Overview

overview

10

Static

static

10

58bfb9fa88...le.exe

windows7_x64

58bfb9fa88...le.exe

windows10_x64

10

Resubmissions

05-09-2023 10:11

230905-l7zrzseh58 10

26-07-2021 12:40

210726-vs5ps9f646 10

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General

  • Target

    58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.sample

  • Size

    82KB

  • Sample

    210726-vs5ps9f646

  • MD5

    e01e11dca5e8b08fc8231b1cb6e2048c

  • SHA1

    4983d07f004436caa3f10b38adacbba6a4ede01a

  • SHA256

    58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f

  • SHA512

    298bfb9fe55ddd80f1c6671622d7e9e865899a855b5bb8e0d85d8520160cedca6fd8bc72c9881925477bcab883bf6e6f4c69f997b774b74fe992e023a81269de

Score
10/10
thanosevasionpersistenceransomwaretrojan

Malware Config

Targets

    • Target

      58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.sample

    • Size

      82KB

    • MD5

      e01e11dca5e8b08fc8231b1cb6e2048c

    • SHA1

      4983d07f004436caa3f10b38adacbba6a4ede01a

    • SHA256

      58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f

    • SHA512

      298bfb9fe55ddd80f1c6671622d7e9e865899a855b5bb8e0d85d8520160cedca6fd8bc72c9881925477bcab883bf6e6f4c69f997b774b74fe992e023a81269de

    Score
    10/10
    evasionpersistenceransomwaretrojan

    • Modifies WinLogon for persistence

      persistence

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Drops startup file

    • Windows security modification

      evasiontrojan

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Modifies WinLogon

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

2
T1004

Modify Existing Service

1
T1031

Privilege Escalation

Defense Evasion

Modify Registry

5
T1112

Disabling Security Tools

2
T1089

File Deletion

2
T1107

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

3
T1490

Tasks