wastedlocker | 30af561ec0b6d4a37654f9838750abde60d0d38e2370bb250007eb946425add0

Analysis

max time kernel
60s
max time network
73s
platform
windows7_x64
resource
win7
submitted
29-07-2020 07:12

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General

Target

30af561ec0b6d4a37654f9838750abde60d0d38e2370bb250007eb946425add0.exe
Size

1.2MB
MD5

14e610e2acb5f15e72f528b385f3e20f
SHA1

749b5283028a6f2c9df529eb14e051a5bf620f25
SHA256

30af561ec0b6d4a37654f9838750abde60d0d38e2370bb250007eb946425add0
SHA512

6d8d42e65b5bb09aaaf3c0cf103e7b97ebdc593065f1ecd3e3cd7c5d0a289d93867d617ac3b69c126a754f6f37cfd1867e12822004169077e4eafeb40a79f90a

Score

10^/10

ransomware discovery exploit wastedlocker persistence

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
1492	30af561ec0b6d4a37654f9838750abde60d0d38e2370bb250007eb946425add0.exe
1492	30af561ec0b6d4a37654f9838750abde60d0d38e2370bb250007eb946425add0.exe

Executes dropped EXE 2 IoCs

pid	Process
892	Network:bin
1144	Network.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\AssertHide.raw.garminwasted_info	Network.exe
File renamed	C:\Users\Admin\Pictures\DenyRevoke.crw => C:\Users\Admin\Pictures\DenyRevoke.crw.garminwasted	Network.exe
File opened for modification	C:\Users\Admin\Pictures\DenyRevoke.crw.garminwasted	Network.exe
File created	C:\Users\Admin\Pictures\OutRevoke.tif.garminwasted_info	Network.exe
File renamed	C:\Users\Admin\Pictures\OutRevoke.tif => C:\Users\Admin\Pictures\OutRevoke.tif.garminwasted	Network.exe
File created	C:\Users\Admin\Pictures\ProtectMerge.tiff.garminwasted_info	Network.exe
File renamed	C:\Users\Admin\Pictures\ProtectMerge.tiff => C:\Users\Admin\Pictures\ProtectMerge.tiff.garminwasted	Network.exe
File opened for modification	C:\Users\Admin\Pictures\StartEnable.raw.garminwasted	Network.exe
File renamed	C:\Users\Admin\Pictures\AssertHide.raw => C:\Users\Admin\Pictures\AssertHide.raw.garminwasted	Network.exe
File created	C:\Users\Admin\Pictures\ExportReset.tif.garminwasted_info	Network.exe
File opened for modification	C:\Users\Admin\Pictures\OutRevoke.tif.garminwasted	Network.exe
File opened for modification	C:\Users\Admin\Pictures\ProtectMerge.tiff.garminwasted	Network.exe
File created	C:\Users\Admin\Pictures\DenyRevoke.crw.garminwasted_info	Network.exe
File renamed	C:\Users\Admin\Pictures\ExportReset.tif => C:\Users\Admin\Pictures\ExportReset.tif.garminwasted	Network.exe
File created	C:\Users\Admin\Pictures\StepRequest.raw.garminwasted_info	Network.exe
File opened for modification	C:\Users\Admin\Pictures\AssertHide.raw.garminwasted	Network.exe
File opened for modification	C:\Users\Admin\Pictures\ExportReset.tif.garminwasted	Network.exe
File created	C:\Users\Admin\Pictures\ResumeTrace.raw.garminwasted_info	Network.exe
File renamed	C:\Users\Admin\Pictures\ResumeTrace.raw => C:\Users\Admin\Pictures\ResumeTrace.raw.garminwasted	Network.exe
File opened for modification	C:\Users\Admin\Pictures\ResumeTrace.raw.garminwasted	Network.exe
File created	C:\Users\Admin\Pictures\StartEnable.raw.garminwasted_info	Network.exe
File renamed	C:\Users\Admin\Pictures\StartEnable.raw => C:\Users\Admin\Pictures\StartEnable.raw.garminwasted	Network.exe
File renamed	C:\Users\Admin\Pictures\StepRequest.raw => C:\Users\Admin\Pictures\StepRequest.raw.garminwasted	Network.exe
File opened for modification	C:\Users\Admin\Pictures\StepRequest.raw.garminwasted	Network.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\Registry 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\COM+ REGDB Writer	vssvc.exe
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

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1492	30af561ec0b6d4a37654f9838750abde60d0d38e2370bb250007eb946425add0.exe
892	Network:bin
1144	Network.exe

Suspicious use of WriteProcessMemory 52 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 892	1492	30af561ec0b6d4a37654f9838750abde60d0d38e2370bb250007eb946425add0.exe	24
PID 1492 wrote to memory of 892	1492	30af561ec0b6d4a37654f9838750abde60d0d38e2370bb250007eb946425add0.exe	24
PID 1492 wrote to memory of 892	1492	30af561ec0b6d4a37654f9838750abde60d0d38e2370bb250007eb946425add0.exe	24
PID 1492 wrote to memory of 892	1492	30af561ec0b6d4a37654f9838750abde60d0d38e2370bb250007eb946425add0.exe	24
PID 892 wrote to memory of 556	892	Network:bin	25
PID 892 wrote to memory of 556	892	Network:bin	25
PID 892 wrote to memory of 556	892	Network:bin	25
PID 892 wrote to memory of 556	892	Network:bin	25
PID 892 wrote to memory of 1872	892	Network:bin	29
PID 892 wrote to memory of 1872	892	Network:bin	29
PID 892 wrote to memory of 1872	892	Network:bin	29
PID 892 wrote to memory of 1872	892	Network:bin	29
PID 892 wrote to memory of 1908	892	Network:bin	31
PID 892 wrote to memory of 1908	892	Network:bin	31
PID 892 wrote to memory of 1908	892	Network:bin	31
PID 892 wrote to memory of 1908	892	Network:bin	31
PID 1144 wrote to memory of 1568	1144	Network.exe	35
PID 1144 wrote to memory of 1568	1144	Network.exe	35
PID 1144 wrote to memory of 1568	1144	Network.exe	35
PID 1144 wrote to memory of 1568	1144	Network.exe	35
PID 1568 wrote to memory of 1540	1568	cmd.exe	37
PID 1568 wrote to memory of 1540	1568	cmd.exe	37
PID 1568 wrote to memory of 1540	1568	cmd.exe	37
PID 1568 wrote to memory of 1540	1568	cmd.exe	37
PID 892 wrote to memory of 1988	892	Network:bin	38
PID 892 wrote to memory of 1988	892	Network:bin	38
PID 892 wrote to memory of 1988	892	Network:bin	38
PID 892 wrote to memory of 1988	892	Network:bin	38
PID 1492 wrote to memory of 1976	1492	30af561ec0b6d4a37654f9838750abde60d0d38e2370bb250007eb946425add0.exe	40
PID 1492 wrote to memory of 1976	1492	30af561ec0b6d4a37654f9838750abde60d0d38e2370bb250007eb946425add0.exe	40
PID 1492 wrote to memory of 1976	1492	30af561ec0b6d4a37654f9838750abde60d0d38e2370bb250007eb946425add0.exe	40
PID 1492 wrote to memory of 1976	1492	30af561ec0b6d4a37654f9838750abde60d0d38e2370bb250007eb946425add0.exe	40
PID 1988 wrote to memory of 1936	1988	cmd.exe	41
PID 1988 wrote to memory of 1936	1988	cmd.exe	41
PID 1988 wrote to memory of 1936	1988	cmd.exe	41
PID 1988 wrote to memory of 1936	1988	cmd.exe	41
PID 1976 wrote to memory of 2036	1976	cmd.exe	43
PID 1976 wrote to memory of 2036	1976	cmd.exe	43
PID 1976 wrote to memory of 2036	1976	cmd.exe	43
PID 1976 wrote to memory of 2036	1976	cmd.exe	43
PID 1568 wrote to memory of 2016	1568	cmd.exe	44
PID 1568 wrote to memory of 2016	1568	cmd.exe	44
PID 1568 wrote to memory of 2016	1568	cmd.exe	44
PID 1568 wrote to memory of 2016	1568	cmd.exe	44
PID 1988 wrote to memory of 2000	1988	cmd.exe	45
PID 1988 wrote to memory of 2000	1988	cmd.exe	45
PID 1988 wrote to memory of 2000	1988	cmd.exe	45
PID 1988 wrote to memory of 2000	1988	cmd.exe	45
PID 1976 wrote to memory of 1244	1976	cmd.exe	46
PID 1976 wrote to memory of 1244	1976	cmd.exe	46
PID 1976 wrote to memory of 1244	1976	cmd.exe	46
PID 1976 wrote to memory of 1244	1976	cmd.exe	46

Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Modifies file permissions 1 TTPs 2 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1872	takeown.exe
1908	icacls.exe

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Network:bin	30af561ec0b6d4a37654f9838750abde60d0d38e2370bb250007eb946425add0.exe

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

Deletes itself 1 IoCs

pid	Process
1976	cmd.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
556	vssadmin.exe

Possible privilege escalation attempt 2 IoCs

exploit

pid	Process
1872	takeown.exe
1908	icacls.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

pid	Process
1492	30af561ec0b6d4a37654f9838750abde60d0d38e2370bb250007eb946425add0.exe
892	Network:bin
1144	Network.exe
1492	30af561ec0b6d4a37654f9838750abde60d0d38e2370bb250007eb946425add0.exe
892	Network:bin
1144	Network.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	1028	vssvc.exe
Token: SeRestorePrivilege	1028	vssvc.exe
Token: SeAuditPrivilege	1028	vssvc.exe

Drops file in System32 directory 2 IoCs

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

Views/modifies file attributes 1 TTPs 3 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
1244	attrib.exe
2016	attrib.exe
2000	attrib.exe

C:\Users\Admin\AppData\Local\Temp\30af561ec0b6d4a37654f9838750abde60d0d38e2370bb250007eb946425add0.exe
"C:\Users\Admin\AppData\Local\Temp\30af561ec0b6d4a37654f9838750abde60d0d38e2370bb250007eb946425add0.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- NTFS ADS
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:1492
- C:\Users\Admin\AppData\Roaming\Network:bin
  C:\Users\Admin\AppData\Roaming\Network:bin -r
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Drops file in System32 directory
  PID:892
- - C:\Windows\system32\vssadmin.exe
    C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
    3⤵
    - Interacts with shadow copies
    PID:556
- - C:\Windows\SysWOW64\takeown.exe
    C:\Windows\system32\takeown.exe /F C:\Windows\system32\Network.exe
    3⤵
    - Modifies file permissions
    - Possible privilege escalation attempt
    PID:1872
- - C:\Windows\SysWOW64\icacls.exe
    C:\Windows\system32\icacls.exe C:\Windows\system32\Network.exe /reset
    3⤵
    - Modifies file permissions
    - Possible privilege escalation attempt
    PID:1908
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Roaming\Network" & del "C:\Users\Admin\AppData\Roaming\Network"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1988
  - - C:\Windows\SysWOW64\choice.exe
      choice /t 10 /d y
      4⤵
      PID:1936
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -h "C:\Users\Admin\AppData\Roaming\Network"
      4⤵
      Views/modifies file attributes
      PID:2000
- C:\Windows\SysWOW64\cmd.exe
  cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Local\Temp\30af561ec0b6d4a37654f9838750abde60d0d38e2370bb250007eb946425add0.exe" & del "C:\Users\Admin\AppData\Local\Temp\30af561ec0b6d4a37654f9838750abde60d0d38e2370bb250007eb946425add0.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  - Deletes itself
  PID:1976
- - C:\Windows\SysWOW64\choice.exe
    choice /t 10 /d y
    3⤵
    PID:2036
- - C:\Windows\SysWOW64\attrib.exe
    attrib -h "C:\Users\Admin\AppData\Local\Temp\30af561ec0b6d4a37654f9838750abde60d0d38e2370bb250007eb946425add0.exe"
    3⤵
    - Views/modifies file attributes
    PID:1244

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:1028

C:\Windows\SysWOW64\Network.exe
C:\Windows\SysWOW64\Network.exe -s
1⤵
- Executes dropped EXE
- Modifies extensions of user files
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:1144
- C:\Windows\SysWOW64\cmd.exe
  cmd /c choice /t 10 /d y & attrib -h "C:\Windows\SysWOW64\Network.exe" & del "C:\Windows\SysWOW64\Network.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1568
- - C:\Windows\SysWOW64\choice.exe
    choice /t 10 /d y
    3⤵
    PID:1540
- - C:\Windows\SysWOW64\attrib.exe
    attrib -h "C:\Windows\SysWOW64\Network.exe"
    3⤵
    - Drops file in System32 directory
    - Views/modifies file attributes
    PID:2016

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

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Downloads

memory/892-7-0x0000000002930000-0x0000000002941000-memory.dmp

Filesize
68KB

Download
memory/1144-14-0x0000000001590000-0x00000000015A1000-memory.dmp

Filesize
68KB

Download
memory/1492-0-0x00000000029A0000-0x00000000029B1000-memory.dmp

Filesize
68KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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