Overview

overview

8

Static

static

333.exe

windows7_x64

8

333.exe

windows10_x64

8

Analysis

  • max time kernel
    19s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    07-05-2021 14:14

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General

  • Target

    333.exe

  • Size

    780KB

  • MD5

    d33013cb6b28255069fcfea0575f49e9

  • SHA1

    fd4a4a0ad4e15d2c6a0d9b8bbe7dcde95bada378

  • SHA256

    5178fb0c885be51a83a0c53f56e86564548e65080913940eac96d9562270c299

  • SHA512

    63aca05c9dcfd89219da86cccd196b15cc6afdc22f64dde189fcea95d8c116fd0194d930568760e39899ee2a4b3893b3868a5df563e2573f7840c2531d416d63

Score
8/10
evasionpersistenceransomware

Malware Config

Signatures

  • Disables Task Manager via registry modification
    evasion
  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Program crash 1 IoCs
  • Modifies Control Panel 2 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\333.exe
    "C:\Users\Admin\AppData\Local\Temp\333.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Sets desktop wallpaper using registry
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:572
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 572 -s 6068
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3528

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Defacement

1
T1491

Replay Monitor

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Downloads

  • memory/572-114-0x00000000001F0000-0x00000000001F1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/572-116-0x0000000000AC0000-0x0000000000AC1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/572-117-0x0000000004E30000-0x0000000004E31000-memory.dmp
    Filesize

    4KB

    Download
  • memory/572-118-0x0000000004D70000-0x0000000004E25000-memory.dmp
    Filesize

    724KB

    Download
  • memory/572-119-0x0000000000AD0000-0x0000000000AD1000-memory.dmp
    Filesize

    4KB

    Download