8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01

Analysis

max time kernel
116s
max time network
116s
platform
windows10_x64
resource
win10v200722
submitted
21/10/2020, 16:04

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.bin.exe
Size

1.2MB
MD5

7e34c5bd27f25a1e1d47a27702708e28
SHA1

fb65ea1cc1d81a17effe16ecd2d10f34975a67d8
SHA256

8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01
SHA512

2b4099e3f15dfd6414c812e87c5f8cfd1926234012e6c67e71433bc4bed7c823ca6d19f8bb927d16ee8e32859b663a9cbccc890eedb3cdaebb8ec2c04784114f

Score

9^/10

persistence exploit ransomware discovery

Malware Config

Signatures

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
3836	Notifications:bin
1952	Notifications.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\LimitExport.tiff.easy2lock_read_me	Notifications.exe
File created	C:\Users\Admin\Pictures\LimitWrite.crw.easy2lock_read_me	Notifications.exe
File renamed	C:\Users\Admin\Pictures\LimitWrite.crw => C:\Users\Admin\Pictures\LimitWrite.crw.easy2lock	Notifications.exe
File opened for modification	C:\Users\Admin\Pictures\LimitWrite.crw.easy2lock	Notifications.exe
File created	C:\Users\Admin\Pictures\WriteConfirm.png.easy2lock_read_me	Notifications.exe
File opened for modification	C:\Users\Admin\Pictures\WriteConfirm.png.easy2lock	Notifications.exe
File created	C:\Users\Admin\Pictures\EnterApprove.raw.easy2lock_read_me	Notifications.exe
File renamed	C:\Users\Admin\Pictures\OutUse.crw => C:\Users\Admin\Pictures\OutUse.crw.easy2lock	Notifications.exe
File renamed	C:\Users\Admin\Pictures\UnregisterRedo.tif => C:\Users\Admin\Pictures\UnregisterRedo.tif.easy2lock	Notifications.exe
File opened for modification	C:\Users\Admin\Pictures\UnregisterRedo.tif.easy2lock	Notifications.exe
File renamed	C:\Users\Admin\Pictures\LimitExport.tiff => C:\Users\Admin\Pictures\LimitExport.tiff.easy2lock	Notifications.exe
File renamed	C:\Users\Admin\Pictures\RegisterBackup.tif => C:\Users\Admin\Pictures\RegisterBackup.tif.easy2lock	Notifications.exe
File created	C:\Users\Admin\Pictures\UnregisterRedo.tif.easy2lock_read_me	Notifications.exe
File renamed	C:\Users\Admin\Pictures\EnterApprove.raw => C:\Users\Admin\Pictures\EnterApprove.raw.easy2lock	Notifications.exe
File opened for modification	C:\Users\Admin\Pictures\LimitExport.tiff.easy2lock	Notifications.exe
File created	C:\Users\Admin\Pictures\OutUse.crw.easy2lock_read_me	Notifications.exe
File opened for modification	C:\Users\Admin\Pictures\OutUse.crw.easy2lock	Notifications.exe
File created	C:\Users\Admin\Pictures\RegisterBackup.tif.easy2lock_read_me	Notifications.exe
File opened for modification	C:\Users\Admin\Pictures\RegisterBackup.tif.easy2lock	Notifications.exe
File created	C:\Users\Admin\Pictures\RestoreMove.png.easy2lock_read_me	Notifications.exe
File renamed	C:\Users\Admin\Pictures\RestoreMove.png => C:\Users\Admin\Pictures\RestoreMove.png.easy2lock	Notifications.exe
File opened for modification	C:\Users\Admin\Pictures\EnterApprove.raw.easy2lock	Notifications.exe
File renamed	C:\Users\Admin\Pictures\WriteConfirm.png => C:\Users\Admin\Pictures\WriteConfirm.png.easy2lock	Notifications.exe
File opened for modification	C:\Users\Admin\Pictures\RestoreMove.png.easy2lock	Notifications.exe

Possible privilege escalation attempt 2 IoCs

exploit

pid	Process
3764	takeown.exe
2604	icacls.exe

Modifies file permissions 1 TTPs 2 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3764	takeown.exe
2604	icacls.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Notifications.exe	Notifications:bin
File opened for modification	C:\Windows\SysWOW64\Notifications.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\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
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\ASR 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
2268	vssadmin.exe

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Notifications:bin	8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.bin.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	3000	vssvc.exe
Token: SeRestorePrivilege	3000	vssvc.exe
Token: SeAuditPrivilege	3000	vssvc.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 504 wrote to memory of 3836	504	8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.bin.exe	73
PID 504 wrote to memory of 3836	504	8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.bin.exe	73
PID 504 wrote to memory of 3836	504	8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.bin.exe	73
PID 3836 wrote to memory of 2268	3836	Notifications:bin	76
PID 3836 wrote to memory of 2268	3836	Notifications:bin	76
PID 3836 wrote to memory of 3764	3836	Notifications:bin	80
PID 3836 wrote to memory of 3764	3836	Notifications:bin	80
PID 3836 wrote to memory of 3764	3836	Notifications:bin	80
PID 3836 wrote to memory of 2604	3836	Notifications:bin	82
PID 3836 wrote to memory of 2604	3836	Notifications:bin	82
PID 3836 wrote to memory of 2604	3836	Notifications:bin	82
PID 1952 wrote to memory of 3184	1952	Notifications.exe	86
PID 1952 wrote to memory of 3184	1952	Notifications.exe	86
PID 1952 wrote to memory of 3184	1952	Notifications.exe	86
PID 3184 wrote to memory of 3172	3184	cmd.exe	89
PID 3184 wrote to memory of 3172	3184	cmd.exe	89
PID 3184 wrote to memory of 3172	3184	cmd.exe	89
PID 3836 wrote to memory of 1480	3836	Notifications:bin	90
PID 3836 wrote to memory of 1480	3836	Notifications:bin	90
PID 3836 wrote to memory of 1480	3836	Notifications:bin	90
PID 504 wrote to memory of 3492	504	8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.bin.exe	92
PID 504 wrote to memory of 3492	504	8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.bin.exe	92
PID 504 wrote to memory of 3492	504	8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.bin.exe	92
PID 1480 wrote to memory of 1784	1480	cmd.exe	94
PID 1480 wrote to memory of 1784	1480	cmd.exe	94
PID 1480 wrote to memory of 1784	1480	cmd.exe	94
PID 3492 wrote to memory of 3824	3492	cmd.exe	95
PID 3492 wrote to memory of 3824	3492	cmd.exe	95
PID 3492 wrote to memory of 3824	3492	cmd.exe	95
PID 3184 wrote to memory of 3616	3184	cmd.exe	96
PID 3184 wrote to memory of 3616	3184	cmd.exe	96
PID 3184 wrote to memory of 3616	3184	cmd.exe	96
PID 1480 wrote to memory of 2004	1480	cmd.exe	97
PID 1480 wrote to memory of 2004	1480	cmd.exe	97
PID 1480 wrote to memory of 2004	1480	cmd.exe	97
PID 3492 wrote to memory of 3816	3492	cmd.exe	98
PID 3492 wrote to memory of 3816	3492	cmd.exe	98
PID 3492 wrote to memory of 3816	3492	cmd.exe	98

Views/modifies file attributes 1 TTPs 3 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
3816	attrib.exe
3616	attrib.exe
2004	attrib.exe

C:\Users\Admin\AppData\Local\Temp\8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.bin.exe
"C:\Users\Admin\AppData\Local\Temp\8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.bin.exe"
1⤵
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:504
- C:\Users\Admin\AppData\Roaming\Notifications:bin
  C:\Users\Admin\AppData\Roaming\Notifications:bin -r
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:3836
- - C:\Windows\system32\vssadmin.exe
    C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
    3⤵
    - Interacts with shadow copies
    PID:2268
- - C:\Windows\SysWOW64\takeown.exe
    C:\Windows\system32\takeown.exe /F C:\Windows\system32\Notifications.exe
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:3764
- - C:\Windows\SysWOW64\icacls.exe
    C:\Windows\system32\icacls.exe C:\Windows\system32\Notifications.exe /reset
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:2604
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Roaming\Notifications" & del "C:\Users\Admin\AppData\Roaming\Notifications"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1480
  - - C:\Windows\SysWOW64\choice.exe
      choice /t 10 /d y
      4⤵
      PID:1784
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -h "C:\Users\Admin\AppData\Roaming\Notifications"
      4⤵
      Views/modifies file attributes
      PID:2004
- C:\Windows\SysWOW64\cmd.exe
  cmd /c choice /t 10 /d y & attrib -h "C:\Users\Admin\AppData\Local\Temp\8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.bin.exe" & del "C:\Users\Admin\AppData\Local\Temp\8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.bin.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3492
- - C:\Windows\SysWOW64\choice.exe
    choice /t 10 /d y
    3⤵
    PID:3824
- - C:\Windows\SysWOW64\attrib.exe
    attrib -h "C:\Users\Admin\AppData\Local\Temp\8dc3389d37519b24aef2bcf2a15530ea1b13ff4b98228967c9876835bdb99a01.bin.exe"
    3⤵
    - Views/modifies file attributes
    PID:3816

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:3000

C:\Windows\SysWOW64\Notifications.exe
C:\Windows\SysWOW64\Notifications.exe -s
1⤵
- Executes dropped EXE
- Modifies extensions of user files
- Suspicious use of WriteProcessMemory
PID:1952
- C:\Windows\SysWOW64\cmd.exe
  cmd /c choice /t 10 /d y & attrib -h "C:\Windows\SysWOW64\Notifications.exe" & del "C:\Windows\SysWOW64\Notifications.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3184
- - C:\Windows\SysWOW64\choice.exe
    choice /t 10 /d y
    3⤵
    PID:3172
- - C:\Windows\SysWOW64\attrib.exe
    attrib -h "C:\Windows\SysWOW64\Notifications.exe"
    3⤵
    - Drops file in System32 directory
    - Views/modifies file attributes
    PID:3616

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