Overview

overview

10

Static

static

9

01aa2cf8db...93.exe

windows7-x64

10

01aa2cf8db...93.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    184s
  • max time network
    229s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-03-2023 15:54

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General

  • Target

    01aa2cf8db4badde36f1896d341e31c0fe91a51772f1aa50b9f59ba368973993.exe

  • Size

    2.0MB

  • MD5

    f8290f2d593a05ea811edbd3bff6eacc

  • SHA1

    497985116f4ebaa05f1774c16adb5aa52b8e9756

  • SHA256

    01aa2cf8db4badde36f1896d341e31c0fe91a51772f1aa50b9f59ba368973993

  • SHA512

    97e4563b6112e4f6c7ee46cc1e18de931d4e052d387e6c37f7fdd7d352ef817778bd95041eeaf05e2bdf657afa1b09e52f4933ca22c6ea8f98983d8c13b56c14

  • SSDEEP

    24576:AxT2+3dmY7FF1JLurH0q7kRZLJn0A0ffqN3CzPtakNLIE4GPoyP:f+NmY7FFHurUayLLKCdCzPtFZb

Score
10/10
avaddonevasionransomwaretrojan

Malware Config

Signatures

  • Avaddon

    Ransomware-as-a-service first released in June 2020 and currently expanding its userbase among criminal actors.

    ransomwareavaddon
  • Avaddon payload 3 IoCs
  • UAC bypass 3 TTPs 2 IoCs
    evasiontrojan
  • Modifies extensions of user files 9 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Drops desktop.ini file(s) 1 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 63 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • System policy modification 1 TTPs 3 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\01aa2cf8db4badde36f1896d341e31c0fe91a51772f1aa50b9f59ba368973993.exe
    "C:\Users\Admin\AppData\Local\Temp\01aa2cf8db4badde36f1896d341e31c0fe91a51772f1aa50b9f59ba368973993.exe"
    1⤵
    • UAC bypass
    • Modifies extensions of user files
    • Checks whether UAC is enabled
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2736
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4580
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1720
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3548

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Modify Registry

2
T1112

Credential Access

Discovery

System Information Discovery

3
T1082

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/2736-133-0x00000000023C0000-0x00000000024CE000-memory.dmp
    Filesize

    1.1MB

    Download
  • memory/2736-134-0x0000000000400000-0x0000000000605000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/2736-466-0x0000000000400000-0x0000000000605000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/2736-491-0x0000000000400000-0x0000000000605000-memory.dmp
    Filesize

    2.0MB

    Download