Analysis

  • max time kernel
    146s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/05/2023, 15:53

General

  • Target

    0f2a9d928bae37f713d8b044e0fb144e04a7bafedc31c0808c3282b578007457.exe

  • Size

    781KB

  • MD5

    f3ba3595dd007c09e2002092f06be895

  • SHA1

    c8c53a198bba0de74b739648f94a85764c1864ec

  • SHA256

    0f2a9d928bae37f713d8b044e0fb144e04a7bafedc31c0808c3282b578007457

  • SHA512

    20299e2bc7cae6616c9bab403d7b7b1212f952e3720e8637715fab5b21a07a182c3a9f000194475d120ad7e0323f5ec1629b43c9871b429da30b057c764622e8

  • SSDEEP

    24576:OCbbO+wUX5ykUeL49y5TuAG/7qiB0m8VDe:OCHO+tM0zuAC7qA0m8VD

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .weqp

  • offline_id

    D4KWjM5DY4jRN5T36xETsvDrARq2cCeStxvviHt1

  • payload_url

    http://colisumy.com/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-3q8YguI9qh 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: 0720JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

4.1

Botnet

77a63e71a10ee1d81a28b5c866b75922

C2

https://steamcommunity.com/profiles/76561199510444991

https://t.me/task4manager

Attributes
  • profile_id_v2

    77a63e71a10ee1d81a28b5c866b75922

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36 Edg/112.0.1722.34

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
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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).

  • 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.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0f2a9d928bae37f713d8b044e0fb144e04a7bafedc31c0808c3282b578007457.exe
    "C:\Users\Admin\AppData\Local\Temp\0f2a9d928bae37f713d8b044e0fb144e04a7bafedc31c0808c3282b578007457.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2436
    • C:\Users\Admin\AppData\Local\Temp\0f2a9d928bae37f713d8b044e0fb144e04a7bafedc31c0808c3282b578007457.exe
      "C:\Users\Admin\AppData\Local\Temp\0f2a9d928bae37f713d8b044e0fb144e04a7bafedc31c0808c3282b578007457.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2808
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\0c962f5f-11be-4b40-aeaa-ad7c52bf9db0" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:1088
      • C:\Users\Admin\AppData\Local\Temp\0f2a9d928bae37f713d8b044e0fb144e04a7bafedc31c0808c3282b578007457.exe
        "C:\Users\Admin\AppData\Local\Temp\0f2a9d928bae37f713d8b044e0fb144e04a7bafedc31c0808c3282b578007457.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:808
        • C:\Users\Admin\AppData\Local\Temp\0f2a9d928bae37f713d8b044e0fb144e04a7bafedc31c0808c3282b578007457.exe
          "C:\Users\Admin\AppData\Local\Temp\0f2a9d928bae37f713d8b044e0fb144e04a7bafedc31c0808c3282b578007457.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1172
          • C:\Users\Admin\AppData\Local\63c3669a-cec7-4707-997d-36783f0c7501\build2.exe
            "C:\Users\Admin\AppData\Local\63c3669a-cec7-4707-997d-36783f0c7501\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4584
            • C:\Users\Admin\AppData\Local\63c3669a-cec7-4707-997d-36783f0c7501\build2.exe
              "C:\Users\Admin\AppData\Local\63c3669a-cec7-4707-997d-36783f0c7501\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              PID:4592
          • C:\Users\Admin\AppData\Local\63c3669a-cec7-4707-997d-36783f0c7501\build3.exe
            "C:\Users\Admin\AppData\Local\63c3669a-cec7-4707-997d-36783f0c7501\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:3468
            • 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:3712
  • 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:2324
    • 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:2828

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • C:\ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

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

    Filesize

    2KB

    MD5

    f66e484f76180fb19546aa9d57accba2

    SHA1

    0ced1b9c30ea054dd83b49f1edfef55f5b5183c0

    SHA256

    f9cdbac7b0628e7d44d159e621c03709ed0d0e1ee5555215f1b6a15c1571d940

    SHA512

    fa38f3d270492548fda297e496bfd79c4bf0a67f73dc712def24a495999c7923add1ad55fbb34925d9535e679d78491f35ffc794ea7fd1d88ff8529b739dbe33

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

    Filesize

    1KB

    MD5

    0de5553e9827815659002db71daadba3

    SHA1

    073c647323b236fec254bc8761ebc838bb636486

    SHA256

    e7ee0d4fb41f5f483e55f53e97817ccb66bc54031b658094ef4b1b1ef9bd00ad

    SHA512

    6de850f9a1f2dbdb77da273b651617639d3e33ad1653bc3464ef695b1bae4e6c16e0fc3891016c40b854981ba0b3005c3cf32406d410900b39fb4c565a8109da

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

    Filesize

    488B

    MD5

    93f95f54c0b4c145888c5d278d5b09a1

    SHA1

    1483e2609e2c8511e842d9409bb15dfb34482524

    SHA256

    3ecaf3faf053c8ce89ed1051f57c598e02b1e25878049f0bc1950e922478081b

    SHA512

    9829f57f639d7dbea677d2886966e6b8ca9e21c5ad98533da39b7e4dfba3ae9340dc2b73087277c479973990db09088239441fea65a419f59f3f69b3f75902e9

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

    Filesize

    482B

    MD5

    6f9ee194121b72706a045b1a71b5a412

    SHA1

    53a4a7f3087cb9b841eaad0a62e2df51537cc426

    SHA256

    657fc2a373cba16b4c26a56f444983d955a3e8882ef48e13056c96837cadfcd7

    SHA512

    29248ba0d5c7bc5bcb30e56cf1e1a558c314b603c5acb8f937efa10cfb0e6f7331726a513ab7005e5bb8d93daaf28c746c552cc4fd9074f45fc4cefdbd609593

  • C:\Users\Admin\AppData\Local\0c962f5f-11be-4b40-aeaa-ad7c52bf9db0\0f2a9d928bae37f713d8b044e0fb144e04a7bafedc31c0808c3282b578007457.exe

    Filesize

    781KB

    MD5

    f3ba3595dd007c09e2002092f06be895

    SHA1

    c8c53a198bba0de74b739648f94a85764c1864ec

    SHA256

    0f2a9d928bae37f713d8b044e0fb144e04a7bafedc31c0808c3282b578007457

    SHA512

    20299e2bc7cae6616c9bab403d7b7b1212f952e3720e8637715fab5b21a07a182c3a9f000194475d120ad7e0323f5ec1629b43c9871b429da30b057c764622e8

  • C:\Users\Admin\AppData\Local\63c3669a-cec7-4707-997d-36783f0c7501\build2.exe

    Filesize

    437KB

    MD5

    04197441a29753c237bc0c285082c0d8

    SHA1

    463462810a45452d6e91364ae7858263437648dd

    SHA256

    692fe3aca06ef0e1582fcf692dfd0e2e38e1b542368848318e0095a8f85f3d77

    SHA512

    91456197c3d88bcf52ce557690751fe9d7b5b90c92313e00a11c7af75bdddf92623b26f7fa70c72df6083221010556052d366dcc45d091e46d8dfda585297a05

  • C:\Users\Admin\AppData\Local\63c3669a-cec7-4707-997d-36783f0c7501\build2.exe

    Filesize

    437KB

    MD5

    04197441a29753c237bc0c285082c0d8

    SHA1

    463462810a45452d6e91364ae7858263437648dd

    SHA256

    692fe3aca06ef0e1582fcf692dfd0e2e38e1b542368848318e0095a8f85f3d77

    SHA512

    91456197c3d88bcf52ce557690751fe9d7b5b90c92313e00a11c7af75bdddf92623b26f7fa70c72df6083221010556052d366dcc45d091e46d8dfda585297a05

  • C:\Users\Admin\AppData\Local\63c3669a-cec7-4707-997d-36783f0c7501\build2.exe

    Filesize

    437KB

    MD5

    04197441a29753c237bc0c285082c0d8

    SHA1

    463462810a45452d6e91364ae7858263437648dd

    SHA256

    692fe3aca06ef0e1582fcf692dfd0e2e38e1b542368848318e0095a8f85f3d77

    SHA512

    91456197c3d88bcf52ce557690751fe9d7b5b90c92313e00a11c7af75bdddf92623b26f7fa70c72df6083221010556052d366dcc45d091e46d8dfda585297a05

  • C:\Users\Admin\AppData\Local\63c3669a-cec7-4707-997d-36783f0c7501\build2.exe

    Filesize

    437KB

    MD5

    04197441a29753c237bc0c285082c0d8

    SHA1

    463462810a45452d6e91364ae7858263437648dd

    SHA256

    692fe3aca06ef0e1582fcf692dfd0e2e38e1b542368848318e0095a8f85f3d77

    SHA512

    91456197c3d88bcf52ce557690751fe9d7b5b90c92313e00a11c7af75bdddf92623b26f7fa70c72df6083221010556052d366dcc45d091e46d8dfda585297a05

  • C:\Users\Admin\AppData\Local\63c3669a-cec7-4707-997d-36783f0c7501\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\63c3669a-cec7-4707-997d-36783f0c7501\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\63c3669a-cec7-4707-997d-36783f0c7501\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

  • memory/1172-157-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1172-169-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1172-171-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1172-166-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1172-152-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1172-159-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1172-158-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1172-283-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1172-205-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1172-151-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2436-136-0x00000000024B0000-0x00000000025CB000-memory.dmp

    Filesize

    1.1MB

  • memory/2808-134-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2808-147-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2808-138-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2808-137-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2808-135-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4584-183-0x0000000002350000-0x00000000023A6000-memory.dmp

    Filesize

    344KB

  • memory/4592-184-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4592-208-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/4592-276-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4592-277-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4592-278-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4592-181-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4592-186-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4592-185-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB