Overview

overview

10

Static

static

8

f5b1a081c6...59.exe

windows7_x64

10

f5b1a081c6...59.exe

windows10_x64

10

Sharing

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General

  • Target

    f5b1a081c62954bddf72533825ecd3224f547d7e1239623fabfa91d3701ca059

  • Size

    1.4MB

  • Sample

    210302-x6aahkvrts

  • MD5

    57b3afae2cee2d758db73108d1e6d6f7

  • SHA1

    62b87088a4c4653c38faafdf9a73ed8f178db967

  • SHA256

    f5b1a081c62954bddf72533825ecd3224f547d7e1239623fabfa91d3701ca059

  • SHA512

    6065244a2a2d67194d7b9f627722c07d96bc71d7dad62150bc3a3589d585bc041a63c417f4d120b5f8cad077fc1292bfc3a943215e19f97fa41976b235ec6e34

Score
10/10
aspackv2persistence

Malware Config

Targets

    • Target

      f5b1a081c62954bddf72533825ecd3224f547d7e1239623fabfa91d3701ca059

    • Size

      1.4MB

    • MD5

      57b3afae2cee2d758db73108d1e6d6f7

    • SHA1

      62b87088a4c4653c38faafdf9a73ed8f178db967

    • SHA256

      f5b1a081c62954bddf72533825ecd3224f547d7e1239623fabfa91d3701ca059

    • SHA512

      6065244a2a2d67194d7b9f627722c07d96bc71d7dad62150bc3a3589d585bc041a63c417f4d120b5f8cad077fc1292bfc3a943215e19f97fa41976b235ec6e34

    Score
    10/10
    aspackv2persistence

    • Modifies WinLogon for persistence

      persistence

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

      aspackv2

    • Executes dropped EXE

    • Drops startup file

    • Loads dropped DLL

    • Enumerates connected drives

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

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Winlogon Helper DLL

1
T1004

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Exfiltration

Command and Control

Impact

Tasks