wastedlocker | ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56

General

Target

ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.sample.exe
Size

58KB
MD5

33b80a574c6441baf5409a292aafb1cf
SHA1

8048aba11ea6209d1f49fa4e12741050350557df
SHA256

ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56
SHA512

52843695c364814c0d0d375f68f9c7202a26e492f59c01eaf23dd366da443ae6a02c2a7ff1748a033658808e900a61e097deb95c98de3744f2767faa040ddc00

Score

10^/10

wastedlocker discovery exploit 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:

Index:binIndex.exe

pid process

1284 Index:bin
1632 Index.exe

pid	process
1284	Index:bin
1632	Index.exe

Modifies extensions of user files 36 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

Index.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\GrantFind.png => C:\Users\Admin\Pictures\GrantFind.png.garminwasted	Index.exe
File opened for modification	C:\Users\Admin\Pictures\OutInitialize.crw.garminwasted	Index.exe
File renamed	C:\Users\Admin\Pictures\ReadRegister.tiff => C:\Users\Admin\Pictures\ReadRegister.tiff.garminwasted	Index.exe
File renamed	C:\Users\Admin\Pictures\RenameTest.raw => C:\Users\Admin\Pictures\RenameTest.raw.garminwasted	Index.exe
File renamed	C:\Users\Admin\Pictures\RepairSearch.crw => C:\Users\Admin\Pictures\RepairSearch.crw.garminwasted	Index.exe
File created	C:\Users\Admin\Pictures\GrantFind.png.garminwasted_info	Index.exe
File created	C:\Users\Admin\Pictures\TraceStop.raw.garminwasted_info	Index.exe
File created	C:\Users\Admin\Pictures\SyncOpen.png.garminwasted_info	Index.exe
File opened for modification	C:\Users\Admin\Pictures\GrantFind.png.garminwasted	Index.exe
File opened for modification	C:\Users\Admin\Pictures\RenameTest.raw.garminwasted	Index.exe
File created	C:\Users\Admin\Pictures\ResumeSync.crw.garminwasted_info	Index.exe
File opened for modification	C:\Users\Admin\Pictures\SyncOpen.png.garminwasted	Index.exe
File renamed	C:\Users\Admin\Pictures\TraceStop.raw => C:\Users\Admin\Pictures\TraceStop.raw.garminwasted	Index.exe
File opened for modification	C:\Users\Admin\Pictures\GetFind.png.garminwasted	Index.exe
File created	C:\Users\Admin\Pictures\OutInitialize.crw.garminwasted_info	Index.exe
File opened for modification	C:\Users\Admin\Pictures\RepairSearch.crw.garminwasted	Index.exe
File renamed	C:\Users\Admin\Pictures\ResumeSync.crw => C:\Users\Admin\Pictures\ResumeSync.crw.garminwasted	Index.exe
File opened for modification	C:\Users\Admin\Pictures\ResumeSync.crw.garminwasted	Index.exe
File opened for modification	C:\Users\Admin\Pictures\SwitchRestart.tif.garminwasted	Index.exe
File opened for modification	C:\Users\Admin\Pictures\TraceStop.raw.garminwasted	Index.exe
File created	C:\Users\Admin\Pictures\GetFind.png.garminwasted_info	Index.exe
File opened for modification	C:\Users\Admin\Pictures\ReadRegister.tiff.garminwasted	Index.exe
File created	C:\Users\Admin\Pictures\SwitchRestart.tif.garminwasted_info	Index.exe
File opened for modification	C:\Users\Admin\Pictures\InitializeConvert.tiff.garminwasted	Index.exe
File renamed	C:\Users\Admin\Pictures\SwitchRestart.tif => C:\Users\Admin\Pictures\SwitchRestart.tif.garminwasted	Index.exe
File created	C:\Users\Admin\Pictures\WatchHide.tif.garminwasted_info	Index.exe
File renamed	C:\Users\Admin\Pictures\WatchHide.tif => C:\Users\Admin\Pictures\WatchHide.tif.garminwasted	Index.exe
File created	C:\Users\Admin\Pictures\RepairSearch.crw.garminwasted_info	Index.exe
File created	C:\Users\Admin\Pictures\RenameTest.raw.garminwasted_info	Index.exe
File renamed	C:\Users\Admin\Pictures\InitializeConvert.tiff => C:\Users\Admin\Pictures\InitializeConvert.tiff.garminwasted	Index.exe
File created	C:\Users\Admin\Pictures\InitializeConvert.tiff.garminwasted_info	Index.exe
File renamed	C:\Users\Admin\Pictures\OutInitialize.crw => C:\Users\Admin\Pictures\OutInitialize.crw.garminwasted	Index.exe
File created	C:\Users\Admin\Pictures\ReadRegister.tiff.garminwasted_info	Index.exe
File renamed	C:\Users\Admin\Pictures\SyncOpen.png => C:\Users\Admin\Pictures\SyncOpen.png.garminwasted	Index.exe
File opened for modification	C:\Users\Admin\Pictures\WatchHide.tif.garminwasted	Index.exe
File renamed	C:\Users\Admin\Pictures\GetFind.png => C:\Users\Admin\Pictures\GetFind.png.garminwasted	Index.exe

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

1760 takeown.exe
1616 icacls.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

920 cmd.exe

pid	process
1760	takeown.exe
1616	icacls.exe

pid	process
920	cmd.exe

Loads dropped DLL 2 IoCs

Processes:

ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.sample.exe

pid	process
1948	ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.sample.exe
1948	ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.sample.exe

Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

1760 takeown.exe
1616 icacls.exe

pid	process
1760	takeown.exe
1616	icacls.exe

Drops file in System32 directory 2 IoCs

Processes:

Index:binattrib.exe

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

848 vssadmin.exe

pid	process
848	vssadmin.exe

NTFS ADS 1 IoCs

Processes:

ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.sample.exe

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

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1980 vssvc.exe
Token: SeRestorePrivilege 1980 vssvc.exe
Token: SeAuditPrivilege 1980 vssvc.exe

description	pid	process
Token: SeBackupPrivilege	1980	vssvc.exe
Token: SeRestorePrivilege	1980	vssvc.exe
Token: SeAuditPrivilege	1980	vssvc.exe

Suspicious use of WriteProcessMemory 52 IoCs

Processes:

ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.sample.exeIndex:binIndex.execmd.execmd.execmd.exe

description	pid	process	target process
PID 1948 wrote to memory of 1284	1948	ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.sample.exe	Index:bin
PID 1948 wrote to memory of 1284	1948	ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.sample.exe	Index:bin
PID 1948 wrote to memory of 1284	1948	ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.sample.exe	Index:bin
PID 1948 wrote to memory of 1284	1948	ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.sample.exe	Index:bin
PID 1284 wrote to memory of 848	1284	Index:bin	vssadmin.exe
PID 1284 wrote to memory of 848	1284	Index:bin	vssadmin.exe
PID 1284 wrote to memory of 848	1284	Index:bin	vssadmin.exe
PID 1284 wrote to memory of 848	1284	Index:bin	vssadmin.exe
PID 1284 wrote to memory of 1760	1284	Index:bin	takeown.exe
PID 1284 wrote to memory of 1760	1284	Index:bin	takeown.exe
PID 1284 wrote to memory of 1760	1284	Index:bin	takeown.exe
PID 1284 wrote to memory of 1760	1284	Index:bin	takeown.exe
PID 1284 wrote to memory of 1616	1284	Index:bin	icacls.exe
PID 1284 wrote to memory of 1616	1284	Index:bin	icacls.exe
PID 1284 wrote to memory of 1616	1284	Index:bin	icacls.exe
PID 1284 wrote to memory of 1616	1284	Index:bin	icacls.exe
PID 1632 wrote to memory of 380	1632	Index.exe	cmd.exe
PID 1632 wrote to memory of 380	1632	Index.exe	cmd.exe
PID 1632 wrote to memory of 380	1632	Index.exe	cmd.exe
PID 1632 wrote to memory of 380	1632	Index.exe	cmd.exe
PID 380 wrote to memory of 1652	380	cmd.exe	choice.exe
PID 380 wrote to memory of 1652	380	cmd.exe	choice.exe
PID 380 wrote to memory of 1652	380	cmd.exe	choice.exe
PID 380 wrote to memory of 1652	380	cmd.exe	choice.exe
PID 1284 wrote to memory of 1120	1284	Index:bin	cmd.exe
PID 1284 wrote to memory of 1120	1284	Index:bin	cmd.exe
PID 1284 wrote to memory of 1120	1284	Index:bin	cmd.exe
PID 1284 wrote to memory of 1120	1284	Index:bin	cmd.exe
PID 1948 wrote to memory of 920	1948	ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.sample.exe	cmd.exe
PID 1948 wrote to memory of 920	1948	ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.sample.exe	cmd.exe
PID 1948 wrote to memory of 920	1948	ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.sample.exe	cmd.exe
PID 1948 wrote to memory of 920	1948	ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.sample.exe	cmd.exe
PID 1120 wrote to memory of 1296	1120	cmd.exe	choice.exe
PID 1120 wrote to memory of 1296	1120	cmd.exe	choice.exe
PID 1120 wrote to memory of 1296	1120	cmd.exe	choice.exe
PID 1120 wrote to memory of 1296	1120	cmd.exe	choice.exe
PID 920 wrote to memory of 1376	920	cmd.exe	choice.exe
PID 920 wrote to memory of 1376	920	cmd.exe	choice.exe
PID 920 wrote to memory of 1376	920	cmd.exe	choice.exe
PID 920 wrote to memory of 1376	920	cmd.exe	choice.exe
PID 380 wrote to memory of 1780	380	cmd.exe	attrib.exe
PID 380 wrote to memory of 1780	380	cmd.exe	attrib.exe
PID 380 wrote to memory of 1780	380	cmd.exe	attrib.exe
PID 380 wrote to memory of 1780	380	cmd.exe	attrib.exe
PID 1120 wrote to memory of 1704	1120	cmd.exe	attrib.exe
PID 1120 wrote to memory of 1704	1120	cmd.exe	attrib.exe
PID 1120 wrote to memory of 1704	1120	cmd.exe	attrib.exe
PID 1120 wrote to memory of 1704	1120	cmd.exe	attrib.exe
PID 920 wrote to memory of 1724	920	cmd.exe	attrib.exe
PID 920 wrote to memory of 1724	920	cmd.exe	attrib.exe
PID 920 wrote to memory of 1724	920	cmd.exe	attrib.exe
PID 920 wrote to memory of 1724	920	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

1780 attrib.exe
1704 attrib.exe
1724 attrib.exe

pid	process
1780	attrib.exe
1704	attrib.exe
1724	attrib.exe

C:\Users\Admin\AppData\Local\Temp\ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.sample.exe
"C:\Users\Admin\AppData\Local\Temp\ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.sample.exe"
1⤵
- Loads dropped DLL
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:1948

C:\Users\Admin\AppData\Roaming\Index:bin
C:\Users\Admin\AppData\Roaming\Index:bin -r
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1284

C:\Windows\system32\vssadmin.exe
C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
3⤵
- Interacts with shadow copies
PID:848

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /F C:\Windows\system32\Index.exe
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1760

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe C:\Windows\system32\Index.exe /reset
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1616

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Roaming\Index" & del "C:\Users\Admin\AppData\Roaming\Index"
3⤵
- Suspicious use of WriteProcessMemory
PID:1120

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
4⤵
PID:1296

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Roaming\Index"
4⤵
- Views/modifies file attributes
PID:1704

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Local\Temp\ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.sample.exe" & del "C:\Users\Admin\AppData\Local\Temp\ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.sample.exe"
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:920

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
3⤵
PID:1376

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Local\Temp\ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56.sample.exe"
3⤵
- Views/modifies file attributes
PID:1724

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1980

C:\Windows\SysWOW64\Index.exe
C:\Windows\SysWOW64\Index.exe -s
1⤵
- Executes dropped EXE
- Modifies extensions of user files
- Suspicious use of WriteProcessMemory
PID:1632

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Windows\SysWOW64\Index.exe" & del "C:\Windows\SysWOW64\Index.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:380

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
3⤵
PID:1652

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Windows\SysWOW64\Index.exe"
3⤵
- Drops file in System32 directory
- Views/modifies file attributes
PID:1780

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Privilege Escalation

Defense Evasion

File Deletion

2

T1107

File Permissions Modification

1

T1222

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\Index:bin
MD5
33b80a574c6441baf5409a292aafb1cf

SHA1
8048aba11ea6209d1f49fa4e12741050350557df

SHA256
ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56

SHA512
52843695c364814c0d0d375f68f9c7202a26e492f59c01eaf23dd366da443ae6a02c2a7ff1748a033658808e900a61e097deb95c98de3744f2767faa040ddc00

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

SHA1
8048aba11ea6209d1f49fa4e12741050350557df

SHA256
ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56

SHA512
52843695c364814c0d0d375f68f9c7202a26e492f59c01eaf23dd366da443ae6a02c2a7ff1748a033658808e900a61e097deb95c98de3744f2767faa040ddc00

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

SHA1
8048aba11ea6209d1f49fa4e12741050350557df

SHA256
ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56

SHA512
52843695c364814c0d0d375f68f9c7202a26e492f59c01eaf23dd366da443ae6a02c2a7ff1748a033658808e900a61e097deb95c98de3744f2767faa040ddc00

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

SHA1
8048aba11ea6209d1f49fa4e12741050350557df

SHA256
ab007094afec534a2aa64436f214866014a664e7399aeaf361790ede5eec6b56

SHA512
52843695c364814c0d0d375f68f9c7202a26e492f59c01eaf23dd366da443ae6a02c2a7ff1748a033658808e900a61e097deb95c98de3744f2767faa040ddc00

Download Submit
\Users\Admin\AppData\Roaming\Index
MD5
4c1549d5165f74abc24df7bfb981df05

SHA1
69d17824012e206c64ccecc40825b378efd29cc4

SHA256
5c954bf24b3b958d430336aa5d30fbda54601caee6572b330ee28d54c16852d0

SHA512
66711d9e1aedfbca7fdb5d91efde9de64509dfa01b99974a9246c13591c22789552f99b766748262c593d68f109f4d49405a1693ce1f2518776986e191a45b00

Download Submit
\Users\Admin\AppData\Roaming\Index
MD5
4c1549d5165f74abc24df7bfb981df05

SHA1
69d17824012e206c64ccecc40825b378efd29cc4

SHA256
5c954bf24b3b958d430336aa5d30fbda54601caee6572b330ee28d54c16852d0

SHA512
66711d9e1aedfbca7fdb5d91efde9de64509dfa01b99974a9246c13591c22789552f99b766748262c593d68f109f4d49405a1693ce1f2518776986e191a45b00

Download Submit
memory/380-73-0x0000000000000000-mapping.dmp

Download
memory/848-66-0x0000000000000000-mapping.dmp

Download
memory/920-76-0x0000000000000000-mapping.dmp

Download
memory/1120-75-0x0000000000000000-mapping.dmp

Download
memory/1284-63-0x0000000000000000-mapping.dmp

Download
memory/1296-77-0x0000000000000000-mapping.dmp

Download
memory/1376-78-0x0000000000000000-mapping.dmp

Download
memory/1616-70-0x0000000000000000-mapping.dmp

Download
memory/1652-74-0x0000000000000000-mapping.dmp

Download
memory/1704-80-0x0000000000000000-mapping.dmp

Download
memory/1724-81-0x0000000000000000-mapping.dmp

Download
memory/1760-68-0x0000000000000000-mapping.dmp

Download
memory/1780-79-0x0000000000000000-mapping.dmp

Download
memory/1948-60-0x0000000075511000-0x0000000075513000-memory.dmp

Filesize
8KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads