b32daf27aa392d26bdf5faafbaae6b21cd6c918d461ff59f548a73d447a96dd9

General

Target

file.exe
Size

5.8MB
MD5

e7d5201947829fd265a0356771fbeb63
SHA1

6c90b89aad04f38c584fcee1d47fed9cd79f8ef1
SHA256

b32daf27aa392d26bdf5faafbaae6b21cd6c918d461ff59f548a73d447a96dd9
SHA512

e3442ecebdb29ea722142f9a1a533b8fe6297b9e6923cf290cc3850287a864059bb17709ee03ce134f36d5e333a36a9c37345507a7f9fbd007ca8fbf89abce31
SSDEEP

98304:yfUTMfcltw7HaqKN2A2lO8azKowdWr6z3h4q1KIqoS4aMTlcMmbFLOAkGkzdnEVk:2UiEsGE/r1R4q8IqoSP4cMmbFLOyomFI

Score

9^/10

defense_evasion discovery execution impact persistence ransomware

Malware Config

Signatures

Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware defense_evasion impact execution

File Deletion
T1070.004

Inhibit System Recovery
T1490

Windows Management Instrumentation
T1047

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\Skype	file.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Interacts with shadow copies 3 TTPs 1 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

Direct Volume Access

T1006

pid	Process
2220	vssadmin.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.1o5x619pc\DefaultIcon	file.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.1o5x619pc	file.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.1o5x619pc\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fkdjsadasd.ico"	file.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2284	file.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	2192	vssvc.exe
Token: SeRestorePrivilege	2192	vssvc.exe
Token: SeAuditPrivilege	2192	vssvc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2284	file.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 1904	2284	file.exe	31
PID 2284 wrote to memory of 1904	2284	file.exe	31
PID 2284 wrote to memory of 1904	2284	file.exe	31
PID 2284 wrote to memory of 1904	2284	file.exe	31
PID 1904 wrote to memory of 2220	1904	cmd.exe	33
PID 1904 wrote to memory of 2220	1904	cmd.exe	33
PID 1904 wrote to memory of 2220	1904	cmd.exe	33
PID 1904 wrote to memory of 2220	1904	cmd.exe	33

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2284
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\SysNative\vssadmin.exe delete shadows /all /quiet
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1904
- - C:\Windows\system32\vssadmin.exe
    C:\Windows\SysNative\vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2220

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2192

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

1

T1047

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Direct Volume Access

1

T1006

Indicator Removal

2

T1070

File Deletion

Modify Registry

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

2

T1490

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2284-0-0x00000000025F0000-0x00000000026D3000-memory.dmp

Filesize
908KB

Download
memory/2284-2-0x00000000025F0000-0x00000000026D3000-memory.dmp

Filesize
908KB

Download
memory/2284-9-0x00000000025F0000-0x00000000026D3000-memory.dmp

Filesize
908KB

Download
memory/2284-13-0x00000000025F0000-0x00000000026D3000-memory.dmp

Filesize
908KB

Download
memory/2284-11-0x00000000025F0000-0x00000000026D3000-memory.dmp

Filesize
908KB

Download
memory/2284-14-0x00000000025F0000-0x00000000026D3000-memory.dmp

Filesize
908KB

Download
memory/2284-15-0x00000000025F0000-0x00000000026D3000-memory.dmp

Filesize
908KB

Download
memory/2284-16-0x00000000025F0000-0x00000000026D3000-memory.dmp

Filesize
908KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads