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\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

1284 Ubpm:bin
1844 Ubpm.exe

pid	process
1284	Ubpm:bin
1844	Ubpm.exe

Modifies extensions of user files 21 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

Ubpm.exe

description	ioc	process
File created	C:\Users\Admin\Pictures\RevokeRepair.crw.howto_seccrypt	Ubpm.exe
File opened for modification	C:\Users\Admin\Pictures\ConvertToResume.raw.seccrypt	Ubpm.exe
File created	C:\Users\Admin\Pictures\OptimizeMerge.tiff.howto_seccrypt	Ubpm.exe
File renamed	C:\Users\Admin\Pictures\OptimizeMerge.tiff => C:\Users\Admin\Pictures\OptimizeMerge.tiff.seccrypt	Ubpm.exe
File opened for modification	C:\Users\Admin\Pictures\OptimizeMerge.tiff.seccrypt	Ubpm.exe
File created	C:\Users\Admin\Pictures\RequestTest.raw.howto_seccrypt	Ubpm.exe
File opened for modification	C:\Users\Admin\Pictures\RequestTest.raw.seccrypt	Ubpm.exe
File opened for modification	C:\Users\Admin\Pictures\EnterWatch.crw.seccrypt	Ubpm.exe
File renamed	C:\Users\Admin\Pictures\RequestTest.raw => C:\Users\Admin\Pictures\RequestTest.raw.seccrypt	Ubpm.exe
File opened for modification	C:\Users\Admin\Pictures\RevokeRepair.crw.seccrypt	Ubpm.exe
File created	C:\Users\Admin\Pictures\StartJoin.png.howto_seccrypt	Ubpm.exe
File renamed	C:\Users\Admin\Pictures\RevokeRepair.crw => C:\Users\Admin\Pictures\RevokeRepair.crw.seccrypt	Ubpm.exe
File renamed	C:\Users\Admin\Pictures\StartJoin.png => C:\Users\Admin\Pictures\StartJoin.png.seccrypt	Ubpm.exe
File created	C:\Users\Admin\Pictures\UndoOptimize.tiff.howto_seccrypt	Ubpm.exe
File renamed	C:\Users\Admin\Pictures\UndoOptimize.tiff => C:\Users\Admin\Pictures\UndoOptimize.tiff.seccrypt	Ubpm.exe
File created	C:\Users\Admin\Pictures\ConvertToResume.raw.howto_seccrypt	Ubpm.exe
File renamed	C:\Users\Admin\Pictures\ConvertToResume.raw => C:\Users\Admin\Pictures\ConvertToResume.raw.seccrypt	Ubpm.exe
File created	C:\Users\Admin\Pictures\EnterWatch.crw.howto_seccrypt	Ubpm.exe
File renamed	C:\Users\Admin\Pictures\EnterWatch.crw => C:\Users\Admin\Pictures\EnterWatch.crw.seccrypt	Ubpm.exe
File opened for modification	C:\Users\Admin\Pictures\StartJoin.png.seccrypt	Ubpm.exe
File opened for modification	C:\Users\Admin\Pictures\UndoOptimize.tiff.seccrypt	Ubpm.exe

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

800 takeown.exe
1816 icacls.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1916 cmd.exe

pid	process
800	takeown.exe
1816	icacls.exe

pid	process
1916	cmd.exe

Loads dropped DLL 2 IoCs

Processes:

db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exe

pid	process
1968	db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exe
1968	db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exe

Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

800 takeown.exe
1816 icacls.exe

pid	process
800	takeown.exe
1816	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

1612 vssadmin.exe

pid	process
1612	vssadmin.exe

NTFS ADS 1 IoCs

Processes:

db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exe

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

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1652 vssvc.exe
Token: SeRestorePrivilege 1652 vssvc.exe
Token: SeAuditPrivilege 1652 vssvc.exe

description	pid	process
Token: SeBackupPrivilege	1652	vssvc.exe
Token: SeRestorePrivilege	1652	vssvc.exe
Token: SeAuditPrivilege	1652	vssvc.exe

Suspicious use of WriteProcessMemory 52 IoCs

Processes:

db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exeUbpm:binUbpm.execmd.execmd.execmd.exe

description	pid	process	target process
PID 1968 wrote to memory of 1284	1968	db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exe	Ubpm:bin
PID 1968 wrote to memory of 1284	1968	db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exe	Ubpm:bin
PID 1968 wrote to memory of 1284	1968	db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exe	Ubpm:bin
PID 1968 wrote to memory of 1284	1968	db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exe	Ubpm:bin
PID 1284 wrote to memory of 1612	1284	Ubpm:bin	vssadmin.exe
PID 1284 wrote to memory of 1612	1284	Ubpm:bin	vssadmin.exe
PID 1284 wrote to memory of 1612	1284	Ubpm:bin	vssadmin.exe
PID 1284 wrote to memory of 1612	1284	Ubpm:bin	vssadmin.exe
PID 1284 wrote to memory of 800	1284	Ubpm:bin	takeown.exe
PID 1284 wrote to memory of 800	1284	Ubpm:bin	takeown.exe
PID 1284 wrote to memory of 800	1284	Ubpm:bin	takeown.exe
PID 1284 wrote to memory of 800	1284	Ubpm:bin	takeown.exe
PID 1284 wrote to memory of 1816	1284	Ubpm:bin	icacls.exe
PID 1284 wrote to memory of 1816	1284	Ubpm:bin	icacls.exe
PID 1284 wrote to memory of 1816	1284	Ubpm:bin	icacls.exe
PID 1284 wrote to memory of 1816	1284	Ubpm:bin	icacls.exe
PID 1844 wrote to memory of 436	1844	Ubpm.exe	cmd.exe
PID 1844 wrote to memory of 436	1844	Ubpm.exe	cmd.exe
PID 1844 wrote to memory of 436	1844	Ubpm.exe	cmd.exe
PID 1844 wrote to memory of 436	1844	Ubpm.exe	cmd.exe
PID 436 wrote to memory of 1528	436	cmd.exe	choice.exe
PID 436 wrote to memory of 1528	436	cmd.exe	choice.exe
PID 436 wrote to memory of 1528	436	cmd.exe	choice.exe
PID 436 wrote to memory of 1528	436	cmd.exe	choice.exe
PID 1284 wrote to memory of 1452	1284	Ubpm:bin	cmd.exe
PID 1284 wrote to memory of 1452	1284	Ubpm:bin	cmd.exe
PID 1284 wrote to memory of 1452	1284	Ubpm:bin	cmd.exe
PID 1284 wrote to memory of 1452	1284	Ubpm:bin	cmd.exe
PID 1968 wrote to memory of 1916	1968	db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exe	cmd.exe
PID 1968 wrote to memory of 1916	1968	db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exe	cmd.exe
PID 1968 wrote to memory of 1916	1968	db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exe	cmd.exe
PID 1968 wrote to memory of 1916	1968	db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exe	cmd.exe
PID 1452 wrote to memory of 1240	1452	cmd.exe	choice.exe
PID 1452 wrote to memory of 1240	1452	cmd.exe	choice.exe
PID 1452 wrote to memory of 1240	1452	cmd.exe	choice.exe
PID 1452 wrote to memory of 1240	1452	cmd.exe	choice.exe
PID 1916 wrote to memory of 704	1916	cmd.exe	choice.exe
PID 1916 wrote to memory of 704	1916	cmd.exe	choice.exe
PID 1916 wrote to memory of 704	1916	cmd.exe	choice.exe
PID 1916 wrote to memory of 704	1916	cmd.exe	choice.exe
PID 436 wrote to memory of 1704	436	cmd.exe	attrib.exe
PID 436 wrote to memory of 1704	436	cmd.exe	attrib.exe
PID 436 wrote to memory of 1704	436	cmd.exe	attrib.exe
PID 436 wrote to memory of 1704	436	cmd.exe	attrib.exe
PID 1452 wrote to memory of 1668	1452	cmd.exe	attrib.exe
PID 1452 wrote to memory of 1668	1452	cmd.exe	attrib.exe
PID 1452 wrote to memory of 1668	1452	cmd.exe	attrib.exe
PID 1452 wrote to memory of 1668	1452	cmd.exe	attrib.exe
PID 1916 wrote to memory of 932	1916	cmd.exe	attrib.exe
PID 1916 wrote to memory of 932	1916	cmd.exe	attrib.exe
PID 1916 wrote to memory of 932	1916	cmd.exe	attrib.exe
PID 1916 wrote to memory of 932	1916	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

1704 attrib.exe
1668 attrib.exe
932 attrib.exe

pid	process
1704	attrib.exe
1668	attrib.exe
932	attrib.exe

C:\Users\Admin\AppData\Local\Temp\db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exe
"C:\Users\Admin\AppData\Local\Temp\db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exe"
1⤵
- Loads dropped DLL
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:1968

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:1284

C:\Windows\system32\vssadmin.exe
C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
3⤵
- Interacts with shadow copies
PID:1612

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:800

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:1816

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:1452

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
4⤵
PID:1240

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Roaming\Ubpm"
4⤵
- Views/modifies file attributes
PID:1668

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⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1916

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
3⤵
PID:704

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Local\Temp\db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2.exe"
3⤵
- Views/modifies file attributes
PID:932

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1652

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:1844

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:436

C:\Windows\SysWOW64\choice.exe
choice /t 10 /d y
3⤵
PID:1528

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Windows\SysWOW64\Ubpm.exe"
3⤵
- Drops file in System32 directory
- Views/modifies file attributes
PID:1704

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
82d841869e912a772413bb37f30307b0

SHA1
b75ab0170c1206c345d2fb82506e816098328ee8

SHA256
db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2

SHA512
48078796a9aa03e685bebd14539586c099f30c3a1e18639d4acb810dc3bbb0dc14b09066797e79c34dcd91a120b08537aadf228585e226101384ade3fe2252c6

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

SHA1
b75ab0170c1206c345d2fb82506e816098328ee8

SHA256
db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2

SHA512
48078796a9aa03e685bebd14539586c099f30c3a1e18639d4acb810dc3bbb0dc14b09066797e79c34dcd91a120b08537aadf228585e226101384ade3fe2252c6

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

SHA1
b75ab0170c1206c345d2fb82506e816098328ee8

SHA256
db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2

SHA512
48078796a9aa03e685bebd14539586c099f30c3a1e18639d4acb810dc3bbb0dc14b09066797e79c34dcd91a120b08537aadf228585e226101384ade3fe2252c6

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

SHA1
b75ab0170c1206c345d2fb82506e816098328ee8

SHA256
db665f26dbc4ca92d326f2cb98faafb9e84d404346b201cd88bec91ce4206bb2

SHA512
48078796a9aa03e685bebd14539586c099f30c3a1e18639d4acb810dc3bbb0dc14b09066797e79c34dcd91a120b08537aadf228585e226101384ade3fe2252c6

Download Submit
\Users\Admin\AppData\Roaming\Ubpm
MD5
df3f24f1a6bb661593e8e2ea6f7a786a

SHA1
093afb37365d6af5e39b96f9fe1f89ff892d6f76

SHA256
ad9cb0fa1ae581ca32a3ec89d4aa5af96181356c27cd53b27bdae6031c03a656

SHA512
342ea316bcd461cad73b5f9b595f8497401d05f9b9aef0050f7fafd1cc7997fe5093b73c4f6d583cf51c568bd83ed9f0add6c1d8c1f64231f7695ce70352f9b9

Download Submit
\Users\Admin\AppData\Roaming\Ubpm
MD5
df3f24f1a6bb661593e8e2ea6f7a786a

SHA1
093afb37365d6af5e39b96f9fe1f89ff892d6f76

SHA256
ad9cb0fa1ae581ca32a3ec89d4aa5af96181356c27cd53b27bdae6031c03a656

SHA512
342ea316bcd461cad73b5f9b595f8497401d05f9b9aef0050f7fafd1cc7997fe5093b73c4f6d583cf51c568bd83ed9f0add6c1d8c1f64231f7695ce70352f9b9

Download Submit
memory/436-21-0x0000000000000000-mapping.dmp

Download
memory/704-26-0x0000000000000000-mapping.dmp

Download
memory/800-14-0x0000000000000000-mapping.dmp

Download
memory/932-29-0x0000000000000000-mapping.dmp

Download
memory/1240-25-0x0000000000000000-mapping.dmp

Download
memory/1284-5-0x0000000000000000-mapping.dmp

Download
memory/1452-23-0x0000000000000000-mapping.dmp

Download
memory/1528-22-0x0000000000000000-mapping.dmp

Download
memory/1612-8-0x0000000000000000-mapping.dmp

Download
memory/1668-28-0x0000000000000000-mapping.dmp

Download
memory/1704-27-0x0000000000000000-mapping.dmp

Download
memory/1816-16-0x0000000000000000-mapping.dmp

Download
memory/1916-24-0x0000000000000000-mapping.dmp

Download
memory/1968-2-0x0000000075ED1000-0x0000000075ED3000-memory.dmp

Filesize
8KB

Download
memory/1968-10-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1968-9-0x00000000001B0000-0x00000000001C0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads