locky | f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
24-06-2022 13:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f.exe
Size

329KB
MD5

b99c2748e46c0f8ed8da08fd933e0d9f
SHA1

b86e4150446e189259db650270edcc02296b4ca5
SHA256

f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f
SHA512

da239c429c2bc7e24f1a4ad1420d501a29e7abde4b89e474f290b4678d10a571c84b2cddb6994104ec2dc80d260122f3f8289e9113b2d0b54c483f249207167f

Score

10^/10

locky locky_osiris persistence ransomware suricata

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
suricata: ET MALWARE Locky CnC Checkin Dec 5 M1
suricata: ET MALWARE Locky CnC Checkin Dec 5 M1
suricata
suricata: ET MALWARE Locky CnC Checkin HTTP Pattern
suricata: ET MALWARE Locky CnC Checkin HTTP Pattern
suricata

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\LimitConfirm.tiff	f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f.exe
File opened for modification	\??\c:\Users\Admin\Pictures\SkipMount.tiff	f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f.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-1-5-21-2632097139-1792035885-811742494-1000\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-1-5-21-2632097139-1792035885-811742494-1000\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\2eb9b1fb-ec20-48f3-9b14-0b74b2cb3c00.tmp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\20220624154851.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe

Modifies Control Panel 2 IoCs

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\Desktop\WallpaperStyle = "0"	f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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
464	msedge.exe
464	msedge.exe
3148	msedge.exe
3148	msedge.exe
4576	identity_helper.exe
4576	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs

pid	Process
3148	msedge.exe
3148	msedge.exe
3148	msedge.exe
3148	msedge.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3148	msedge.exe
3148	msedge.exe
3148	msedge.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4028	f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4028 wrote to memory of 3148	4028	f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f.exe	87
PID 4028 wrote to memory of 3148	4028	f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f.exe	87
PID 3148 wrote to memory of 3276	3148	msedge.exe	88
PID 3148 wrote to memory of 3276	3148	msedge.exe	88
PID 4028 wrote to memory of 3132	4028	f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f.exe	89
PID 4028 wrote to memory of 3132	4028	f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f.exe	89
PID 4028 wrote to memory of 3132	4028	f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f.exe	89
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 4300	3148	msedge.exe	93
PID 3148 wrote to memory of 464	3148	msedge.exe	94
PID 3148 wrote to memory of 464	3148	msedge.exe	94
PID 3148 wrote to memory of 4844	3148	msedge.exe	95
PID 3148 wrote to memory of 4844	3148	msedge.exe	95
PID 3148 wrote to memory of 4844	3148	msedge.exe	95
PID 3148 wrote to memory of 4844	3148	msedge.exe	95
PID 3148 wrote to memory of 4844	3148	msedge.exe	95
PID 3148 wrote to memory of 4844	3148	msedge.exe	95
PID 3148 wrote to memory of 4844	3148	msedge.exe	95
PID 3148 wrote to memory of 4844	3148	msedge.exe	95
PID 3148 wrote to memory of 4844	3148	msedge.exe	95
PID 3148 wrote to memory of 4844	3148	msedge.exe	95
PID 3148 wrote to memory of 4844	3148	msedge.exe	95
PID 3148 wrote to memory of 4844	3148	msedge.exe	95
PID 3148 wrote to memory of 4844	3148	msedge.exe	95
PID 3148 wrote to memory of 4844	3148	msedge.exe	95
PID 3148 wrote to memory of 4844	3148	msedge.exe	95

C:\Users\Admin\AppData\Local\Temp\f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f.exe
"C:\Users\Admin\AppData\Local\Temp\f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f.exe"
1⤵
- Modifies extensions of user files
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4028
- 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:3148
- - 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,0x100,0xd4,0x104,0x7ffae09c46f8,0x7ffae09c4708,0x7ffae09c4718
    3⤵
    PID:3276
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2112,3903370831883993696,8661000758816537285,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2160 /prefetch:2
    3⤵
    PID:4300
- - 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=2112,3903370831883993696,8661000758816537285,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2236 /prefetch:3
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:464
- - 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=2112,3903370831883993696,8661000758816537285,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2772 /prefetch:8
    3⤵
    PID:4844
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,3903370831883993696,8661000758816537285,131072 --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=3868 /prefetch:1
    3⤵
    PID:3496
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,3903370831883993696,8661000758816537285,131072 --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=3876 /prefetch:1
    3⤵
    PID:4820
- - 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=2112,3903370831883993696,8661000758816537285,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5336 /prefetch:8
    3⤵
    PID:752
- - 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=2112,3903370831883993696,8661000758816537285,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5460 /prefetch:8
    3⤵
    PID:3144
- - 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=2112,3903370831883993696,8661000758816537285,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5248 /prefetch:8
    3⤵
    PID:648
- - 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:3520
  - - 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=0x258,0x25c,0x260,0x234,0x264,0x7ff739035460,0x7ff739035470,0x7ff739035480
      4⤵
      PID:1468
- - 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=2112,3903370831883993696,8661000758816537285,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5248 /prefetch:8
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:4576
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,3903370831883993696,8661000758816537285,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5768 /prefetch:1
    3⤵
    PID:3600
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,3903370831883993696,8661000758816537285,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5844 /prefetch:1
    3⤵
    PID:4292
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2112,3903370831883993696,8661000758816537285,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3336 /prefetch:8
    3⤵
    PID:2728
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2112,3903370831883993696,8661000758816537285,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5764 /prefetch:8
    3⤵
    PID:3520
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\f6045c3d60fb2e0ddbb264cd61adc37736508471aa5b3881f2510ec36ea6c00f.exe"
  2⤵
  PID:3132

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3776

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
b82dcc60e1fa8d3a2758e05dd637d124

SHA1
cf7732aa26feec52379589f58fd670e31e060f4c

SHA256
5a10152505737be8401ea6ec8858e552739f415e6a6fe81d95d0e645b0e1e591

SHA512
b650db8d724e290b57a7bb773ba04b26048c9c4772fb269333ff8328db383322bd88e4f92b7b15bcbfbd3442b6f302faeec9261bba1b8c86978ac975d534b948

Download Submit
memory/4028-139-0x0000000003F60000-0x0000000003F87000-memory.dmp

Filesize
156KB

Download
memory/4028-135-0x0000000003F60000-0x0000000003F87000-memory.dmp

Filesize
156KB

Download
memory/4028-134-0x0000000002F70000-0x0000000002F97000-memory.dmp

Filesize
156KB

Download
memory/4028-130-0x0000000002F70000-0x0000000002F97000-memory.dmp

Filesize
156KB

Download
memory/4028-133-0x0000000003F60000-0x0000000003F87000-memory.dmp

Filesize
156KB

Download
memory/4028-131-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download