locky | f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f

Analysis

max time kernel
156s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-en-20220112
submitted
05-03-2022 16:12

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General

Target

f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f.exe
Size

329KB
MD5

b99c2748e46c0f8ed8da08fd933e0d9f
SHA1

b86e4150446e189259db650270edcc02296b4ca5
SHA256

f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f
SHA512

da239c429c2bc7e24f1a4ad1420d501a29e7abde4b89e474f290b4678d10a571c84b2cddb6994104ec2dc80d260122f3f8289e9113b2d0b54c483f249207167f

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

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-1-5-21-790714498-1549421491-1643397139-1000\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-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\DesktopOSIRIS.bmp"	f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\0397ae09-d4c1-4705-863e-df72f54025aa.tmp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\20220305171449.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-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\Desktop\WallpaperStyle = "0"	f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\Desktop\TileWallpaper = "0"	f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f.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
3016	msedge.exe
3016	msedge.exe
2184	msedge.exe
2184	msedge.exe
364	identity_helper.exe
364	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs

pid	Process
2184	msedge.exe
2184	msedge.exe
2184	msedge.exe
2184	msedge.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2184	msedge.exe
2184	msedge.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2220	f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 2184	2220	f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f.exe	66
PID 2220 wrote to memory of 2184	2220	f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f.exe	66
PID 2220 wrote to memory of 2704	2220	f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f.exe	67
PID 2220 wrote to memory of 2704	2220	f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f.exe	67
PID 2220 wrote to memory of 2704	2220	f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f.exe	67
PID 2184 wrote to memory of 3476	2184	msedge.exe	69
PID 2184 wrote to memory of 3476	2184	msedge.exe	69
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3708	2184	msedge.exe	70
PID 2184 wrote to memory of 3016	2184	msedge.exe	71
PID 2184 wrote to memory of 3016	2184	msedge.exe	71
PID 2184 wrote to memory of 380	2184	msedge.exe	72
PID 2184 wrote to memory of 380	2184	msedge.exe	72
PID 2184 wrote to memory of 380	2184	msedge.exe	72
PID 2184 wrote to memory of 380	2184	msedge.exe	72
PID 2184 wrote to memory of 380	2184	msedge.exe	72
PID 2184 wrote to memory of 380	2184	msedge.exe	72
PID 2184 wrote to memory of 380	2184	msedge.exe	72
PID 2184 wrote to memory of 380	2184	msedge.exe	72
PID 2184 wrote to memory of 380	2184	msedge.exe	72
PID 2184 wrote to memory of 380	2184	msedge.exe	72
PID 2184 wrote to memory of 380	2184	msedge.exe	72
PID 2184 wrote to memory of 380	2184	msedge.exe	72
PID 2184 wrote to memory of 380	2184	msedge.exe	72
PID 2184 wrote to memory of 380	2184	msedge.exe	72
PID 2184 wrote to memory of 380	2184	msedge.exe	72

C:\Users\Admin\AppData\Local\Temp\f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f.exe
"C:\Users\Admin\AppData\Local\Temp\f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f.exe"
1⤵
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2220
- 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:2184
- - 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,0x100,0xd4,0x104,0x7ffa6efd46f8,0x7ffa6efd4708,0x7ffa6efd4718
    3⤵
    PID:3476
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2108,3218513965529787289,8491902180219407505,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2176 /prefetch:2
    3⤵
    PID:3708
- - 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=2108,3218513965529787289,8491902180219407505,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2268 /prefetch:3
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:3016
- - 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=2108,3218513965529787289,8491902180219407505,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2864 /prefetch:8
    3⤵
    PID:380
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,3218513965529787289,8491902180219407505,131072 --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=3916 /prefetch:1
    3⤵
    PID:1520
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,3218513965529787289,8491902180219407505,131072 --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=3928 /prefetch:1
    3⤵
    PID:3984
- - 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=2108,3218513965529787289,8491902180219407505,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5412 /prefetch:8
    3⤵
    PID:3744
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,3218513965529787289,8491902180219407505,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5988 /prefetch:1
    3⤵
    PID:1724
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,3218513965529787289,8491902180219407505,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6024 /prefetch:1
    3⤵
    PID:3808
- - 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=2108,3218513965529787289,8491902180219407505,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6312 /prefetch:8
    3⤵
    PID:1580
- - 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:2936
  - - 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,0x7ff674875460,0x7ff674875470,0x7ff674875480
      4⤵
      PID:1536
- - 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=2108,3218513965529787289,8491902180219407505,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6312 /prefetch:8
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:364
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f.exe"
  2⤵
  PID:2704

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2744

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

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Downloads

memory/380-146-0x00007FFA8B180000-0x00007FFA8B181000-memory.dmp

Filesize
4KB

Download
memory/2220-130-0x0000000002F80000-0x0000000002FA7000-memory.dmp

Filesize
156KB

Download
memory/2220-131-0x0000000002F50000-0x0000000002F51000-memory.dmp

Filesize
4KB

Download
memory/2220-132-0x0000000002F50000-0x0000000002F51000-memory.dmp

Filesize
4KB

Download
memory/2220-133-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2220-135-0x0000000002F50000-0x0000000002F51000-memory.dmp

Filesize
4KB

Download
memory/2220-136-0x0000000077790000-0x0000000077933000-memory.dmp

Filesize
1.6MB

Download
memory/2220-137-0x0000000003F70000-0x0000000003F97000-memory.dmp

Filesize
156KB

Download