Resubmissions

03-07-2024 22:59

240703-2yn7wszhlp 10

03-07-2024 16:13

240703-tn93lsyglf 10

03-07-2024 16:11

240703-tm84xsyfma 10

10-05-2024 16:25

240510-tw1h5shh47 10

24-08-2023 11:16

230824-nda8msdf8z 10

Analysis

  • max time kernel
    149s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 16:25

General

  • Target

    5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe

  • Size

    669KB

  • MD5

    ead18f3a909685922d7213714ea9a183

  • SHA1

    1270bd7fd62acc00447b30f066bb23f4745869bf

  • SHA256

    5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18

  • SHA512

    6e532d9c3d186e4dac38823ae9152056346e283613f0caf088b21a1b3e5f4f6cf3bad8c407168b1072895a386e3be0b8c11ad1cb326d3d3ff0eb8562052def91

  • SSDEEP

    6144:bLUHLyHlwFjxDi2nEZkQ4NXxp0XMgkBWPqdN/jGdfYY7SRA7j4YlvfYAAjJ:4uFi02nEZh4jp0XLuxGdgTm73vL

Malware Config

Extracted

Path

C:\Users\Public\Documents\_readme.txt

Ransom Note
ATTENTION! Don't worry my friend, you can return all your files! All your files like photos, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-T9WE5uiVT6 Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 046Sdsd3273yifhsisySD60h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1
URLs

https://we.tl/t-T9WE5uiVT6

Signatures

  • Renames multiple (150) files with added filename extension

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Modifies file permissions 1 TTPs 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 25 IoCs
  • Looks up external IP address via web service 6 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).

  • Program crash 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
    "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3564
    • C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Users\Admin\AppData\Local\7172f572-4f52-490d-a2db-cfb511e7a1af" /deny *S-1-1-0:(OI)(CI)(DE,DC)
      2⤵
      • Modifies file permissions
      PID:4852
    • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
      "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Admin IsNotAutoStart IsNotTask
      2⤵
      • Drops desktop.ini file(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2700
      • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
        "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --ForNetRes "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1 IsNotAutoStart IsNotTask
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4220
        • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
          "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Service 4220 "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1432
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 1096
            5⤵
            • Program crash
            PID:4940
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4220 -s 1736
          4⤵
          • Program crash
          PID:3176
      • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
        "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Service 2700 "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:920
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3564 -s 1848
      2⤵
      • Program crash
      PID:4860
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3564 -ip 3564
    1⤵
      PID:4256
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1432 -ip 1432
      1⤵
        PID:4920
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4220 -ip 4220
        1⤵
          PID:3304

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\Microsoft\Network\Downloader\edbtmp.log

          Filesize

          1.3MB

          MD5

          f782b09fd215d3d9bb898d61ea2e7a37

          SHA1

          a382348e9592bdf93dd10c49773b815a992fa7c7

          SHA256

          7bd4646090dff9875e08ea00e5727b11be19fcb850344856e66360c152835694

          SHA512

          9342bd7a0cbabd7e699ea545897a6403371a0034e4bea067a9662dad9e492c5fa9b27efa4c850e1c001c79d6a76ffe0dacb6831010e41c8d5e2a92bd5b898606

        • C:\ProgramData\Package Cache\{3A96B93E-763F-41E7-85C7-1F3CCC37EF27}v48.108.8828\dotnet-host-6.0.27-win-x64.msi

          Filesize

          736KB

          MD5

          c3c0fe1bf5f38a6c89cead208307b99c

          SHA1

          df5d4f184c3124d4749c778084f35a2c00066b0b

          SHA256

          f4f6d008e54b5a6bac3998fc3fe8e632c347d6b598813e3524d5489b84bd2eaf

          SHA512

          0f3e96d16c512e37025b04ff7989d60126c3d65fe868dbcfbeae4dac910ce04fc52d1089f0e41ce85c2def0182a927fdcc349094e74cdd21b45a42fde7f01806

        • C:\ProgramData\Package Cache\{662A0088-6FCD-45DD-9EA7-68674058AED5}v14.30.30704\packages\vcRuntimeMinimum_amd64\vc_runtimeMinimum_x64.msi

          Filesize

          180KB

          MD5

          b2e47100abd58190e40c8b6f9f672a36

          SHA1

          a754a78021b16e63d9e606cacc6de4fcf6872628

          SHA256

          889217bcb971387bc3cb6d76554646d2b0822eceb102320d40adf2422c829128

          SHA512

          d30da8c901e063df5901d011b22a01f884234ddddd44b9e81b3c43d93a51e10342074523339d155d69ff03a03a1df66c7d19e0137a16f47735b5b600616ca2a9

        • C:\ProgramData\Package Cache\{CE4D7AE0-FCBA-486F-A58F-DBA3626FBE4B}v56.64.8781\dotnet-runtime-7.0.16-win-x64.msi

          Filesize

          18.6MB

          MD5

          f39ccd391d5e170fc0e26031e9ae4456

          SHA1

          e0f74958ed987a1edf644bcc193fbd09c31e8ca9

          SHA256

          ce036701bf79217e80903e864f3e31e726c90b2666577d08a31bdbd3a89bdff7

          SHA512

          365795e020718a482475fa83509c3151e3a13d3aa8473253d7d4df531ddcb4cf32326e18be7d45c71996ea9676e69c9577f4699eae85e989903beb30eabf40ac

        • C:\ProgramData\Package Cache\{E634F316-BEB6-4FB3-A612-F7102F576165}v48.108.8836\windowsdesktop-runtime-6.0.27-win-x64.msi

          Filesize

          18.2MB

          MD5

          b45850c2984196ed3123e82752fad807

          SHA1

          6697755cef28060e37c67b872584651bddbca068

          SHA256

          d4566ed9ff06edededa69942a4f8417b39496b90afd288b71493c3dac030480e

          SHA512

          140c9f07dd5f2164820ab0f76abe785be8d033ac11665d85823c10d7920bb20d735223ce26287316047fe0b933f12d92e8433f338458d490b3c094eca80b320e

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

          Filesize

          1KB

          MD5

          30ba39f0d9dfc242bcf5a13148c65714

          SHA1

          f35a36a5dd87eec68ee6d1e621224995838f30f2

          SHA256

          6cb7722d1559158bb31024e172b224988f0963e043cb8f60065c94c0e9f5b0a8

          SHA512

          bf732a235af263d14562f0f10495e910f18affdf4dd1f1f0507c470de7e9cc0d3f122f4e114962ab3342c434d71b20e97ee78dde7339a42300cb5a394f500a45

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

          Filesize

          724B

          MD5

          8202a1cd02e7d69597995cabbe881a12

          SHA1

          8858d9d934b7aa9330ee73de6c476acf19929ff6

          SHA256

          58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5

          SHA512

          97ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

          Filesize

          410B

          MD5

          949256e2223a692a985abb96697b8ca1

          SHA1

          dbfeabd70f9c6e086ec6589f5790182345bf2ed0

          SHA256

          2a838b5f9be167aa5a68befe9f8b392e0e36e8aca10baa648acba9bea185ce20

          SHA512

          ff92aea451bf2ac5ea8cbbdb148d7d5074de5a6b1fac4afd508fae4e991f3d91e78e3ad5565bf7c6b208ef9638baa38bde0d17bc307a36c2455698ad1b3dc26a

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

          Filesize

          392B

          MD5

          4b8c929004d397855148a22cb0df32fe

          SHA1

          6063ee39161284daf6425db33a2216786f8e6ed9

          SHA256

          3901d234ceadd44e5ba22942fed6388d8b47b99c27d31d57ea4cb237f3c1229a

          SHA512

          40f3e36e9ed3b259012cab1c6b8a80ceba5a9c3083c76a5cd205d1b7172ec4509d49bb01303770f3ad56c1ad4743332ea153a9064e6c3441e925da9f61a9c4dc

        • C:\Users\Admin\AppData\Local\7172f572-4f52-490d-a2db-cfb511e7a1af\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe

          Filesize

          669KB

          MD5

          ead18f3a909685922d7213714ea9a183

          SHA1

          1270bd7fd62acc00447b30f066bb23f4745869bf

          SHA256

          5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18

          SHA512

          6e532d9c3d186e4dac38823ae9152056346e283613f0caf088b21a1b3e5f4f6cf3bad8c407168b1072895a386e3be0b8c11ad1cb326d3d3ff0eb8562052def91

        • C:\Users\Public\Documents\_readme.txt

          Filesize

          1KB

          MD5

          d75064cfaac9c92f52aadf373dc7e463

          SHA1

          36ea05181d9b037694929ec81f276f13c7d2655c

          SHA256

          163ec5b903b6baadd32d560c44c1ea4dce241579a7493eb32c632eae9085d508

          SHA512

          43387299749f31c623c5dd4a53ff4d2eff5edfeb80fd4e2edd45860b5c9367d2767ae2ee9b60824b57301999dd2bd995b7d3bd5e7187e447aed76106272559d1

        • memory/920-28-0x0000000000400000-0x00000000004A9000-memory.dmp

          Filesize

          676KB

        • memory/920-34-0x0000000000400000-0x00000000004A9000-memory.dmp

          Filesize

          676KB

        • memory/920-27-0x0000000000400000-0x00000000004A9000-memory.dmp

          Filesize

          676KB

        • memory/1432-37-0x0000000000400000-0x00000000004A9000-memory.dmp

          Filesize

          676KB

        • memory/1432-36-0x0000000000400000-0x00000000004A9000-memory.dmp

          Filesize

          676KB

        • memory/1432-30-0x0000000000400000-0x00000000004A9000-memory.dmp

          Filesize

          676KB

        • memory/2700-17-0x0000000000400000-0x00000000004A9000-memory.dmp

          Filesize

          676KB

        • memory/2700-25-0x0000000000400000-0x00000000004A9000-memory.dmp

          Filesize

          676KB

        • memory/2700-23-0x0000000000400000-0x00000000004A9000-memory.dmp

          Filesize

          676KB

        • memory/2700-22-0x0000000000400000-0x00000000004A9000-memory.dmp

          Filesize

          676KB

        • memory/2700-12-0x0000000000400000-0x00000000004A9000-memory.dmp

          Filesize

          676KB

        • memory/3564-0-0x0000000000400000-0x00000000004A9000-memory.dmp

          Filesize

          676KB

        • memory/3564-14-0x0000000000400000-0x00000000004A9000-memory.dmp

          Filesize

          676KB

        • memory/3564-15-0x0000000000400000-0x0000000000476000-memory.dmp

          Filesize

          472KB

        • memory/3564-3-0x0000000000400000-0x0000000000476000-memory.dmp

          Filesize

          472KB

        • memory/3564-2-0x0000000000680000-0x0000000000780000-memory.dmp

          Filesize

          1024KB

        • memory/4220-33-0x0000000000400000-0x00000000004A9000-memory.dmp

          Filesize

          676KB

        • memory/4220-24-0x0000000000400000-0x00000000004A9000-memory.dmp

          Filesize

          676KB

        • memory/4220-38-0x0000000000400000-0x00000000004A9000-memory.dmp

          Filesize

          676KB