wastedlocker | 7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559

Analysis

max time kernel
21s
max time network
112s
platform
windows10_x64
resource
win10v20201028
submitted
03-11-2020 14:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe
Size

58KB
MD5

432a1dd2d40e5b0f6385096847efd3b2
SHA1

f5735932baf8b04a8e1ca622ff06d37a9db29d9f
SHA256

7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559
SHA512

0d713fa5ca52322ea2295d305adbcecc83aaf6b46024987a483112fbbc4c47db6695d0e019b7e68f1a8fe53ff4cbbb4010a981a3fa91eb9be42ebccc75118c1e

Score

10^/10

wastedlocker discovery exploit persistence ransomware

Malware Config

Signatures

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

pid	Process
3008	Initial:bin
1800	Initial.exe

Modifies extensions of user files 24 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File created	C:\Users\Admin\Pictures\GetStop.png.garminwasted_info	Initial.exe
File created	C:\Users\Admin\Pictures\RemoveInitialize.raw.garminwasted_info	Initial.exe
File created	C:\Users\Admin\Pictures\RestartClose.tiff.garminwasted_info	Initial.exe
File opened for modification	C:\Users\Admin\Pictures\RestartClose.tiff.garminwasted	Initial.exe
File renamed	C:\Users\Admin\Pictures\UseRegister.crw => C:\Users\Admin\Pictures\UseRegister.crw.garminwasted	Initial.exe
File renamed	C:\Users\Admin\Pictures\ConfirmSync.tiff => C:\Users\Admin\Pictures\ConfirmSync.tiff.garminwasted	Initial.exe
File created	C:\Users\Admin\Pictures\SendConvertFrom.png.garminwasted_info	Initial.exe
File renamed	C:\Users\Admin\Pictures\RemoveInitialize.raw => C:\Users\Admin\Pictures\RemoveInitialize.raw.garminwasted	Initial.exe
File renamed	C:\Users\Admin\Pictures\GetPop.tiff => C:\Users\Admin\Pictures\GetPop.tiff.garminwasted	Initial.exe
File renamed	C:\Users\Admin\Pictures\GetStop.png => C:\Users\Admin\Pictures\GetStop.png.garminwasted	Initial.exe
File opened for modification	C:\Users\Admin\Pictures\GetStop.png.garminwasted	Initial.exe
File opened for modification	C:\Users\Admin\Pictures\RemoveInitialize.raw.garminwasted	Initial.exe
File renamed	C:\Users\Admin\Pictures\RestartClose.tiff => C:\Users\Admin\Pictures\RestartClose.tiff.garminwasted	Initial.exe
File renamed	C:\Users\Admin\Pictures\SendConvertFrom.png => C:\Users\Admin\Pictures\SendConvertFrom.png.garminwasted	Initial.exe
File created	C:\Users\Admin\Pictures\UseRegister.crw.garminwasted_info	Initial.exe
File renamed	C:\Users\Admin\Pictures\CompareEnter.raw => C:\Users\Admin\Pictures\CompareEnter.raw.garminwasted	Initial.exe
File opened for modification	C:\Users\Admin\Pictures\UseRegister.crw.garminwasted	Initial.exe
File created	C:\Users\Admin\Pictures\ConfirmSync.tiff.garminwasted_info	Initial.exe
File opened for modification	C:\Users\Admin\Pictures\CompareEnter.raw.garminwasted	Initial.exe
File opened for modification	C:\Users\Admin\Pictures\ConfirmSync.tiff.garminwasted	Initial.exe
File created	C:\Users\Admin\Pictures\GetPop.tiff.garminwasted_info	Initial.exe
File opened for modification	C:\Users\Admin\Pictures\GetPop.tiff.garminwasted	Initial.exe
File opened for modification	C:\Users\Admin\Pictures\SendConvertFrom.png.garminwasted	Initial.exe
File created	C:\Users\Admin\Pictures\CompareEnter.raw.garminwasted_info	Initial.exe

Possible privilege escalation attempt 2 IoCs

exploit

pid	Process
4020	takeown.exe
1444	icacls.exe

Modifies file permissions 1 TTPs 2 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4020	takeown.exe
1444	icacls.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Initial.exe	Initial:bin
File opened for modification	C:\Windows\SysWOW64\Initial.exe	attrib.exe

Modifies service 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\ASR Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Shadow Copy Optimization Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\SwProvider_{b5946137-7b9f-4925-af80-51abd60b20d5}	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Registry Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\COM+ REGDB Writer	vssvc.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

pid	Process
3524	vssadmin.exe

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Initial:bin	7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	3132	vssvc.exe
Token: SeRestorePrivilege	3132	vssvc.exe
Token: SeAuditPrivilege	3132	vssvc.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 508 wrote to memory of 3008	508	7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe	75
PID 508 wrote to memory of 3008	508	7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe	75
PID 508 wrote to memory of 3008	508	7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe	75
PID 3008 wrote to memory of 3524	3008	Initial:bin	76
PID 3008 wrote to memory of 3524	3008	Initial:bin	76
PID 3008 wrote to memory of 4020	3008	Initial:bin	80
PID 3008 wrote to memory of 4020	3008	Initial:bin	80
PID 3008 wrote to memory of 4020	3008	Initial:bin	80
PID 3008 wrote to memory of 1444	3008	Initial:bin	82
PID 3008 wrote to memory of 1444	3008	Initial:bin	82
PID 3008 wrote to memory of 1444	3008	Initial:bin	82
PID 1800 wrote to memory of 3000	1800	Initial.exe	86
PID 1800 wrote to memory of 3000	1800	Initial.exe	86
PID 1800 wrote to memory of 3000	1800	Initial.exe	86
PID 3008 wrote to memory of 2388	3008	Initial:bin	88
PID 3008 wrote to memory of 2388	3008	Initial:bin	88
PID 3008 wrote to memory of 2388	3008	Initial:bin	88
PID 508 wrote to memory of 2080	508	7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe	90
PID 508 wrote to memory of 2080	508	7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe	90
PID 508 wrote to memory of 2080	508	7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe	90
PID 3000 wrote to memory of 2872	3000	cmd.exe	91
PID 3000 wrote to memory of 2872	3000	cmd.exe	91
PID 3000 wrote to memory of 2872	3000	cmd.exe	91
PID 2388 wrote to memory of 3944	2388	cmd.exe	93
PID 2388 wrote to memory of 3944	2388	cmd.exe	93
PID 2388 wrote to memory of 3944	2388	cmd.exe	93
PID 2080 wrote to memory of 3812	2080	cmd.exe	94
PID 2080 wrote to memory of 3812	2080	cmd.exe	94
PID 2080 wrote to memory of 3812	2080	cmd.exe	94
PID 3000 wrote to memory of 184	3000	cmd.exe	99
PID 3000 wrote to memory of 184	3000	cmd.exe	99
PID 3000 wrote to memory of 184	3000	cmd.exe	99
PID 2388 wrote to memory of 204	2388	cmd.exe	100
PID 2388 wrote to memory of 204	2388	cmd.exe	100
PID 2388 wrote to memory of 204	2388	cmd.exe	100
PID 2080 wrote to memory of 1724	2080	cmd.exe	101
PID 2080 wrote to memory of 1724	2080	cmd.exe	101
PID 2080 wrote to memory of 1724	2080	cmd.exe	101

Views/modifies file attributes 1 TTPs 3 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
184	attrib.exe
204	attrib.exe
1724	attrib.exe

C:\Users\Admin\AppData\Local\Temp\7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe
"C:\Users\Admin\AppData\Local\Temp\7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe"
1⤵
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:508
- C:\Users\Admin\AppData\Roaming\Initial:bin
  C:\Users\Admin\AppData\Roaming\Initial:bin -r
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:3008
- - C:\Windows\system32\vssadmin.exe
    C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
    3⤵
    - Interacts with shadow copies
    PID:3524
- - C:\Windows\SysWOW64\takeown.exe
    C:\Windows\system32\takeown.exe /F C:\Windows\system32\Initial.exe
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:4020
- - C:\Windows\SysWOW64\icacls.exe
    C:\Windows\system32\icacls.exe C:\Windows\system32\Initial.exe /reset
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1444
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Roaming\Initial" & del "C:\Users\Admin\AppData\Roaming\Initial"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2388
  - - C:\Windows\SysWOW64\choice.exe
      choice /t 10 /d y
      4⤵
      PID:3944
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -h "C:\Users\Admin\AppData\Roaming\Initial"
      4⤵
      Views/modifies file attributes
      PID:204
- C:\Windows\SysWOW64\cmd.exe
  cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Local\Temp\7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe" & del "C:\Users\Admin\AppData\Local\Temp\7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2080
- - C:\Windows\SysWOW64\choice.exe
    choice /t 10 /d y
    3⤵
    PID:3812
- - C:\Windows\SysWOW64\attrib.exe
    attrib -h "C:\Users\Admin\AppData\Local\Temp\7de425238719622bf2b2150591631b0a71d6a5dade419a4e67b9bdbfa272b559.bin.exe"
    3⤵
    - Views/modifies file attributes
    PID:1724

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:3132

C:\Windows\SysWOW64\Initial.exe
C:\Windows\SysWOW64\Initial.exe -s
1⤵
- Executes dropped EXE
- Modifies extensions of user files
- Suspicious use of WriteProcessMemory
PID:1800
- C:\Windows\SysWOW64\cmd.exe
  cmd /c choice /t 10 /d y & attrib -h "C:\Windows\SysWOW64\Initial.exe" & del "C:\Windows\SysWOW64\Initial.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3000
- - C:\Windows\SysWOW64\choice.exe
    choice /t 10 /d y
    3⤵
    PID:2872
- - C:\Windows\SysWOW64\attrib.exe
    attrib -h "C:\Windows\SysWOW64\Initial.exe"
    3⤵
    - Drops file in System32 directory
    - Views/modifies file attributes
    PID:184

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Modify Existing Service

T1031

Privilege Escalation

Defense Evasion

File Deletion

T1107

File and Directory Permissions Modification

T1222

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads