Overview

overview

10

Static

static

8

45a787ae9c...05.exe

windows7_x64

10

45a787ae9c...05.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    45a787ae9cb457db3cad5811a421af21ef417cec13fc0279e9f6a89c39523805

  • Size

    689KB

  • Sample

    220707-nb1eragef4

  • MD5

    4ce8b7b64434758644fe5b65c40c7dab

  • SHA1

    ec61f7cff00954f762d62acabc7eafd60e8436df

  • SHA256

    45a787ae9cb457db3cad5811a421af21ef417cec13fc0279e9f6a89c39523805

  • SHA512

    1f115b8d2c16451fad74d9b7a85ead60aac3d3bcaf6239ff97651d9f3a384d78d21477315eefb2fd079d53c505ba533ad8d36a16382a48bf9d2039e77abe1816

Score
10/10
aspackv2persistence

Malware Config

Targets

    • Target

      45a787ae9cb457db3cad5811a421af21ef417cec13fc0279e9f6a89c39523805

    • Size

      689KB

    • MD5

      4ce8b7b64434758644fe5b65c40c7dab

    • SHA1

      ec61f7cff00954f762d62acabc7eafd60e8436df

    • SHA256

      45a787ae9cb457db3cad5811a421af21ef417cec13fc0279e9f6a89c39523805

    • SHA512

      1f115b8d2c16451fad74d9b7a85ead60aac3d3bcaf6239ff97651d9f3a384d78d21477315eefb2fd079d53c505ba533ad8d36a16382a48bf9d2039e77abe1816

    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