wastedlocker | db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2

General

Target

db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.bin.exe
Size

1.2MB
MD5

82d841869e912a772413bb37f30307b0
SHA1

b75ab0170c1206c345d2fb82506e816098328ee8
SHA256

db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2
SHA512

48078796a9aa03e685bebd14539586c099f30c3a1e18639d4acb810dc3bbb0dc14b09066797e79c34dcd91a120b08537aadf228585e226101384ade3fe2252c6

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

Extension:binExtension.exe

pid process

2020 Extension:bin
1676 Extension.exe

pid	process
2020	Extension:bin
1676	Extension.exe

Modifies extensions of user files 21 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

Extension.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Pictures\UndoBackup.png.seccrypt	Extension.exe
File created	C:\Users\Admin\Pictures\UnlockSuspend.tif.howto_seccrypt	Extension.exe
File created	C:\Users\Admin\Pictures\RedoPublish.crw.howto_seccrypt	Extension.exe
File opened for modification	C:\Users\Admin\Pictures\RedoPublish.crw.seccrypt	Extension.exe
File renamed	C:\Users\Admin\Pictures\ResumeHide.crw => C:\Users\Admin\Pictures\ResumeHide.crw.seccrypt	Extension.exe
File created	C:\Users\Admin\Pictures\UndoBackup.png.howto_seccrypt	Extension.exe
File created	C:\Users\Admin\Pictures\ResumeHide.crw.howto_seccrypt	Extension.exe
File opened for modification	C:\Users\Admin\Pictures\ResizeDisable.png.seccrypt	Extension.exe
File created	C:\Users\Admin\Pictures\CloseNew.crw.howto_seccrypt	Extension.exe
File renamed	C:\Users\Admin\Pictures\CloseNew.crw => C:\Users\Admin\Pictures\CloseNew.crw.seccrypt	Extension.exe
File renamed	C:\Users\Admin\Pictures\ExitSet.tiff => C:\Users\Admin\Pictures\ExitSet.tiff.seccrypt	Extension.exe
File created	C:\Users\Admin\Pictures\ResizeDisable.png.howto_seccrypt	Extension.exe
File created	C:\Users\Admin\Pictures\ExitSet.tiff.howto_seccrypt	Extension.exe
File renamed	C:\Users\Admin\Pictures\ResizeDisable.png => C:\Users\Admin\Pictures\ResizeDisable.png.seccrypt	Extension.exe
File renamed	C:\Users\Admin\Pictures\UndoBackup.png => C:\Users\Admin\Pictures\UndoBackup.png.seccrypt	Extension.exe
File renamed	C:\Users\Admin\Pictures\UnlockSuspend.tif => C:\Users\Admin\Pictures\UnlockSuspend.tif.seccrypt	Extension.exe
File opened for modification	C:\Users\Admin\Pictures\UnlockSuspend.tif.seccrypt	Extension.exe
File opened for modification	C:\Users\Admin\Pictures\CloseNew.crw.seccrypt	Extension.exe
File opened for modification	C:\Users\Admin\Pictures\ExitSet.tiff.seccrypt	Extension.exe
File renamed	C:\Users\Admin\Pictures\RedoPublish.crw => C:\Users\Admin\Pictures\RedoPublish.crw.seccrypt	Extension.exe
File opened for modification	C:\Users\Admin\Pictures\ResumeHide.crw.seccrypt	Extension.exe

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

1568 takeown.exe
1524 icacls.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

340 cmd.exe

pid	process
1568	takeown.exe
1524	icacls.exe

pid	process
340	cmd.exe

Loads dropped DLL 2 IoCs

Processes:

db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.bin.exe

pid	process
792	db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.bin.exe
792	db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.bin.exe

Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

1568 takeown.exe
1524 icacls.exe

pid	process
1568	takeown.exe
1524	icacls.exe

Drops file in System32 directory 2 IoCs

Processes:

Extension:binattrib.exe

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

2000 vssadmin.exe

pid	process
2000	vssadmin.exe

NTFS ADS 1 IoCs

Processes:

db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.bin.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Extension:bin	db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.bin.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1800 vssvc.exe
Token: SeRestorePrivilege 1800 vssvc.exe
Token: SeAuditPrivilege 1800 vssvc.exe

description	pid	process
Token: SeBackupPrivilege	1800	vssvc.exe
Token: SeRestorePrivilege	1800	vssvc.exe
Token: SeAuditPrivilege	1800	vssvc.exe

Suspicious use of WriteProcessMemory 52 IoCs

Processes:

db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.bin.exeExtension:binExtension.execmd.execmd.execmd.exe

description	pid	process	target process
PID 792 wrote to memory of 2020	792	db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.bin.exe	Extension:bin
PID 792 wrote to memory of 2020	792	db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.bin.exe	Extension:bin
PID 792 wrote to memory of 2020	792	db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.bin.exe	Extension:bin
PID 792 wrote to memory of 2020	792	db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.bin.exe	Extension:bin
PID 2020 wrote to memory of 2000	2020	Extension:bin	vssadmin.exe
PID 2020 wrote to memory of 2000	2020	Extension:bin	vssadmin.exe
PID 2020 wrote to memory of 2000	2020	Extension:bin	vssadmin.exe
PID 2020 wrote to memory of 2000	2020	Extension:bin	vssadmin.exe
PID 2020 wrote to memory of 1568	2020	Extension:bin	takeown.exe
PID 2020 wrote to memory of 1568	2020	Extension:bin	takeown.exe
PID 2020 wrote to memory of 1568	2020	Extension:bin	takeown.exe
PID 2020 wrote to memory of 1568	2020	Extension:bin	takeown.exe
PID 2020 wrote to memory of 1524	2020	Extension:bin	icacls.exe
PID 2020 wrote to memory of 1524	2020	Extension:bin	icacls.exe
PID 2020 wrote to memory of 1524	2020	Extension:bin	icacls.exe
PID 2020 wrote to memory of 1524	2020	Extension:bin	icacls.exe
PID 1676 wrote to memory of 300	1676	Extension.exe	cmd.exe
PID 1676 wrote to memory of 300	1676	Extension.exe	cmd.exe
PID 1676 wrote to memory of 300	1676	Extension.exe	cmd.exe
PID 1676 wrote to memory of 300	1676	Extension.exe	cmd.exe
PID 300 wrote to memory of 936	300	cmd.exe	choice.exe
PID 300 wrote to memory of 936	300	cmd.exe	choice.exe
PID 300 wrote to memory of 936	300	cmd.exe	choice.exe
PID 300 wrote to memory of 936	300	cmd.exe	choice.exe
PID 2020 wrote to memory of 968	2020	Extension:bin	cmd.exe
PID 2020 wrote to memory of 968	2020	Extension:bin	cmd.exe
PID 2020 wrote to memory of 968	2020	Extension:bin	cmd.exe
PID 2020 wrote to memory of 968	2020	Extension:bin	cmd.exe
PID 792 wrote to memory of 340	792	db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.bin.exe	cmd.exe
PID 792 wrote to memory of 340	792	db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.bin.exe	cmd.exe
PID 792 wrote to memory of 340	792	db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.bin.exe	cmd.exe
PID 792 wrote to memory of 340	792	db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.bin.exe	cmd.exe
PID 968 wrote to memory of 1108	968	cmd.exe	choice.exe
PID 968 wrote to memory of 1108	968	cmd.exe	choice.exe
PID 968 wrote to memory of 1108	968	cmd.exe	choice.exe
PID 968 wrote to memory of 1108	968	cmd.exe	choice.exe
PID 340 wrote to memory of 112	340	cmd.exe	choice.exe
PID 340 wrote to memory of 112	340	cmd.exe	choice.exe
PID 340 wrote to memory of 112	340	cmd.exe	choice.exe
PID 340 wrote to memory of 112	340	cmd.exe	choice.exe
PID 300 wrote to memory of 1340	300	cmd.exe	attrib.exe
PID 300 wrote to memory of 1340	300	cmd.exe	attrib.exe
PID 300 wrote to memory of 1340	300	cmd.exe	attrib.exe
PID 300 wrote to memory of 1340	300	cmd.exe	attrib.exe
PID 968 wrote to memory of 896	968	cmd.exe	attrib.exe
PID 968 wrote to memory of 896	968	cmd.exe	attrib.exe
PID 968 wrote to memory of 896	968	cmd.exe	attrib.exe
PID 968 wrote to memory of 896	968	cmd.exe	attrib.exe
PID 340 wrote to memory of 204	340	cmd.exe	attrib.exe
PID 340 wrote to memory of 204	340	cmd.exe	attrib.exe
PID 340 wrote to memory of 204	340	cmd.exe	attrib.exe
PID 340 wrote to memory of 204	340	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

1340 attrib.exe
896 attrib.exe
204 attrib.exe

pid	process
1340	attrib.exe
896	attrib.exe
204	attrib.exe

C:\Users\Admin\AppData\Local\Temp\db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.bin.exe
"C:\Users\Admin\AppData\Local\Temp\db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.bin.exe"
1⤵
- Loads dropped DLL
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:792

C:\Users\Admin\AppData\Roaming\Extension:bin
C:\Users\Admin\AppData\Roaming\Extension:bin -r
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2020

C:\Windows\system32\vssadmin.exe
C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
3⤵
- Interacts with shadow copies
PID:2000

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /F C:\Windows\system32\Extension.exe
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1568

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe C:\Windows\system32\Extension.exe /reset
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1524

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Roaming\Extension" & del "C:\Users\Admin\AppData\Roaming\Extension"
3⤵
- Suspicious use of WriteProcessMemory
PID:968

