Overview

overview

10

Static

static

8

1e1f485d6f...fc.exe

windows7_x64

10

1e1f485d6f...fc.exe

windows10_x64

10

Sharing

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General

  • Target

    1e1f485d6ff89517fdcaf8f2e1e2a1a259c695a4ba0b5af81920da9f01b89bfc

  • Size

    1.8MB

  • Sample

    210302-4na6zmttzx

  • MD5

    98b4618d829c5757b2ca6f8b652f355d

  • SHA1

    6018b6ded21e2c646956302b29f07bd96012063b

  • SHA256

    1e1f485d6ff89517fdcaf8f2e1e2a1a259c695a4ba0b5af81920da9f01b89bfc

  • SHA512

    0cf3e9db973a0137ab335b84e532cdb7ab7711d452c0d738eba303830f1db5cab3ba905bb1766c260a6532b41a1acd1ebb9cec765790b9c905b440a2350c2aa4

Score
10/10
aspackv2persistence

Malware Config

Targets

    • Target

      1e1f485d6ff89517fdcaf8f2e1e2a1a259c695a4ba0b5af81920da9f01b89bfc

    • Size

      1.8MB

    • MD5

      98b4618d829c5757b2ca6f8b652f355d

    • SHA1

      6018b6ded21e2c646956302b29f07bd96012063b

    • SHA256

      1e1f485d6ff89517fdcaf8f2e1e2a1a259c695a4ba0b5af81920da9f01b89bfc

    • SHA512

      0cf3e9db973a0137ab335b84e532cdb7ab7711d452c0d738eba303830f1db5cab3ba905bb1766c260a6532b41a1acd1ebb9cec765790b9c905b440a2350c2aa4

    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