locky | 803a9fdb26c22ecd599f25f30e79c4914c75e45c2613718c4a25b16112222726

Analysis

max time kernel
154s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
20/05/2022, 21:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

803a9fdb26c22ecd599f25f30e79c4914c75e45c2613718c4a25b16112222726.exe
Size

206KB
MD5

542751e8e64d10ff82ff68c514486246
SHA1

e376fa75c0597a0b877fcd547355fd0e2ecffb19
SHA256

803a9fdb26c22ecd599f25f30e79c4914c75e45c2613718c4a25b16112222726
SHA512

2b9a16d54459c8c673791ba9d8f83fd1ea23a70deda0179dcccc5da688cdc5a69a25d9f8fede72b7f16f945970e0e739a69fbf1a7f09211fb1701200d226f063

Score

10^/10

locky locky_osiris persistence ransomware

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 1 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File opened for modification	\??\c:\Users\Admin\Pictures\EditStart.tiff	803a9fdb26c22ecd599f25f30e79c4914c75e45c2613718c4a25b16112222726.exe

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-1-5-21-3751123196-3323558407-1869646069-1000\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-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\DesktopOSIRIS.bmp"	803a9fdb26c22ecd599f25f30e79c4914c75e45c2613718c4a25b16112222726.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\a29847bb-03a4-4358-bf08-3a31b30ada28.tmp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\20220520233456.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-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\Desktop\WallpaperStyle = "0"	803a9fdb26c22ecd599f25f30e79c4914c75e45c2613718c4a25b16112222726.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\Desktop\TileWallpaper = "0"	803a9fdb26c22ecd599f25f30e79c4914c75e45c2613718c4a25b16112222726.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
3868	msedge.exe
3868	msedge.exe
632	msedge.exe
632	msedge.exe
2932	identity_helper.exe
2932	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs

pid	Process
632	msedge.exe
632	msedge.exe
632	msedge.exe
632	msedge.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
632	msedge.exe
632	msedge.exe
632	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 632	3040	803a9fdb26c22ecd599f25f30e79c4914c75e45c2613718c4a25b16112222726.exe	89
PID 3040 wrote to memory of 632	3040	803a9fdb26c22ecd599f25f30e79c4914c75e45c2613718c4a25b16112222726.exe	89
PID 3040 wrote to memory of 816	3040	803a9fdb26c22ecd599f25f30e79c4914c75e45c2613718c4a25b16112222726.exe	90
PID 3040 wrote to memory of 816	3040	803a9fdb26c22ecd599f25f30e79c4914c75e45c2613718c4a25b16112222726.exe	90
PID 3040 wrote to memory of 816	3040	803a9fdb26c22ecd599f25f30e79c4914c75e45c2613718c4a25b16112222726.exe	90
PID 632 wrote to memory of 5112	632	msedge.exe	92
PID 632 wrote to memory of 5112	632	msedge.exe	92
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3560	632	msedge.exe	95
PID 632 wrote to memory of 3868	632	msedge.exe	96
PID 632 wrote to memory of 3868	632	msedge.exe	96
PID 632 wrote to memory of 4532	632	msedge.exe	97
PID 632 wrote to memory of 4532	632	msedge.exe	97
PID 632 wrote to memory of 4532	632	msedge.exe	97
PID 632 wrote to memory of 4532	632	msedge.exe	97
PID 632 wrote to memory of 4532	632	msedge.exe	97
PID 632 wrote to memory of 4532	632	msedge.exe	97
PID 632 wrote to memory of 4532	632	msedge.exe	97
PID 632 wrote to memory of 4532	632	msedge.exe	97
PID 632 wrote to memory of 4532	632	msedge.exe	97
PID 632 wrote to memory of 4532	632	msedge.exe	97
PID 632 wrote to memory of 4532	632	msedge.exe	97
PID 632 wrote to memory of 4532	632	msedge.exe	97
PID 632 wrote to memory of 4532	632	msedge.exe	97
PID 632 wrote to memory of 4532	632	msedge.exe	97
PID 632 wrote to memory of 4532	632	msedge.exe	97

C:\Users\Admin\AppData\Local\Temp\803a9fdb26c22ecd599f25f30e79c4914c75e45c2613718c4a25b16112222726.exe
"C:\Users\Admin\AppData\Local\Temp\803a9fdb26c22ecd599f25f30e79c4914c75e45c2613718c4a25b16112222726.exe"
1⤵
- Modifies extensions of user files
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Suspicious use of WriteProcessMemory
PID:3040
- 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
  2⤵
  - 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:632
- - 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,0x100,0xd4,0x104,0x7ff8a1b446f8,0x7ff8a1b44708,0x7ff8a1b44718
    3⤵
    PID:5112
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2112,2169445596990469038,15483826204282862591,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2104 /prefetch:2
    3⤵
    PID:3560
- - 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=2112,2169445596990469038,15483826204282862591,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2248 /prefetch:3
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:3868
- - 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=2112,2169445596990469038,15483826204282862591,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2664 /prefetch:8
    3⤵
    PID:4532
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,2169445596990469038,15483826204282862591,131072 --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=3824 /prefetch:1
    3⤵
    PID:384
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,2169445596990469038,15483826204282862591,131072 --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=3836 /prefetch:1
    3⤵
    PID:5016
- - 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=2112,2169445596990469038,15483826204282862591,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4592 /prefetch:8
    3⤵
    PID:892
- - 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=2112,2169445596990469038,15483826204282862591,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5448 /prefetch:8
    3⤵
    PID:3576
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,2169445596990469038,15483826204282862591,131072 --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=5844 /prefetch:1
    3⤵
    PID:3112
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,2169445596990469038,15483826204282862591,131072 --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=5864 /prefetch:1
    3⤵
    PID:2736
- - 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=2112,2169445596990469038,15483826204282862591,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6232 /prefetch:8
    3⤵
    PID:4260
- - 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
    3⤵
    - Drops file in Program Files directory
    PID:4664
  - - 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=0x220,0x224,0x228,0x1fc,0x22c,0x7ff6b4ff5460,0x7ff6b4ff5470,0x7ff6b4ff5480
      4⤵
      PID:4928
- - 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=2112,2169445596990469038,15483826204282862591,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6232 /prefetch:8
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:2932
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\803a9fdb26c22ecd599f25f30e79c4914c75e45c2613718c4a25b16112222726.exe"
  2⤵
  PID:816

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2640

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
1⤵
PID:3720

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
8KB

MD5
3dc6149c03a04686702cf207aebd03c2

SHA1
3e4ed74edbdaaff559e0d4e5bab26077bd11558c

SHA256
cc7eaea74699b21af46a400905b19bc23807e3f0e9e86e176bb41b0eeb513cf4

SHA512
fe0ee172807c7a4a1c081c92a1c59035c1566c0e2a8a6b0d9dde6d7128b587835e69468ad09d3a52aab7f67eef77239d96741d2cb444c3e810629ef6461f824a

Download Submit
memory/3040-131-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/3040-132-0x0000000000A40000-0x0000000000A67000-memory.dmp

Filesize
156KB

Download
memory/3040-130-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download