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
4⤵
PID:1108

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Roaming\Extension"
4⤵
- Views/modifies file attributes
PID:896

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Local\Temp\db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.bin.exe" & del "C:\Users\Admin\AppData\Local\Temp\db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.bin.exe"
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:340

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
3⤵
PID:112

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Local\Temp\db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.bin.exe"
3⤵
- Views/modifies file attributes
PID:204

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1800

C:\Windows\SysWOW64\Extension.exe
C:\Windows\SysWOW64\Extension.exe -s
1⤵
- Executes dropped EXE
- Modifies extensions of user files
- Suspicious use of WriteProcessMemory
PID:1676

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Windows\SysWOW64\Extension.exe" & del "C:\Windows\SysWOW64\Extension.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:300

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
3⤵
PID:936

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Windows\SysWOW64\Extension.exe"
3⤵
- Drops file in System32 directory
- Views/modifies file attributes
PID:1340

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\Extension:bin
MD5
82d841869e912a772413bb37f30307b0

SHA1
b75ab0170c1206c345d2fb82506e816098328ee8

SHA256
db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2

SHA512
48078796a9aa03e685bebd14539586c099f30c3a1e18639d4acb810dc3bbb0dc14b09066797e79c34dcd91a120b08537aadf228585e226101384ade3fe2252c6

Download Submit
C:\Users\Admin\AppData\Roaming\Extension:bin
MD5
82d841869e912a772413bb37f30307b0

SHA1
b75ab0170c1206c345d2fb82506e816098328ee8

SHA256
db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2

SHA512
48078796a9aa03e685bebd14539586c099f30c3a1e18639d4acb810dc3bbb0dc14b09066797e79c34dcd91a120b08537aadf228585e226101384ade3fe2252c6

Download Submit
C:\Windows\SysWOW64\Extension.exe
MD5
82d841869e912a772413bb37f30307b0

SHA1
b75ab0170c1206c345d2fb82506e816098328ee8

SHA256
db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2

SHA512
48078796a9aa03e685bebd14539586c099f30c3a1e18639d4acb810dc3bbb0dc14b09066797e79c34dcd91a120b08537aadf228585e226101384ade3fe2252c6

Download Submit
C:\Windows\SysWOW64\Extension.exe
MD5
82d841869e912a772413bb37f30307b0

SHA1
b75ab0170c1206c345d2fb82506e816098328ee8

SHA256
db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2

SHA512
48078796a9aa03e685bebd14539586c099f30c3a1e18639d4acb810dc3bbb0dc14b09066797e79c34dcd91a120b08537aadf228585e226101384ade3fe2252c6

Download Submit
\Users\Admin\AppData\Roaming\Extension
MD5
00263ca2071dc9a6ee577eb356b0d1d9

SHA1
7b1ff39621d704665f392cb19171b8337e042d7d

SHA256
ae11b4cd277731ba5d218a2fdb22d19ea5f2780256bc481e86acbd8ed4ccf1c4

SHA512
4ef88263199df3540b629b22e1a3d700a19da2d8db8cd393fd2819457d094c27cd073467b4dc06c3f2eeb15e443f53f453a111aea76885dd16302cf8e26a353d

Download Submit
\Users\Admin\AppData\Roaming\Extension
MD5
00263ca2071dc9a6ee577eb356b0d1d9

SHA1
7b1ff39621d704665f392cb19171b8337e042d7d

SHA256
ae11b4cd277731ba5d218a2fdb22d19ea5f2780256bc481e86acbd8ed4ccf1c4

SHA512
4ef88263199df3540b629b22e1a3d700a19da2d8db8cd393fd2819457d094c27cd073467b4dc06c3f2eeb15e443f53f453a111aea76885dd16302cf8e26a353d

Download Submit
memory/112-26-0x0000000000000000-mapping.dmp

Download
memory/204-29-0x0000000000000000-mapping.dmp

Download
memory/300-21-0x0000000000000000-mapping.dmp

Download
memory/340-24-0x0000000000000000-mapping.dmp

Download
memory/792-8-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/792-7-0x0000000000220000-0x0000000000230000-memory.dmp

Filesize
64KB

Download
memory/792-2-0x00000000765E1000-0x00000000765E3000-memory.dmp

Filesize
8KB

Download
memory/896-28-0x0000000000000000-mapping.dmp

Download
memory/936-22-0x0000000000000000-mapping.dmp

Download
memory/968-23-0x0000000000000000-mapping.dmp

Download
memory/1108-25-0x0000000000000000-mapping.dmp

Download
memory/1340-27-0x0000000000000000-mapping.dmp

Download
memory/1524-16-0x0000000000000000-mapping.dmp

Download
memory/1568-14-0x0000000000000000-mapping.dmp

Download
memory/2000-11-0x0000000000000000-mapping.dmp

Download
memory/2020-5-0x0000000000000000-mapping.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads