wastedlocker | ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56

General

Target

ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe
Size

58KB
MD5

33b80a574c6441baf5409a292aafb1cf
SHA1

8048aba11ea6209d1f49fa4e12741050350557df
SHA256

ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56
SHA512

52843695c364814c0d0d375f68f9c7202a26e492f59c01eaf23dd366da443ae6a02c2a7ff1748a033658808e900a61e097deb95c98de3744f2767faa040ddc00

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:

Server:binServer.exe

pid process

3880 Server:bin
1416 Server.exe

pid	process
3880	Server:bin
1416	Server.exe

Modifies extensions of user files 15 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

Server.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\RenameApprove.crw => C:\Users\Admin\Pictures\RenameApprove.crw.garminwasted	Server.exe
File created	C:\Users\Admin\Pictures\SkipUnpublish.tif.garminwasted_info	Server.exe
File opened for modification	C:\Users\Admin\Pictures\RepairFind.png.garminwasted	Server.exe
File renamed	C:\Users\Admin\Pictures\SkipUnpublish.tif => C:\Users\Admin\Pictures\SkipUnpublish.tif.garminwasted	Server.exe
File created	C:\Users\Admin\Pictures\DenyClose.tiff.garminwasted_info	Server.exe
File opened for modification	C:\Users\Admin\Pictures\ExportInvoke.crw.garminwasted	Server.exe
File opened for modification	C:\Users\Admin\Pictures\RenameApprove.crw.garminwasted	Server.exe
File renamed	C:\Users\Admin\Pictures\ExportInvoke.crw => C:\Users\Admin\Pictures\ExportInvoke.crw.garminwasted	Server.exe
File created	C:\Users\Admin\Pictures\RepairFind.png.garminwasted_info	Server.exe
File renamed	C:\Users\Admin\Pictures\RepairFind.png => C:\Users\Admin\Pictures\RepairFind.png.garminwasted	Server.exe
File renamed	C:\Users\Admin\Pictures\DenyClose.tiff => C:\Users\Admin\Pictures\DenyClose.tiff.garminwasted	Server.exe
File opened for modification	C:\Users\Admin\Pictures\DenyClose.tiff.garminwasted	Server.exe
File created	C:\Users\Admin\Pictures\ExportInvoke.crw.garminwasted_info	Server.exe
File created	C:\Users\Admin\Pictures\RenameApprove.crw.garminwasted_info	Server.exe
File opened for modification	C:\Users\Admin\Pictures\SkipUnpublish.tif.garminwasted	Server.exe

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

196 takeown.exe
2872 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

196 takeown.exe
2872 icacls.exe

pid	process
196	takeown.exe
2872	icacls.exe

pid	process
196	takeown.exe
2872	icacls.exe

Drops file in System32 directory 2 IoCs

Processes:

Server:binattrib.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Server.exe	Server:bin
File opened for modification	C:\Windows\SysWOW64\Server.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\Registry 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\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

2976 vssadmin.exe

pid	process
2976	vssadmin.exe

NTFS ADS 1 IoCs

Processes:

ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Server:bin	ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 2972 vssvc.exe
Token: SeRestorePrivilege 2972 vssvc.exe
Token: SeAuditPrivilege 2972 vssvc.exe

description	pid	process
Token: SeBackupPrivilege	2972	vssvc.exe
Token: SeRestorePrivilege	2972	vssvc.exe
Token: SeAuditPrivilege	2972	vssvc.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exeServer:binServer.execmd.execmd.execmd.exe

description	pid	process	target process
PID 1160 wrote to memory of 3880	1160	ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe	Server:bin
PID 1160 wrote to memory of 3880	1160	ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe	Server:bin
PID 1160 wrote to memory of 3880	1160	ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe	Server:bin
PID 3880 wrote to memory of 2976	3880	Server:bin	vssadmin.exe
PID 3880 wrote to memory of 2976	3880	Server:bin	vssadmin.exe
PID 3880 wrote to memory of 196	3880	Server:bin	takeown.exe
PID 3880 wrote to memory of 196	3880	Server:bin	takeown.exe
PID 3880 wrote to memory of 196	3880	Server:bin	takeown.exe
PID 3880 wrote to memory of 2872	3880	Server:bin	icacls.exe
PID 3880 wrote to memory of 2872	3880	Server:bin	icacls.exe
PID 3880 wrote to memory of 2872	3880	Server:bin	icacls.exe
PID 1416 wrote to memory of 3408	1416	Server.exe	cmd.exe
PID 1416 wrote to memory of 3408	1416	Server.exe	cmd.exe
PID 1416 wrote to memory of 3408	1416	Server.exe	cmd.exe
PID 3408 wrote to memory of 1120	3408	cmd.exe	choice.exe
PID 3408 wrote to memory of 1120	3408	cmd.exe	choice.exe
PID 3408 wrote to memory of 1120	3408	cmd.exe	choice.exe
PID 3880 wrote to memory of 2076	3880	Server:bin	cmd.exe
PID 3880 wrote to memory of 2076	3880	Server:bin	cmd.exe
PID 3880 wrote to memory of 2076	3880	Server:bin	cmd.exe
PID 1160 wrote to memory of 1296	1160	ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe	cmd.exe
PID 1160 wrote to memory of 1296	1160	ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe	cmd.exe
PID 1160 wrote to memory of 1296	1160	ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe	cmd.exe
PID 2076 wrote to memory of 3948	2076	cmd.exe	choice.exe
PID 2076 wrote to memory of 3948	2076	cmd.exe	choice.exe
PID 2076 wrote to memory of 3948	2076	cmd.exe	choice.exe
PID 1296 wrote to memory of 1796	1296	cmd.exe	choice.exe
PID 1296 wrote to memory of 1796	1296	cmd.exe	choice.exe
PID 1296 wrote to memory of 1796	1296	cmd.exe	choice.exe
PID 3408 wrote to memory of 3660	3408	cmd.exe	attrib.exe
PID 3408 wrote to memory of 3660	3408	cmd.exe	attrib.exe
PID 3408 wrote to memory of 3660	3408	cmd.exe	attrib.exe
PID 1296 wrote to memory of 3680	1296	cmd.exe	attrib.exe
PID 1296 wrote to memory of 3680	1296	cmd.exe	attrib.exe
PID 1296 wrote to memory of 3680	1296	cmd.exe	attrib.exe
PID 2076 wrote to memory of 1016	2076	cmd.exe	attrib.exe
PID 2076 wrote to memory of 1016	2076	cmd.exe	attrib.exe
PID 2076 wrote to memory of 1016	2076	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

3660 attrib.exe
3680 attrib.exe
1016 attrib.exe

pid	process
3660	attrib.exe
3680	attrib.exe
1016	attrib.exe

C:\Users\Admin\AppData\Local\Temp\ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe
"C:\Users\Admin\AppData\Local\Temp\ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe"
1⤵
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:1160

C:\Users\Admin\AppData\Roaming\Server:bin
C:\Users\Admin\AppData\Roaming\Server:bin -r
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3880

C:\Windows\system32\vssadmin.exe
C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
3⤵
- Interacts with shadow copies
PID:2976

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /F C:\Windows\system32\Server.exe
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:196

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe C:\Windows\system32\Server.exe /reset
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:2872

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Roaming\Server" & del "C:\Users\Admin\AppData\Roaming\Server"
3⤵
- Suspicious use of WriteProcessMemory
PID:2076

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
4⤵
PID:3948

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Roaming\Server"
4⤵
- Views/modifies file attributes
PID:1016

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Local\Temp\ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe" & del "C:\Users\Admin\AppData\Local\Temp\ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1296

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
3⤵
PID:1796

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Local\Temp\ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe"
3⤵
- Views/modifies file attributes
PID:3680

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:2972

C:\Windows\SysWOW64\Server.exe
C:\Windows\SysWOW64\Server.exe -s
1⤵
- Executes dropped EXE
- Modifies extensions of user files
- Suspicious use of WriteProcessMemory
PID:1416

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Windows\SysWOW64\Server.exe" & del "C:\Windows\SysWOW64\Server.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3408

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
3⤵
PID:1120

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Windows\SysWOW64\Server.exe"
3⤵
- Drops file in System32 directory
- Views/modifies file attributes
PID:3660

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\Server:bin
MD5
33b80a574c6441baf5409a292aafb1cf

SHA1
8048aba11ea6209d1f49fa4e12741050350557df

SHA256
ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56

SHA512
52843695c364814c0d0d375f68f9c7202a26e492f59c01eaf23dd366da443ae6a02c2a7ff1748a033658808e900a61e097deb95c98de3744f2767faa040ddc00

Download Submit
C:\Users\Admin\AppData\Roaming\Server:bin
MD5
33b80a574c6441baf5409a292aafb1cf

SHA1
8048aba11ea6209d1f49fa4e12741050350557df

SHA256
ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56

SHA512
52843695c364814c0d0d375f68f9c7202a26e492f59c01eaf23dd366da443ae6a02c2a7ff1748a033658808e900a61e097deb95c98de3744f2767faa040ddc00

Download Submit
C:\Windows\SysWOW64\Server.exe
MD5
33b80a574c6441baf5409a292aafb1cf

SHA1
8048aba11ea6209d1f49fa4e12741050350557df

SHA256
ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56

SHA512
52843695c364814c0d0d375f68f9c7202a26e492f59c01eaf23dd366da443ae6a02c2a7ff1748a033658808e900a61e097deb95c98de3744f2767faa040ddc00

Download Submit
C:\Windows\SysWOW64\Server.exe
MD5
33b80a574c6441baf5409a292aafb1cf

SHA1
8048aba11ea6209d1f49fa4e12741050350557df

SHA256
ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56

SHA512
52843695c364814c0d0d375f68f9c7202a26e492f59c01eaf23dd366da443ae6a02c2a7ff1748a033658808e900a61e097deb95c98de3744f2767faa040ddc00

Download Submit
memory/196-4-0x0000000000000000-mapping.dmp

Download
memory/1016-16-0x0000000000000000-mapping.dmp

Download
memory/1120-9-0x0000000000000000-mapping.dmp

Download
memory/1296-11-0x0000000000000000-mapping.dmp

Download
memory/1796-13-0x0000000000000000-mapping.dmp

Download
memory/2076-10-0x0000000000000000-mapping.dmp

Download
memory/2872-6-0x0000000000000000-mapping.dmp

Download
memory/2976-3-0x0000000000000000-mapping.dmp

Download
memory/3408-8-0x0000000000000000-mapping.dmp

Download
memory/3660-14-0x0000000000000000-mapping.dmp

Download
memory/3680-15-0x0000000000000000-mapping.dmp

Download
memory/3880-0-0x0000000000000000-mapping.dmp

Download
memory/3948-12-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads