Analysis

  • max time kernel
    145s
  • max time network
    140s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    13/03/2023, 00:44

General

  • Target

    0126cba6dcc9b43e22c62ef62770ab781dc0e30574bdbfa3d0c1457268304e79.exe

  • Size

    773KB

  • MD5

    673ddb53d86bf8be570fdffa182bf4a7

  • SHA1

    e216091e025b05d44fe3ce914a9f800c87d02eef

  • SHA256

    0126cba6dcc9b43e22c62ef62770ab781dc0e30574bdbfa3d0c1457268304e79

  • SHA512

    0379c9f8112176601d57657127dbfe024ec2eca5ddb1939b635da00c6327cda4d6ee821d5a14a19edcee889875bf5c2bb9f113e444334ae8caa292531ebceb42

  • SSDEEP

    12288:7ppQBHke2Fjdxn4Z6NafJbnkP8tq13BJ0jdt1S0QkLQdW/PV2K+XxJ:7ykeqjdxNss8t4RgT1SJkLQdWX6xJ

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test2/get.php

Attributes
  • extension

    .qapo

  • offline_id

    VrBq0iLIRHjQLgVRLsN1WK8yFkTCRDCCvPkwnHt1

  • payload_url

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

    http://zexeq.com/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-zUVSNg4KRZ 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: 0663Iopd

rsa_pubkey.plain

Extracted

Family

vidar

Version

2.9

Botnet

694f12963bedb0c6040fb3c74aac71e5

C2

https://t.me/nemesisgrow

https://steamcommunity.com/profiles/76561199471222742

http://65.109.12.165:80

Attributes
  • profile_id_v2

    694f12963bedb0c6040fb3c74aac71e5

Signatures

  • Detected Djvu ransomware 16 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0126cba6dcc9b43e22c62ef62770ab781dc0e30574bdbfa3d0c1457268304e79.exe
    "C:\Users\Admin\AppData\Local\Temp\0126cba6dcc9b43e22c62ef62770ab781dc0e30574bdbfa3d0c1457268304e79.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4604
    • C:\Users\Admin\AppData\Local\Temp\0126cba6dcc9b43e22c62ef62770ab781dc0e30574bdbfa3d0c1457268304e79.exe
      "C:\Users\Admin\AppData\Local\Temp\0126cba6dcc9b43e22c62ef62770ab781dc0e30574bdbfa3d0c1457268304e79.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5036
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\c775da28-b758-401d-b743-289bdc0cc7a8" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:4752
      • C:\Users\Admin\AppData\Local\Temp\0126cba6dcc9b43e22c62ef62770ab781dc0e30574bdbfa3d0c1457268304e79.exe
        "C:\Users\Admin\AppData\Local\Temp\0126cba6dcc9b43e22c62ef62770ab781dc0e30574bdbfa3d0c1457268304e79.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2972
        • C:\Users\Admin\AppData\Local\Temp\0126cba6dcc9b43e22c62ef62770ab781dc0e30574bdbfa3d0c1457268304e79.exe
          "C:\Users\Admin\AppData\Local\Temp\0126cba6dcc9b43e22c62ef62770ab781dc0e30574bdbfa3d0c1457268304e79.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4864
          • C:\Users\Admin\AppData\Local\dd1caf6c-a627-49c9-9472-de21e8fc099f\build2.exe
            "C:\Users\Admin\AppData\Local\dd1caf6c-a627-49c9-9472-de21e8fc099f\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4412
            • C:\Users\Admin\AppData\Local\dd1caf6c-a627-49c9-9472-de21e8fc099f\build2.exe
              "C:\Users\Admin\AppData\Local\dd1caf6c-a627-49c9-9472-de21e8fc099f\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:4208
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\dd1caf6c-a627-49c9-9472-de21e8fc099f\build2.exe" & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:916
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  8⤵
                  • Delays execution with timeout.exe
                  PID:984
          • C:\Users\Admin\AppData\Local\dd1caf6c-a627-49c9-9472-de21e8fc099f\build3.exe
            "C:\Users\Admin\AppData\Local\dd1caf6c-a627-49c9-9472-de21e8fc099f\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:3660
            • C:\Windows\SysWOW64\schtasks.exe
              /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
              6⤵
              • Creates scheduled task(s)
              PID:3528
  • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:3084
    • C:\Windows\SysWOW64\schtasks.exe
      /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
      2⤵
      • Creates scheduled task(s)
      PID:4692

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

    Filesize

    2KB

    MD5

    cdb784e3dca082bb6f4b1660d9d9cd2e

    SHA1

    98ef5daefd5b108b1e09e55a116df1101812a01d

    SHA256

    73b1c84fb8239c93de2b976f62381d5ee9007439fda135a9c1c22e7bbdf5c349

    SHA512

    4b1523db65f2d23e984cc27778fb1ec79bb764a050607def3acae7928917ae2c18fd0d6efec2791e1acb3c12929454e3b6afd5e88e0982a975e78805000b4495

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

    Filesize

    1KB

    MD5

    fafb2d795af06b05e5ae489401edb786

    SHA1

    137f724049c8ce7dc1d438677f7b6fa32b275205

    SHA256

    7673bf3d6aa2a14da9c3433ac1651d907697a7c79e32987d150a757f3866b5f0

    SHA512

    38c83466ce78cb43dbfa8255432abc7b6347589b0a6dd3b00aa4d81dbd9664a3cafc2bbca9ed38bcfa0ee32ace2a8ea8c8cd5471d6896f7c4dfd6dca03089769

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

    Filesize

    488B

    MD5

    a794ed7bcc1b1ed9f82ff01f9d78a191

    SHA1

    09092d6be9822838c0ad7cc4bdc7c6d7ad04254c

    SHA256

    0bad7c96b023410e6590df7e23c795a76d0ca5298fc3aedbff08f12c22695562

    SHA512

    3ac7f6ee8f5f3d603ab01a4309a972c7ad60aea5f572838948a02caee8e4f5aaf425b6a0119ee5cc78119883dc6343f557b9d4cd0d3c8a3ec2d8d9d1402428fb

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

    Filesize

    482B

    MD5

    df5d17bb3e27d175d450054ab41f7c7f

    SHA1

    1bbee78bfa1ba0cb615526685e47c11f5cac10c7

    SHA256

    d9e79664900f752ad95ff03eb42dc0253bfe2243e58d59452dea9768ca472f6b

    SHA512

    c94b9c74cc9267abf3c9d35d061a2b87a085b0d6fde9afb23a507a3fc57e872c8f8aa9be2f5a6f19cc437f30c5f049db6924de14bf98f625db7dc58cf4777181

  • C:\Users\Admin\AppData\Local\c775da28-b758-401d-b743-289bdc0cc7a8\0126cba6dcc9b43e22c62ef62770ab781dc0e30574bdbfa3d0c1457268304e79.exe

    Filesize

    773KB

    MD5

    673ddb53d86bf8be570fdffa182bf4a7

    SHA1

    e216091e025b05d44fe3ce914a9f800c87d02eef

    SHA256

    0126cba6dcc9b43e22c62ef62770ab781dc0e30574bdbfa3d0c1457268304e79

    SHA512

    0379c9f8112176601d57657127dbfe024ec2eca5ddb1939b635da00c6327cda4d6ee821d5a14a19edcee889875bf5c2bb9f113e444334ae8caa292531ebceb42

  • C:\Users\Admin\AppData\Local\dd1caf6c-a627-49c9-9472-de21e8fc099f\build2.exe

    Filesize

    382KB

    MD5

    c56b758f00562948de9cac375422074c

    SHA1

    9f98c4c403b98aea3624d905b2e1ccbe5939c908

    SHA256

    3df572ecd8ad88b1b744adc3323998b64d8303ef1a19eba3d7fd6e76aeb67532

    SHA512

    a77a22431ccfd7e565639d90b205ff7132ddfc39a1d46c8ff5de8f71265c56706230b569fb22a72dbc6bbc7c92688ebb024b167971d3b7859c8b6b01ad9084fa

  • C:\Users\Admin\AppData\Local\dd1caf6c-a627-49c9-9472-de21e8fc099f\build2.exe

    Filesize

    382KB

    MD5

    c56b758f00562948de9cac375422074c

    SHA1

    9f98c4c403b98aea3624d905b2e1ccbe5939c908

    SHA256

    3df572ecd8ad88b1b744adc3323998b64d8303ef1a19eba3d7fd6e76aeb67532

    SHA512

    a77a22431ccfd7e565639d90b205ff7132ddfc39a1d46c8ff5de8f71265c56706230b569fb22a72dbc6bbc7c92688ebb024b167971d3b7859c8b6b01ad9084fa

  • C:\Users\Admin\AppData\Local\dd1caf6c-a627-49c9-9472-de21e8fc099f\build2.exe

    Filesize

    382KB

    MD5

    c56b758f00562948de9cac375422074c

    SHA1

    9f98c4c403b98aea3624d905b2e1ccbe5939c908

    SHA256

    3df572ecd8ad88b1b744adc3323998b64d8303ef1a19eba3d7fd6e76aeb67532

    SHA512

    a77a22431ccfd7e565639d90b205ff7132ddfc39a1d46c8ff5de8f71265c56706230b569fb22a72dbc6bbc7c92688ebb024b167971d3b7859c8b6b01ad9084fa

  • C:\Users\Admin\AppData\Local\dd1caf6c-a627-49c9-9472-de21e8fc099f\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\dd1caf6c-a627-49c9-9472-de21e8fc099f\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • \ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • memory/4208-247-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4208-191-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/4208-178-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4208-233-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4208-166-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4208-248-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4208-249-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4208-164-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4208-250-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4208-168-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4412-167-0x0000000001FE0000-0x000000000203D000-memory.dmp

    Filesize

    372KB

  • memory/4604-122-0x00000000024B0000-0x00000000025CB000-memory.dmp

    Filesize

    1.1MB

  • memory/4864-146-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4864-141-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4864-153-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4864-174-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4864-154-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4864-151-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4864-155-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4864-139-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4864-147-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4864-140-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/5036-123-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/5036-124-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/5036-135-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/5036-121-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/5036-120-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB