wastedlocker | 0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821

General

Target

0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.sample.exe
Size

112KB
MD5

d01fc079881dc0d33a88e4f8df1ae7ce
SHA1

c40c8848808da12ef78c68de1e6477b862161a43
SHA256

0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821
SHA512

83bca79d1f0ac14c6d79685fd192964e7117e8c9c734036abddfdbb068c801ff38027a0812a2499e1d9e528a47af07150cafee27384b5a78b8fc32c23bd21130

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\Ubpm:bin	cryptone
C:\Users\Admin\AppData\Roaming\Ubpm:bin	cryptone
C:\Windows\SysWOW64\Ubpm.exe	cryptone
C:\Windows\SysWOW64\Ubpm.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:

Ubpm:binUbpm.exe

pid process

1980 Ubpm:bin
1520 Ubpm.exe

pid	process
1980	Ubpm:bin
1520	Ubpm.exe

Modifies extensions of user files 15 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

Ubpm.exe

description	ioc	process
File created	C:\Users\Admin\Pictures\ReceiveCompare.crw.tcwwasted_info	Ubpm.exe
File renamed	C:\Users\Admin\Pictures\UnblockSuspend.raw => C:\Users\Admin\Pictures\UnblockSuspend.raw.tcwwasted	Ubpm.exe
File opened for modification	C:\Users\Admin\Pictures\UnblockSuspend.raw.tcwwasted	Ubpm.exe
File renamed	C:\Users\Admin\Pictures\UnpublishSync.raw => C:\Users\Admin\Pictures\UnpublishSync.raw.tcwwasted	Ubpm.exe
File opened for modification	C:\Users\Admin\Pictures\UnpublishSync.raw.tcwwasted	Ubpm.exe
File renamed	C:\Users\Admin\Pictures\RenameHide.tiff => C:\Users\Admin\Pictures\RenameHide.tiff.tcwwasted	Ubpm.exe
File created	C:\Users\Admin\Pictures\SplitJoin.tif.tcwwasted_info	Ubpm.exe
File opened for modification	C:\Users\Admin\Pictures\SplitJoin.tif.tcwwasted	Ubpm.exe
File opened for modification	C:\Users\Admin\Pictures\ReceiveCompare.crw.tcwwasted	Ubpm.exe
File created	C:\Users\Admin\Pictures\RenameHide.tiff.tcwwasted_info	Ubpm.exe
File created	C:\Users\Admin\Pictures\UnblockSuspend.raw.tcwwasted_info	Ubpm.exe
File renamed	C:\Users\Admin\Pictures\ReceiveCompare.crw => C:\Users\Admin\Pictures\ReceiveCompare.crw.tcwwasted	Ubpm.exe
File opened for modification	C:\Users\Admin\Pictures\RenameHide.tiff.tcwwasted	Ubpm.exe
File renamed	C:\Users\Admin\Pictures\SplitJoin.tif => C:\Users\Admin\Pictures\SplitJoin.tif.tcwwasted	Ubpm.exe
File created	C:\Users\Admin\Pictures\UnpublishSync.raw.tcwwasted_info	Ubpm.exe

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

1248 takeown.exe
880 icacls.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1316 cmd.exe

pid	process
1248	takeown.exe
880	icacls.exe

pid	process
1316	cmd.exe

Loads dropped DLL 2 IoCs

Processes:

0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.sample.exe

pid	process
1688	0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.sample.exe
1688	0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.sample.exe

Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

1248 takeown.exe
880 icacls.exe

pid	process
1248	takeown.exe
880	icacls.exe

Drops file in System32 directory 2 IoCs

Processes:

Ubpm:binattrib.exe

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

1976 vssadmin.exe

pid	process
1976	vssadmin.exe

NTFS ADS 1 IoCs

Processes:

0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.sample.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Ubpm:bin	0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.sample.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1844 vssvc.exe
Token: SeRestorePrivilege 1844 vssvc.exe
Token: SeAuditPrivilege 1844 vssvc.exe

description	pid	process
Token: SeBackupPrivilege	1844	vssvc.exe
Token: SeRestorePrivilege	1844	vssvc.exe
Token: SeAuditPrivilege	1844	vssvc.exe

Suspicious use of WriteProcessMemory 52 IoCs

Processes:

0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.sample.exeUbpm:binUbpm.execmd.execmd.execmd.exe

description	pid	process	target process
PID 1688 wrote to memory of 1980	1688	0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.sample.exe	Ubpm:bin
PID 1688 wrote to memory of 1980	1688	0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.sample.exe	Ubpm:bin
PID 1688 wrote to memory of 1980	1688	0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.sample.exe	Ubpm:bin
PID 1688 wrote to memory of 1980	1688	0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.sample.exe	Ubpm:bin
PID 1980 wrote to memory of 1976	1980	Ubpm:bin	vssadmin.exe
PID 1980 wrote to memory of 1976	1980	Ubpm:bin	vssadmin.exe
PID 1980 wrote to memory of 1976	1980	Ubpm:bin	vssadmin.exe
PID 1980 wrote to memory of 1976	1980	Ubpm:bin	vssadmin.exe
PID 1980 wrote to memory of 1248	1980	Ubpm:bin	takeown.exe
PID 1980 wrote to memory of 1248	1980	Ubpm:bin	takeown.exe
PID 1980 wrote to memory of 1248	1980	Ubpm:bin	takeown.exe
PID 1980 wrote to memory of 1248	1980	Ubpm:bin	takeown.exe
PID 1980 wrote to memory of 880	1980	Ubpm:bin	icacls.exe
PID 1980 wrote to memory of 880	1980	Ubpm:bin	icacls.exe
PID 1980 wrote to memory of 880	1980	Ubpm:bin	icacls.exe
PID 1980 wrote to memory of 880	1980	Ubpm:bin	icacls.exe
PID 1520 wrote to memory of 1096	1520	Ubpm.exe	cmd.exe
PID 1520 wrote to memory of 1096	1520	Ubpm.exe	cmd.exe
PID 1520 wrote to memory of 1096	1520	Ubpm.exe	cmd.exe
PID 1520 wrote to memory of 1096	1520	Ubpm.exe	cmd.exe
PID 1096 wrote to memory of 1036	1096	cmd.exe	choice.exe
PID 1096 wrote to memory of 1036	1096	cmd.exe	choice.exe
PID 1096 wrote to memory of 1036	1096	cmd.exe	choice.exe
PID 1096 wrote to memory of 1036	1096	cmd.exe	choice.exe
PID 1980 wrote to memory of 1840	1980	Ubpm:bin	cmd.exe
PID 1980 wrote to memory of 1840	1980	Ubpm:bin	cmd.exe
PID 1980 wrote to memory of 1840	1980	Ubpm:bin	cmd.exe
PID 1980 wrote to memory of 1840	1980	Ubpm:bin	cmd.exe
PID 1688 wrote to memory of 1316	1688	0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.sample.exe	cmd.exe
PID 1688 wrote to memory of 1316	1688	0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.sample.exe	cmd.exe
PID 1688 wrote to memory of 1316	1688	0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.sample.exe	cmd.exe
PID 1688 wrote to memory of 1316	1688	0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.sample.exe	cmd.exe
PID 1840 wrote to memory of 1676	1840	cmd.exe	choice.exe
PID 1840 wrote to memory of 1676	1840	cmd.exe	choice.exe
PID 1840 wrote to memory of 1676	1840	cmd.exe	choice.exe
PID 1840 wrote to memory of 1676	1840	cmd.exe	choice.exe
PID 1316 wrote to memory of 732	1316	cmd.exe	choice.exe
PID 1316 wrote to memory of 732	1316	cmd.exe	choice.exe
PID 1316 wrote to memory of 732	1316	cmd.exe	choice.exe
PID 1316 wrote to memory of 732	1316	cmd.exe	choice.exe
PID 1096 wrote to memory of 2008	1096	cmd.exe	attrib.exe
PID 1096 wrote to memory of 2008	1096	cmd.exe	attrib.exe
PID 1096 wrote to memory of 2008	1096	cmd.exe	attrib.exe
PID 1096 wrote to memory of 2008	1096	cmd.exe	attrib.exe
PID 1840 wrote to memory of 1276	1840	cmd.exe	attrib.exe
PID 1840 wrote to memory of 1276	1840	cmd.exe	attrib.exe
PID 1840 wrote to memory of 1276	1840	cmd.exe	attrib.exe
PID 1840 wrote to memory of 1276	1840	cmd.exe	attrib.exe
PID 1316 wrote to memory of 204	1316	cmd.exe	attrib.exe
PID 1316 wrote to memory of 204	1316	cmd.exe	attrib.exe
PID 1316 wrote to memory of 204	1316	cmd.exe	attrib.exe
PID 1316 wrote to memory of 204	1316	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

2008 attrib.exe
1276 attrib.exe
204 attrib.exe

pid	process
2008	attrib.exe
1276	attrib.exe
204	attrib.exe

C:\Users\Admin\AppData\Local\Temp\0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.sample.exe
"C:\Users\Admin\AppData\Local\Temp\0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.sample.exe"
1⤵
- Loads dropped DLL
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:1688

C:\Users\Admin\AppData\Roaming\Ubpm:bin
C:\Users\Admin\AppData\Roaming\Ubpm:bin -r
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1980

C:\Windows\system32\vssadmin.exe
C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
3⤵
- Interacts with shadow copies
PID:1976

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /F C:\Windows\system32\Ubpm.exe
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1248

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe C:\Windows\system32\Ubpm.exe /reset
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:880

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Roaming\Ubpm" & del "C:\Users\Admin\AppData\Roaming\Ubpm"
3⤵
- Suspicious use of WriteProcessMemory
PID:1840

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
4⤵
PID:1676

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Roaming\Ubpm"
4⤵
- Views/modifies file attributes
PID:1276

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Local\Temp\0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.sample.exe" & del "C:\Users\Admin\AppData\Local\Temp\0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.sample.exe"
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1316

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
3⤵
PID:732

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Local\Temp\0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821.sample.exe"
3⤵
- Views/modifies file attributes
PID:204

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1844

C:\Windows\SysWOW64\Ubpm.exe
C:\Windows\SysWOW64\Ubpm.exe -s
1⤵
- Executes dropped EXE
- Modifies extensions of user files
- Suspicious use of WriteProcessMemory
PID:1520

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Windows\SysWOW64\Ubpm.exe" & del "C:\Windows\SysWOW64\Ubpm.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1096

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
3⤵
PID:1036

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Windows\SysWOW64\Ubpm.exe"
3⤵
- Drops file in System32 directory
- Views/modifies file attributes
PID:2008

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\Ubpm:bin
MD5
d01fc079881dc0d33a88e4f8df1ae7ce

SHA1
c40c8848808da12ef78c68de1e6477b862161a43

SHA256
0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821

SHA512
83bca79d1f0ac14c6d79685fd192964e7117e8c9c734036abddfdbb068c801ff38027a0812a2499e1d9e528a47af07150cafee27384b5a78b8fc32c23bd21130

Download Submit
C:\Users\Admin\AppData\Roaming\Ubpm:bin
MD5
d01fc079881dc0d33a88e4f8df1ae7ce

SHA1
c40c8848808da12ef78c68de1e6477b862161a43

SHA256
0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821

SHA512
83bca79d1f0ac14c6d79685fd192964e7117e8c9c734036abddfdbb068c801ff38027a0812a2499e1d9e528a47af07150cafee27384b5a78b8fc32c23bd21130

Download Submit
C:\Windows\SysWOW64\Ubpm.exe
MD5
d01fc079881dc0d33a88e4f8df1ae7ce

SHA1
c40c8848808da12ef78c68de1e6477b862161a43

SHA256
0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821

SHA512
83bca79d1f0ac14c6d79685fd192964e7117e8c9c734036abddfdbb068c801ff38027a0812a2499e1d9e528a47af07150cafee27384b5a78b8fc32c23bd21130

Download Submit
C:\Windows\SysWOW64\Ubpm.exe
MD5
d01fc079881dc0d33a88e4f8df1ae7ce

SHA1
c40c8848808da12ef78c68de1e6477b862161a43

SHA256
0e061255b12ade5dc10f4ad9aeca9ebe5496d28ed251acb376c66c1d9f405821

SHA512
83bca79d1f0ac14c6d79685fd192964e7117e8c9c734036abddfdbb068c801ff38027a0812a2499e1d9e528a47af07150cafee27384b5a78b8fc32c23bd21130

Download Submit
\Users\Admin\AppData\Roaming\Ubpm
MD5
a8d0adf0d8c660b8108ab30b925bbd41

SHA1
e004730e76c1c80315d09bb2a86b768d2b0edf51

SHA256
ef9ce8a463928e8906d5250da35549d1da7c5d7082054be31aa55ead4dd58f54

SHA512
5d69b91b87bf37a19700092a28f29c14d32877d73423246385644e45ea0316d6fc175e9a29b33aa667f3594aabf3d7054368d499e63901adf60a264c0d4a3ab2

Download Submit
\Users\Admin\AppData\Roaming\Ubpm
MD5
a8d0adf0d8c660b8108ab30b925bbd41

SHA1
e004730e76c1c80315d09bb2a86b768d2b0edf51

SHA256
ef9ce8a463928e8906d5250da35549d1da7c5d7082054be31aa55ead4dd58f54

SHA512
5d69b91b87bf37a19700092a28f29c14d32877d73423246385644e45ea0316d6fc175e9a29b33aa667f3594aabf3d7054368d499e63901adf60a264c0d4a3ab2

Download Submit
memory/204-85-0x0000000000000000-mapping.dmp

Download
memory/732-82-0x0000000000000000-mapping.dmp

Download
memory/880-73-0x0000000000000000-mapping.dmp

Download
memory/1036-78-0x0000000000000000-mapping.dmp

Download
memory/1096-77-0x0000000000000000-mapping.dmp

Download
memory/1248-71-0x0000000000000000-mapping.dmp

Download
memory/1276-84-0x0000000000000000-mapping.dmp

Download
memory/1316-80-0x0000000000000000-mapping.dmp

Download
memory/1520-76-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1676-81-0x0000000000000000-mapping.dmp

Download
memory/1688-60-0x0000000075011000-0x0000000075013000-memory.dmp

Filesize
8KB

Download
memory/1688-62-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1688-61-0x0000000000220000-0x0000000000232000-memory.dmp

Filesize
72KB

Download
memory/1840-79-0x0000000000000000-mapping.dmp

Download
memory/1976-68-0x0000000000000000-mapping.dmp

Download
memory/1980-65-0x0000000000000000-mapping.dmp

Download
memory/1980-69-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2008-83-0x0000000000000000-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