wastedlocker | 7a45a4ae68992e5be784b4a6da7acd98dc28281fe238f22c1f7c1d85a90d144a

General

Target

7a45a4ae68992e5be784b4a6da7acd98dc28281fe238f22c1f7c1d85a90d144a.bin.exe
Size

60KB
MD5

2000de399f4c0ad50a26780700ed6cac
SHA1

70c0d6b0a8485df01ed893a7919009f099591083
SHA256

7a45a4ae68992e5be784b4a6da7acd98dc28281fe238f22c1f7c1d85a90d144a
SHA512

378cfc46bb17be59975c29e19cb08d5c899eb088639b3446470e286c831ef4f71179316e0c8cbfad8bcc6d77c6dc5cb3ec96690a9a0a0646e69edcd3648e340b

Score

10^/10

wastedlocker discovery exploit persistence ransomware

Malware Config

Signatures

WastedLocker
Ransomware family seen in the wild since May 2020.
ransomware wastedlocker
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490
Executes dropped EXE 2 IoCs

Processes:

Ci:binCi.exe

pid process

4032 Ci:bin
2580 Ci.exe

pid	process
4032	Ci:bin
2580	Ci.exe

Modifies extensions of user files 27 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

Ci.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Pictures\ClearReceive.raw.rlhwasted	Ci.exe
File created	C:\Users\Admin\Pictures\CompressInstall.tiff.rlhwasted_info	Ci.exe
File renamed	C:\Users\Admin\Pictures\CompressInstall.tiff => C:\Users\Admin\Pictures\CompressInstall.tiff.rlhwasted	Ci.exe
File opened for modification	C:\Users\Admin\Pictures\ImportRevoke.crw.rlhwasted	Ci.exe
File created	C:\Users\Admin\Pictures\ImportUnlock.tif.rlhwasted_info	Ci.exe
File created	C:\Users\Admin\Pictures\ShowTrace.png.rlhwasted_info	Ci.exe
File opened for modification	C:\Users\Admin\Pictures\UnblockFormat.tiff.rlhwasted	Ci.exe
File created	C:\Users\Admin\Pictures\ApproveMount.png.rlhwasted_info	Ci.exe
File renamed	C:\Users\Admin\Pictures\ApproveMount.png => C:\Users\Admin\Pictures\ApproveMount.png.rlhwasted	Ci.exe
File created	C:\Users\Admin\Pictures\ImportRevoke.crw.rlhwasted_info	Ci.exe
File renamed	C:\Users\Admin\Pictures\ImportRevoke.crw => C:\Users\Admin\Pictures\ImportRevoke.crw.rlhwasted	Ci.exe
File created	C:\Users\Admin\Pictures\InstallStep.crw.rlhwasted_info	Ci.exe
File renamed	C:\Users\Admin\Pictures\InstallStep.crw => C:\Users\Admin\Pictures\InstallStep.crw.rlhwasted	Ci.exe
File created	C:\Users\Admin\Pictures\UnblockFormat.tiff.rlhwasted_info	Ci.exe
File opened for modification	C:\Users\Admin\Pictures\CompressInstall.tiff.rlhwasted	Ci.exe
File renamed	C:\Users\Admin\Pictures\DisableUnpublish.raw => C:\Users\Admin\Pictures\DisableUnpublish.raw.rlhwasted	Ci.exe
File opened for modification	C:\Users\Admin\Pictures\ImportUnlock.tif.rlhwasted	Ci.exe
File created	C:\Users\Admin\Pictures\ClearReceive.raw.rlhwasted_info	Ci.exe
File renamed	C:\Users\Admin\Pictures\ClearReceive.raw => C:\Users\Admin\Pictures\ClearReceive.raw.rlhwasted	Ci.exe
File opened for modification	C:\Users\Admin\Pictures\DisableUnpublish.raw.rlhwasted	Ci.exe
File renamed	C:\Users\Admin\Pictures\ShowTrace.png => C:\Users\Admin\Pictures\ShowTrace.png.rlhwasted	Ci.exe
File opened for modification	C:\Users\Admin\Pictures\ShowTrace.png.rlhwasted	Ci.exe
File renamed	C:\Users\Admin\Pictures\UnblockFormat.tiff => C:\Users\Admin\Pictures\UnblockFormat.tiff.rlhwasted	Ci.exe
File opened for modification	C:\Users\Admin\Pictures\ApproveMount.png.rlhwasted	Ci.exe
File created	C:\Users\Admin\Pictures\DisableUnpublish.raw.rlhwasted_info	Ci.exe
File renamed	C:\Users\Admin\Pictures\ImportUnlock.tif => C:\Users\Admin\Pictures\ImportUnlock.tif.rlhwasted	Ci.exe
File opened for modification	C:\Users\Admin\Pictures\InstallStep.crw.rlhwasted	Ci.exe

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

3744 takeown.exe
1020 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

3744 takeown.exe
1020 icacls.exe
Drops file in System32 directory 2 IoCs

Processes:

Ci:binattrib.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\Ci.exe Ci:bin
File opened for modification C:\Windows\SysWOW64\Ci.exe attrib.exe

pid	process
3744	takeown.exe
1020	icacls.exe

pid	process
3744	takeown.exe
1020	icacls.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Ci.exe	Ci:bin
File opened for modification	C:\Windows\SysWOW64\Ci.exe	attrib.exe

Modifies service 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

vssvc.exe

description	ioc	process
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
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

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

3460 vssadmin.exe

pid	process
3460	vssadmin.exe

NTFS ADS 1 IoCs

Processes:

7a45a4ae68992e5be784b4a6da7acd98dc28281fe238f22c1f7c1d85a90d144a.bin.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Ci:bin	7a45a4ae68992e5be784b4a6da7acd98dc28281fe238f22c1f7c1d85a90d144a.bin.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 3856 vssvc.exe
Token: SeRestorePrivilege 3856 vssvc.exe
Token: SeAuditPrivilege 3856 vssvc.exe

description	pid	process
Token: SeBackupPrivilege	3856	vssvc.exe
Token: SeRestorePrivilege	3856	vssvc.exe
Token: SeAuditPrivilege	3856	vssvc.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

7a45a4ae68992e5be784b4a6da7acd98dc28281fe238f22c1f7c1d85a90d144a.bin.exeCi:binCi.execmd.execmd.execmd.exe

description	pid	process	target process
PID 3304 wrote to memory of 4032	3304	7a45a4ae68992e5be784b4a6da7acd98dc28281fe238f22c1f7c1d85a90d144a.bin.exe	Ci:bin
PID 3304 wrote to memory of 4032	3304	7a45a4ae68992e5be784b4a6da7acd98dc28281fe238f22c1f7c1d85a90d144a.bin.exe	Ci:bin
PID 3304 wrote to memory of 4032	3304	7a45a4ae68992e5be784b4a6da7acd98dc28281fe238f22c1f7c1d85a90d144a.bin.exe	Ci:bin
PID 4032 wrote to memory of 3460	4032	Ci:bin	vssadmin.exe
PID 4032 wrote to memory of 3460	4032	Ci:bin	vssadmin.exe
PID 4032 wrote to memory of 3744	4032	Ci:bin	takeown.exe
PID 4032 wrote to memory of 3744	4032	Ci:bin	takeown.exe
PID 4032 wrote to memory of 3744	4032	Ci:bin	takeown.exe
PID 4032 wrote to memory of 1020	4032	Ci:bin	icacls.exe
PID 4032 wrote to memory of 1020	4032	Ci:bin	icacls.exe
PID 4032 wrote to memory of 1020	4032	Ci:bin	icacls.exe
PID 2580 wrote to memory of 3864	2580	Ci.exe	cmd.exe
PID 2580 wrote to memory of 3864	2580	Ci.exe	cmd.exe
PID 2580 wrote to memory of 3864	2580	Ci.exe	cmd.exe
PID 3864 wrote to memory of 2264	3864	cmd.exe	choice.exe
PID 3864 wrote to memory of 2264	3864	cmd.exe	choice.exe
PID 3864 wrote to memory of 2264	3864	cmd.exe	choice.exe
PID 4032 wrote to memory of 1940	4032	Ci:bin	cmd.exe
PID 4032 wrote to memory of 1940	4032	Ci:bin	cmd.exe
PID 4032 wrote to memory of 1940	4032	Ci:bin	cmd.exe
PID 3304 wrote to memory of 1280	3304	7a45a4ae68992e5be784b4a6da7acd98dc28281fe238f22c1f7c1d85a90d144a.bin.exe	cmd.exe
PID 3304 wrote to memory of 1280	3304	7a45a4ae68992e5be784b4a6da7acd98dc28281fe238f22c1f7c1d85a90d144a.bin.exe	cmd.exe
PID 3304 wrote to memory of 1280	3304	7a45a4ae68992e5be784b4a6da7acd98dc28281fe238f22c1f7c1d85a90d144a.bin.exe	cmd.exe
PID 1940 wrote to memory of 4004	1940	cmd.exe	choice.exe
PID 1940 wrote to memory of 4004	1940	cmd.exe	choice.exe
PID 1940 wrote to memory of 4004	1940	cmd.exe	choice.exe
PID 1280 wrote to memory of 980	1280	cmd.exe	choice.exe
PID 1280 wrote to memory of 980	1280	cmd.exe	choice.exe
PID 1280 wrote to memory of 980	1280	cmd.exe	choice.exe
PID 3864 wrote to memory of 3292	3864	cmd.exe	attrib.exe
PID 3864 wrote to memory of 3292	3864	cmd.exe	attrib.exe
PID 3864 wrote to memory of 3292	3864	cmd.exe	attrib.exe
PID 1940 wrote to memory of 2792	1940	cmd.exe	attrib.exe
PID 1940 wrote to memory of 2792	1940	cmd.exe	attrib.exe
PID 1940 wrote to memory of 2792	1940	cmd.exe	attrib.exe
PID 1280 wrote to memory of 4028	1280	cmd.exe	attrib.exe
PID 1280 wrote to memory of 4028	1280	cmd.exe	attrib.exe
PID 1280 wrote to memory of 4028	1280	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 3 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exeattrib.exe

pid process

2792 attrib.exe
4028 attrib.exe
3292 attrib.exe

pid	process
2792	attrib.exe
4028	attrib.exe
3292	attrib.exe

C:\Users\Admin\AppData\Local\Temp\7a45a4ae68992e5be784b4a6da7acd98dc28281fe238f22c1f7c1d85a90d144a.bin.exe
"C:\Users\Admin\AppData\Local\Temp\7a45a4ae68992e5be784b4a6da7acd98dc28281fe238f22c1f7c1d85a90d144a.bin.exe"
1⤵
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:3304

C:\Users\Admin\AppData\Roaming\Ci:bin
C:\Users\Admin\AppData\Roaming\Ci:bin -r
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4032

C:\Windows\system32\vssadmin.exe
C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
3⤵
- Interacts with shadow copies
PID:3460

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /F C:\Windows\system32\Ci.exe
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:3744

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe C:\Windows\system32\Ci.exe /reset
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1020

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Roaming\Ci" & del "C:\Users\Admin\AppData\Roaming\Ci"
3⤵
- Suspicious use of WriteProcessMemory
PID:1940

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
4⤵
PID:4004

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Roaming\Ci"
4⤵
- Views/modifies file attributes
PID:2792

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Local\Temp\7a45a4ae68992e5be784b4a6da7acd98dc28281fe238f22c1f7c1d85a90d144a.bin.exe" & del "C:\Users\Admin\AppData\Local\Temp\7a45a4ae68992e5be784b4a6da7acd98dc28281fe238f22c1f7c1d85a90d144a.bin.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1280

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
3⤵
PID:980

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Local\Temp\7a45a4ae68992e5be784b4a6da7acd98dc28281fe238f22c1f7c1d85a90d144a.bin.exe"
3⤵
- Views/modifies file attributes
PID:4028

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:3856

C:\Windows\SysWOW64\Ci.exe
C:\Windows\SysWOW64\Ci.exe -s
1⤵
- Executes dropped EXE
- Modifies extensions of user files
- Suspicious use of WriteProcessMemory
PID:2580

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Windows\SysWOW64\Ci.exe" & del "C:\Windows\SysWOW64\Ci.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3864

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
3⤵
PID:2264

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Windows\SysWOW64\Ci.exe"
3⤵
- Drops file in System32 directory
- Views/modifies file attributes
PID:3292

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Hidden Files and Directories

1

T1158

Privilege Escalation

Defense Evasion

File Deletion

2

T1107

File Permissions Modification

1

T1222

Modify Registry

1

T1112

Hidden Files and Directories

1

T1158

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2

T1490

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Downloads

C:\Users\Admin\AppData\Roaming\Ci:bin
MD5
2000de399f4c0ad50a26780700ed6cac

SHA1
70c0d6b0a8485df01ed893a7919009f099591083

SHA256
7a45a4ae68992e5be784b4a6da7acd98dc28281fe238f22c1f7c1d85a90d144a

SHA512
378cfc46bb17be59975c29e19cb08d5c899eb088639b3446470e286c831ef4f71179316e0c8cbfad8bcc6d77c6dc5cb3ec96690a9a0a0646e69edcd3648e340b

Download Submit
C:\Users\Admin\AppData\Roaming\Ci:bin
MD5
2000de399f4c0ad50a26780700ed6cac

SHA1
70c0d6b0a8485df01ed893a7919009f099591083

SHA256
7a45a4ae68992e5be784b4a6da7acd98dc28281fe238f22c1f7c1d85a90d144a

SHA512
378cfc46bb17be59975c29e19cb08d5c899eb088639b3446470e286c831ef4f71179316e0c8cbfad8bcc6d77c6dc5cb3ec96690a9a0a0646e69edcd3648e340b

Download Submit
C:\Windows\SysWOW64\Ci.exe
MD5
2000de399f4c0ad50a26780700ed6cac

SHA1
70c0d6b0a8485df01ed893a7919009f099591083

SHA256
7a45a4ae68992e5be784b4a6da7acd98dc28281fe238f22c1f7c1d85a90d144a

SHA512
378cfc46bb17be59975c29e19cb08d5c899eb088639b3446470e286c831ef4f71179316e0c8cbfad8bcc6d77c6dc5cb3ec96690a9a0a0646e69edcd3648e340b

Download Submit
C:\Windows\SysWOW64\Ci.exe
MD5
2000de399f4c0ad50a26780700ed6cac

SHA1
70c0d6b0a8485df01ed893a7919009f099591083

SHA256
7a45a4ae68992e5be784b4a6da7acd98dc28281fe238f22c1f7c1d85a90d144a

SHA512
378cfc46bb17be59975c29e19cb08d5c899eb088639b3446470e286c831ef4f71179316e0c8cbfad8bcc6d77c6dc5cb3ec96690a9a0a0646e69edcd3648e340b

Download Submit
memory/980-13-0x0000000000000000-mapping.dmp

Download
memory/1020-6-0x0000000000000000-mapping.dmp

Download
memory/1280-11-0x0000000000000000-mapping.dmp

Download
memory/1940-10-0x0000000000000000-mapping.dmp

Download
memory/2264-9-0x0000000000000000-mapping.dmp

Download
memory/2792-15-0x0000000000000000-mapping.dmp

Download
memory/3292-14-0x0000000000000000-mapping.dmp

Download
memory/3460-3-0x0000000000000000-mapping.dmp

Download
memory/3744-4-0x0000000000000000-mapping.dmp

Download
memory/3864-8-0x0000000000000000-mapping.dmp

Download
memory/4004-12-0x0000000000000000-mapping.dmp

Download
memory/4028-16-0x0000000000000000-mapping.dmp

Download
memory/4032-0-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads