Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-07-2024 14:18

General

  • Target

    02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe

  • Size

    797KB

  • MD5

    135fa780592dbc9a794897d3afa33617

  • SHA1

    94f87dd8f65d376048cdf87e3ea5b392acdbe4b7

  • SHA256

    02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457

  • SHA512

    584b283c51846a122457b03cf981e0241a41cb1da7c86f56fa83ae81483a7415efd7c40434fc310358448860bdf991cc1a7839e64431f957be42d0ee29d0daf2

  • SSDEEP

    12288:z+gg5In1ab4il+xSp+sqKXOo7RqBeUdvWz67OrkRxqkJ2R6Te5HoZ6x:qgg5e1q4il+xA+sn+TB7WRkJ2pdoZ

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/fhsgtsspen6/get.php

Attributes
  • extension

    .bpqd

  • offline_id

    y6oQcfhmSRc7ZQ1q8yjLE3LhY8kK7FHg6LLlEht1

  • payload_url

    http://zerit.top/dl/build2.exe

    http://fuyt.org/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, 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-zHDj26n4NW 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" or "Junk" 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: 0418Jsfkjn

rsa_pubkey.plain

Signatures

  • Detected Djvu ransomware 17 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe
    "C:\Users\Admin\AppData\Local\Temp\02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5092
    • C:\Users\Admin\AppData\Local\Temp\cXHjoH.exe
      C:\Users\Admin\AppData\Local\Temp\cXHjoH.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5088
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\24a622f2.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:224
    • C:\Users\Admin\AppData\Local\Temp\02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe
      "C:\Users\Admin\AppData\Local\Temp\02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1952
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\46d6b898-8f4a-43c7-9245-204679209e17" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:32
      • C:\Users\Admin\AppData\Local\Temp\02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe
        "C:\Users\Admin\AppData\Local\Temp\02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1052
        • C:\Users\Admin\AppData\Local\Temp\cXHjoH.exe
          C:\Users\Admin\AppData\Local\Temp\cXHjoH.exe
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1744
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\176679f0.bat" "
            5⤵
            • System Location Discovery: System Language Discovery
            PID:976
        • C:\Users\Admin\AppData\Local\Temp\02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe
          "C:\Users\Admin\AppData\Local\Temp\02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:4892

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    1KB

    MD5

    7fb5fa1534dcf77f2125b2403b30a0ee

    SHA1

    365d96812a69ac0a4611ea4b70a3f306576cc3ea

    SHA256

    33a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f

    SHA512

    a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e

  • 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

    4de4faf9550984481aa2125d6888f08e

    SHA1

    8e4af85f94519ff6952c839d9cd94343edab4201

    SHA256

    372981a057d2cce8e6fe321adee3b157e89491468902cd43f1f7ee3e0afc8ced

    SHA512

    6a0f2af3e32188390b2cdd1d384eeee6dc217af1bb6ef51aa27beebbf506cf6508a52b1f871489906583ae8af3d52fc1fe9deaf93322bd3f9260989c14df8c11

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

    Filesize

    170B

    MD5

    fc1b7a060dbbb6e8347dca9cf0c2f60d

    SHA1

    a2284b25fac30db24b2ec37cf1acdbebd448ab4e

    SHA256

    92d6a05228bdbd62b3e10816d752eea8036a4915774a8bc348c3a0933fe52a01

    SHA512

    0c890be7d40c7f5a48384a0c2789c5c05e65fb6eeea7b789fb6b3855206bf6e251c0d63d2f7a21ebbfacebe9147da4335b5bf4998b8ab10de6725f4e1f40def1

  • C:\Users\Admin\AppData\Local\46d6b898-8f4a-43c7-9245-204679209e17\02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe

    Filesize

    797KB

    MD5

    135fa780592dbc9a794897d3afa33617

    SHA1

    94f87dd8f65d376048cdf87e3ea5b392acdbe4b7

    SHA256

    02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457

    SHA512

    584b283c51846a122457b03cf981e0241a41cb1da7c86f56fa83ae81483a7415efd7c40434fc310358448860bdf991cc1a7839e64431f957be42d0ee29d0daf2

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\3WWFCFW4\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\176679f0.bat

    Filesize

    187B

    MD5

    cfc7c41bd76544944db4ec623449d920

    SHA1

    029abd2429004fd257616a4d0a4347f1fe33bb4f

    SHA256

    aa02878567cee3e749c7f915f4eb0ff496c8b0084350f2ea8f7d6ff227ef1ae6

    SHA512

    9156500f24599c9371587608e8cc976a30324d2194e15ab37ce9514936aa7774a71d819b96f99cf31f300fd6bd087894118e5294b7001ca1e5d23ef72b55d68a

  • C:\Users\Admin\AppData\Local\Temp\24a622f2.bat

    Filesize

    187B

    MD5

    83ce4e2f2901a52bdab30b2a64ff7a37

    SHA1

    7598a1495250fa0e2f04e0eb2fb38ac79b5c0b2d

    SHA256

    e718d6264c0e916c88c62c840e05fa954edd0a98eab3c53668dc60a5df1fd995

    SHA512

    1579a7bcd48e9abdcf2544fc20abbd73db2d46e44a314144d921e008a18ad2c6bee7ab6c8d6ed6ccc67a18fca1c79ecdcd588900f7d92357e86d91b116ddbea5

  • C:\Users\Admin\AppData\Local\Temp\3EBE68CF.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\cXHjoH.exe

    Filesize

    15KB

    MD5

    f7d21de5c4e81341eccd280c11ddcc9a

    SHA1

    d4e9ef10d7685d491583c6fa93ae5d9105d815bd

    SHA256

    4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

    SHA512

    e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

  • memory/1052-83-0x0000000000400000-0x00000000004F9000-memory.dmp

    Filesize

    996KB

  • memory/1052-69-0x0000000000400000-0x00000000004F9000-memory.dmp

    Filesize

    996KB

  • memory/1744-76-0x0000000000580000-0x0000000000589000-memory.dmp

    Filesize

    36KB

  • memory/1744-70-0x0000000000580000-0x0000000000589000-memory.dmp

    Filesize

    36KB

  • memory/1952-35-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1952-33-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1952-65-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1952-31-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1952-32-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4892-94-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4892-106-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4892-108-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4892-80-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4892-107-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4892-105-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4892-82-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4892-103-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4892-88-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4892-89-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4892-90-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/5088-56-0x0000000000A90000-0x0000000000A99000-memory.dmp

    Filesize

    36KB

  • memory/5088-5-0x0000000000A90000-0x0000000000A99000-memory.dmp

    Filesize

    36KB

  • memory/5092-29-0x0000000002310000-0x00000000023AD000-memory.dmp

    Filesize

    628KB

  • memory/5092-30-0x00000000023B0000-0x00000000024CB000-memory.dmp

    Filesize

    1.1MB

  • memory/5092-34-0x0000000000400000-0x00000000004F9000-memory.dmp

    Filesize

    996KB

  • memory/5092-0-0x0000000000400000-0x00000000004F9000-memory.dmp

    Filesize

    996KB