Overview

overview

10

Static

static

10

4c4477f81e...a2.exe

windows7-x64

10

4c4477f81e...a2.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    153s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/03/2024, 13:27

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General

  • Target

    4c4477f81ec823fa43bc2499d0fac1c8ccc1e828f1086aa8bfc7ba7122605da2.exe

  • Size

    775KB

  • MD5

    44fb0f501a68a977f383121e0b8dc2c2

  • SHA1

    d0c45e92dfd81418d6794d44a81c2f8f2a5656a3

  • SHA256

    4c4477f81ec823fa43bc2499d0fac1c8ccc1e828f1086aa8bfc7ba7122605da2

  • SHA512

    92cb15d0c2cd61698540c52dc7c61a19cc342f9daa49da72fd351faec5461f8ee7da6bb81b05825f410326b07918ba3e9bf0eac2816c6a36d5ab3501ede933ab

  • SSDEEP

    24576:+Cso9+OXLpMePfI8TgmBTCDqEbOpPtpFaHxfq:YvOXLpMePfzVTCD7gPtLaRfq

Score
10/10
avaddonevasionransomwaretrojan

Malware Config

Extracted

Path

C:\odt\8yOn8_readme_.txt

Family

avaddon

Ransom Note
-------=== Your network has been infected! ===------- ***************** DO NOT DELETE THIS FILE UNTIL ALL YOUR DATA HAVE BEEN RECOVERED ***************** All your documents, photos, databases and other important files have been encrypted and have the extension: .DDEEcBbBa You are not able to decrypt it by yourself. But don't worry, we can help you to restore all your files! The only way to restore your files is to buy our special software. Only we can give you this software and only we can restore your files! We have also downloaded a lot of private data from your network. If you do not contact as in a 3 days we will post information about your breach on our public news website (avaddongun7rngel.onion) and after 7 days the whole downloaded info. You can get more information on our page, which is located in a Tor hidden network. How to get to our page -------------------------------------------------------------------------------- | | 1. Download Tor browser - https://www.torproject.org/ | | 2. Install Tor browser | | 3. Open link in Tor browser - avaddonbotrxmuyl.onion | | 4. Follow the instructions on this page | -------------------------------------------------------------------------------- Your ID: -------------------------------------------------------------------------------- MTY2Mi1HNHQ5OWNLaCs4ZCsrZXdDYmdZTDRuR0dKL2ZZVzVkQ09STmJ2bkJuWlJuTE1nTklPWmRuczhWamNDSEtBQ21QdlhTMy9oc3RZaDJia0lSNUVmZ2dqcnNsRFJxcGU3eGtiWjZpWTZrUUk2eUNNUWtlZVRLa1R3ek5PeTBaY0QwVXNuOUNtUTJ3Q1RXRncvQng1K1I3dkEya3huUTZFdS8yNnVuaGlIMGJxQVV1Qm1hS2NvWUcyQk9PQ1hzaFRDbFBIVWpmODJsdmN0MUZ4SEorY05hZHJLWEpGM2tiTDdqVVJQU1VkNVNCL3hEbnlwMms0OHNISUo2RnREVWsyWjd4cHk4WEJmZHZKRi94bUNOQjlWN3pHeUtYSTh6SjFuMXR2TlZuTlg1RzRyMEFNY0tkeWt3cXc4REFKb05kZXVjc1lPaHlFb1FBSURDTzQ0OHllY09KWlowY2hPMURTSDI2OFUwYU15SkNhNEFpbU1ZenNqNG0rWHRNeDYyQjR6ckxBaExYOUNaRlpENTJnNWt2cVlKMzNGaTZvMFR6eHp1dDlYZldrWjZReHhIMDRFS2hKRmxuSXBBK3lxMmQzQ3F6bEsyOHdwTGlsUisveWVkbVhNVmcxNlg3RmxLQWU2ZjR5Q1NCZ1NET0dSODRyQlJmMktsQ2V1Q3R0L2pmWjlVQlZwY1lXUEl4NTZzbkxMMHlZelhhN0QreTlLYjdWcytqcWVnQzFQV3JLMSt5TXZMaHBFZ3pDcTBRRU1MZkVmajdmNTZoRGVKNFptdW01MzdnQVBzL3d5Vnl3ZmloRFowSUdIbnhZOUFORzVEazE3WjgyOExoQzVlRHpWWUk2akdORlhxODl1VWRBckFJNW1GYlhabEFWajdvbzc5dDBuUWt3SlZJQ0p5R1daMTc0RWRlcC8rVElwL2lFTTI3WmNOWVF6VjZVU0FLeDh2KzY5QXhPSjQ4Q3RPTjZVSElXeEY4MXE1V0RjbzZDYlFad0hWRWhLK2huVjMyZ1RqRmViMFJKc2ZXbGlVMkdLY0crdHhWZW5wU0FOTVhFYlQyVVZ0U0lKVTBRc0h5NkxlTW9yOTc2Vkw2UnMrZ0dWdzhBR0ZYeG1HVGFRSkorM1Jab0lXakJxbTJJYXBGZlZzSzBMaXZOd2gzeWFSTlptV0htVDdoZmxJU21NVFp1TjdJZjA5K2lyRTB2VkV0UDZvYTAzMHRESWgwZXUrbk9weHFsVUlaU2pWcllPNndlWEdvT3ZRZ3MwNUM2QlNuZ0NXTXBTTFlFK0poQkd3UzVtYW9tRFhIU21YV2lGblFOTkFWMG5qTUxaaGlVMUM1L20zZWRRTmc4YTNhSGJ0Z3Q3dHJpKzlQVkJuZWhNME5kWS9tTzZyc1huck9iQXFTMmFNaWJsWnJKZWR6WWh3bElWTkxjMVVsTlkwbXV3eEVGeGttb3hMQmNUUDVnRC9IUks3eU9VcnNCTjF3ZmJOSDdBczZWVHV2N25sSmJJNkJrYW1yajlJWlc3MTNiR2M0aEZzVjZyNGFZNldXK2h2elY0QWNJWUdyVkQ0Z1hsOUxZaEpKNldYRXhmTDRKV080Zi9WL2VuZTBmTSsrRUhCSUlIMFNZRDVEWG9sQ3lORW1pZXpPeGVJRTc1TGhqRGRyTEhMdW90aDFRNHdQSzZQVXM4Lzh2WWFpWUc0bFFFSlhSdWltbThOTXpXRGJOWklTUUhsb2VpTTVocXpiSHI5ZGJPTUxMdTZlMWU3dEVpQnUwNU9aSllBSlNNZEZnVTFacndYV1ptVG9rRThFdldhQkMwRWJLZFhiVmxSSjVzZ0RvUXU2MXE5NkRKU0RSV09BZlFHS3BuQ1I4SnU3WUNJUUNoTEsza2V5eEtQYVRKU2p3ZVJPTjJIZDJhalY4Nys3SnVjVCtWNCtpSVFKY0VUMWR6b2FQV1plcDR2d09pZ3oyZ2RPS3BFc1B4bHdERUtYdnZLaTNyL3VWYnBxVkFQV1NOeGREQlRmRkJwc0dkWnl2RDZNcUJYRHdVNkR6TjNPVzhoRWE1R1RaK2Ftc21sSGs4YXAwTkY1TGRLNUI2L0hzc3RxaDNVdlBhYTljNVhaODZwaVpFK2hxbXQ4OFlTbXRwTEU4MFlDNmZGcGdLQTJjSkdNbk01SXc4OUNMUT09 -------------------------------------------------------------------------------- * DO NOT TRY TO RECOVER FILES YOURSELF! * DO NOT MODIFY ENCRYPTED FILES! * * * OTHERWISE, YOU MAY LOSE ALL YOUR FILES FOREVER! * * * YBnlbrUSmJPP
URLs

http://avaddongun7rngel.onion

http://avaddonbotrxmuyl.onion

Extracted

Path

C:\Users\Admin\Downloads\8yOn8_readme_.txt

Family

avaddon

Ransom Note
-------=== Your network has been infected! ===------- ***************** DO NOT DELETE THIS FILE UNTIL ALL YOUR DATA HAVE BEEN RECOVERED ***************** All your documents, photos, databases and other important files have been encrypted and have the extension: .DDEEcBbBa You are not able to decrypt it by yourself. But don't worry, we can help you to restore all your files! The only way to restore your files is to buy our special software. Only we can give you this software and only we can restore your files! We have also downloaded a lot of private data from your network. If you do not contact as in a 3 days we will post information about your breach on our public news website (avaddongun7rngel.onion) and after 7 days the whole downloaded info. You can get more information on our page, which is located in a Tor hidden network. How to get to our page -------------------------------------------------------------------------------- | | 1. Download Tor browser - https://www.torproject.org/ | | 2. Install Tor browser | | 3. Open link in Tor browser - avaddonbotrxmuyl.onion | | 4. Follow the instructions on this page | -------------------------------------------------------------------------------- Your ID: -------------------------------------------------------------------------------- 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 -------------------------------------------------------------------------------- * DO NOT TRY TO RECOVER FILES YOURSELF! * DO NOT MODIFY ENCRYPTED FILES! * * * OTHERWISE, YOU MAY LOSE ALL YOUR FILES FOREVER! * * * kw0yHF3ZS3pWinij4Ea
URLs

http://avaddongun7rngel.onion

http://avaddonbotrxmuyl.onion

Signatures

  • Avaddon

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

    ransomwareavaddon
  • Avaddon payload 1 IoCs
  • Process spawned unexpected child process 3 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

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

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Renames multiple (154) files with added filename extension

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

    ransomware
  • Executes dropped EXE 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Drops desktop.ini file(s) 1 IoCs
  • Enumerates connected drives 3 TTPs 23 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).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 9 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\4c4477f81ec823fa43bc2499d0fac1c8ccc1e828f1086aa8bfc7ba7122605da2.exe
    "C:\Users\Admin\AppData\Local\Temp\4c4477f81ec823fa43bc2499d0fac1c8ccc1e828f1086aa8bfc7ba7122605da2.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:4264
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic SHADOWCOPY DELETE /nointeractive
      2⤵
        PID:1296
      • C:\Windows\SysWOW64\Wbem\wmic.exe
        wmic SHADOWCOPY DELETE /nointeractive
        2⤵
          PID:696
        • C:\Windows\SysWOW64\Wbem\wmic.exe
          wmic SHADOWCOPY DELETE /nointeractive
          2⤵
            PID:4076
        • C:\Windows\system32\wbem\wmic.exe
          wmic SHADOWCOPY DELETE /nointeractive
          1⤵
          • Process spawned unexpected child process
          • Suspicious use of AdjustPrivilegeToken
          PID:4760
        • C:\Windows\system32\wbem\wmic.exe
          wmic SHADOWCOPY DELETE /nointeractive
          1⤵
          • Process spawned unexpected child process
          • Suspicious use of AdjustPrivilegeToken
          PID:1504
        • C:\Windows\system32\wbem\wmic.exe
          wmic SHADOWCOPY DELETE /nointeractive
          1⤵
          • Process spawned unexpected child process
          • Suspicious use of AdjustPrivilegeToken
          PID:3544
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
            PID:3176
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1428 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
            1⤵
              PID:5176
            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\4c4477f81ec823fa43bc2499d0fac1c8ccc1e828f1086aa8bfc7ba7122605da2.exe
              C:\Users\Admin\AppData\Roaming\Microsoft\Windows\4c4477f81ec823fa43bc2499d0fac1c8ccc1e828f1086aa8bfc7ba7122605da2.exe
              1⤵
              • Executes dropped EXE
              PID:5776

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\4c4477f81ec823fa43bc2499d0fac1c8ccc1e828f1086aa8bfc7ba7122605da2.exe
              Filesize

              775KB

              MD5

              44fb0f501a68a977f383121e0b8dc2c2

              SHA1

              d0c45e92dfd81418d6794d44a81c2f8f2a5656a3

              SHA256

              4c4477f81ec823fa43bc2499d0fac1c8ccc1e828f1086aa8bfc7ba7122605da2

              SHA512

              92cb15d0c2cd61698540c52dc7c61a19cc342f9daa49da72fd351faec5461f8ee7da6bb81b05825f410326b07918ba3e9bf0eac2816c6a36d5ab3501ede933ab

              Download Submit

            • C:\Users\Admin\Downloads\8yOn8_readme_.txt
              Filesize

              3KB

              MD5

              cfc12ac0b34e5a90077b96755826080a

              SHA1

              6d74b5674435c3a0d9bdb457dc74554b02da30e2

              SHA256

              7702a23e824da1220ed00d46a5f3a00d8842a9a35a202a149769e4aa3114cb43

              SHA512

              e5c67dd1d93911b58a7418b37a5f526f4e575d9e08f92f1f5b3242a1868326362adac913a6d8ebd284147a96b8adcac072d2c99443844717aeb739197fc72ef4

              Download Submit

            • C:\odt\8yOn8_readme_.txt
              Filesize

              3KB

              MD5

              e2678b93656fa0a5c7110f28c668f757

              SHA1

              811237982472aa54452745ccae01e9d2c2c6d260

              SHA256

              44da06d0dc1456dee0c23f8fcff441a5de75acbc4f5805d76a7dc3a3602d572e

              SHA512

              346505561318b447db4a34a55df6a891260f94c06f50db1fc7037d341cacd6095c35798653c423f39f019ede9916d572268d25f846460022417dd3868323fe02

              Download Submit