Overview

overview

10

Static

static

8

81eb4b1257...52.exe

windows7-x64

10

81eb4b1257...52.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    81eb4b1257833f003ae639a60cabc2abd055f760831c90ef91cf2d2e6af32f52

  • Size

    507KB

  • Sample

    221124-p1gjlshc91

  • MD5

    3491ee3d86952dca3af7218daebabeb6

  • SHA1

    771d4bded2a2217600e1bc3aecb5d52babd0e897

  • SHA256

    81eb4b1257833f003ae639a60cabc2abd055f760831c90ef91cf2d2e6af32f52

  • SHA512

    f03c3ef0934d9773a8c0c22fadbca1a1a6b90ecef297d4c31da68dd6f275df064b0bc5a72b444ed63fa08500e7ff3855082fd6ef06a6f4762ba6c2543fbf5a9c

  • SSDEEP

    6144:5uHOJnmy+g4VrG1VVE+Ih/UOPSe570Szp3b/UOPSe570Szp3EmULe/0Y23BUtRWn:gOJKupOB0vOB0Bi0ERcAA

Score
10/10
evasionpersistenceupx

Malware Config

Targets

    • Target

      81eb4b1257833f003ae639a60cabc2abd055f760831c90ef91cf2d2e6af32f52

    • Size

      507KB

    • MD5

      3491ee3d86952dca3af7218daebabeb6

    • SHA1

      771d4bded2a2217600e1bc3aecb5d52babd0e897

    • SHA256

      81eb4b1257833f003ae639a60cabc2abd055f760831c90ef91cf2d2e6af32f52

    • SHA512

      f03c3ef0934d9773a8c0c22fadbca1a1a6b90ecef297d4c31da68dd6f275df064b0bc5a72b444ed63fa08500e7ff3855082fd6ef06a6f4762ba6c2543fbf5a9c

    • SSDEEP

      6144:5uHOJnmy+g4VrG1VVE+Ih/UOPSe570Szp3b/UOPSe570Szp3EmULe/0Y23BUtRWn:gOJKupOB0vOB0Bi0ERcAA

    Score
    10/10
    evasionpersistenceupx

    • Modifies visibility of file extensions in Explorer

      evasion

    • Blocks application from running via registry modification

      Adds application to list of disallowed applications.

      evasion

    • Executes dropped EXE

    • Sets file execution options in registry

      persistence

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Loads dropped DLL

    • 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

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

2
T1158

Modify Registry

2
T1112

Credential Access

Discovery

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Exfiltration

Command and Control

Impact

Tasks