Overview

overview

10

Static

static

10

2024-10-26...op.exe

windows7-x64

10

2024-10-26...op.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    143s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    26-10-2024 18:36

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General

  • Target

    2024-10-26_37118cef94032f930d9ed40fa37144fe_stop.exe

  • Size

    1.1MB

  • MD5

    37118cef94032f930d9ed40fa37144fe

  • SHA1

    892d01b286a17e9faedec5fbda3d268842306393

  • SHA256

    d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07

  • SHA512

    c01e408709945cf912836d04a0e754d8cc7d1641e13cfa33809328498e031387e45b633fec885384a227002762d7f332bf82b58a8b0ff44a5c3433988991e9a1

  • SSDEEP

    24576:ZBUIKn/vwOXGUXAjCymYZiVtElVIBT2roqnTSSxWeT/dRPOO8RWQHUq7:F0dwAYZt6C31WeTVRPOhR7Uq7

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .paas

  • offline_id

    LQbDo3EfIVHxGuJOWRJdmxgY66rD6kiyqz4tzyt1

  • 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-B0FsLNO3fN 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: 0300ewgfDd

rsa_pubkey.plain

Signatures

  • Detected Djvu ransomware 1 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

    ransomwaredjvu
  • Djvu family
    djvu
  • Modifies file permissions 1 TTPs 1 IoCs
    discovery
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Looks up external IP address via web service 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-26_37118cef94032f930d9ed40fa37144fe_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-26_37118cef94032f930d9ed40fa37144fe_stop.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2448
    • C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Users\Admin\AppData\Local\4d369c9b-7350-44dd-837d-1981320a4645" /deny *S-1-1-0:(OI)(CI)(DE,DC)
      2⤵
      • Modifies file permissions
      • System Location Discovery: System Language Discovery
      PID:3012
    • C:\Users\Admin\AppData\Local\Temp\2024-10-26_37118cef94032f930d9ed40fa37144fe_stop.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-10-26_37118cef94032f930d9ed40fa37144fe_stop.exe" --Admin IsNotAutoStart IsNotTask
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2168

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

    67e486b2f148a3fca863728242b6273e

    SHA1

    452a84c183d7ea5b7c015b597e94af8eef66d44a

    SHA256

    facaf1c3a4bf232abce19a2d534e495b0d3adc7dbe3797d336249aa6f70adcfb

    SHA512

    d3a37da3bb10a9736dc03e8b2b49baceef5d73c026e2077b8ebc1b786f2c9b2f807e0aa13a5866cf3b3cafd2bc506242ef139c423eaffb050bbb87773e53881e

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

    436B

    MD5

    971c514f84bba0785f80aa1c23edfd79

    SHA1

    732acea710a87530c6b08ecdf32a110d254a54c8

    SHA256

    f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895

    SHA512

    43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

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

    174B

    MD5

    b298677db724bf505ddb6f87f2a1da8c

    SHA1

    76b18c87d9d8c8d34e3e30573b92aa47d21078c2

    SHA256

    7dfdd21398d297b420923fba7348d2a254462859df06556d71f345047b99d8cf

    SHA512

    3cf71cfa369874596fdcbcb1d7628c7bcc6c033ae2504c65c7dcb6b6f73f8e83b33bdf07df36c657bac3839e0b1b0435a2555d703b3a5d65b2875904f0711f5b

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

    342B

    MD5

    9817c5696e63e282f25ee31f46c7b794

    SHA1

    56d59b6526be8a3ba053dde7ac2a981828caf174

    SHA256

    8f3e7c4890a03790ddc7d2a0344f76eb00d135d920cc329edb0f6580487c5fc6

    SHA512

    fb23db0e3a02e77bb5b4860dfff1655efc6d535beac8f0efbab118e116d0c6ea51f19079cbd1a2d426285b9e94ec129a38355d0b75b821d4e0b5bc759e7df13b

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

    170B

    MD5

    f6f934dc216e584f16bca8df168049a0

    SHA1

    2aec7e393f49323fc0df8942e7b07d9327095ae0

    SHA256

    c93e33547a70952ef781f4b7304cd5b05bbca7545b9ce86866be0ae68a70beb1

    SHA512

    accf46253f65f6aeff03aab89c243566be3fcc989e5a82b58fcc0ff5322eae9d7aefc8b1b7320a4ee0dffe3912b1845ec2936d4829f2f1213c435a5d8cdea5c2

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  • C:\Users\Admin\AppData\Local\4d369c9b-7350-44dd-837d-1981320a4645\2024-10-26_37118cef94032f930d9ed40fa37144fe_stop.exe
    Filesize

    1.1MB

    MD5

    37118cef94032f930d9ed40fa37144fe

    SHA1

    892d01b286a17e9faedec5fbda3d268842306393

    SHA256

    d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07

    SHA512

    c01e408709945cf912836d04a0e754d8cc7d1641e13cfa33809328498e031387e45b633fec885384a227002762d7f332bf82b58a8b0ff44a5c3433988991e9a1

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  • C:\Users\Admin\AppData\Local\Temp\CabFBCC.tmp
    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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