wastedlocker | db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2

General

Target

db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.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\Security:bin	cryptone
C:\Users\Admin\AppData\Roaming\Security:bin	cryptone
C:\Windows\SysWOW64\Security.exe	cryptone
C:\Windows\SysWOW64\Security.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:

Security:binSecurity.exe

pid process

2664 Security:bin
4008 Security.exe

pid	process
2664	Security:bin
4008	Security.exe

Modifies extensions of user files 9 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

Security.exe

description	ioc	process
File created	C:\Users\Admin\Pictures\MergeConvertTo.png.howto_seccrypt	Security.exe
File renamed	C:\Users\Admin\Pictures\MergeConvertTo.png => C:\Users\Admin\Pictures\MergeConvertTo.png.seccrypt	Security.exe
File opened for modification	C:\Users\Admin\Pictures\MergeConvertTo.png.seccrypt	Security.exe
File renamed	C:\Users\Admin\Pictures\UninstallSet.tiff => C:\Users\Admin\Pictures\UninstallSet.tiff.seccrypt	Security.exe
File created	C:\Users\Admin\Pictures\UninstallSet.tiff.howto_seccrypt	Security.exe
File opened for modification	C:\Users\Admin\Pictures\UninstallSet.tiff.seccrypt	Security.exe
File created	C:\Users\Admin\Pictures\UpdateResolve.crw.howto_seccrypt	Security.exe
File renamed	C:\Users\Admin\Pictures\UpdateResolve.crw => C:\Users\Admin\Pictures\UpdateResolve.crw.seccrypt	Security.exe
File opened for modification	C:\Users\Admin\Pictures\UpdateResolve.crw.seccrypt	Security.exe

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

1928 takeown.exe
2492 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

1928 takeown.exe
2492 icacls.exe

pid	process
1928	takeown.exe
2492	icacls.exe

pid	process
1928	takeown.exe
2492	icacls.exe

Drops file in System32 directory 2 IoCs

Processes:

Security:binattrib.exe

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

3656 vssadmin.exe

pid	process
3656	vssadmin.exe

NTFS ADS 1 IoCs

Processes:

db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exe

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

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 3076 vssvc.exe
Token: SeRestorePrivilege 3076 vssvc.exe
Token: SeAuditPrivilege 3076 vssvc.exe

description	pid	process
Token: SeBackupPrivilege	3076	vssvc.exe
Token: SeRestorePrivilege	3076	vssvc.exe
Token: SeAuditPrivilege	3076	vssvc.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exeSecurity:binSecurity.execmd.execmd.execmd.exe

description	pid	process	target process
PID 508 wrote to memory of 2664	508	db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exe	Security:bin
PID 508 wrote to memory of 2664	508	db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exe	Security:bin
PID 508 wrote to memory of 2664	508	db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exe	Security:bin
PID 2664 wrote to memory of 3656	2664	Security:bin	vssadmin.exe
PID 2664 wrote to memory of 3656	2664	Security:bin	vssadmin.exe
PID 2664 wrote to memory of 1928	2664	Security:bin	takeown.exe
PID 2664 wrote to memory of 1928	2664	Security:bin	takeown.exe
PID 2664 wrote to memory of 1928	2664	Security:bin	takeown.exe
PID 2664 wrote to memory of 2492	2664	Security:bin	icacls.exe
PID 2664 wrote to memory of 2492	2664	Security:bin	icacls.exe
PID 2664 wrote to memory of 2492	2664	Security:bin	icacls.exe
PID 4008 wrote to memory of 3880	4008	Security.exe	cmd.exe
PID 4008 wrote to memory of 3880	4008	Security.exe	cmd.exe
PID 4008 wrote to memory of 3880	4008	Security.exe	cmd.exe
PID 3880 wrote to memory of 2152	3880	cmd.exe	choice.exe
PID 3880 wrote to memory of 2152	3880	cmd.exe	choice.exe
PID 3880 wrote to memory of 2152	3880	cmd.exe	choice.exe
PID 2664 wrote to memory of 2228	2664	Security:bin	cmd.exe
PID 2664 wrote to memory of 2228	2664	Security:bin	cmd.exe
PID 2664 wrote to memory of 2228	2664	Security:bin	cmd.exe
PID 508 wrote to memory of 3008	508	db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exe	cmd.exe
PID 508 wrote to memory of 3008	508	db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exe	cmd.exe
PID 508 wrote to memory of 3008	508	db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exe	cmd.exe
PID 2228 wrote to memory of 2272	2228	cmd.exe	choice.exe
PID 2228 wrote to memory of 2272	2228	cmd.exe	choice.exe
PID 2228 wrote to memory of 2272	2228	cmd.exe	choice.exe
PID 3008 wrote to memory of 264	3008	cmd.exe	choice.exe
PID 3008 wrote to memory of 264	3008	cmd.exe	choice.exe
PID 3008 wrote to memory of 264	3008	cmd.exe	choice.exe
PID 3880 wrote to memory of 1280	3880	cmd.exe	attrib.exe
PID 3880 wrote to memory of 1280	3880	cmd.exe	attrib.exe
PID 3880 wrote to memory of 1280	3880	cmd.exe	attrib.exe
PID 2228 wrote to memory of 1312	2228	cmd.exe	attrib.exe
PID 2228 wrote to memory of 1312	2228	cmd.exe	attrib.exe
PID 2228 wrote to memory of 1312	2228	cmd.exe	attrib.exe
PID 3008 wrote to memory of 3056	3008	cmd.exe	attrib.exe
PID 3008 wrote to memory of 3056	3008	cmd.exe	attrib.exe
PID 3008 wrote to memory of 3056	3008	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

1280 attrib.exe
1312 attrib.exe
3056 attrib.exe

pid	process
1280	attrib.exe
1312	attrib.exe
3056	attrib.exe

C:\Users\Admin\AppData\Local\Temp\db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exe
"C:\Users\Admin\AppData\Local\Temp\db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exe"
1⤵
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:508

C:\Users\Admin\AppData\Roaming\Security:bin
C:\Users\Admin\AppData\Roaming\Security:bin -r
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2664

C:\Windows\system32\vssadmin.exe
C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
3⤵
- Interacts with shadow copies
PID:3656

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /F C:\Windows\system32\Security.exe
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1928

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe C:\Windows\system32\Security.exe /reset
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:2492

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Roaming\Security" & del "C:\Users\Admin\AppData\Roaming\Security"
3⤵
- Suspicious use of WriteProcessMemory
PID:2228

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
4⤵
PID:2272

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Roaming\Security"
4⤵
- Views/modifies file attributes
PID:1312

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Local\Temp\db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exe" & del "C:\Users\Admin\AppData\Local\Temp\db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3008

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
3⤵
PID:264

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Local\Temp\db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exe"
3⤵
- Views/modifies file attributes
PID:3056

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3076

C:\Windows\SysWOW64\Security.exe
C:\Windows\SysWOW64\Security.exe -s
1⤵
- Executes dropped EXE
- Modifies extensions of user files
- Suspicious use of WriteProcessMemory
PID:4008

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /t 10 /d y & attrib -h "C:\Windows\SysWOW64\Security.exe" & del "C:\Windows\SysWOW64\Security.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3880

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
3⤵
PID:2152

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Windows\SysWOW64\Security.exe"
3⤵
- Drops file in System32 directory
- Views/modifies file attributes
PID:1280

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\Security:bin
MD5
82d841869e912a772413bb37f30307b0

SHA1
b75ab0170c1206c345d2fb82506e816098328ee8

SHA256
db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2

SHA512
48078796a9aa03e685bebd14539586c099f30c3a1e18639d4acb810dc3bbb0dc14b09066797e79c34dcd91a120b08537aadf228585e226101384ade3fe2252c6

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

SHA1
b75ab0170c1206c345d2fb82506e816098328ee8

SHA256
db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2

SHA512
48078796a9aa03e685bebd14539586c099f30c3a1e18639d4acb810dc3bbb0dc14b09066797e79c34dcd91a120b08537aadf228585e226101384ade3fe2252c6

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

SHA1
b75ab0170c1206c345d2fb82506e816098328ee8

SHA256
db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2

SHA512
48078796a9aa03e685bebd14539586c099f30c3a1e18639d4acb810dc3bbb0dc14b09066797e79c34dcd91a120b08537aadf228585e226101384ade3fe2252c6

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

SHA1
b75ab0170c1206c345d2fb82506e816098328ee8

SHA256
db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2

SHA512
48078796a9aa03e685bebd14539586c099f30c3a1e18639d4acb810dc3bbb0dc14b09066797e79c34dcd91a120b08537aadf228585e226101384ade3fe2252c6

Download Submit
memory/264-21-0x0000000000000000-mapping.dmp

Download
memory/508-3-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/508-2-0x00000000001E0000-0x00000000001F0000-memory.dmp

Filesize
64KB

Download
memory/1280-22-0x0000000000000000-mapping.dmp

Download
memory/1312-23-0x0000000000000000-mapping.dmp

Download
memory/1928-10-0x0000000000000000-mapping.dmp

Download
memory/2152-17-0x0000000000000000-mapping.dmp

Download
memory/2228-18-0x0000000000000000-mapping.dmp

Download
memory/2272-20-0x0000000000000000-mapping.dmp

Download
memory/2492-12-0x0000000000000000-mapping.dmp

Download
memory/2664-4-0x0000000000000000-mapping.dmp

Download
memory/3008-19-0x0000000000000000-mapping.dmp

Download
memory/3056-24-0x0000000000000000-mapping.dmp

Download
memory/3656-7-0x0000000000000000-mapping.dmp

Download
memory/3880-16-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads