wastedlocker | 0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821

Analysis

max time kernel
125s
max time network
130s
platform
windows10_x64
resource
win10
submitted
10/08/2020, 12:16

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.exe
Size

112KB
MD5

d01fc079881dc0d33a88e4f8df1ae7ce
SHA1

c40c8848808da12ef78c68de1e6477b862161a43
SHA256

0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821
SHA512

83bca79d1f0ac14c6d79685fd192964e7117e8c9c734036abddfdbb068c801ff38027a0812a2499e1d9e528a47af07150cafee27384b5a78b8fc32c23bd21130

Score

10^/10

ransomware persistence discovery exploit wastedlocker

Malware Config

Signatures

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	3744	vssvc.exe
Token: SeRestorePrivilege	3744	vssvc.exe
Token: SeAuditPrivilege	3744	vssvc.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

pid	Process
3884	vssadmin.exe

Modifies service 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\COM+ REGDB Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\ASR Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Shadow Copy Optimization Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\SwProvider_{b5946137-7b9f-4925-af80-51abd60b20d5}	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Registry Writer	vssvc.exe

Modifies extensions of user files 12 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File created	C:\Users\Admin\Pictures\EnterUnblock.tiff.tcwwasted_info	Hiveredirectionlist.exe
File opened for modification	C:\Users\Admin\Pictures\EnterUnblock.tiff.tcwwasted	Hiveredirectionlist.exe
File renamed	C:\Users\Admin\Pictures\OutExport.tif => C:\Users\Admin\Pictures\OutExport.tif.tcwwasted	Hiveredirectionlist.exe
File renamed	C:\Users\Admin\Pictures\SwitchProtect.tif => C:\Users\Admin\Pictures\SwitchProtect.tif.tcwwasted	Hiveredirectionlist.exe
File created	C:\Users\Admin\Pictures\UnprotectCompress.tif.tcwwasted_info	Hiveredirectionlist.exe
File renamed	C:\Users\Admin\Pictures\UnprotectCompress.tif => C:\Users\Admin\Pictures\UnprotectCompress.tif.tcwwasted	Hiveredirectionlist.exe
File opened for modification	C:\Users\Admin\Pictures\UnprotectCompress.tif.tcwwasted	Hiveredirectionlist.exe
File renamed	C:\Users\Admin\Pictures\EnterUnblock.tiff => C:\Users\Admin\Pictures\EnterUnblock.tiff.tcwwasted	Hiveredirectionlist.exe
File created	C:\Users\Admin\Pictures\OutExport.tif.tcwwasted_info	Hiveredirectionlist.exe
File opened for modification	C:\Users\Admin\Pictures\OutExport.tif.tcwwasted	Hiveredirectionlist.exe
File created	C:\Users\Admin\Pictures\SwitchProtect.tif.tcwwasted_info	Hiveredirectionlist.exe
File opened for modification	C:\Users\Admin\Pictures\SwitchProtect.tif.tcwwasted	Hiveredirectionlist.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 2508	3020	0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.exe	67
PID 3020 wrote to memory of 2508	3020	0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.exe	67
PID 3020 wrote to memory of 2508	3020	0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.exe	67
PID 2508 wrote to memory of 3884	2508	Hiveredirectionlist:bin	68
PID 2508 wrote to memory of 3884	2508	Hiveredirectionlist:bin	68
PID 2508 wrote to memory of 3484	2508	Hiveredirectionlist:bin	72
PID 2508 wrote to memory of 3484	2508	Hiveredirectionlist:bin	72
PID 2508 wrote to memory of 3484	2508	Hiveredirectionlist:bin	72
PID 2508 wrote to memory of 3996	2508	Hiveredirectionlist:bin	74
PID 2508 wrote to memory of 3996	2508	Hiveredirectionlist:bin	74
PID 2508 wrote to memory of 3996	2508	Hiveredirectionlist:bin	74
PID 504 wrote to memory of 1004	504	Hiveredirectionlist.exe	78
PID 504 wrote to memory of 1004	504	Hiveredirectionlist.exe	78
PID 504 wrote to memory of 1004	504	Hiveredirectionlist.exe	78
PID 1004 wrote to memory of 1064	1004	cmd.exe	80
PID 1004 wrote to memory of 1064	1004	cmd.exe	80
PID 1004 wrote to memory of 1064	1004	cmd.exe	80
PID 2508 wrote to memory of 1164	2508	Hiveredirectionlist:bin	81
PID 2508 wrote to memory of 1164	2508	Hiveredirectionlist:bin	81
PID 2508 wrote to memory of 1164	2508	Hiveredirectionlist:bin	81
PID 3020 wrote to memory of 1196	3020	0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.exe	83
PID 3020 wrote to memory of 1196	3020	0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.exe	83
PID 3020 wrote to memory of 1196	3020	0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.exe	83
PID 1164 wrote to memory of 1524	1164	cmd.exe	85
PID 1164 wrote to memory of 1524	1164	cmd.exe	85
PID 1164 wrote to memory of 1524	1164	cmd.exe	85
PID 1196 wrote to memory of 1668	1196	cmd.exe	86
PID 1196 wrote to memory of 1668	1196	cmd.exe	86
PID 1196 wrote to memory of 1668	1196	cmd.exe	86
PID 1004 wrote to memory of 1796	1004	cmd.exe	87
PID 1004 wrote to memory of 1796	1004	cmd.exe	87
PID 1004 wrote to memory of 1796	1004	cmd.exe	87
PID 1164 wrote to memory of 2008	1164	cmd.exe	88
PID 1164 wrote to memory of 2008	1164	cmd.exe	88
PID 1164 wrote to memory of 2008	1164	cmd.exe	88
PID 1196 wrote to memory of 2064	1196	cmd.exe	89
PID 1196 wrote to memory of 2064	1196	cmd.exe	89
PID 1196 wrote to memory of 2064	1196	cmd.exe	89

Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Modifies file permissions 1 TTPs 2 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3996	icacls.exe
3484	takeown.exe

Views/modifies file attributes 1 TTPs 3 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
1796	attrib.exe
2008	attrib.exe
2064	attrib.exe

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Hiveredirectionlist:bin	0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.exe

Possible privilege escalation attempt 2 IoCs

exploit

pid	Process
3484	takeown.exe
3996	icacls.exe

WastedLocker
Ransomware family seen in the wild since May 2020.
ransomware wastedlocker

Drops file in System32 directory 2 IoCs

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

Executes dropped EXE 2 IoCs

pid	Process
2508	Hiveredirectionlist:bin
504	Hiveredirectionlist.exe

C:\Users\Admin\AppData\Local\Temp\0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.exe
"C:\Users\Admin\AppData\Local\Temp\0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.exe"
1⤵
- Suspicious use of WriteProcessMemory
- NTFS ADS
PID:3020
- C:\Users\Admin\AppData\Roaming\Hiveredirectionlist:bin
  C:\Users\Admin\AppData\Roaming\Hiveredirectionlist:bin -r
  2⤵
  - Suspicious use of WriteProcessMemory
  - Drops file in System32 directory
  - Executes dropped EXE
  PID:2508
- - C:\Windows\system32\vssadmin.exe
    C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
    3⤵
    - Interacts with shadow copies
    PID:3884
- - C:\Windows\SysWOW64\takeown.exe
    C:\Windows\system32\takeown.exe /F C:\Windows\system32\Hiveredirectionlist.exe
    3⤵
    - Modifies file permissions
    - Possible privilege escalation attempt
    PID:3484
- - C:\Windows\SysWOW64\icacls.exe
    C:\Windows\system32\icacls.exe C:\Windows\system32\Hiveredirectionlist.exe /reset
    3⤵
    - Modifies file permissions
    - Possible privilege escalation attempt
    PID:3996
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Roaming\Hiveredirectionlist" & del "C:\Users\Admin\AppData\Roaming\Hiveredirectionlist"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1164
  - - C:\Windows\SysWOW64\choice.exe
      choice /t 10 /d y
      4⤵
      PID:1524
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -h "C:\Users\Admin\AppData\Roaming\Hiveredirectionlist"
      4⤵
      Views/modifies file attributes
      PID:2008
- C:\Windows\SysWOW64\cmd.exe
  cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Local\Temp\0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.exe" & del "C:\Users\Admin\AppData\Local\Temp\0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1196
- - C:\Windows\SysWOW64\choice.exe
    choice /t 10 /d y
    3⤵
    PID:1668
- - C:\Windows\SysWOW64\attrib.exe
    attrib -h "C:\Users\Admin\AppData\Local\Temp\0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.exe"
    3⤵
    - Views/modifies file attributes
    PID:2064

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
- Modifies service
PID:3744

C:\Windows\SysWOW64\Hiveredirectionlist.exe
C:\Windows\SysWOW64\Hiveredirectionlist.exe -s
1⤵
- Modifies extensions of user files
- Suspicious use of WriteProcessMemory
- Executes dropped EXE
PID:504
- C:\Windows\SysWOW64\cmd.exe
  cmd /c choice /t 10 /d y & attrib -h "C:\Windows\SysWOW64\Hiveredirectionlist.exe" & del "C:\Windows\SysWOW64\Hiveredirectionlist.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1004
- - C:\Windows\SysWOW64\choice.exe
    choice /t 10 /d y
    3⤵
    PID:1064
- - C:\Windows\SysWOW64\attrib.exe
    attrib -h "C:\Windows\SysWOW64\Hiveredirectionlist.exe"
    3⤵
    - Views/modifies file attributes
    - Drops file in System32 directory
    PID:1796

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Modify Existing Service

T1031

Privilege Escalation

Defense Evasion

File Deletion

T1107

File and Directory Permissions Modification

T1222

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Windows 7 deprecation

Loading Replay Monitor...

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads