b32daf27aa392d26bdf5faafbaae6b21cd6c918d461ff59f548a73d447a96dd9

General

Target

b32daf27aa392d26bdf5faafbaae6b21cd6c918d461ff59f548a73d447a96dd9.exe
Size

5.8MB
MD5

e7d5201947829fd265a0356771fbeb63
SHA1

6c90b89aad04f38c584fcee1d47fed9cd79f8ef1
SHA256

b32daf27aa392d26bdf5faafbaae6b21cd6c918d461ff59f548a73d447a96dd9
SHA512

e3442ecebdb29ea722142f9a1a533b8fe6297b9e6923cf290cc3850287a864059bb17709ee03ce134f36d5e333a36a9c37345507a7f9fbd007ca8fbf89abce31
SSDEEP

98304:yfUTMfcltw7HaqKN2A2lO8azKowdWr6z3h4q1KIqoS4aMTlcMmbFLOAkGkzdnEVk:2UiEsGE/r1R4q8IqoSP4cMmbFLOyomFI

Score

9^/10

defense_evasion 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-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\Skype	b32daf27aa392d26bdf5faafbaae6b21cd6c918d461ff59f548a73d447a96dd9.exe

Interacts with shadow copies 2 TTPs 1 IoCs

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

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

pid	Process
2916	vssadmin.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.1o5x619pc\DefaultIcon	b32daf27aa392d26bdf5faafbaae6b21cd6c918d461ff59f548a73d447a96dd9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.1o5x619pc	b32daf27aa392d26bdf5faafbaae6b21cd6c918d461ff59f548a73d447a96dd9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.1o5x619pc\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fkdjsadasd.ico"	b32daf27aa392d26bdf5faafbaae6b21cd6c918d461ff59f548a73d447a96dd9.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1940	b32daf27aa392d26bdf5faafbaae6b21cd6c918d461ff59f548a73d447a96dd9.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	2836	vssvc.exe
Token: SeRestorePrivilege	2836	vssvc.exe
Token: SeAuditPrivilege	2836	vssvc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1940	b32daf27aa392d26bdf5faafbaae6b21cd6c918d461ff59f548a73d447a96dd9.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 356	1940	b32daf27aa392d26bdf5faafbaae6b21cd6c918d461ff59f548a73d447a96dd9.exe	28
PID 1940 wrote to memory of 356	1940	b32daf27aa392d26bdf5faafbaae6b21cd6c918d461ff59f548a73d447a96dd9.exe	28
PID 1940 wrote to memory of 356	1940	b32daf27aa392d26bdf5faafbaae6b21cd6c918d461ff59f548a73d447a96dd9.exe	28
PID 1940 wrote to memory of 356	1940	b32daf27aa392d26bdf5faafbaae6b21cd6c918d461ff59f548a73d447a96dd9.exe	28
PID 356 wrote to memory of 2916	356	cmd.exe	30
PID 356 wrote to memory of 2916	356	cmd.exe	30
PID 356 wrote to memory of 2916	356	cmd.exe	30
PID 356 wrote to memory of 2916	356	cmd.exe	30

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\b32daf27aa392d26bdf5faafbaae6b21cd6c918d461ff59f548a73d447a96dd9.exe
"C:\Users\Admin\AppData\Local\Temp\b32daf27aa392d26bdf5faafbaae6b21cd6c918d461ff59f548a73d447a96dd9.exe"
1⤵
- Adds Run key to start application
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1940
- 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:356
- - C:\Windows\system32\vssadmin.exe
    C:\Windows\SysNative\vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2916

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2836

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

Indicator Removal

2

T1070

File Deletion

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

2

T1490

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Downloads

memory/1940-0-0x0000000002600000-0x00000000026E3000-memory.dmp

Filesize
908KB

Download
memory/1940-2-0x0000000002600000-0x00000000026E3000-memory.dmp

Filesize
908KB

Download
memory/1940-5-0x0000000002600000-0x00000000026E3000-memory.dmp

Filesize
908KB

Download
memory/1940-8-0x0000000002600000-0x00000000026E3000-memory.dmp

Filesize
908KB

Download
memory/1940-13-0x0000000002600000-0x00000000026E3000-memory.dmp

Filesize
908KB

Download
memory/1940-14-0x0000000002600000-0x00000000026E3000-memory.dmp

Filesize
908KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads