350ba7fca67721c74385faff083914ecdd66ef107a765dfb7ac08b38d5c9c0bd

Analysis

max time kernel
36s
max time network
41s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
02/12/2022, 01:45

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General

Target

350ba7fca67721c74385faff083914ecdd66ef107a765dfb7ac08b38d5c9c0bd.exe
Size

737KB
MD5

0bf7bc20496143a9f028e77ab47b4698
SHA1

aa54013aeb502b4a936331deb76a6411f1f1ade7
SHA256

350ba7fca67721c74385faff083914ecdd66ef107a765dfb7ac08b38d5c9c0bd
SHA512

5e94cd77c4ad6dfa1064915ca0f4d117a2e3a4e924d05a16df0b223a5a0cbcb6124627e41d184aa0584f3ff3bbd5f9f913964887c7eb140e105317d4f5709981
SSDEEP

12288:bO+sm75a7DI9Mv53VI/XfaUs442JbV24chSS1i2wZbDFMMWzVFq:rh75a7M9S3VYa4npY4cFM2MWhY

Score

9^/10

ransomware

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
948	1452	WerFault.exe	14

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
1540	vssadmin.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.taovhsr3u\DefaultIcon	350ba7fca67721c74385faff083914ecdd66ef107a765dfb7ac08b38d5c9c0bd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.taovhsr3u	350ba7fca67721c74385faff083914ecdd66ef107a765dfb7ac08b38d5c9c0bd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.taovhsr3u\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fkdjsadasd.ico"	350ba7fca67721c74385faff083914ecdd66ef107a765dfb7ac08b38d5c9c0bd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	1424	vssvc.exe
Token: SeRestorePrivilege	1424	vssvc.exe
Token: SeAuditPrivilege	1424	vssvc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1452 wrote to memory of 832	1452	350ba7fca67721c74385faff083914ecdd66ef107a765dfb7ac08b38d5c9c0bd.exe	26
PID 1452 wrote to memory of 832	1452	350ba7fca67721c74385faff083914ecdd66ef107a765dfb7ac08b38d5c9c0bd.exe	26
PID 1452 wrote to memory of 832	1452	350ba7fca67721c74385faff083914ecdd66ef107a765dfb7ac08b38d5c9c0bd.exe	26
PID 1452 wrote to memory of 832	1452	350ba7fca67721c74385faff083914ecdd66ef107a765dfb7ac08b38d5c9c0bd.exe	26
PID 832 wrote to memory of 1540	832	cmd.exe	28
PID 832 wrote to memory of 1540	832	cmd.exe	28
PID 832 wrote to memory of 1540	832	cmd.exe	28
PID 832 wrote to memory of 1540	832	cmd.exe	28
PID 1452 wrote to memory of 948	1452	350ba7fca67721c74385faff083914ecdd66ef107a765dfb7ac08b38d5c9c0bd.exe	32
PID 1452 wrote to memory of 948	1452	350ba7fca67721c74385faff083914ecdd66ef107a765dfb7ac08b38d5c9c0bd.exe	32
PID 1452 wrote to memory of 948	1452	350ba7fca67721c74385faff083914ecdd66ef107a765dfb7ac08b38d5c9c0bd.exe	32
PID 1452 wrote to memory of 948	1452	350ba7fca67721c74385faff083914ecdd66ef107a765dfb7ac08b38d5c9c0bd.exe	32

C:\Users\Admin\AppData\Local\Temp\350ba7fca67721c74385faff083914ecdd66ef107a765dfb7ac08b38d5c9c0bd.exe
"C:\Users\Admin\AppData\Local\Temp\350ba7fca67721c74385faff083914ecdd66ef107a765dfb7ac08b38d5c9c0bd.exe"
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1452
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\SysNative\vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:832
- - C:\Windows\system32\vssadmin.exe
    C:\Windows\SysNative\vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:1540
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1452 -s 252
  2⤵
  - Program crash
  PID:948

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1424

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

T1107

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact