Overview

overview

10

Static

static

f8bda8f7b8...d8.exe

windows7-x64

10

f8bda8f7b8...d8.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f8bda8f7b883a80bb3e7953b0978c6be9c3284035acff88e46687979f7df58d8

  • Size

    52KB

  • Sample

    221124-at951sfd26

  • MD5

    15b2075052e8b14beb46419f6be6b126

  • SHA1

    bca2cb651851586c87d60a7885217f4a59d63620

  • SHA256

    f8bda8f7b883a80bb3e7953b0978c6be9c3284035acff88e46687979f7df58d8

  • SHA512

    0d48546770ce32fdce49f80f7587937fc2409380b3cd6095b0af5ebdca2006c97a8b359fc7ad492870d6371c1b9b784f1dd6fde7e87d784f55a495b32ce10a52

  • SSDEEP

    768:d+ciLamXW9XgMxjFkpvMVX8q18q13yO1+33j5n/wXkfw:IzaEW5gMxZVXf8a3yO10pwX

Score
10/10
evasionpersistencetrojan

Malware Config

Targets

    • Target

      f8bda8f7b883a80bb3e7953b0978c6be9c3284035acff88e46687979f7df58d8

    • Size

      52KB

    • MD5

      15b2075052e8b14beb46419f6be6b126

    • SHA1

      bca2cb651851586c87d60a7885217f4a59d63620

    • SHA256

      f8bda8f7b883a80bb3e7953b0978c6be9c3284035acff88e46687979f7df58d8

    • SHA512

      0d48546770ce32fdce49f80f7587937fc2409380b3cd6095b0af5ebdca2006c97a8b359fc7ad492870d6371c1b9b784f1dd6fde7e87d784f55a495b32ce10a52

    • SSDEEP

      768:d+ciLamXW9XgMxjFkpvMVX8q18q13yO1+33j5n/wXkfw:IzaEW5gMxZVXf8a3yO10pwX

    Score
    10/10
    evasionpersistencetrojan

    • Modifies WinLogon for persistence

      persistence

    • Modifies system executable filetype association

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Windows security bypass

      evasiontrojan

    • Blocks application from running via registry modification

      Adds application to list of disallowed applications.

      evasion

    • Disables RegEdit via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Executes dropped EXE

    • Sets file execution options in registry

      persistence

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Change Default File Association

1
T1042

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

Defense Evasion

Modify Registry

10
T1112

Hidden Files and Directories

2
T1158

Disabling Security Tools

2
T1089

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

1
T1490

Tasks