Overview

overview

10

Static

static

3

48689c986e...2c.exe

windows7-x64

10

48689c986e...2c.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    162s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17-04-2024 13:37

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General

  • Target

    48689c986eb553e6a7aeba973501b9660cb1418d4ec3ba9d0511f82799d1422c.exe

  • Size

    645KB

  • MD5

    79cdf459683c39e9704a37a6be9bc877

  • SHA1

    450d4f351c3dd168e313b309da4bd8a817453d1d

  • SHA256

    48689c986eb553e6a7aeba973501b9660cb1418d4ec3ba9d0511f82799d1422c

  • SHA512

    2cc3f164e92650c4d4aed7012da7d303d24cdc63565ed744a28cb6d59465189233a128a01f4b807aa972057e0d0d98742c5ca9b41a67bf59f0f115de30eb6bd4

  • SSDEEP

    12288:Ya8gND5n7gG2WERaCyDVbdlSQLeYBgdAULx9mutZo5B:YgNDBg3JRaCyDVplSUBgrHtZor

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 5 IoCs
  • UAC bypass 3 TTPs 2 IoCs
    evasiontrojan
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Renames multiple (164) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    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.

  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 3 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 63 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • System policy modification 1 TTPs 3 IoCs
    evasion
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\48689c986eb553e6a7aeba973501b9660cb1418d4ec3ba9d0511f82799d1422c.exe
    "C:\Users\Admin\AppData\Local\Temp\48689c986eb553e6a7aeba973501b9660cb1418d4ec3ba9d0511f82799d1422c.exe"
    1⤵
    • UAC bypass
    • Checks whether UAC is enabled
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2176
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2500
    • C:\Windows\SysWOW64\vssadmin.exe
      vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:1168
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1984
    • C:\Windows\SysWOW64\vssadmin.exe
      vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:2360
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2476
    • C:\Windows\SysWOW64\vssadmin.exe
      vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:2840
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2176-1-0x0000000003440000-0x0000000003540000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/2176-2-0x0000000003540000-0x0000000003657000-memory.dmp

    Filesize

    1.1MB

    Download

  • memory/2176-3-0x0000000000400000-0x000000000330D000-memory.dmp

    Filesize

    47.1MB

    Download

  • memory/2176-219-0x0000000000400000-0x000000000330D000-memory.dmp

    Filesize

    47.1MB

    Download

  • memory/2176-336-0x0000000000400000-0x000000000330D000-memory.dmp

    Filesize

    47.1MB

    Download

  • memory/2176-337-0x0000000003440000-0x0000000003540000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/2176-338-0x0000000003540000-0x0000000003657000-memory.dmp

    Filesize

    1.1MB

    Download