Overview

overview

10

Static

static

8

2fdbcb230a...ca.exe

windows7_x64

10

2fdbcb230a...ca.exe

windows10_x64

10

Sharing

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General

  • Target

    2fdbcb230a86d9dafb3c1ac49b4ee47a76c280846e0a430b618b6c8ac95068ca

  • Size

    3.2MB

  • Sample

    210302-rq9rq5jafe

  • MD5

    66d87d4a78681189b0fc82c6bd48e277

  • SHA1

    ccf1d26a7851e703c42f1ec415af1930f63f6dff

  • SHA256

    2fdbcb230a86d9dafb3c1ac49b4ee47a76c280846e0a430b618b6c8ac95068ca

  • SHA512

    a43415e57af4d96f2d89a8a2d4c2ee436f3e6d92f56b6b90357dc6988be9eb7269f358b104bc789349ba41b72f4c276de912fea6ff47c240e3c2f546ec08396d

Score
10/10
aspackv2persistence

Malware Config

Targets

    • Target

      2fdbcb230a86d9dafb3c1ac49b4ee47a76c280846e0a430b618b6c8ac95068ca

    • Size

      3.2MB

    • MD5

      66d87d4a78681189b0fc82c6bd48e277

    • SHA1

      ccf1d26a7851e703c42f1ec415af1930f63f6dff

    • SHA256

      2fdbcb230a86d9dafb3c1ac49b4ee47a76c280846e0a430b618b6c8ac95068ca

    • SHA512

      a43415e57af4d96f2d89a8a2d4c2ee436f3e6d92f56b6b90357dc6988be9eb7269f358b104bc789349ba41b72f4c276de912fea6ff47c240e3c2f546ec08396d

    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