wastedlocker | 7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559

General

Target

7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe
Size

58KB
MD5

432a1dd2d40e5b0f6385096847efd3b2
SHA1

f5735932baf8b04a8e1ca622ff06d37a9db29d9f
SHA256

7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559
SHA512

0d713fa5ca52322ea2295d305adbcecc83aaf6b46024987a483112fbbc4c47db6695d0e019b7e68f1a8fe53ff4cbbb4010a981a3fa91eb9be42ebccc75118c1e

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:

Snmp:binSnmp.exe

pid process

1344 Snmp:bin
1724 Snmp.exe

pid	process
1344	Snmp:bin
1724	Snmp.exe

Modifies extensions of user files 6 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

Snmp.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\UpdateGrant.crw => C:\Users\Admin\Pictures\UpdateGrant.crw.garminwasted	Snmp.exe
File opened for modification	C:\Users\Admin\Pictures\UpdateGrant.crw.garminwasted	Snmp.exe
File created	C:\Users\Admin\Pictures\MergeFormat.raw.garminwasted_info	Snmp.exe
File renamed	C:\Users\Admin\Pictures\MergeFormat.raw => C:\Users\Admin\Pictures\MergeFormat.raw.garminwasted	Snmp.exe
File opened for modification	C:\Users\Admin\Pictures\MergeFormat.raw.garminwasted	Snmp.exe
File created	C:\Users\Admin\Pictures\UpdateGrant.crw.garminwasted_info	Snmp.exe

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

1632 takeown.exe
644 icacls.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

616 cmd.exe

pid	process
1632	takeown.exe
644	icacls.exe

pid	process
616	cmd.exe

Loads dropped DLL 2 IoCs

Processes:

7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe

pid	process
1892	7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe
1892	7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe

Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

1632 takeown.exe
644 icacls.exe

pid	process
1632	takeown.exe
644	icacls.exe

Drops file in System32 directory 2 IoCs

Processes:

Snmp:binattrib.exe

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

1448 vssadmin.exe

pid	process
1448	vssadmin.exe

NTFS ADS 1 IoCs

Processes:

7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Snmp:bin	7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1144 vssvc.exe
Token: SeRestorePrivilege 1144 vssvc.exe
Token: SeAuditPrivilege 1144 vssvc.exe

description	pid	process
Token: SeBackupPrivilege	1144	vssvc.exe
Token: SeRestorePrivilege	1144	vssvc.exe
Token: SeAuditPrivilege	1144	vssvc.exe

Suspicious use of WriteProcessMemory 52 IoCs

Processes:

7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exeSnmp:binSnmp.execmd.execmd.execmd.exe

description	pid	process	target process
PID 1892 wrote to memory of 1344	1892	7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe	Snmp:bin
PID 1892 wrote to memory of 1344	1892	7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe	Snmp:bin
PID 1892 wrote to memory of 1344	1892	7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe	Snmp:bin
PID 1892 wrote to memory of 1344	1892	7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe	Snmp:bin
PID 1344 wrote to memory of 1448	1344	Snmp:bin	vssadmin.exe
PID 1344 wrote to memory of 1448	1344	Snmp:bin	vssadmin.exe
PID 1344 wrote to memory of 1448	1344	Snmp:bin	vssadmin.exe
PID 1344 wrote to memory of 1448	1344	Snmp:bin	vssadmin.exe
PID 1344 wrote to memory of 1632	1344	Snmp:bin	takeown.exe
PID 1344 wrote to memory of 1632	1344	Snmp:bin	takeown.exe
PID 1344 wrote to memory of 1632	1344	Snmp:bin	takeown.exe
PID 1344 wrote to memory of 1632	1344	Snmp:bin	takeown.exe
PID 1344 wrote to memory of 644	1344	Snmp:bin	icacls.exe
PID 1344 wrote to memory of 644	1344	Snmp:bin	icacls.exe
PID 1344 wrote to memory of 644	1344	Snmp:bin	icacls.exe
PID 1344 wrote to memory of 644	1344	Snmp:bin	icacls.exe
PID 1724 wrote to memory of 396	1724	Snmp.exe	cmd.exe
PID 1724 wrote to memory of 396	1724	Snmp.exe	cmd.exe
PID 1724 wrote to memory of 396	1724	Snmp.exe	cmd.exe
PID 1724 wrote to memory of 396	1724	Snmp.exe	cmd.exe
PID 396 wrote to memory of 576	396	cmd.exe	choice.exe
PID 396 wrote to memory of 576	396	cmd.exe	choice.exe
PID 396 wrote to memory of 576	396	cmd.exe	choice.exe
PID 396 wrote to memory of 576	396	cmd.exe	choice.exe
PID 1344 wrote to memory of 852	1344	Snmp:bin	cmd.exe
PID 1344 wrote to memory of 852	1344	Snmp:bin	cmd.exe
PID 1344 wrote to memory of 852	1344	Snmp:bin	cmd.exe
PID 1344 wrote to memory of 852	1344	Snmp:bin	cmd.exe
PID 1892 wrote to memory of 616	1892	7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe	cmd.exe
PID 1892 wrote to memory of 616	1892	7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe	cmd.exe
PID 1892 wrote to memory of 616	1892	7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe	cmd.exe
PID 1892 wrote to memory of 616	1892	7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe	cmd.exe
PID 852 wrote to memory of 848	852	cmd.exe	choice.exe
PID 852 wrote to memory of 848	852	cmd.exe	choice.exe
PID 852 wrote to memory of 848	852	cmd.exe	choice.exe
PID 852 wrote to memory of 848	852	cmd.exe	choice.exe
PID 616 wrote to memory of 1548	616	cmd.exe	choice.exe
PID 616 wrote to memory of 1548	616	cmd.exe	choice.exe
PID 616 wrote to memory of 1548	616	cmd.exe	choice.exe
PID 616 wrote to memory of 1548	616	cmd.exe	choice.exe
PID 396 wrote to memory of 1848	396	cmd.exe	attrib.exe
PID 396 wrote to memory of 1848	396	cmd.exe	attrib.exe
PID 396 wrote to memory of 1848	396	cmd.exe	attrib.exe
PID 396 wrote to memory of 1848	396	cmd.exe	attrib.exe
PID 852 wrote to memory of 1844	852	cmd.exe	attrib.exe
PID 852 wrote to memory of 1844	852	cmd.exe	attrib.exe
PID 852 wrote to memory of 1844	852	cmd.exe	attrib.exe
PID 852 wrote to memory of 1844	852	cmd.exe	attrib.exe
PID 616 wrote to memory of 1780	616	cmd.exe	attrib.exe
PID 616 wrote to memory of 1780	616	cmd.exe	attrib.exe
PID 616 wrote to memory of 1780	616	cmd.exe	attrib.exe
PID 616 wrote to memory of 1780	616	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

1844 attrib.exe
1780 attrib.exe
1848 attrib.exe

pid	process
1844	attrib.exe
1780	attrib.exe
1848	attrib.exe

C:\Users\Admin\AppData\Local\Temp\7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe
"C:\Users\Admin\AppData\Local\Temp\7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe"
1⤵
- Loads dropped DLL
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:1892

C:\Users\Admin\AppData\Roaming\Snmp:bin
C:\Users\Admin\AppData\Roaming\Snmp:bin -r
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1344

C:\Windows\system32\vssadmin.exe
C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
3⤵
- Interacts with shadow copies
PID:1448

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /F C:\Windows\system32\Snmp.exe
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1632

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe C:\Windows\system32\Snmp.exe /reset
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:644

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Roaming\Snmp" & del "C:\Users\Admin\AppData\Roaming\Snmp"
3⤵
- Suspicious use of WriteProcessMemory
PID:852

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
4⤵
PID:848

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Roaming\Snmp"
4⤵
- Views/modifies file attributes
PID:1844

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Local\Temp\7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe" & del "C:\Users\Admin\AppData\Local\Temp\7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe"
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:616

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
3⤵
PID:1548

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Local\Temp\7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe"
3⤵
- Views/modifies file attributes
PID:1780

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:1144

C:\Windows\SysWOW64\Snmp.exe
C:\Windows\SysWOW64\Snmp.exe -s
1⤵
- Executes dropped EXE
- Modifies extensions of user files
- Suspicious use of WriteProcessMemory
PID:1724

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Windows\SysWOW64\Snmp.exe" & del "C:\Windows\SysWOW64\Snmp.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:396

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
3⤵
PID:576

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Windows\SysWOW64\Snmp.exe"
3⤵
- Drops file in System32 directory
- Views/modifies file attributes
PID:1848

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\Snmp:bin
MD5
432a1dd2d40e5b0f6385096847efd3b2

SHA1
f5735932baf8b04a8e1ca622ff06d37a9db29d9f

SHA256
7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559

SHA512
0d713fa5ca52322ea2295d305adbcecc83aaf6b46024987a483112fbbc4c47db6695d0e019b7e68f1a8fe53ff4cbbb4010a981a3fa91eb9be42ebccc75118c1e

Download Submit
C:\Users\Admin\AppData\Roaming\Snmp:bin
MD5
432a1dd2d40e5b0f6385096847efd3b2

SHA1
f5735932baf8b04a8e1ca622ff06d37a9db29d9f

SHA256
7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559

SHA512
0d713fa5ca52322ea2295d305adbcecc83aaf6b46024987a483112fbbc4c47db6695d0e019b7e68f1a8fe53ff4cbbb4010a981a3fa91eb9be42ebccc75118c1e

Download Submit
C:\Windows\SysWOW64\Snmp.exe
MD5
432a1dd2d40e5b0f6385096847efd3b2

SHA1
f5735932baf8b04a8e1ca622ff06d37a9db29d9f

SHA256
7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559

SHA512
0d713fa5ca52322ea2295d305adbcecc83aaf6b46024987a483112fbbc4c47db6695d0e019b7e68f1a8fe53ff4cbbb4010a981a3fa91eb9be42ebccc75118c1e

Download Submit
C:\Windows\SysWOW64\Snmp.exe
MD5
432a1dd2d40e5b0f6385096847efd3b2

SHA1
f5735932baf8b04a8e1ca622ff06d37a9db29d9f

SHA256
7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559

SHA512
0d713fa5ca52322ea2295d305adbcecc83aaf6b46024987a483112fbbc4c47db6695d0e019b7e68f1a8fe53ff4cbbb4010a981a3fa91eb9be42ebccc75118c1e

Download Submit
\Users\Admin\AppData\Roaming\Snmp
MD5
f4e13e8fc9d1ce7623ddd120f9eb8ad1

SHA1
7808c7f02275773c9c0667adedaeb3b8a7bca48f

SHA256
68f3f085d6e42ae2c8e7db3f9821128a44f77fd81ef19e6cb884d8d8f71cf8ca

SHA512
bedfb8b8a994bf9def221e9f51edf9b9c3ea7865656479b9382b77cff9f6556f1a15311a38c9f0d6704774f882ad13f836379d28de2091f3ed05032548146690

Download Submit
\Users\Admin\AppData\Roaming\Snmp
MD5
f4e13e8fc9d1ce7623ddd120f9eb8ad1

SHA1
7808c7f02275773c9c0667adedaeb3b8a7bca48f

SHA256
68f3f085d6e42ae2c8e7db3f9821128a44f77fd81ef19e6cb884d8d8f71cf8ca

SHA512
bedfb8b8a994bf9def221e9f51edf9b9c3ea7865656479b9382b77cff9f6556f1a15311a38c9f0d6704774f882ad13f836379d28de2091f3ed05032548146690

Download Submit
memory/396-10-0x0000000000000000-mapping.dmp

Download
memory/576-11-0x0000000000000000-mapping.dmp

Download
memory/616-13-0x0000000000000000-mapping.dmp

Download
memory/644-8-0x0000000000000000-mapping.dmp

Download
memory/848-14-0x0000000000000000-mapping.dmp

Download
memory/852-12-0x0000000000000000-mapping.dmp

Download
memory/1344-2-0x0000000000000000-mapping.dmp

Download
memory/1448-4-0x0000000000000000-mapping.dmp

Download
memory/1548-15-0x0000000000000000-mapping.dmp

Download
memory/1632-6-0x0000000000000000-mapping.dmp

Download
memory/1780-18-0x0000000000000000-mapping.dmp

Download
memory/1844-17-0x0000000000000000-mapping.dmp

Download
memory/1848-16-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads