Overview

overview

10

Static

static

8

3b1d830883...50.exe

windows7_x64

10

3b1d830883...50.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    3b1d83088375036d9175967cd53c0eb2ac8a351ffd7330b21478cd3d42dbf250

  • Size

    1.1MB

  • Sample

    220703-v91lqsafej

  • MD5

    9a2031a0649f7f7af06ecd57a6b64546

  • SHA1

    5d3741060fb4babe79203b036bc60da4fd1b1019

  • SHA256

    3b1d83088375036d9175967cd53c0eb2ac8a351ffd7330b21478cd3d42dbf250

  • SHA512

    b2e225edc4b55de03123c505b87c0dd38bbfa84009a6d506125aafebf4b17e26c871c5402951a23953b41dbb140ec378358c5820aefb142363276bec77c0e987

Score
10/10
aspackv2persistence

Malware Config

Targets

    • Target

      3b1d83088375036d9175967cd53c0eb2ac8a351ffd7330b21478cd3d42dbf250

    • Size

      1.1MB

    • MD5

      9a2031a0649f7f7af06ecd57a6b64546

    • SHA1

      5d3741060fb4babe79203b036bc60da4fd1b1019

    • SHA256

      3b1d83088375036d9175967cd53c0eb2ac8a351ffd7330b21478cd3d42dbf250

    • SHA512

      b2e225edc4b55de03123c505b87c0dd38bbfa84009a6d506125aafebf4b17e26c871c5402951a23953b41dbb140ec378358c5820aefb142363276bec77c0e987

    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