wastedlocker | 770201070ed3e19271b310c8bbd44617ff24e51fdb771c30f9adba3f0d7b36b3

Analysis

max time kernel
149s
max time network
104s
platform
windows11-21h2_x64
resource
win11-20251015-en
resource tags

arch:x64arch:x86image:win11-20251015-enlocale:en-usos:windows11-21h2-x64system
submitted
17/11/2025, 05:07

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General

Target
2025-11-17_2b657ce27d9f5c9ffb5990c9705f8ade_elex_wastedlocker.exe
Size 58KB
Sample251117-fr3aaadm71
SHA256 770201070ed3e19271b310c8bbd44617ff24e51fdb771c30f9adba3f0d7b36b3
MD5 2b657ce27d9f5c9ffb5990c9705f8ade
SHA1 b56f2df1472720cd451ad5dc3d97c4a455a3818d
SHA512 9b25ce8891cc498d3644d40d77c01a5bfac913150eb4656e883bf0af31d5c3294ee91c3bd7d9f72e26b28cd7db0e40098e496a7f28f7329c150fd9a9a88f6d8a
SSDEEP 1536:HO88wNYmqdeBk7G7IhhqZKWVKz8NqUxVl2HihgOrT8avvvvvvvvvvvvvvvvvvvv:HOmhqdeBk+nc9OrTZvvvvvvvvvvvvvvX
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

defense_evasion discovery execution exploit wastedlocker impact ransomware

Malware Config

Signatures

WastedLocker
Ransomware family seen in the wild since May 2020.
ransomware wastedlocker
Wastedlocker family
wastedlocker
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
Renames multiple (154) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Possible privilege escalation attempt 2 IoCs

exploit

pid	Process
1744	takeown.exe
5528	icacls.exe

Executes dropped EXE 2 IoCs

pid	Process
5480	Interfaces:bin
2736	Interfaces.exe

Modifies file permissions 1 TTPs 2 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1744	takeown.exe
5528	icacls.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Interfaces.exe	attrib.exe
File opened for modification	C:\Windows\SysWOW64\Interfaces.exe	Interfaces:bin

System Location Discovery: System Language Discovery 1 TTPs 14 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	2025-11-17_2b657ce27d9f5c9ffb5990c9705f8ade_elex_wastedlocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	takeown.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Interfaces.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	choice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Interfaces:bin
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	choice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	choice.exe

Interacts with shadow copies 3 TTPs 1 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

Direct Volume Access

T1006

pid	Process
5568	vssadmin.exe

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Interfaces:bin	2025-11-17_2b657ce27d9f5c9ffb5990c9705f8ade_elex_wastedlocker.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	6096	vssvc.exe
Token: SeRestorePrivilege	6096	vssvc.exe
Token: SeAuditPrivilege	6096	vssvc.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 5480	2512	2025-11-17_2b657ce27d9f5c9ffb5990c9705f8ade_elex_wastedlocker.exe	78
PID 2512 wrote to memory of 5480	2512	2025-11-17_2b657ce27d9f5c9ffb5990c9705f8ade_elex_wastedlocker.exe	78
PID 2512 wrote to memory of 5480	2512	2025-11-17_2b657ce27d9f5c9ffb5990c9705f8ade_elex_wastedlocker.exe	78
PID 5480 wrote to memory of 5568	5480	Interfaces:bin	79
PID 5480 wrote to memory of 5568	5480	Interfaces:bin	79
PID 5480 wrote to memory of 1744	5480	Interfaces:bin	83
PID 5480 wrote to memory of 1744	5480	Interfaces:bin	83
PID 5480 wrote to memory of 1744	5480	Interfaces:bin	83
PID 5480 wrote to memory of 5528	5480	Interfaces:bin	85
PID 5480 wrote to memory of 5528	5480	Interfaces:bin	85
PID 5480 wrote to memory of 5528	5480	Interfaces:bin	85
PID 2736 wrote to memory of 4148	2736	Interfaces.exe	88
PID 2736 wrote to memory of 4148	2736	Interfaces.exe	88
PID 2736 wrote to memory of 4148	2736	Interfaces.exe	88
PID 4148 wrote to memory of 2880	4148	cmd.exe	90
PID 4148 wrote to memory of 2880	4148	cmd.exe	90
PID 4148 wrote to memory of 2880	4148	cmd.exe	90
PID 5480 wrote to memory of 6076	5480	Interfaces:bin	91
PID 5480 wrote to memory of 6076	5480	Interfaces:bin	91
PID 5480 wrote to memory of 6076	5480	Interfaces:bin	91
PID 2512 wrote to memory of 3860	2512	2025-11-17_2b657ce27d9f5c9ffb5990c9705f8ade_elex_wastedlocker.exe	92
PID 2512 wrote to memory of 3860	2512	2025-11-17_2b657ce27d9f5c9ffb5990c9705f8ade_elex_wastedlocker.exe	92
PID 2512 wrote to memory of 3860	2512	2025-11-17_2b657ce27d9f5c9ffb5990c9705f8ade_elex_wastedlocker.exe	92
PID 3860 wrote to memory of 1456	3860	cmd.exe	95
PID 3860 wrote to memory of 1456	3860	cmd.exe	95
PID 3860 wrote to memory of 1456	3860	cmd.exe	95
PID 6076 wrote to memory of 5484	6076	cmd.exe	96
PID 6076 wrote to memory of 5484	6076	cmd.exe	96
PID 6076 wrote to memory of 5484	6076	cmd.exe	96
PID 4148 wrote to memory of 4480	4148	cmd.exe	98
PID 4148 wrote to memory of 4480	4148	cmd.exe	98
PID 4148 wrote to memory of 4480	4148	cmd.exe	98
PID 6076 wrote to memory of 2392	6076	cmd.exe	99
PID 6076 wrote to memory of 2392	6076	cmd.exe	99
PID 6076 wrote to memory of 2392	6076	cmd.exe	99
PID 3860 wrote to memory of 2448	3860	cmd.exe	100
PID 3860 wrote to memory of 2448	3860	cmd.exe	100
PID 3860 wrote to memory of 2448	3860	cmd.exe	100

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

Views/modifies file attributes 1 TTPs 3 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
4480	attrib.exe
2448	attrib.exe
2392	attrib.exe

C:\Users\Admin\AppData\Local\Temp\2025-11-17_2b657ce27d9f5c9ffb5990c9705f8ade_elex_wastedlocker.exe
"C:\Users\Admin\AppData\Local\Temp\2025-11-17_2b657ce27d9f5c9ffb5990c9705f8ade_elex_wastedlocker.exe"
1⤵
- System Location Discovery: System Language Discovery
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Users\Admin\AppData\Roaming\Interfaces:bin
  C:\Users\Admin\AppData\Roaming\Interfaces:bin -r
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5480
- - C:\Windows\system32\vssadmin.exe
    C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
    3⤵
    - Interacts with shadow copies
    PID:5568
- - C:\Windows\SysWOW64\takeown.exe
    C:\Windows\system32\takeown.exe /F C:\Windows\system32\Interfaces.exe
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:1744
- - C:\Windows\SysWOW64\icacls.exe
    C:\Windows\system32\icacls.exe C:\Windows\system32\Interfaces.exe /reset
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:5528
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Roaming\Interfaces" & del "C:\Users\Admin\AppData\Roaming\Interfaces"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:6076
  - - C:\Windows\SysWOW64\choice.exe
      choice /t 10 /d y
      4⤵
      System Location Discovery: System Language Discovery
      PID:5484
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -h "C:\Users\Admin\AppData\Roaming\Interfaces"
      4⤵
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:2392
- C:\Windows\SysWOW64\cmd.exe
  cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Local\Temp\2025-11-17_2b657ce27d9f5c9ffb5990c9705f8ade_elex_wastedlocker.exe" & del "C:\Users\Admin\AppData\Local\Temp\2025-11-17_2b657ce27d9f5c9ffb5990c9705f8ade_elex_wastedlocker.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3860
- - C:\Windows\SysWOW64\choice.exe
    choice /t 10 /d y
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1456
- - C:\Windows\SysWOW64\attrib.exe
    attrib -h "C:\Users\Admin\AppData\Local\Temp\2025-11-17_2b657ce27d9f5c9ffb5990c9705f8ade_elex_wastedlocker.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2448

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:6096

C:\Windows\SysWOW64\Interfaces.exe
C:\Windows\SysWOW64\Interfaces.exe -s
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Windows\SysWOW64\cmd.exe
  cmd /c choice /t 10 /d y & attrib -h "C:\Windows\SysWOW64\Interfaces.exe" & del "C:\Windows\SysWOW64\Interfaces.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4148
- - C:\Windows\SysWOW64\choice.exe
    choice /t 10 /d y
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2880
- - C:\Windows\SysWOW64\attrib.exe
    attrib -h "C:\Windows\SysWOW64\Interfaces.exe"
    3⤵
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:4480

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

T1047

Persistence

Privilege Escalation

Defense Evasion

Direct Volume Access

T1006

File and Directory Permissions Modification

T1222

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

Interfaces:bin

Path C:\Users\Admin\AppData\Roaming\Interfaces:bin
Size 58KB
SHA256 770201070ed3e19271b310c8bbd44617ff24e51fdb771c30f9adba3f0d7b36b3
MD5 2b657ce27d9f5c9ffb5990c9705f8ade
SHA1 b56f2df1472720cd451ad5dc3d97c4a455a3818d
SHA512 9b25ce8891cc498d3644d40d77c01a5bfac913150eb4656e883bf0af31d5c3294ee91c3bd7d9f72e26b28cd7db0e40098e496a7f28f7329c150fd9a9a88f6d8a
SSDEEP 1536:HO88wNYmqdeBk7G7IhhqZKWVKz8NqUxVl2HihgOrT8avvvvvvvvvvvvvvvvvvvv:HOmhqdeBk+nc9OrTZvvvvvvvvvvvvvvX
MD5 SHA1 SHA512 SSDEEP

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