wastedlocker | 6d35b01dbe014c6efc18d587c2be5e12617e1681cc670ba5c49fe7ead9de780e

General

Target

6d35b01dbe014c6efc18d587c2be5e12617e1681cc670ba5c49fe7ead9de780e.bin.exe
Size

60KB
MD5

9b5f5e7d14bd7d73b5adda12d4015ef4
SHA1

a41daf00a0193a8d8583801f8cb20405d9678296
SHA256

6d35b01dbe014c6efc18d587c2be5e12617e1681cc670ba5c49fe7ead9de780e
SHA512

83042c7a33d27edd86e1d9303fb587c1456017d2a87ab82bba80a9360569432197ecc599b2b810d0f71c91d6f3116e390ea6244fc0630a972a50da8f825e18de

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

2412 Server:bin
3636 Server.exe

pid	process
2412	Server:bin
3636	Server.exe

Modifies extensions of user files 24 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

Server.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\SkipResume.png => C:\Users\Admin\Pictures\SkipResume.png.garminwasted	Server.exe
File opened for modification	C:\Users\Admin\Pictures\UnpublishExpand.crw.garminwasted	Server.exe
File renamed	C:\Users\Admin\Pictures\HideCompare.tif => C:\Users\Admin\Pictures\HideCompare.tif.garminwasted	Server.exe
File created	C:\Users\Admin\Pictures\OptimizeOut.crw.garminwasted_info	Server.exe
File opened for modification	C:\Users\Admin\Pictures\CompareEnter.raw.garminwasted	Server.exe
File opened for modification	C:\Users\Admin\Pictures\DisableCheckpoint.raw.garminwasted	Server.exe
File created	C:\Users\Admin\Pictures\FormatWait.png.garminwasted_info	Server.exe
File opened for modification	C:\Users\Admin\Pictures\FormatWait.png.garminwasted	Server.exe
File opened for modification	C:\Users\Admin\Pictures\HideCompare.tif.garminwasted	Server.exe
File renamed	C:\Users\Admin\Pictures\OptimizeOut.crw => C:\Users\Admin\Pictures\OptimizeOut.crw.garminwasted	Server.exe
File created	C:\Users\Admin\Pictures\CompareEnter.raw.garminwasted_info	Server.exe
File renamed	C:\Users\Admin\Pictures\CompareEnter.raw => C:\Users\Admin\Pictures\CompareEnter.raw.garminwasted	Server.exe
File created	C:\Users\Admin\Pictures\SkipResume.png.garminwasted_info	Server.exe
File created	C:\Users\Admin\Pictures\UnpublishExpand.crw.garminwasted_info	Server.exe
File renamed	C:\Users\Admin\Pictures\DisableCheckpoint.raw => C:\Users\Admin\Pictures\DisableCheckpoint.raw.garminwasted	Server.exe
File created	C:\Users\Admin\Pictures\HideCompare.tif.garminwasted_info	Server.exe
File opened for modification	C:\Users\Admin\Pictures\OptimizeOut.crw.garminwasted	Server.exe
File opened for modification	C:\Users\Admin\Pictures\SkipResume.png.garminwasted	Server.exe
File renamed	C:\Users\Admin\Pictures\UnpublishExpand.crw => C:\Users\Admin\Pictures\UnpublishExpand.crw.garminwasted	Server.exe
File created	C:\Users\Admin\Pictures\CompleteRegister.crw.garminwasted_info	Server.exe
File renamed	C:\Users\Admin\Pictures\CompleteRegister.crw => C:\Users\Admin\Pictures\CompleteRegister.crw.garminwasted	Server.exe
File renamed	C:\Users\Admin\Pictures\FormatWait.png => C:\Users\Admin\Pictures\FormatWait.png.garminwasted	Server.exe
File opened for modification	C:\Users\Admin\Pictures\CompleteRegister.crw.garminwasted	Server.exe
File created	C:\Users\Admin\Pictures\DisableCheckpoint.raw.garminwasted_info	Server.exe

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

icacls.exetakeown.exe

pid process

2332 icacls.exe
184 takeown.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

184 takeown.exe
2332 icacls.exe

pid	process
2332	icacls.exe
184	takeown.exe

pid	process
184	takeown.exe
2332	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\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
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

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

2452 vssadmin.exe

pid	process
2452	vssadmin.exe

NTFS ADS 1 IoCs

Processes:

6d35b01dbe014c6efc18d587c2be5e12617e1681cc670ba5c49fe7ead9de780e.bin.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Server:bin	6d35b01dbe014c6efc18d587c2be5e12617e1681cc670ba5c49fe7ead9de780e.bin.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 4072 vssvc.exe
Token: SeRestorePrivilege 4072 vssvc.exe
Token: SeAuditPrivilege 4072 vssvc.exe

description	pid	process
Token: SeBackupPrivilege	4072	vssvc.exe
Token: SeRestorePrivilege	4072	vssvc.exe
Token: SeAuditPrivilege	4072	vssvc.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

6d35b01dbe014c6efc18d587c2be5e12617e1681cc670ba5c49fe7ead9de780e.bin.exeServer:binServer.execmd.execmd.execmd.exe

description	pid	process	target process
PID 1148 wrote to memory of 2412	1148	6d35b01dbe014c6efc18d587c2be5e12617e1681cc670ba5c49fe7ead9de780e.bin.exe	Server:bin
PID 1148 wrote to memory of 2412	1148	6d35b01dbe014c6efc18d587c2be5e12617e1681cc670ba5c49fe7ead9de780e.bin.exe	Server:bin
PID 1148 wrote to memory of 2412	1148	6d35b01dbe014c6efc18d587c2be5e12617e1681cc670ba5c49fe7ead9de780e.bin.exe	Server:bin
PID 2412 wrote to memory of 2452	2412	Server:bin	vssadmin.exe
PID 2412 wrote to memory of 2452	2412	Server:bin	vssadmin.exe
PID 2412 wrote to memory of 184	2412	Server:bin	takeown.exe
PID 2412 wrote to memory of 184	2412	Server:bin	takeown.exe
PID 2412 wrote to memory of 184	2412	Server:bin	takeown.exe
PID 2412 wrote to memory of 2332	2412	Server:bin	icacls.exe
PID 2412 wrote to memory of 2332	2412	Server:bin	icacls.exe
PID 2412 wrote to memory of 2332	2412	Server:bin	icacls.exe
PID 3636 wrote to memory of 2240	3636	Server.exe	cmd.exe
PID 3636 wrote to memory of 2240	3636	Server.exe	cmd.exe
PID 3636 wrote to memory of 2240	3636	Server.exe	cmd.exe
PID 2240 wrote to memory of 900	2240	cmd.exe	choice.exe
PID 2240 wrote to memory of 900	2240	cmd.exe	choice.exe
PID 2240 wrote to memory of 900	2240	cmd.exe	choice.exe
PID 2412 wrote to memory of 640	2412	Server:bin	cmd.exe
PID 2412 wrote to memory of 640	2412	Server:bin	cmd.exe
PID 2412 wrote to memory of 640	2412	Server:bin	cmd.exe
PID 1148 wrote to memory of 2296	1148	6d35b01dbe014c6efc18d587c2be5e12617e1681cc670ba5c49fe7ead9de780e.bin.exe	cmd.exe
PID 1148 wrote to memory of 2296	1148	6d35b01dbe014c6efc18d587c2be5e12617e1681cc670ba5c49fe7ead9de780e.bin.exe	cmd.exe
PID 1148 wrote to memory of 2296	1148	6d35b01dbe014c6efc18d587c2be5e12617e1681cc670ba5c49fe7ead9de780e.bin.exe	cmd.exe
PID 640 wrote to memory of 1364	640	cmd.exe	choice.exe
PID 640 wrote to memory of 1364	640	cmd.exe	choice.exe
PID 640 wrote to memory of 1364	640	cmd.exe	choice.exe
PID 2296 wrote to memory of 3780	2296	cmd.exe	choice.exe
PID 2296 wrote to memory of 3780	2296	cmd.exe	choice.exe
PID 2296 wrote to memory of 3780	2296	cmd.exe	choice.exe
PID 2240 wrote to memory of 2768	2240	cmd.exe	attrib.exe
PID 2240 wrote to memory of 2768	2240	cmd.exe	attrib.exe
PID 2240 wrote to memory of 2768	2240	cmd.exe	attrib.exe
PID 640 wrote to memory of 3768	640	cmd.exe	attrib.exe
PID 640 wrote to memory of 3768	640	cmd.exe	attrib.exe
PID 640 wrote to memory of 3768	640	cmd.exe	attrib.exe
PID 2296 wrote to memory of 2992	2296	cmd.exe	attrib.exe
PID 2296 wrote to memory of 2992	2296	cmd.exe	attrib.exe
PID 2296 wrote to memory of 2992	2296	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

2768 attrib.exe
3768 attrib.exe
2992 attrib.exe

pid	process
2768	attrib.exe
3768	attrib.exe
2992	attrib.exe

C:\Users\Admin\AppData\Local\Temp\6d35b01dbe014c6efc18d587c2be5e12617e1681cc670ba5c49fe7ead9de780e.bin.exe
"C:\Users\Admin\AppData\Local\Temp\6d35b01dbe014c6efc18d587c2be5e12617e1681cc670ba5c49fe7ead9de780e.bin.exe"
1⤵
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:1148

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:2412

C:\Windows\system32\vssadmin.exe
C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
3⤵
- Interacts with shadow copies
PID:2452

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:184

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:2332

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:640

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
4⤵
PID:1364

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Roaming\Server"
4⤵
- Views/modifies file attributes
PID:3768

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Local\Temp\6d35b01dbe014c6efc18d587c2be5e12617e1681cc670ba5c49fe7ead9de780e.bin.exe" & del "C:\Users\Admin\AppData\Local\Temp\6d35b01dbe014c6efc18d587c2be5e12617e1681cc670ba5c49fe7ead9de780e.bin.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2296

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
3⤵
PID:3780

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Local\Temp\6d35b01dbe014c6efc18d587c2be5e12617e1681cc670ba5c49fe7ead9de780e.bin.exe"
3⤵
- Views/modifies file attributes
PID:2992

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:4072

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:3636

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:2240

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
3⤵
PID:900

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Windows\SysWOW64\Server.exe"
3⤵
- Drops file in System32 directory
- Views/modifies file attributes
PID:2768

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
9b5f5e7d14bd7d73b5adda12d4015ef4

SHA1
a41daf00a0193a8d8583801f8cb20405d9678296

SHA256
6d35b01dbe014c6efc18d587c2be5e12617e1681cc670ba5c49fe7ead9de780e

SHA512
83042c7a33d27edd86e1d9303fb587c1456017d2a87ab82bba80a9360569432197ecc599b2b810d0f71c91d6f3116e390ea6244fc0630a972a50da8f825e18de

Download Submit
C:\Users\Admin\AppData\Roaming\Server:bin
MD5
9b5f5e7d14bd7d73b5adda12d4015ef4

SHA1
a41daf00a0193a8d8583801f8cb20405d9678296

SHA256
6d35b01dbe014c6efc18d587c2be5e12617e1681cc670ba5c49fe7ead9de780e

SHA512
83042c7a33d27edd86e1d9303fb587c1456017d2a87ab82bba80a9360569432197ecc599b2b810d0f71c91d6f3116e390ea6244fc0630a972a50da8f825e18de

Download Submit
C:\Windows\SysWOW64\Server.exe
MD5
9b5f5e7d14bd7d73b5adda12d4015ef4

SHA1
a41daf00a0193a8d8583801f8cb20405d9678296

SHA256
6d35b01dbe014c6efc18d587c2be5e12617e1681cc670ba5c49fe7ead9de780e

SHA512
83042c7a33d27edd86e1d9303fb587c1456017d2a87ab82bba80a9360569432197ecc599b2b810d0f71c91d6f3116e390ea6244fc0630a972a50da8f825e18de

Download Submit
C:\Windows\SysWOW64\Server.exe
MD5
9b5f5e7d14bd7d73b5adda12d4015ef4

SHA1
a41daf00a0193a8d8583801f8cb20405d9678296

SHA256
6d35b01dbe014c6efc18d587c2be5e12617e1681cc670ba5c49fe7ead9de780e

SHA512
83042c7a33d27edd86e1d9303fb587c1456017d2a87ab82bba80a9360569432197ecc599b2b810d0f71c91d6f3116e390ea6244fc0630a972a50da8f825e18de

Download Submit
memory/184-4-0x0000000000000000-mapping.dmp

Download
memory/640-10-0x0000000000000000-mapping.dmp

Download
memory/900-9-0x0000000000000000-mapping.dmp

Download
memory/1364-12-0x0000000000000000-mapping.dmp

Download
memory/2240-8-0x0000000000000000-mapping.dmp

Download
memory/2296-11-0x0000000000000000-mapping.dmp

Download
memory/2332-6-0x0000000000000000-mapping.dmp

Download
memory/2412-0-0x0000000000000000-mapping.dmp

Download
memory/2452-3-0x0000000000000000-mapping.dmp

Download
memory/2768-14-0x0000000000000000-mapping.dmp

Download
memory/2992-16-0x0000000000000000-mapping.dmp

Download
memory/3768-15-0x0000000000000000-mapping.dmp

Download
memory/3780-13-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads