wastedlocker | 905ea119ad8d3e54cd228c458a1b5681abc1f35df782977a23812ec4efa0288a

General

Target

905ea119ad8d3e54cd228c458a1b5681abc1f35df782977a23812ec4efa0288a.sample.exe
Size

1.2MB
MD5

2cc4534b0dd0e1c8d5b89644274a10c1
SHA1

735ee2c15c0b7172f65d39f0fd33b9186ee69653
SHA256

905ea119ad8d3e54cd228c458a1b5681abc1f35df782977a23812ec4efa0288a
SHA512

a842b2d171aa6efa1b391d5d0f84663e78021b485555e2bf10a5e589d8652057f5abbd88e1a5ec628b714692ec5d63c3172894aa7846d5897e87d99dad67e2b8

Score

10^/10

wastedlocker cryptone discovery exploit packer ransomware

Malware Config

Signatures

WastedLocker
Ransomware family seen in the wild since May 2020.
ransomware wastedlocker

CryptOne packer 4 IoCs

Detects CryptOne packer defined in NCC blogpost.

cryptone packer

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\Options:bin	cryptone
C:\Users\Admin\AppData\Roaming\Options:bin	cryptone
C:\Windows\SysWOW64\Options.exe	cryptone
C:\Windows\SysWOW64\Options.exe	cryptone

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:

Options:binOptions.exe

pid process

1272 Options:bin
752 Options.exe

pid	process
1272	Options:bin
752	Options.exe

Modifies extensions of user files 12 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

Options.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Pictures\BackupClear.crw.garminwasted	Options.exe
File created	C:\Users\Admin\Pictures\RedoTest.tif.garminwasted_info	Options.exe
File opened for modification	C:\Users\Admin\Pictures\RedoTest.tif.garminwasted	Options.exe
File created	C:\Users\Admin\Pictures\SelectOpen.crw.garminwasted_info	Options.exe
File renamed	C:\Users\Admin\Pictures\SelectOpen.crw => C:\Users\Admin\Pictures\SelectOpen.crw.garminwasted	Options.exe
File opened for modification	C:\Users\Admin\Pictures\SelectOpen.crw.garminwasted	Options.exe
File created	C:\Users\Admin\Pictures\BackupClear.crw.garminwasted_info	Options.exe
File renamed	C:\Users\Admin\Pictures\BackupClear.crw => C:\Users\Admin\Pictures\BackupClear.crw.garminwasted	Options.exe
File renamed	C:\Users\Admin\Pictures\RedoTest.tif => C:\Users\Admin\Pictures\RedoTest.tif.garminwasted	Options.exe
File created	C:\Users\Admin\Pictures\SendMove.tif.garminwasted_info	Options.exe
File renamed	C:\Users\Admin\Pictures\SendMove.tif => C:\Users\Admin\Pictures\SendMove.tif.garminwasted	Options.exe
File opened for modification	C:\Users\Admin\Pictures\SendMove.tif.garminwasted	Options.exe

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

1660 takeown.exe
1700 icacls.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1324 cmd.exe

pid	process
1660	takeown.exe
1700	icacls.exe

pid	process
1324	cmd.exe

Loads dropped DLL 2 IoCs

Processes:

905ea119ad8d3e54cd228c458a1b5681abc1f35df782977a23812ec4efa0288a.sample.exe

pid	process
1044	905ea119ad8d3e54cd228c458a1b5681abc1f35df782977a23812ec4efa0288a.sample.exe
1044	905ea119ad8d3e54cd228c458a1b5681abc1f35df782977a23812ec4efa0288a.sample.exe

Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

1660 takeown.exe
1700 icacls.exe

pid	process
1660	takeown.exe
1700	icacls.exe

Drops file in System32 directory 2 IoCs

Processes:

Options:binattrib.exe

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

1424 vssadmin.exe

pid	process
1424	vssadmin.exe

NTFS ADS 1 IoCs

Processes:

905ea119ad8d3e54cd228c458a1b5681abc1f35df782977a23812ec4efa0288a.sample.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Options:bin	905ea119ad8d3e54cd228c458a1b5681abc1f35df782977a23812ec4efa0288a.sample.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1788 vssvc.exe
Token: SeRestorePrivilege 1788 vssvc.exe
Token: SeAuditPrivilege 1788 vssvc.exe

description	pid	process
Token: SeBackupPrivilege	1788	vssvc.exe
Token: SeRestorePrivilege	1788	vssvc.exe
Token: SeAuditPrivilege	1788	vssvc.exe

Suspicious use of WriteProcessMemory 52 IoCs

Processes:

905ea119ad8d3e54cd228c458a1b5681abc1f35df782977a23812ec4efa0288a.sample.exeOptions:binOptions.execmd.execmd.execmd.exe

description	pid	process	target process
PID 1044 wrote to memory of 1272	1044	905ea119ad8d3e54cd228c458a1b5681abc1f35df782977a23812ec4efa0288a.sample.exe	Options:bin
PID 1044 wrote to memory of 1272	1044	905ea119ad8d3e54cd228c458a1b5681abc1f35df782977a23812ec4efa0288a.sample.exe	Options:bin
PID 1044 wrote to memory of 1272	1044	905ea119ad8d3e54cd228c458a1b5681abc1f35df782977a23812ec4efa0288a.sample.exe	Options:bin
PID 1044 wrote to memory of 1272	1044	905ea119ad8d3e54cd228c458a1b5681abc1f35df782977a23812ec4efa0288a.sample.exe	Options:bin
PID 1272 wrote to memory of 1424	1272	Options:bin	vssadmin.exe
PID 1272 wrote to memory of 1424	1272	Options:bin	vssadmin.exe
PID 1272 wrote to memory of 1424	1272	Options:bin	vssadmin.exe
PID 1272 wrote to memory of 1424	1272	Options:bin	vssadmin.exe
PID 1272 wrote to memory of 1660	1272	Options:bin	takeown.exe
PID 1272 wrote to memory of 1660	1272	Options:bin	takeown.exe
PID 1272 wrote to memory of 1660	1272	Options:bin	takeown.exe
PID 1272 wrote to memory of 1660	1272	Options:bin	takeown.exe
PID 1272 wrote to memory of 1700	1272	Options:bin	icacls.exe
PID 1272 wrote to memory of 1700	1272	Options:bin	icacls.exe
PID 1272 wrote to memory of 1700	1272	Options:bin	icacls.exe
PID 1272 wrote to memory of 1700	1272	Options:bin	icacls.exe
PID 752 wrote to memory of 1048	752	Options.exe	cmd.exe
PID 752 wrote to memory of 1048	752	Options.exe	cmd.exe
PID 752 wrote to memory of 1048	752	Options.exe	cmd.exe
PID 752 wrote to memory of 1048	752	Options.exe	cmd.exe
PID 1048 wrote to memory of 932	1048	cmd.exe	choice.exe
PID 1048 wrote to memory of 932	1048	cmd.exe	choice.exe
PID 1048 wrote to memory of 932	1048	cmd.exe	choice.exe
PID 1048 wrote to memory of 932	1048	cmd.exe	choice.exe
PID 1272 wrote to memory of 1820	1272	Options:bin	cmd.exe
PID 1272 wrote to memory of 1820	1272	Options:bin	cmd.exe
PID 1272 wrote to memory of 1820	1272	Options:bin	cmd.exe
PID 1272 wrote to memory of 1820	1272	Options:bin	cmd.exe
PID 1044 wrote to memory of 1324	1044	905ea119ad8d3e54cd228c458a1b5681abc1f35df782977a23812ec4efa0288a.sample.exe	cmd.exe
PID 1044 wrote to memory of 1324	1044	905ea119ad8d3e54cd228c458a1b5681abc1f35df782977a23812ec4efa0288a.sample.exe	cmd.exe
PID 1044 wrote to memory of 1324	1044	905ea119ad8d3e54cd228c458a1b5681abc1f35df782977a23812ec4efa0288a.sample.exe	cmd.exe
PID 1044 wrote to memory of 1324	1044	905ea119ad8d3e54cd228c458a1b5681abc1f35df782977a23812ec4efa0288a.sample.exe	cmd.exe
PID 1820 wrote to memory of 844	1820	cmd.exe	choice.exe
PID 1820 wrote to memory of 844	1820	cmd.exe	choice.exe
PID 1820 wrote to memory of 844	1820	cmd.exe	choice.exe
PID 1820 wrote to memory of 844	1820	cmd.exe	choice.exe
PID 1324 wrote to memory of 1712	1324	cmd.exe	choice.exe
PID 1324 wrote to memory of 1712	1324	cmd.exe	choice.exe
PID 1324 wrote to memory of 1712	1324	cmd.exe	choice.exe
PID 1324 wrote to memory of 1712	1324	cmd.exe	choice.exe
PID 1048 wrote to memory of 1348	1048	cmd.exe	attrib.exe
PID 1048 wrote to memory of 1348	1048	cmd.exe	attrib.exe
PID 1048 wrote to memory of 1348	1048	cmd.exe	attrib.exe
PID 1048 wrote to memory of 1348	1048	cmd.exe	attrib.exe
PID 1820 wrote to memory of 1692	1820	cmd.exe	attrib.exe
PID 1820 wrote to memory of 1692	1820	cmd.exe	attrib.exe
PID 1820 wrote to memory of 1692	1820	cmd.exe	attrib.exe
PID 1820 wrote to memory of 1692	1820	cmd.exe	attrib.exe
PID 1324 wrote to memory of 208	1324	cmd.exe	attrib.exe
PID 1324 wrote to memory of 208	1324	cmd.exe	attrib.exe
PID 1324 wrote to memory of 208	1324	cmd.exe	attrib.exe
PID 1324 wrote to memory of 208	1324	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

1348 attrib.exe
208 attrib.exe
1692 attrib.exe

pid	process
1348	attrib.exe
208	attrib.exe
1692	attrib.exe

C:\Users\Admin\AppData\Local\Temp\905ea119ad8d3e54cd228c458a1b5681abc1f35df782977a23812ec4efa0288a.sample.exe
"C:\Users\Admin\AppData\Local\Temp\905ea119ad8d3e54cd228c458a1b5681abc1f35df782977a23812ec4efa0288a.sample.exe"
1⤵
- Loads dropped DLL
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:1044

C:\Users\Admin\AppData\Roaming\Options:bin
C:\Users\Admin\AppData\Roaming\Options:bin -r
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1272

C:\Windows\system32\vssadmin.exe
C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
3⤵
- Interacts with shadow copies
PID:1424

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /F C:\Windows\system32\Options.exe
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1660

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe C:\Windows\system32\Options.exe /reset
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1700

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Roaming\Options" & del "C:\Users\Admin\AppData\Roaming\Options"
3⤵
- Suspicious use of WriteProcessMemory
PID:1820

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
4⤵
PID:844

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Roaming\Options"
4⤵
- Views/modifies file attributes
PID:1692

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Local\Temp\905ea119ad8d3e54cd228c458a1b5681abc1f35df782977a23812ec4efa0288a.sample.exe" & del "C:\Users\Admin\AppData\Local\Temp\905ea119ad8d3e54cd228c458a1b5681abc1f35df782977a23812ec4efa0288a.sample.exe"
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1324

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
3⤵
PID:1712

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Local\Temp\905ea119ad8d3e54cd228c458a1b5681abc1f35df782977a23812ec4efa0288a.sample.exe"
3⤵
- Views/modifies file attributes
PID:208

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1788

C:\Windows\SysWOW64\Options.exe
C:\Windows\SysWOW64\Options.exe -s
1⤵
- Executes dropped EXE
- Modifies extensions of user files
- Suspicious use of WriteProcessMemory
PID:752

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Windows\SysWOW64\Options.exe" & del "C:\Windows\SysWOW64\Options.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1048

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
3⤵
PID:932

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Windows\SysWOW64\Options.exe"
3⤵
- Drops file in System32 directory
- Views/modifies file attributes
PID:1348

Network

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\Options:bin
MD5
2cc4534b0dd0e1c8d5b89644274a10c1

SHA1
735ee2c15c0b7172f65d39f0fd33b9186ee69653

SHA256
905ea119ad8d3e54cd228c458a1b5681abc1f35df782977a23812ec4efa0288a

SHA512
a842b2d171aa6efa1b391d5d0f84663e78021b485555e2bf10a5e589d8652057f5abbd88e1a5ec628b714692ec5d63c3172894aa7846d5897e87d99dad67e2b8

Download Submit
C:\Users\Admin\AppData\Roaming\Options:bin
MD5
2cc4534b0dd0e1c8d5b89644274a10c1

SHA1
735ee2c15c0b7172f65d39f0fd33b9186ee69653

SHA256
905ea119ad8d3e54cd228c458a1b5681abc1f35df782977a23812ec4efa0288a

SHA512
a842b2d171aa6efa1b391d5d0f84663e78021b485555e2bf10a5e589d8652057f5abbd88e1a5ec628b714692ec5d63c3172894aa7846d5897e87d99dad67e2b8

Download Submit
C:\Windows\SysWOW64\Options.exe
MD5
2cc4534b0dd0e1c8d5b89644274a10c1

SHA1
735ee2c15c0b7172f65d39f0fd33b9186ee69653

SHA256
905ea119ad8d3e54cd228c458a1b5681abc1f35df782977a23812ec4efa0288a

SHA512
a842b2d171aa6efa1b391d5d0f84663e78021b485555e2bf10a5e589d8652057f5abbd88e1a5ec628b714692ec5d63c3172894aa7846d5897e87d99dad67e2b8

Download Submit
C:\Windows\SysWOW64\Options.exe
MD5
2cc4534b0dd0e1c8d5b89644274a10c1

SHA1
735ee2c15c0b7172f65d39f0fd33b9186ee69653

SHA256
905ea119ad8d3e54cd228c458a1b5681abc1f35df782977a23812ec4efa0288a

SHA512
a842b2d171aa6efa1b391d5d0f84663e78021b485555e2bf10a5e589d8652057f5abbd88e1a5ec628b714692ec5d63c3172894aa7846d5897e87d99dad67e2b8

Download Submit
\Users\Admin\AppData\Roaming\Options
MD5
cfc97f07904067a1e5fae195d534da3a

SHA1
2ae4ea1e2f2248a86f0dd25a1cbf828b5496fa79

SHA256
eb4d2d127312eb09e2acca3276779e80f90faf77322684babf72b8ec6e1f906c

SHA512
5703f93c4a6b14a2319110edb09f4792b9c8677231835df30f239703fd106d351c82de148b8d862a6e3d8363c4a89fae04630007a14b10cf59b72eee5f80e147

Download Submit
\Users\Admin\AppData\Roaming\Options
MD5
cfc97f07904067a1e5fae195d534da3a

SHA1
2ae4ea1e2f2248a86f0dd25a1cbf828b5496fa79

SHA256
eb4d2d127312eb09e2acca3276779e80f90faf77322684babf72b8ec6e1f906c

SHA512
5703f93c4a6b14a2319110edb09f4792b9c8677231835df30f239703fd106d351c82de148b8d862a6e3d8363c4a89fae04630007a14b10cf59b72eee5f80e147

Download Submit
memory/208-85-0x0000000000000000-mapping.dmp

Download
memory/752-76-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/844-81-0x0000000000000000-mapping.dmp

Download
memory/932-78-0x0000000000000000-mapping.dmp

Download
memory/1044-60-0x0000000075721000-0x0000000075723000-memory.dmp

Filesize
8KB

Download
memory/1044-62-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/1044-61-0x0000000000220000-0x0000000000230000-memory.dmp

Filesize
64KB

Download
memory/1048-77-0x0000000000000000-mapping.dmp

Download
memory/1272-69-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/1272-65-0x0000000000000000-mapping.dmp

Download
memory/1324-80-0x0000000000000000-mapping.dmp

Download
memory/1348-83-0x0000000000000000-mapping.dmp

Download
memory/1424-68-0x0000000000000000-mapping.dmp

Download
memory/1660-71-0x0000000000000000-mapping.dmp

Download
memory/1692-84-0x0000000000000000-mapping.dmp

Download
memory/1700-73-0x0000000000000000-mapping.dmp

Download
memory/1712-82-0x0000000000000000-mapping.dmp

Download
memory/1820-79-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads