locky | 3c968374fb5f51d095b4736b7a4db42b9573171c524a1a1e37a1efdfc14125df

General

Target

3c968374fb5f51d095b4736b7a4db42b9573171c524a1a1e37a1efdfc14125df.exe
Size

590KB
MD5

75e9203373579458f51c3082a9c142ae
SHA1

9272c5e3d29311eacf6cb1f10c9dfa7c63ad7ada
SHA256

3c968374fb5f51d095b4736b7a4db42b9573171c524a1a1e37a1efdfc14125df
SHA512

d13eeb86ee1dcc8816a3fa78c4daa44f80ed15558ec0735405bd1bfa5015515d0a617d4d5c4ce82ef5168acd796ac85ec95273b16e412852eb4ea7cfb506eac1

Score

10^/10

locky ransomware

Malware Config

Signatures

Locky
Ransomware strain released in 2016, with advanced features like anti-analysis.
ransomware locky
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Modifies extensions of user files 1 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

3c968374fb5f51d095b4736b7a4db42b9573171c524a1a1e37a1efdfc14125df.exe

description	ioc	process
File opened for modification	\??\c:\Users\Admin\Pictures\StepOpen.tiff	3c968374fb5f51d095b4736b7a4db42b9573171c524a1a1e37a1efdfc14125df.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

3c968374fb5f51d095b4736b7a4db42b9573171c524a1a1e37a1efdfc14125df.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\ykcol.bmp"	3c968374fb5f51d095b4736b7a4db42b9573171c524a1a1e37a1efdfc14125df.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

Processes:

msedge.exe

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

Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Processes:

vssadmin.exe

pid process

228 vssadmin.exe

pid	process
228	vssadmin.exe

Modifies Control Panel 2 IoCs

evasion

Processes:

3c968374fb5f51d095b4736b7a4db42b9573171c524a1a1e37a1efdfc14125df.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\Desktop\WallpaperStyle = "0"	3c968374fb5f51d095b4736b7a4db42b9573171c524a1a1e37a1efdfc14125df.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\Desktop\TileWallpaper = "0"	3c968374fb5f51d095b4736b7a4db42b9573171c524a1a1e37a1efdfc14125df.exe

Modifies registry class 1 IoCs

Processes:

msedge.exe

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ msedge.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

msedge.exemsedge.exe

pid process

2220 msedge.exe
2220 msedge.exe
4812 msedge.exe
4812 msedge.exe
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

Processes:

msedge.exe

pid process

4812 msedge.exe
4812 msedge.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 5076 vssvc.exe
Token: SeRestorePrivilege 5076 vssvc.exe
Token: SeAuditPrivilege 5076 vssvc.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

msedge.exe

pid process

4812 msedge.exe
4812 msedge.exe

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

pid	process
2220	msedge.exe
2220	msedge.exe
4812	msedge.exe
4812	msedge.exe

pid	process
4812	msedge.exe
4812	msedge.exe

description	pid	process
Token: SeBackupPrivilege	5076	vssvc.exe
Token: SeRestorePrivilege	5076	vssvc.exe
Token: SeAuditPrivilege	5076	vssvc.exe

pid	process
4812	msedge.exe
4812	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

3c968374fb5f51d095b4736b7a4db42b9573171c524a1a1e37a1efdfc14125df.exemsedge.exe

description	pid	process	target process
PID 4800 wrote to memory of 4812	4800	3c968374fb5f51d095b4736b7a4db42b9573171c524a1a1e37a1efdfc14125df.exe	msedge.exe
PID 4800 wrote to memory of 4812	4800	3c968374fb5f51d095b4736b7a4db42b9573171c524a1a1e37a1efdfc14125df.exe	msedge.exe
PID 4800 wrote to memory of 60	4800	3c968374fb5f51d095b4736b7a4db42b9573171c524a1a1e37a1efdfc14125df.exe	cmd.exe
PID 4800 wrote to memory of 60	4800	3c968374fb5f51d095b4736b7a4db42b9573171c524a1a1e37a1efdfc14125df.exe	cmd.exe
PID 4800 wrote to memory of 60	4800	3c968374fb5f51d095b4736b7a4db42b9573171c524a1a1e37a1efdfc14125df.exe	cmd.exe
PID 4812 wrote to memory of 4456	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 4456	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 5012	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 2220	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 2220	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 2772	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 2772	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 2772	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 2772	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 2772	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 2772	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 2772	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 2772	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 2772	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 2772	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 2772	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 2772	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 2772	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 2772	4812	msedge.exe	msedge.exe
PID 4812 wrote to memory of 2772	4812	msedge.exe	msedge.exe

C:\Users\Admin\AppData\Local\Temp\3c968374fb5f51d095b4736b7a4db42b9573171c524a1a1e37a1efdfc14125df.exe
"C:\Users\Admin\AppData\Local\Temp\3c968374fb5f51d095b4736b7a4db42b9573171c524a1a1e37a1efdfc14125df.exe"
1⤵
- Modifies extensions of user files
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Suspicious use of WriteProcessMemory
PID:4800

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\Desktop\ykcol.htm
2⤵
- Enumerates system info in registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4812

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,0x100,0xd4,0x104,0x7ff9331146f8,0x7ff933114708,0x7ff933114718
3⤵
PID:4456

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2432,7412052270030758836,5940592292191134103,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2668 /prefetch:2
3⤵
PID:5012

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=2432,7412052270030758836,5940592292191134103,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2748 /prefetch:3
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:2220

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=2432,7412052270030758836,5940592292191134103,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3096 /prefetch:8
3⤵
PID:2772

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2432,7412052270030758836,5940592292191134103,131072 --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=3736 /prefetch:1
3⤵
PID:1336

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2432,7412052270030758836,5940592292191134103,131072 --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=3752 /prefetch:1
3⤵
PID:1836

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=2432,7412052270030758836,5940592292191134103,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5176 /prefetch:8
3⤵
PID:4304

C:\Windows\SysWOW64\cmd.exe
cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\3c968374fb5f51d095b4736b7a4db42b9573171c524a1a1e37a1efdfc14125df.exe"
2⤵
PID:60

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:5076

C:\Windows\system32\vssadmin.exe
C:\Windows\system32\vssadmin.exe Delete Shadows /Quiet /All
1⤵
- Interacts with shadow copies
PID:228

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3428

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

2

T1107

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2

T1490

Defacement

1

T1491

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Downloads

C:\Users\Admin\Desktop\ykcol.htm
Filesize
9KB

MD5
03e6dbc96b69b60720701dcd701faf71

SHA1
95df77a3af0f356f5299240e7faf2a94aa374d3f

SHA256
7b25a716efd52f2010faec118f4ae40c8586f0b8dfb58022f71c4973c58fd64d

SHA512
b64fff166d26aeae8b41760d0929ec7a5558f579b6cee3f422abd3eff82f103be150bcb25f4330722b9247985dc863b0fff823ef61d01d168fa7d1ba659275e3

Download Submit
\??\pipe\LOCAL\crashpad_4812_ITUXQOBMUPRTEFNP
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/60-133-0x0000000000000000-mapping.dmp

Download
memory/1336-142-0x0000000000000000-mapping.dmp

Download
memory/1836-144-0x0000000000000000-mapping.dmp

Download
memory/2220-137-0x0000000000000000-mapping.dmp

Download
memory/2772-140-0x0000000000000000-mapping.dmp

Download
memory/4304-147-0x0000000000000000-mapping.dmp

Download
memory/4456-134-0x0000000000000000-mapping.dmp

Download
memory/4800-131-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/4800-130-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/4812-132-0x0000000000000000-mapping.dmp

Download
memory/5012-136-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads