Analysis

  • max time kernel
    150s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250502-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250502-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/05/2025, 06:07

General

  • Target

    5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe

  • Size

    669KB

  • MD5

    ead18f3a909685922d7213714ea9a183

  • SHA1

    1270bd7fd62acc00447b30f066bb23f4745869bf

  • SHA256

    5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18

  • SHA512

    6e532d9c3d186e4dac38823ae9152056346e283613f0caf088b21a1b3e5f4f6cf3bad8c407168b1072895a386e3be0b8c11ad1cb326d3d3ff0eb8562052def91

  • SSDEEP

    6144:bLUHLyHlwFjxDi2nEZkQ4NXxp0XMgkBWPqdN/jGdfYY7SRA7j4YlvfYAAjJ:4uFi02nEZh4jp0XLuxGdgTm73vL

Malware Config

Extracted

Path

C:\ProgramData\_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 (183) 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 15 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.

  • UPX packed file 5 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3488
    • C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Users\Admin\AppData\Local\eda296db-55ca-4f7d-b431-02518b250773" /deny *S-1-1-0:(OI)(CI)(DE,DC)
      2⤵
      • Modifies file permissions
      • System Location Discovery: System Language Discovery
      PID:4808
    • 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)
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3472
      • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
        "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --ForNetRes "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1 IsNotAutoStart IsNotTask
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3864
        • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
          "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Service 3864 "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:404
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 404 -s 1100
            5⤵
            • Program crash
            PID:3452
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3864 -s 1640
          4⤵
          • Program crash
          PID:4740
      • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
        "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Service 3472 "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:1740
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3488 -s 1852
      2⤵
      • Program crash
      PID:656
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3488 -ip 3488
    1⤵
      PID:4696
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 404 -ip 404
      1⤵
        PID:2988
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3864 -ip 3864
        1⤵
          PID:1016

        Network

              MITRE ATT&CK Enterprise v16

              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\_readme.txt

                Filesize

                1KB

                MD5

                d75064cfaac9c92f52aadf373dc7e463

                SHA1

                36ea05181d9b037694929ec81f276f13c7d2655c

                SHA256

                163ec5b903b6baadd32d560c44c1ea4dce241579a7493eb32c632eae9085d508

                SHA512

                43387299749f31c623c5dd4a53ff4d2eff5edfeb80fd4e2edd45860b5c9367d2767ae2ee9b60824b57301999dd2bd995b7d3bd5e7187e447aed76106272559d1

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

                Filesize

                1KB

                MD5

                4a90329071ae30b759d279cca342b0a6

                SHA1

                0ac7c4f3357ce87f37a3a112d6878051c875eda5

                SHA256

                fb6a7c3edcd7b97fabc18855102a39fc4d6d3f82c0fdd39b1667807b71b9c49b

                SHA512

                f0e206053d4369437c2c0f1f90f0fd03d631e4b9859d807049b41efde823d64cf4d75c28316d932360f7c03bd409e923c8bc2d4f5959361feacecfcf101ae823

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

                Filesize

                530B

                MD5

                1fbb37f79b317a9a248e7c4ce4f5bac5

                SHA1

                0ff4d709ebf17be0c28e66dc8bf74672ca28362a

                SHA256

                6fb1b8e593cb0388f67ead35313a230f524657317ea86271b3a97362e5ec6ad9

                SHA512

                287e1d62c9ceb660965c266f677c467fbb997c2f5dcd1d63e185e266488aafc3489ac1d3feec81d10f01ce4a72e61a8bc4e124f137ce8675a220aa7797002e74

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

                Filesize

                174B

                MD5

                3545c43de3997be809ffb6e130941126

                SHA1

                236cdd2fdabff92ea222189ae35a52f006d6dafc

                SHA256

                79037f927580ea33968ac408407aee8a43ecd4a6a763ec918c2f62ca28eee07f

                SHA512

                906703376261a56f04edf9c5fdd4d5e4819ac4c963b0ef4aab7580037661f716faa9856f2ab18714fabb8f1f618f3636d37ea3aff2b8287d2810c4ecc46abd31

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

                Filesize

                170B

                MD5

                09527da0aafba313c286487121071986

                SHA1

                c2dc84fca4fbdab44c02055f14df8de65fed58a5

                SHA256

                36036f86d6414b461013d8113352c57bb0f9b00af38ef8d388d878ead5fc20d4

                SHA512

                79425d756dbac83d9f2a1a23084c7ea27f0212c0dd0ccd9d1924efc772e9d82b2a9ab58a1b8182a799599fd6d0c6ad7bdb20cd09359757ce525f74bebd8562ae

              • C:\Users\Admin\AppData\Local\eda296db-55ca-4f7d-b431-02518b250773\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe

                Filesize

                669KB

                MD5

                ead18f3a909685922d7213714ea9a183

                SHA1

                1270bd7fd62acc00447b30f066bb23f4745869bf

                SHA256

                5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18

                SHA512

                6e532d9c3d186e4dac38823ae9152056346e283613f0caf088b21a1b3e5f4f6cf3bad8c407168b1072895a386e3be0b8c11ad1cb326d3d3ff0eb8562052def91

              • memory/404-38-0x0000000000400000-0x00000000004A9000-memory.dmp

                Filesize

                676KB

              • memory/404-36-0x0000000000400000-0x00000000004A9000-memory.dmp

                Filesize

                676KB

              • memory/1740-32-0x0000000000400000-0x00000000004A9000-memory.dmp

                Filesize

                676KB

              • memory/1740-27-0x0000000000400000-0x00000000004A9000-memory.dmp

                Filesize

                676KB

              • memory/3472-12-0x0000000000400000-0x00000000004A9000-memory.dmp

                Filesize

                676KB

              • memory/3472-18-0x0000000000400000-0x00000000004A9000-memory.dmp

                Filesize

                676KB

              • memory/3472-23-0x0000000000400000-0x00000000004A9000-memory.dmp

                Filesize

                676KB

              • memory/3472-24-0x0000000000400000-0x00000000004A9000-memory.dmp

                Filesize

                676KB

              • memory/3472-25-0x0000000000400000-0x00000000004A9000-memory.dmp

                Filesize

                676KB

              • memory/3472-17-0x0000000000400000-0x00000000004A9000-memory.dmp

                Filesize

                676KB

              • memory/3472-31-0x0000000000400000-0x00000000004A9000-memory.dmp

                Filesize

                676KB

              • memory/3488-14-0x0000000000400000-0x00000000004A9000-memory.dmp

                Filesize

                676KB

              • memory/3488-0-0x0000000000400000-0x00000000004A9000-memory.dmp

                Filesize

                676KB

              • memory/3488-15-0x0000000000400000-0x0000000000476000-memory.dmp

                Filesize

                472KB

              • memory/3488-3-0x0000000000400000-0x0000000000476000-memory.dmp

                Filesize

                472KB

              • memory/3488-2-0x00000000006D0000-0x00000000007D0000-memory.dmp

                Filesize

                1024KB

              • memory/3864-30-0x0000000000400000-0x00000000004A9000-memory.dmp

                Filesize

                676KB

              • memory/3864-29-0x0000000000400000-0x00000000004A9000-memory.dmp

                Filesize

                676KB

              • memory/3864-34-0x0000000000400000-0x00000000004A9000-memory.dmp

                Filesize

                676KB

              • memory/3864-39-0x0000000000400000-0x00000000004A9000-memory.dmp

                Filesize

                676KB