locky | 066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-01-2025 02:06

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General

Target

066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe
Size

871KB
MD5

2d2c7ee748d941798466b19b53da88bb
SHA1

7c0cf86f123f2896795add3ecc7bafc30fdc87bc
SHA256

066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a
SHA512

9f5a9b6ce25222219f6ef07ac85e5fdf834215dcac81006629b21667aeb4ef9a809e336a66ead9fdcde0af8f51fa7d459b4875bf4023d6cee1eb189eba341912
SSDEEP

12288:CfT9qqQfsr85q5+OeO+OeNhBBhhBB2Lq/5/1G9ba6qCX0GuE3mczIedIHEXNuQ8k:CfT9q1fsr85hJCX0GuWIEXAihyh3LEk

Score

10^/10

locky credential_access defense_evasion discovery execution impact persistence ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\Decryptfiles.txt

Ransom Note

ATTENTION! Don't worry, you can return your files! All your files like photos, videos and other important documents are encrypted with a strong encryption algorithm and unique key. The only method of recovering files is to purchase a decrypt tool and your key. Do not try to recover your files without a decrypt tool, you may damage them making them impossible to recover we advise you contact us in less than 72 hours, otherwise there is a possibility that your files will never be returned. We will not wait for your letter for a long time, mail can be abused, we are moving on, hurry up with the decision. Check your email 'Spam' or 'Junk' folder if you don't get answer within 6 hours. Contact us email: [email protected] [email protected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

Emails

[email protected]

Signatures

Locky
Ransomware strain released in 2016, with advanced features like anti-analysis.
ransomware locky
Locky family
locky
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware defense_evasion impact execution

File Deletion
T1070.004

Inhibit System Recovery
T1490

Windows Management Instrumentation
T1047
Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
credential_access stealer

Windows Credential Manager
T1555.004

Deletes itself 1 IoCs

pid	Process
1744	cmd.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Decryptfiles.txt	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\Decryptfiles.txt	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\XPSUDTARW = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe\""	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe

Drops desktop.ini file(s) 10 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1744	cmd.exe
1508	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1508	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1832	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe
1832	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe
1832	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe
1832	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1940	wmic.exe
Token: SeSecurityPrivilege	1940	wmic.exe
Token: SeTakeOwnershipPrivilege	1940	wmic.exe
Token: SeLoadDriverPrivilege	1940	wmic.exe
Token: SeSystemProfilePrivilege	1940	wmic.exe
Token: SeSystemtimePrivilege	1940	wmic.exe
Token: SeProfSingleProcessPrivilege	1940	wmic.exe
Token: SeIncBasePriorityPrivilege	1940	wmic.exe
Token: SeCreatePagefilePrivilege	1940	wmic.exe
Token: SeBackupPrivilege	1940	wmic.exe
Token: SeRestorePrivilege	1940	wmic.exe
Token: SeShutdownPrivilege	1940	wmic.exe
Token: SeDebugPrivilege	1940	wmic.exe
Token: SeSystemEnvironmentPrivilege	1940	wmic.exe
Token: SeRemoteShutdownPrivilege	1940	wmic.exe
Token: SeUndockPrivilege	1940	wmic.exe
Token: SeManageVolumePrivilege	1940	wmic.exe
Token: 33	1940	wmic.exe
Token: 34	1940	wmic.exe
Token: 35	1940	wmic.exe
Token: SeIncreaseQuotaPrivilege	1940	wmic.exe
Token: SeSecurityPrivilege	1940	wmic.exe
Token: SeTakeOwnershipPrivilege	1940	wmic.exe
Token: SeLoadDriverPrivilege	1940	wmic.exe
Token: SeSystemProfilePrivilege	1940	wmic.exe
Token: SeSystemtimePrivilege	1940	wmic.exe
Token: SeProfSingleProcessPrivilege	1940	wmic.exe
Token: SeIncBasePriorityPrivilege	1940	wmic.exe
Token: SeCreatePagefilePrivilege	1940	wmic.exe
Token: SeBackupPrivilege	1940	wmic.exe
Token: SeRestorePrivilege	1940	wmic.exe
Token: SeShutdownPrivilege	1940	wmic.exe
Token: SeDebugPrivilege	1940	wmic.exe
Token: SeSystemEnvironmentPrivilege	1940	wmic.exe
Token: SeRemoteShutdownPrivilege	1940	wmic.exe
Token: SeUndockPrivilege	1940	wmic.exe
Token: SeManageVolumePrivilege	1940	wmic.exe
Token: 33	1940	wmic.exe
Token: 34	1940	wmic.exe
Token: 35	1940	wmic.exe
Token: SeBackupPrivilege	1212	vssvc.exe
Token: SeRestorePrivilege	1212	vssvc.exe
Token: SeAuditPrivilege	1212	vssvc.exe
Token: SeIncreaseQuotaPrivilege	2836	wmic.exe
Token: SeSecurityPrivilege	2836	wmic.exe
Token: SeTakeOwnershipPrivilege	2836	wmic.exe
Token: SeLoadDriverPrivilege	2836	wmic.exe
Token: SeSystemProfilePrivilege	2836	wmic.exe
Token: SeSystemtimePrivilege	2836	wmic.exe
Token: SeProfSingleProcessPrivilege	2836	wmic.exe
Token: SeIncBasePriorityPrivilege	2836	wmic.exe
Token: SeCreatePagefilePrivilege	2836	wmic.exe
Token: SeBackupPrivilege	2836	wmic.exe
Token: SeRestorePrivilege	2836	wmic.exe
Token: SeShutdownPrivilege	2836	wmic.exe
Token: SeDebugPrivilege	2836	wmic.exe
Token: SeSystemEnvironmentPrivilege	2836	wmic.exe
Token: SeRemoteShutdownPrivilege	2836	wmic.exe
Token: SeUndockPrivilege	2836	wmic.exe
Token: SeManageVolumePrivilege	2836	wmic.exe
Token: 33	2836	wmic.exe
Token: 34	2836	wmic.exe
Token: 35	2836	wmic.exe
Token: SeIncreaseQuotaPrivilege	2836	wmic.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 1940	1832	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe	30
PID 1832 wrote to memory of 1940	1832	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe	30
PID 1832 wrote to memory of 1940	1832	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe	30
PID 1832 wrote to memory of 1940	1832	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe	30
PID 1832 wrote to memory of 2836	1832	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe	37
PID 1832 wrote to memory of 2836	1832	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe	37
PID 1832 wrote to memory of 2836	1832	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe	37
PID 1832 wrote to memory of 2836	1832	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe	37
PID 1832 wrote to memory of 1744	1832	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe	39
PID 1832 wrote to memory of 1744	1832	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe	39
PID 1832 wrote to memory of 1744	1832	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe	39
PID 1832 wrote to memory of 1744	1832	066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe	39
PID 1744 wrote to memory of 1508	1744	cmd.exe	41
PID 1744 wrote to memory of 1508	1744	cmd.exe	41
PID 1744 wrote to memory of 1508	1744	cmd.exe	41
PID 1744 wrote to memory of 1508	1744	cmd.exe	41

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe
"C:\Users\Admin\AppData\Local\Temp\066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Drops desktop.ini file(s)
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1832
- \??\c:\Windows\system32\wbem\wmic.exe
  c:\YyiPCl\YyiP\..\..\Windows\YyiP\YyiP\..\..\system32\YyiP\YyiP\..\..\wbem\YyiP\YyiPC\..\..\wmic.exe shadowcopy delete
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1940
- \??\c:\Windows\system32\wbem\wmic.exe
  c:\OLdvtb\OLdv\..\..\Windows\OLdv\OLdv\..\..\system32\OLdv\OLdv\..\..\wbem\OLdv\OLdvt\..\..\wmic.exe shadowcopy delete
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2836
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\066dc9a1134b1db77c1574a52002f53b28cc29d0a3769bd5156d1e0e0a51a91a.exe"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1744
- - C:\Windows\SysWOW64\PING.EXE
    ping 1.1.1.1 -n 1 -w 3000
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1508

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1212

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

T1047

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Windows Credential Manager

T1555.004

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Remote System Discovery

T1018

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Decryptfiles.txt

Filesize
4KB

MD5
f4dd0248df24a763afe9909afdfe6b23

SHA1
0ba5db7e1bf3ccdf4b6b77da210ca44873acd69b

SHA256
175d782997e2e61352a8aeb68af0a1a88b5bae6e514aeb223ac27d2d0be0f6e2

SHA512
cebf967aee4c43d1021fd3815c94fb1e6821f73cb761724d42c0c446adba37d357ddfb7f15465bfda06a193ee89e712291881e69e11f11f8eaee967a1a1529a1

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