Overview

overview

9

Static

static

7

f89e6574b1...b1.exe

windows7_x64

9

f89e6574b1...b1.exe

windows10_x64

9

Sharing

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General

  • Target

    f89e6574b1c8ef75de7a1b8570efad71e67581c5611f05ba673d956c8323afb1.exe

  • Size

    4.7MB

  • Sample

    220113-b53qrafbd4

  • MD5

    6c852f6e071902e2076dee0d4708610b

  • SHA1

    7642e262e9767e2e124476288b249b5aba2eb812

  • SHA256

    f89e6574b1c8ef75de7a1b8570efad71e67581c5611f05ba673d956c8323afb1

  • SHA512

    4a5f613fb29694aa78aaa86ecb88e88d33b3eb8d8c14bded7af53968da01a265f63b3ab261da302208bae169e7b0ad39e4bec36696af85ea52d58745ecb4d044

Score
9/10
evasionransomwarespywarestealerthemidatrojan

Malware Config

Targets

    • Target

      f89e6574b1c8ef75de7a1b8570efad71e67581c5611f05ba673d956c8323afb1.exe

    • Size

      4.7MB

    • MD5

      6c852f6e071902e2076dee0d4708610b

    • SHA1

      7642e262e9767e2e124476288b249b5aba2eb812

    • SHA256

      f89e6574b1c8ef75de7a1b8570efad71e67581c5611f05ba673d956c8323afb1

    • SHA512

      4a5f613fb29694aa78aaa86ecb88e88d33b3eb8d8c14bded7af53968da01a265f63b3ab261da302208bae169e7b0ad39e4bec36696af85ea52d58745ecb4d044

    Score
    9/10
    evasionransomwarespywarestealerthemidatrojan

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Drops startup file

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Checks whether UAC is enabled

      evasiontrojan

    • Enumerates connected drives

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

2
T1107

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2
T1490

Tasks