Overview

overview

10

Static

static

10

2024-09-06...op.exe

windows7-x64

10

2024-09-06...op.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    95s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-09-2024 02:37

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General

  • Target

    2024-09-06_69abef387f5e6f1374228d93e99b49b2_stop.exe

  • Size

    1.1MB

  • MD5

    69abef387f5e6f1374228d93e99b49b2

  • SHA1

    a21dd5032832555af1db7500ce712b4df95b474e

  • SHA256

    e3c13b76ee87295fba416b8c5348ecd434e78b45fa6060820245711f3ea80a7d

  • SHA512

    f1bedf8f77e3b78c8cec2f2ca331587c89e54c7a68b5d6754002c66f349901cf22381228fc91beb19fa76a1c9bc02462fec40dbafde26e49d7da993d0e785fa2

  • SSDEEP

    24576:ZBUIKn/vwOXGUXAjCymYZiVtElVIBT2roqnTSSxWeT/dRPOO8qWQHUq7:F0dwAYZt6C31WeTVRPOhq7Uq7

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .neer

  • offline_id

    LTYv5JAYPKU9SqYbMp9sbHbkMoA4JlKc46dTaLt1

  • payload_url

    http://dgos.top/dl/build2.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-ggGVjyTdgD 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: 0310ewgfDd

rsa_pubkey.plain

Signatures

  • Detected Djvu ransomware 1 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

    ransomwaredjvu
  • 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
    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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-06_69abef387f5e6f1374228d93e99b49b2_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-06_69abef387f5e6f1374228d93e99b49b2_stop.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:3052
    • C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Users\Admin\AppData\Local\95508c80-844e-4456-a4ba-5761dc57cddb" /deny *S-1-1-0:(OI)(CI)(DE,DC)
      2⤵
      • Modifies file permissions
      • System Location Discovery: System Language Discovery
      PID:32
    • C:\Users\Admin\AppData\Local\Temp\2024-09-06_69abef387f5e6f1374228d93e99b49b2_stop.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-09-06_69abef387f5e6f1374228d93e99b49b2_stop.exe" --Admin IsNotAutoStart IsNotTask
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4792

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

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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

    d7b382ecd212154b6f7582b7b4a6ee52

    SHA1

    bf0886afe94019c5a8fb6368c91514177a7c8057

    SHA256

    8f8f124e782d37592bd3e879dd1190c6225f6cc81aff8044a5a16df62fa256b2

    SHA512

    5f353ccfc904316c070d361814404af50c4bf50071c840cb854e8c6c8910c761a0d6d9a9bdbd46de17abd3c06eab38194aee9ad8892540890b5efca3058e57a9

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

    170B

    MD5

    5b69e4e59f6fe3531a2528c87730c151

    SHA1

    b3d164ad6dd2a93d2dbd43ae5abe219118cb9ba2

    SHA256

    8134bd90ea635bb78614e4deec65b00b0a73c7461a6715e1ea48d28340f82b0e

    SHA512

    154469389ee6c35fb0366dae11dc157fbf3a0a694f4bb93f4a62a36d851f20451160c0a195128b60b62449d86ee60fe10a4a33bfbe3fd896ac05c1deeeb99305

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  • C:\Users\Admin\AppData\Local\95508c80-844e-4456-a4ba-5761dc57cddb\2024-09-06_69abef387f5e6f1374228d93e99b49b2_stop.exe
    Filesize

    1.1MB

    MD5

    69abef387f5e6f1374228d93e99b49b2

    SHA1

    a21dd5032832555af1db7500ce712b4df95b474e

    SHA256

    e3c13b76ee87295fba416b8c5348ecd434e78b45fa6060820245711f3ea80a7d

    SHA512

    f1bedf8f77e3b78c8cec2f2ca331587c89e54c7a68b5d6754002c66f349901cf22381228fc91beb19fa76a1c9bc02462fec40dbafde26e49d7da993d0e785fa2

    Download Submit