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Analysis

  • max time kernel
    149s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-07-2024 18:03

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 (170) 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 6 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) 21 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 4 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:4960
    • C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Users\Admin\AppData\Local\703fd9d4-8d5f-462d-88bb-54cb3ab342f7" /deny *S-1-1-0:(OI)(CI)(DE,DC)
      2⤵
      • Modifies file permissions
      PID:2364
    • 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:4112
      • 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:3236
        • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
          "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Service 3236 "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1472
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 1216
            5⤵
            • Program crash
            PID:4984
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3236 -s 1640
          4⤵
          • Program crash
          PID:2712
      • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
        "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Service 4112 "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:688
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 688 -s 1308
          4⤵
          • Program crash
          PID:3240
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4960 -s 2148
      2⤵
      • Program crash
      PID:4456
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4960 -ip 4960
    1⤵
      PID:2964
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1472 -ip 1472
      1⤵
        PID:3164
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 3236 -ip 3236
        1⤵
          PID:948
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 688 -ip 688
          1⤵
            PID:2568

          Network

          MITRE ATT&CK Matrix ATT&CK v13

          Persistence

          Boot or Logon Autostart Execution

          1
          T1547

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Privilege Escalation

          Boot or Logon Autostart Execution

          1
          T1547

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Defense Evasion

          File and Directory Permissions Modification

          1
          T1222

          Modify Registry

          1
          T1112

          Discovery

          Query Registry

          1
          T1012

          System Information Discovery

          2
          T1082

          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

            1.9MB

            MD5

            6662aba85c099beee42d535932da3fcd

            SHA1

            04fba7254b57d0079d7de24eed3ae551a0222a4e

            SHA256

            bb8e21aa6600d2e5a67e433eb579c675741059b7cabac86487afe1532f614b3b

            SHA512

            5730250dbdb1849b1fcd319a672e7bd094a06f48c3783e2cf21aa1e6027bbf66f0dbbefdb564f40a7b5ae3da682448533c23a0f159c162a1fff27ba1f795aee3

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

            1.7MB

            MD5

            a3bc92819af243aa1d1e8678a0264ba3

            SHA1

            a09e4e28e4627e175ddce45eba7e7e2613f618c3

            SHA256

            2eac4fff49b036a2d3f25ea8c7556ecca204dd84705f654d7888593261de787c

            SHA512

            b0e5b303c0fd3d02c54670d135d1f83fc2251a3c6e7b5c23d9ca5e149c7ed8e6bf1912743f06488d2494ca2907b9acbd4eb016097b9909b65ddaee15b87f2a05

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12
            Filesize

            1KB

            MD5

            2365869258df7a66a2121b802ca4afd9

            SHA1

            73acc30a2edeb9d6830de559bb8a74f35168135d

            SHA256

            d6b1932822bbd72a8e78c771717d992142348f67d625a42393719fefbe59b0ed

            SHA512

            795004bab536e128dbd81c188976d37c7b650efbfa5a80374df4c65a1049c27658f4620b7605583928eb167fcb69b4c99e4c8730c507b824a7bde9c7fb0e21f4

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8
            Filesize

            436B

            MD5

            1bfe0a81db078ea084ff82fe545176fe

            SHA1

            50b116f578bd272922fa8eae94f7b02fd3b88384

            SHA256

            5ba8817f13eee00e75158bad93076ab474a068c6b52686579e0f728fda68499f

            SHA512

            37c582f3f09f8d80529608c09041295d1644bcc9de6fb8c4669b05339b0dd870f9525abc5eed53ad06a94b51441275504bc943c336c5beb63b53460ba836ca8d

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
            Filesize

            174B

            MD5

            e68d1398a0beda9e5577bba41daa3731

            SHA1

            e631df97426274f5b6f34311f9190c7758ef3e30

            SHA256

            245e0d5e22421207dc85a953d82ad6890e19e65444a402956cc233d81d173adf

            SHA512

            7b773a7a4f2c5bda72efca1cffc769e3e77db654cee1beb962424ecd0754fb7ac029908aa710bd07b6ce188bf82d72553b9be4c637f5628bae01a15ddf757abb

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
            Filesize

            170B

            MD5

            8cdf91c0a20c12b982406d87ae9937b7

            SHA1

            48f7ea7abd6007e18af3b2dce8847eff1807d47d

            SHA256

            7db33b1ce037d9bf3c41c145a6a72f7195114aa8ee7d500d80da3a35ac8463b7

            SHA512

            c08a83e23da62d5b1357721b61aae672662cf33125a34520fdf3d0f6daf3828e3b271f12cf38fb2fb699670799d8a57ccac4dcbeb148fe2a26451a7f3e878b04

          • C:\Users\Admin\AppData\Local\703fd9d4-8d5f-462d-88bb-54cb3ab342f7\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/688-35-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/688-27-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/688-30-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/1472-38-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/1472-37-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/1472-31-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/3236-34-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/3236-39-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/3236-26-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/4112-24-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/4112-33-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/4112-18-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/4112-25-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/4112-23-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/4112-17-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/4112-12-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/4960-0-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/4960-14-0x0000000000400000-0x00000000004A9000-memory.dmp
            Filesize

            676KB

          • memory/4960-15-0x0000000000400000-0x0000000000476000-memory.dmp
            Filesize

            472KB

          • memory/4960-3-0x0000000000400000-0x0000000000476000-memory.dmp
            Filesize

            472KB

          • memory/4960-2-0x0000000000750000-0x0000000000850000-memory.dmp
            Filesize

            1024KB