Overview

overview

10

Static

static

8

e53f7af33d...f9.exe

windows7-x64

10

e53f7af33d...f9.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    e53f7af33d8d2fcb0b17f95e68fb87d804e9507cd7bf3761fd0d6110847137f9

  • Size

    941KB

  • Sample

    230202-c4qv8sed44

  • MD5

    b3c5f884d334849afa4d1024e2bbf7de

  • SHA1

    7634756d77797d1bffcda94c41a3a024dd056e50

  • SHA256

    e53f7af33d8d2fcb0b17f95e68fb87d804e9507cd7bf3761fd0d6110847137f9

  • SHA512

    6caa0c024964e186ead12d44de0d291efd931d39ced91dc62fbfd69bd60ad0d00b295498e44f845a9021003427a67b110f667fbcbeaf52dab936e13fc58fc088

  • SSDEEP

    24576:fEx45zxI+PuzrsFW++jiel4HqK/Up4nt:rzxID3sFW++eesqEU2n

Score
10/10
discoveryevasionexploitpersistencespywarestealertrojanupx

Malware Config

Targets

    • Target

      e53f7af33d8d2fcb0b17f95e68fb87d804e9507cd7bf3761fd0d6110847137f9

    • Size

      941KB

    • MD5

      b3c5f884d334849afa4d1024e2bbf7de

    • SHA1

      7634756d77797d1bffcda94c41a3a024dd056e50

    • SHA256

      e53f7af33d8d2fcb0b17f95e68fb87d804e9507cd7bf3761fd0d6110847137f9

    • SHA512

      6caa0c024964e186ead12d44de0d291efd931d39ced91dc62fbfd69bd60ad0d00b295498e44f845a9021003427a67b110f667fbcbeaf52dab936e13fc58fc088

    • SSDEEP

      24576:fEx45zxI+PuzrsFW++jiel4HqK/Up4nt:rzxID3sFW++eesqEU2n

    Score
    10/10
    discoveryevasionexploitpersistencespywarestealertrojanupx

    • Modifies system executable filetype association

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Disables taskbar notifications via registry modification

      evasion

    • Executes dropped EXE

    • Possible privilege escalation attempt

      exploit

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Deletes itself

    • Modifies file permissions

      discovery

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Change Default File Association

1
T1042

Hidden Files and Directories

4
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Modify Registry

9
T1112

Hidden Files and Directories

4
T1158

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

File Permissions Modification

1
T1222

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks