4bef0abc65060eb6884c03e08ef3d796e4a04cb8081aa06d4d81b00c871eb729c82deb7a5692bfc735dd24b54674da6b34ed34ffcc523b768b5a10115412835

Download Submit
memory/1780-136-0x0000000000140000-0x000000000016C000-memory.dmp

Filesize
176KB

Download
memory/1780-132-0x0000000000140000-0x000000000016C000-memory.dmp

Filesize
176KB

Download
memory/1780-133-0x0000000000140000-0x000000000016C000-memory.dmp

Filesize
176KB

Download
memory/4036-140-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/4036-146-0x0000000002AE0000-0x0000000002B07000-memory.dmp

Filesize
156KB

Download
memory/4036-143-0x0000000002AE0000-0x0000000002B07000-memory.dmp

Filesize
156KB

Download
memory/4036-142-0x0000000002AE0000-0x0000000002B07000-memory.dmp

Filesize
156KB

Download
memory/4036-141-0x0000000000140000-0x000000000016C000-memory.dmp

Filesize
176KB

Download
memory/4036-139-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/4036-138-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/4036-135-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download