Analysis

  • max time kernel
    145s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-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 14 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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 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 46 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe
    "C:\Users\Admin\AppData\Local\Temp\02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2652
    • C:\Users\Admin\AppData\Local\Temp\cXHjoH.exe
      C:\Users\Admin\AppData\Local\Temp\cXHjoH.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2644
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\05fa581b.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:772
    • C:\Users\Admin\AppData\Local\Temp\02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe
      "C:\Users\Admin\AppData\Local\Temp\02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2552
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\6356782f-5ded-4700-bb32-e5a5d06a7bed" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:1744
      • C:\Users\Admin\AppData\Local\Temp\02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe
        "C:\Users\Admin\AppData\Local\Temp\02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2892
        • C:\Users\Admin\AppData\Local\Temp\cXHjoH.exe
          C:\Users\Admin\AppData\Local\Temp\cXHjoH.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2620
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\298d3ae0.bat" "
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2612
        • 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:2932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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

    71cabf2a509d792de21d936d9fe02b74

    SHA1

    6808597dec6141e6623c4fa4c3915e2cd8617fe0

    SHA256

    a340976c782714458aa5ce50081b2b8e2ce1ad3d4820e3ba36d330ec5b9164d9

    SHA512

    233c7a512b6ffbffcd09c7f5e3a00f4da9b1f0e2fd5451ccdd9a1a5bcf3d28e7c35856743acf21b76426dcc11fca9b10d906f14e4804c60a141d397751ccf846

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    7f7f557fda4ad58821ee209da440fe19

    SHA1

    fa7b53e9035f8216701b241b3f5d22e8421743e5

    SHA256

    864e8d9d2116044192248db3a04b834d84f7059b90385294d4eb97e9f8298d43

    SHA512

    d1747e72476cc3b7d9a42dbbe1ded2a230dcc59210fb62cdc83eed658e2f7c37c23e227a87e1ca7a1f1b8077b668552985ad2a2f07c86a411499adcc68faf8fc

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

    Filesize

    170B

    MD5

    b337b39a1c7131bfce12491fd9b83bca

    SHA1

    9e13d7f325bc842f5fcfab38014df3c006f363af

    SHA256

    7ac8733ca00dc78cffc1439b2de06f0fb59a73229993d9ac502181645253e268

    SHA512

    1ac8d23b10819a511ff56cb6be894580f490a9cb7920b6341548413ca4f4da864145573b084c7eb0d9cfafdef1987b554a710dcf15b75d7e18a53c558c7825de

  • C:\Users\Admin\AppData\Local\6356782f-5ded-4700-bb32-e5a5d06a7bed\02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe

    Filesize

    797KB

    MD5

    135fa780592dbc9a794897d3afa33617

    SHA1

    94f87dd8f65d376048cdf87e3ea5b392acdbe4b7

    SHA256

    02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457

    SHA512

    584b283c51846a122457b03cf981e0241a41cb1da7c86f56fa83ae81483a7415efd7c40434fc310358448860bdf991cc1a7839e64431f957be42d0ee29d0daf2

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\HTBGGANG\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\05fa581b.bat

    Filesize

    187B

    MD5

    ca84f4a8b9e2b7fc31e9a5b84f96d826

    SHA1

    041096e94f66449e9b92783f01cadc3d217c13ab

    SHA256

    46fd0dbeaa3e09a71bbb8a5e2017ba56ed8ac565b5c2d6008c95b4bbc8c93f1e

    SHA512

    832e63b7822cc5a3beb6d390e02ee00b2260209be61b17c99fa5b20ebabb50463d461e67e9da6cec71264543cb1ddbc1a814d25f56b76406f9c7a674bdcfd774

  • C:\Users\Admin\AppData\Local\Temp\298d3ae0.bat

    Filesize

    187B

    MD5

    76edcd8a76535b56aa298b6f29b3d7af

    SHA1

    4fd4c429c8693b7863a2a2ed57dc7dcdd3ac4bb8

    SHA256

    df5528be9036097ed4fc9f463cbf52b3d85cbdf282d7178f4a87d76687569da3

    SHA512

    930376e15dc0d462b4979659f8774b80cb3143621fc658175e61dfffe512ff0ed94a164aafa7d1c8d8d57a92a70ef3cd601ff3e5f81e55148a36d7d58e0e53fb

  • C:\Users\Admin\AppData\Local\Temp\58605141.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\Cab5A50.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

    Filesize

    15KB

    MD5

    f7d21de5c4e81341eccd280c11ddcc9a

    SHA1

    d4e9ef10d7685d491583c6fa93ae5d9105d815bd

    SHA256

    4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

    SHA512

    e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

  • memory/2552-37-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2552-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2552-43-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2552-45-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2552-73-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2620-87-0x0000000000D20000-0x0000000000D29000-memory.dmp

    Filesize

    36KB

  • memory/2644-12-0x0000000000FA0000-0x0000000000FA9000-memory.dmp

    Filesize

    36KB

  • memory/2644-54-0x0000000000FA0000-0x0000000000FA9000-memory.dmp

    Filesize

    36KB

  • memory/2652-41-0x0000000001C90000-0x0000000001D22000-memory.dmp

    Filesize

    584KB

  • memory/2652-11-0x00000000001B0000-0x00000000001B9000-memory.dmp

    Filesize

    36KB

  • memory/2652-1-0x0000000000400000-0x00000000004F9000-memory.dmp

    Filesize

    996KB

  • memory/2652-118-0x0000000001D30000-0x0000000001E4B000-memory.dmp

    Filesize

    1.1MB

  • memory/2652-39-0x0000000000400000-0x00000000004F9000-memory.dmp

    Filesize

    996KB

  • memory/2652-34-0x0000000001C90000-0x0000000001D22000-memory.dmp

    Filesize

    584KB

  • memory/2652-40-0x0000000001D30000-0x0000000001E4B000-memory.dmp

    Filesize

    1.1MB

  • memory/2652-38-0x0000000001F90000-0x0000000002089000-memory.dmp

    Filesize

    996KB

  • memory/2652-10-0x00000000001B0000-0x00000000001B9000-memory.dmp

    Filesize

    36KB

  • memory/2652-14-0x0000000001C90000-0x0000000001D22000-memory.dmp

    Filesize

    584KB

  • memory/2892-101-0x0000000000400000-0x00000000004F9000-memory.dmp

    Filesize

    996KB

  • memory/2892-75-0x0000000000400000-0x00000000004F9000-memory.dmp

    Filesize

    996KB

  • memory/2892-86-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/2892-84-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/2892-98-0x0000000000500000-0x0000000000592000-memory.dmp

    Filesize

    584KB

  • memory/2932-115-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2932-116-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2932-117-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2932-102-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2932-122-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2932-133-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2932-134-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2932-131-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2932-135-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB