Overview

overview

10

Static

static

10

87dd4fa4c6...b2.exe

windows7-x64

8

87dd4fa4c6...b2.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-03-2023 02:30

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General

  • Target

    87dd4fa4c64c5cb6f8c62fc78ba7d6b2.exe

  • Size

    37KB

  • MD5

    87dd4fa4c64c5cb6f8c62fc78ba7d6b2

  • SHA1

    2e61aa8b483abff6b8ca7b2c579e11ba2d17533c

  • SHA256

    87a45ccd4752b8201dd2d4f5271966b3b6175ac203710d7f6a2f2b64a35dd2cc

  • SHA512

    6906809d9711698d4baae457688c9a787a34d595f2ef86ea3d550e11a43fda2547ed147123ecee9025846659b47689be878230da2cd9f65af3628d71bcf937b7

  • SSDEEP

    384:XIbsiDlT95hL5YyUvjh/xOi4aaF3lrAF+rMRTyN/0L+EcoinblneHQM3epzXCNrx:45v5zUvjhDlaRlrM+rMRa8NusVt

Score
8/10
evasionpersistence

Malware Config

Signatures

  • Modifies Windows Firewall 1 TTPs 1 IoCs
    evasion
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops autorun.inf file 1 TTPs 3 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\87dd4fa4c64c5cb6f8c62fc78ba7d6b2.exe
    "C:\Users\Admin\AppData\Local\Temp\87dd4fa4c64c5cb6f8c62fc78ba7d6b2.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Drops autorun.inf file
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2260
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\87dd4fa4c64c5cb6f8c62fc78ba7d6b2.exe" "87dd4fa4c64c5cb6f8c62fc78ba7d6b2.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      PID:2272

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/2260-133-0x00000000015C0000-0x00000000015D0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2260-139-0x00000000015C0000-0x00000000015D0000-memory.dmp
    Filesize

    64KB

    Download