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04-10-2024 16:44

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27-09-2024 16:54

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27-09-2024 16:44

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04-08-2024 18:04

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31-07-2024 10:53

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Analysis

  • max time kernel
    1799s
  • max time network
    1635s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-10-2024 16:44

General

  • Target

    32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe

  • Size

    844KB

  • MD5

    a6f049a056e37a65280ddfe17f689b50

  • SHA1

    479e08954d4d58b643ada84da280bd01c71e779a

  • SHA256

    32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08

  • SHA512

    f7effb9a12c0723ed336117e3399940d4fe9e3682eec18cdf19cf074dab27d2ce8b1c14d30f1e3e26b5883732f8b970477a32ca4c12fe36a8fa3bc452586511b

  • SSDEEP

    24576:40bAk9PkFMVNgsbj6d2dXrpcpZBWGyDs1lwBUeF:PEGNgsnHDIZB/yDseB

Malware Config

Extracted

Family

djvu

C2

http://asvb.top/nddddhsspen6/get.php

Attributes
  • extension

    .ehiz

  • offline_id

    94ZMASYQt4QGhpOo8gEwVMGuTvtKzw670thXUlt1

  • payload_url

    http://asvb.top/files/penelop/updatewin1.exe

    http://asvb.top/files/penelop/updatewin2.exe

    http://asvb.top/files/penelop/updatewin.exe

    http://asvb.top/files/penelop/3.exe

    http://asvb.top/files/penelop/4.exe

    http://asvb.top/files/penelop/5.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-IMhsjaUZQE 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: 0299ewgfDd

rsa_pubkey.plain

Signatures

  • Detected Djvu ransomware 24 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

  • Renames multiple (145) 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.

  • Executes dropped EXE 12 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 14 IoCs

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

  • Suspicious use of SetThreadContext 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 17 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe
    "C:\Users\Admin\AppData\Local\Temp\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3900
    • C:\Users\Admin\AppData\Local\Temp\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe
      "C:\Users\Admin\AppData\Local\Temp\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.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:980
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\b64d8991-dd96-44d3-b1dd-89cf6acff55e" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:1728
      • C:\Users\Admin\AppData\Local\Temp\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe
        "C:\Users\Admin\AppData\Local\Temp\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1260
        • C:\Users\Admin\AppData\Local\Temp\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe
          "C:\Users\Admin\AppData\Local\Temp\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:1828
  • C:\Users\Admin\AppData\Local\b64d8991-dd96-44d3-b1dd-89cf6acff55e\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe
    C:\Users\Admin\AppData\Local\b64d8991-dd96-44d3-b1dd-89cf6acff55e\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe --Task
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4000
    • C:\Users\Admin\AppData\Local\b64d8991-dd96-44d3-b1dd-89cf6acff55e\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe
      C:\Users\Admin\AppData\Local\b64d8991-dd96-44d3-b1dd-89cf6acff55e\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe --Task
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1652
  • C:\Users\Admin\AppData\Local\b64d8991-dd96-44d3-b1dd-89cf6acff55e\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe
    C:\Users\Admin\AppData\Local\b64d8991-dd96-44d3-b1dd-89cf6acff55e\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe --Task
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1536
    • C:\Users\Admin\AppData\Local\b64d8991-dd96-44d3-b1dd-89cf6acff55e\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe
      C:\Users\Admin\AppData\Local\b64d8991-dd96-44d3-b1dd-89cf6acff55e\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe --Task
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1724
  • C:\Users\Admin\AppData\Local\b64d8991-dd96-44d3-b1dd-89cf6acff55e\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe
    C:\Users\Admin\AppData\Local\b64d8991-dd96-44d3-b1dd-89cf6acff55e\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe --Task
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4856
    • C:\Users\Admin\AppData\Local\b64d8991-dd96-44d3-b1dd-89cf6acff55e\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe
      C:\Users\Admin\AppData\Local\b64d8991-dd96-44d3-b1dd-89cf6acff55e\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe --Task
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1452
  • C:\Users\Admin\AppData\Local\b64d8991-dd96-44d3-b1dd-89cf6acff55e\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe
    C:\Users\Admin\AppData\Local\b64d8991-dd96-44d3-b1dd-89cf6acff55e\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe --Task
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:400
    • C:\Users\Admin\AppData\Local\b64d8991-dd96-44d3-b1dd-89cf6acff55e\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe
      C:\Users\Admin\AppData\Local\b64d8991-dd96-44d3-b1dd-89cf6acff55e\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe --Task
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1244
  • C:\Users\Admin\AppData\Local\b64d8991-dd96-44d3-b1dd-89cf6acff55e\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe
    C:\Users\Admin\AppData\Local\b64d8991-dd96-44d3-b1dd-89cf6acff55e\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe --Task
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    PID:560
    • C:\Users\Admin\AppData\Local\b64d8991-dd96-44d3-b1dd-89cf6acff55e\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe
      C:\Users\Admin\AppData\Local\b64d8991-dd96-44d3-b1dd-89cf6acff55e\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe --Task
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1976
  • C:\Users\Admin\AppData\Local\b64d8991-dd96-44d3-b1dd-89cf6acff55e\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe
    C:\Users\Admin\AppData\Local\b64d8991-dd96-44d3-b1dd-89cf6acff55e\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe --Task
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    PID:448
    • C:\Users\Admin\AppData\Local\b64d8991-dd96-44d3-b1dd-89cf6acff55e\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe
      C:\Users\Admin\AppData\Local\b64d8991-dd96-44d3-b1dd-89cf6acff55e\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe --Task
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3128

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\SystemID\PersonalID.txt

    Filesize

    42B

    MD5

    7596a1bdff68ec51dc34714489424ddd

    SHA1

    4254a5cc04608fc2697af111d1ef68abbf79240b

    SHA256

    bcae3763733f53a49f040f004abb77a0103032d82708d07e362b9b81c8d4527a

    SHA512

    43a295ec79fa30df3167f5edaf7a54a89d0726cfeb4441ede55c42c407d00939421a0179fa12bae0e2b93d522c31cce27b2150b959e678781e1fbc5330cfaaf9

  • 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

    971c514f84bba0785f80aa1c23edfd79

    SHA1

    732acea710a87530c6b08ecdf32a110d254a54c8

    SHA256

    f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895

    SHA512

    43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

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

    Filesize

    174B

    MD5

    d5da1ecaaf634c45e4ecd0f9e3d339c9

    SHA1

    e69af14e0da99aa2945abfdf9bc7e530730c45ad

    SHA256

    b97a135172765b9d8b41ab812d8f81970a8e297764adbc1ec732a359fdd1a756

    SHA512

    c157ae290cad5f2253694d6fec1d3022a96f2542ea7578009c86aa0e06afefb69578315dc517e2a77231668f150281a1a9321e65fd82fd09810a0bde9e5f2427

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

    Filesize

    170B

    MD5

    1f1c60baae4292457cc8dc03513a4abe

    SHA1

    7716ae85c9ced7408a9ecdd310b0e206990f357f

    SHA256

    02b1df26b163774d1d5b42f591bc08b0f4387abbed2d481d059f801bdec93d8a

    SHA512

    ea794eb877cd1531a8c879379ac4a8e3f5f485b65b0114c6c79160e8f4a971285f83ef215abb587c70e4720cc456dca22c0c6291eaf5afe240bcee6dd45bb31a

  • C:\Users\Admin\AppData\Local\b64d8991-dd96-44d3-b1dd-89cf6acff55e\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe

    Filesize

    844KB

    MD5

    a6f049a056e37a65280ddfe17f689b50

    SHA1

    479e08954d4d58b643ada84da280bd01c71e779a

    SHA256

    32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08

    SHA512

    f7effb9a12c0723ed336117e3399940d4fe9e3682eec18cdf19cf074dab27d2ce8b1c14d30f1e3e26b5883732f8b970477a32ca4c12fe36a8fa3bc452586511b

  • memory/980-3-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/980-4-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/980-5-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/980-6-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/980-19-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1260-21-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/1260-25-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/1652-52-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1652-53-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1724-380-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1724-379-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1724-378-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1828-55-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1828-65-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1828-34-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1828-33-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1828-24-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1828-62-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1828-64-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1828-36-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1828-66-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1828-68-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1828-371-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1828-26-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1828-23-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3900-1-0x0000000002240000-0x00000000022D4000-memory.dmp

    Filesize

    592KB

  • memory/3900-2-0x0000000002390000-0x00000000024AB000-memory.dmp

    Filesize

    1.1MB