Overview

overview

10

Static

static

8c9afafb0e...aa.exe

windows7-x64

10

8c9afafb0e...aa.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 13:42

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General

  • Target

    8c9afafb0efb7a3e581ca7532559fc61e6e68453d7b25af593a213087a6120aa.exe

  • Size

    252KB

  • MD5

    9c3c2d233af68d4db475af9a92936527

  • SHA1

    1cc52fbb0489470ce88411960b498554dcad7786

  • SHA256

    8c9afafb0efb7a3e581ca7532559fc61e6e68453d7b25af593a213087a6120aa

  • SHA512

    25fd014db666a8a6602aae5531266d4b890054709f5e9090b00949526b55f99a429a5edca5243a7f0947b78b21312cb70e6b4986fea07e400a4280c078173858

  • SSDEEP

    6144:Yg9SJ3GmB+gw8quOMdwD5xTse7P+BMbA5QwEgNV0gShqlHfl:FSJWmMB6OM6VxAeD+qbA5LEgNKhCHfl

Score
10/10
discoverypersistence

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

    discovery
  • Modifies WinLogon 2 TTPs 2 IoCs
    persistence
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c9afafb0efb7a3e581ca7532559fc61e6e68453d7b25af593a213087a6120aa.exe
    "C:\Users\Admin\AppData\Local\Temp\8c9afafb0efb7a3e581ca7532559fc61e6e68453d7b25af593a213087a6120aa.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Adds Run key to start application
    • Modifies WinLogon
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1952

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

2
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

3
T1112

Credential Access

Discovery

Network Service Scanning

1
T1046

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/1952-132-0x0000000002100000-0x0000000002166000-memory.dmp
    Filesize

    408KB

    Download
  • memory/1952-133-0x0000000000400000-0x0000000000476000-memory.dmp
    Filesize

    472KB

    Download
  • memory/1952-134-0x0000000002170000-0x0000000002222000-memory.dmp
    Filesize

    712KB

    Download
  • memory/1952-135-0x00000000027A0000-0x0000000002858000-memory.dmp
    Filesize

    736KB

    Download
  • memory/1952-136-0x0000000002100000-0x0000000002166000-memory.dmp
    Filesize

    408KB

    Download
  • memory/1952-137-0x00000000027A0000-0x0000000002858000-memory.dmp
    Filesize

    736KB

    Download