Overview

overview

10

Static

static

8

7f4fdb9da1...51.exe

windows7_x64

10

7f4fdb9da1...51.exe

windows10_x64

10

Sharing

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General

  • Target

    7f4fdb9da1d3e735a0a8bc08915e94ac89b01b3b02363b52e2bfa2b667a4cc51

  • Size

    1.4MB

  • Sample

    210302-8p5w75kk6x

  • MD5

    51df51796f5f58d9fa161c365647f79e

  • SHA1

    c7139206a6a17c62c551318268b1d9d0323849db

  • SHA256

    7f4fdb9da1d3e735a0a8bc08915e94ac89b01b3b02363b52e2bfa2b667a4cc51

  • SHA512

    b62c91f79107aab63a4fc881fd50877772fbea232313d0545726e03bfed21a0653a6745e82da3fd28533e4ae0ce0644a7dd7c08a8651cf57e3e7cc1e420b9013

Score
10/10
aspackv2persistence

Malware Config

Targets

    • Target

      7f4fdb9da1d3e735a0a8bc08915e94ac89b01b3b02363b52e2bfa2b667a4cc51

    • Size

      1.4MB

    • MD5

      51df51796f5f58d9fa161c365647f79e

    • SHA1

      c7139206a6a17c62c551318268b1d9d0323849db

    • SHA256

      7f4fdb9da1d3e735a0a8bc08915e94ac89b01b3b02363b52e2bfa2b667a4cc51

    • SHA512

      b62c91f79107aab63a4fc881fd50877772fbea232313d0545726e03bfed21a0653a6745e82da3fd28533e4ae0ce0644a7dd7c08a8651cf57e3e7cc1e420b9013

    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