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:

Co:binCo.exe

pid process

1848 Co:bin
1492 Co.exe

pid	process
1848	Co:bin
1492	Co.exe

Modifies extensions of user files 9 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

Co.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Pictures\MergeCheckpoint.crw.garminwasted	Co.exe
File created	C:\Users\Admin\Pictures\CheckpointComplete.tif.garminwasted_info	Co.exe
File created	C:\Users\Admin\Pictures\DismountCheckpoint.tiff.garminwasted_info	Co.exe
File opened for modification	C:\Users\Admin\Pictures\DismountCheckpoint.tiff.garminwasted	Co.exe
File created	C:\Users\Admin\Pictures\MergeCheckpoint.crw.garminwasted_info	Co.exe
File renamed	C:\Users\Admin\Pictures\MergeCheckpoint.crw => C:\Users\Admin\Pictures\MergeCheckpoint.crw.garminwasted	Co.exe
File renamed	C:\Users\Admin\Pictures\CheckpointComplete.tif => C:\Users\Admin\Pictures\CheckpointComplete.tif.garminwasted	Co.exe
File opened for modification	C:\Users\Admin\Pictures\CheckpointComplete.tif.garminwasted	Co.exe
File renamed	C:\Users\Admin\Pictures\DismountCheckpoint.tiff => C:\Users\Admin\Pictures\DismountCheckpoint.tiff.garminwasted	Co.exe

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

1768 takeown.exe
1284 icacls.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1660 cmd.exe

pid	process
1768	takeown.exe
1284	icacls.exe

pid	process
1660	cmd.exe

Loads dropped DLL 2 IoCs

Processes:

ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe

pid	process
336	ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe
336	ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe

Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

1768 takeown.exe
1284 icacls.exe
Drops file in System32 directory 2 IoCs

Processes:

Co:binattrib.exe

description ioc process

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

pid	process
1768	takeown.exe
1284	icacls.exe

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

1988 vssadmin.exe

pid	process
1988	vssadmin.exe

NTFS ADS 1 IoCs

Processes:

ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe

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

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1320 vssvc.exe
Token: SeRestorePrivilege 1320 vssvc.exe
Token: SeAuditPrivilege 1320 vssvc.exe

description	pid	process
Token: SeBackupPrivilege	1320	vssvc.exe
Token: SeRestorePrivilege	1320	vssvc.exe
Token: SeAuditPrivilege	1320	vssvc.exe

Suspicious use of WriteProcessMemory 52 IoCs

Processes:

ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exeCo:binCo.execmd.execmd.execmd.exe

description	pid	process	target process
PID 336 wrote to memory of 1848	336	ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe	Co:bin
PID 336 wrote to memory of 1848	336	ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe	Co:bin
PID 336 wrote to memory of 1848	336	ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe	Co:bin
PID 336 wrote to memory of 1848	336	ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe	Co:bin
PID 1848 wrote to memory of 1988	1848	Co:bin	vssadmin.exe
PID 1848 wrote to memory of 1988	1848	Co:bin	vssadmin.exe
PID 1848 wrote to memory of 1988	1848	Co:bin	vssadmin.exe
PID 1848 wrote to memory of 1988	1848	Co:bin	vssadmin.exe
PID 1848 wrote to memory of 1768	1848	Co:bin	takeown.exe
PID 1848 wrote to memory of 1768	1848	Co:bin	takeown.exe
PID 1848 wrote to memory of 1768	1848	Co:bin	takeown.exe
PID 1848 wrote to memory of 1768	1848	Co:bin	takeown.exe
PID 1848 wrote to memory of 1284	1848	Co:bin	icacls.exe
PID 1848 wrote to memory of 1284	1848	Co:bin	icacls.exe
PID 1848 wrote to memory of 1284	1848	Co:bin	icacls.exe
PID 1848 wrote to memory of 1284	1848	Co:bin	icacls.exe
PID 1492 wrote to memory of 888	1492	Co.exe	cmd.exe
PID 1492 wrote to memory of 888	1492	Co.exe	cmd.exe
PID 1492 wrote to memory of 888	1492	Co.exe	cmd.exe
PID 1492 wrote to memory of 888	1492	Co.exe	cmd.exe
PID 888 wrote to memory of 1460	888	cmd.exe	choice.exe
PID 888 wrote to memory of 1460	888	cmd.exe	choice.exe
PID 888 wrote to memory of 1460	888	cmd.exe	choice.exe
PID 888 wrote to memory of 1460	888	cmd.exe	choice.exe
PID 1848 wrote to memory of 2032	1848	Co:bin	cmd.exe
PID 1848 wrote to memory of 2032	1848	Co:bin	cmd.exe
PID 1848 wrote to memory of 2032	1848	Co:bin	cmd.exe
PID 1848 wrote to memory of 2032	1848	Co:bin	cmd.exe
PID 336 wrote to memory of 1660	336	ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe	cmd.exe
PID 336 wrote to memory of 1660	336	ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe	cmd.exe
PID 336 wrote to memory of 1660	336	ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe	cmd.exe
PID 336 wrote to memory of 1660	336	ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe	cmd.exe
PID 2032 wrote to memory of 1640	2032	cmd.exe	choice.exe
PID 2032 wrote to memory of 1640	2032	cmd.exe	choice.exe
PID 2032 wrote to memory of 1640	2032	cmd.exe	choice.exe
PID 2032 wrote to memory of 1640	2032	cmd.exe	choice.exe
PID 1660 wrote to memory of 1628	1660	cmd.exe	choice.exe
PID 1660 wrote to memory of 1628	1660	cmd.exe	choice.exe
PID 1660 wrote to memory of 1628	1660	cmd.exe	choice.exe
PID 1660 wrote to memory of 1628	1660	cmd.exe	choice.exe
PID 888 wrote to memory of 1468	888	cmd.exe	attrib.exe
PID 888 wrote to memory of 1468	888	cmd.exe	attrib.exe
PID 888 wrote to memory of 1468	888	cmd.exe	attrib.exe
PID 888 wrote to memory of 1468	888	cmd.exe	attrib.exe
PID 2032 wrote to memory of 1388	2032	cmd.exe	attrib.exe
PID 2032 wrote to memory of 1388	2032	cmd.exe	attrib.exe
PID 2032 wrote to memory of 1388	2032	cmd.exe	attrib.exe
PID 2032 wrote to memory of 1388	2032	cmd.exe	attrib.exe
PID 1660 wrote to memory of 1692	1660	cmd.exe	attrib.exe
PID 1660 wrote to memory of 1692	1660	cmd.exe	attrib.exe
PID 1660 wrote to memory of 1692	1660	cmd.exe	attrib.exe
PID 1660 wrote to memory of 1692	1660	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

1468 attrib.exe
1388 attrib.exe
1692 attrib.exe

pid	process
1468	attrib.exe
1388	attrib.exe
1692	attrib.exe

C:\Users\Admin\AppData\Local\Temp\ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe
"C:\Users\Admin\AppData\Local\Temp\ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe"
1⤵
- Loads dropped DLL
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:336

C:\Users\Admin\AppData\Roaming\Co:bin
C:\Users\Admin\AppData\Roaming\Co:bin -r
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1848

C:\Windows\system32\vssadmin.exe
C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
3⤵
- Interacts with shadow copies
PID:1988

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /F C:\Windows\system32\Co.exe
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1768

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe C:\Windows\system32\Co.exe /reset
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1284

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Roaming\Co" & del "C:\Users\Admin\AppData\Roaming\Co"
3⤵
- Suspicious use of WriteProcessMemory
PID:2032

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
4⤵
PID:1640

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Roaming\Co"
4⤵
- Views/modifies file attributes
PID:1388

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⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1660

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
3⤵
PID:1628

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Local\Temp\ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.bin.exe"
3⤵
- Views/modifies file attributes
PID:1692

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:1320

C:\Windows\SysWOW64\Co.exe
C:\Windows\SysWOW64\Co.exe -s
1⤵
- Executes dropped EXE
- Modifies extensions of user files
- Suspicious use of WriteProcessMemory
PID:1492

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Windows\SysWOW64\Co.exe" & del "C:\Windows\SysWOW64\Co.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:888

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
3⤵
PID:1460

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Windows\SysWOW64\Co.exe"
3⤵
- Drops file in System32 directory
- Views/modifies file attributes
PID:1468

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\Co:bin
MD5
33b80a574c6441baf5409a292aafb1cf

SHA1
8048aba11ea6209d1f49fa4e12741050350557df

SHA256
ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56

SHA512
52843695c364814c0d0d375f68f9c7202a26e492f59c01eaf23dd366da443ae6a02c2a7ff1748a033658808e900a61e097deb95c98de3744f2767faa040ddc00

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

SHA1
8048aba11ea6209d1f49fa4e12741050350557df

SHA256
ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56

SHA512
52843695c364814c0d0d375f68f9c7202a26e492f59c01eaf23dd366da443ae6a02c2a7ff1748a033658808e900a61e097deb95c98de3744f2767faa040ddc00

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

SHA1
8048aba11ea6209d1f49fa4e12741050350557df

SHA256
ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56

SHA512
52843695c364814c0d0d375f68f9c7202a26e492f59c01eaf23dd366da443ae6a02c2a7ff1748a033658808e900a61e097deb95c98de3744f2767faa040ddc00

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

SHA1
8048aba11ea6209d1f49fa4e12741050350557df

SHA256
ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56

SHA512
52843695c364814c0d0d375f68f9c7202a26e492f59c01eaf23dd366da443ae6a02c2a7ff1748a033658808e900a61e097deb95c98de3744f2767faa040ddc00

Download Submit
\Users\Admin\AppData\Roaming\Co
MD5
e97878fece6d3910d5298f826f80bbb9

SHA1
c2ff2e9829dd2d3a000f29ee3f46e286795a9da2

SHA256
b57a9aa49ce48997d172d000855eb2c850c4e42eae9605b0e7f1cd506e9cf09b

SHA512
115ae09f27838f2444929f1bb5c5de3fe6a94752566610643918520bfbfb01837a85963897f5f0572e93d66c84a14e6398b13261cf12077147709ef335897636

Download Submit
\Users\Admin\AppData\Roaming\Co
MD5
e97878fece6d3910d5298f826f80bbb9

SHA1
c2ff2e9829dd2d3a000f29ee3f46e286795a9da2

SHA256
b57a9aa49ce48997d172d000855eb2c850c4e42eae9605b0e7f1cd506e9cf09b

SHA512
115ae09f27838f2444929f1bb5c5de3fe6a94752566610643918520bfbfb01837a85963897f5f0572e93d66c84a14e6398b13261cf12077147709ef335897636

Download Submit
memory/888-10-0x0000000000000000-mapping.dmp

Download
memory/1284-8-0x0000000000000000-mapping.dmp

Download
memory/1388-17-0x0000000000000000-mapping.dmp

Download
memory/1460-11-0x0000000000000000-mapping.dmp

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memory/1468-16-0x0000000000000000-mapping.dmp

Download
memory/1628-15-0x0000000000000000-mapping.dmp

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memory/1640-14-0x0000000000000000-mapping.dmp

Download
memory/1660-13-0x0000000000000000-mapping.dmp

Download
memory/1692-18-0x0000000000000000-mapping.dmp

Download
memory/1768-6-0x0000000000000000-mapping.dmp

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memory/1848-2-0x0000000000000000-mapping.dmp

Download
memory/1988-4-0x0000000000000000-mapping.dmp

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memory/2032-12-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads