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Analysis

  • max time kernel
    148s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/05/2023, 10:05

General

  • Target

    f66e4e047c3bab0c19144644c1e36087a8ab72c1360faa20dbf76cc5514ee26a.exe

  • Size

    782KB

  • MD5

    49eb2e244c6f1794078084e291ef4ce1

  • SHA1

    8839ac34afaedc63b40e00f7be732d6cb5770c57

  • SHA256

    f66e4e047c3bab0c19144644c1e36087a8ab72c1360faa20dbf76cc5514ee26a

  • SHA512

    82a7b73d0ee6689a02ae995faedbed0eb381724fc0f58dd7a27860391928211b167acf310dc40cf8b7d4b2acff758868b2350ac22d3916980bf3630909e442b8

  • SSDEEP

    12288:LGj4MoXmYV7X3hdJc6DAf2Xyfqa/r3eKoRwdvsCr1pnviTW4SxoqIh6r9LNzg9w:LGktXlFh46DIYyyu7VQcZ7nX4SdIMb

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test1/get.php

Attributes
  • extension

    .vaze

  • offline_id

    BUcuB8PRg0LNi380axIJs5BS8nCUdeo9U88L2Lt1

  • 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-tnzomMj6HU 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: 0714JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

4

Botnet

e44c96dfdf315ccf17cdd4b93cfe6e48

C2

https://steamcommunity.com/profiles/76561199508624021

https://t.me/looking_glassbot

Attributes
  • profile_id_v2

    e44c96dfdf315ccf17cdd4b93cfe6e48

  • user_agent

    Mozilla/5.0 (X11; CrOS x86_64 14541.0.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36

Signatures

  • Detected Djvu ransomware 17 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.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f66e4e047c3bab0c19144644c1e36087a8ab72c1360faa20dbf76cc5514ee26a.exe
    "C:\Users\Admin\AppData\Local\Temp\f66e4e047c3bab0c19144644c1e36087a8ab72c1360faa20dbf76cc5514ee26a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:408
    • C:\Users\Admin\AppData\Local\Temp\f66e4e047c3bab0c19144644c1e36087a8ab72c1360faa20dbf76cc5514ee26a.exe
      "C:\Users\Admin\AppData\Local\Temp\f66e4e047c3bab0c19144644c1e36087a8ab72c1360faa20dbf76cc5514ee26a.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2232
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\93e1c5e9-dc5b-4be9-83eb-249d0bd54365" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:1836
      • C:\Users\Admin\AppData\Local\Temp\f66e4e047c3bab0c19144644c1e36087a8ab72c1360faa20dbf76cc5514ee26a.exe
        "C:\Users\Admin\AppData\Local\Temp\f66e4e047c3bab0c19144644c1e36087a8ab72c1360faa20dbf76cc5514ee26a.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3808
        • C:\Users\Admin\AppData\Local\Temp\f66e4e047c3bab0c19144644c1e36087a8ab72c1360faa20dbf76cc5514ee26a.exe
          "C:\Users\Admin\AppData\Local\Temp\f66e4e047c3bab0c19144644c1e36087a8ab72c1360faa20dbf76cc5514ee26a.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3796
          • C:\Users\Admin\AppData\Local\0e413fd6-09a8-4d7f-9b68-99ad7f716a30\build2.exe
            "C:\Users\Admin\AppData\Local\0e413fd6-09a8-4d7f-9b68-99ad7f716a30\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:488
            • C:\Users\Admin\AppData\Local\0e413fd6-09a8-4d7f-9b68-99ad7f716a30\build2.exe
              "C:\Users\Admin\AppData\Local\0e413fd6-09a8-4d7f-9b68-99ad7f716a30\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              PID:3116
          • C:\Users\Admin\AppData\Local\0e413fd6-09a8-4d7f-9b68-99ad7f716a30\build3.exe
            "C:\Users\Admin\AppData\Local\0e413fd6-09a8-4d7f-9b68-99ad7f716a30\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:3344
            • 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:1824
  • 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:4580
    • 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:2336

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

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

    de4be4c4e0e9cd4f8d9cbe736c23c184

    SHA1

    f46e03a991a06ba383ccd1d0a8a9a06426322dfa

    SHA256

    86d888eec3475b61914dfe4de9c29e55f7d382660a739cab5a200bd189048ec2

    SHA512

    8e6bba4416f6b7be02e94ae3ac8da5e20907136d12a8ee5257888cde98dc6093353460172d80b0d2271981ac0ff37ab678da95ef081c115fe0b47d9c90360096

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\572BF21E454637C9F000BE1AF9B1E1A9

    Filesize

    506B

    MD5

    91e8bfcd07cb3f9fb8d4a054d221b71c

    SHA1

    770a737455c6a85f8d26cc5e33143c5128b37dcd

    SHA256

    d7c568e3e40c1baa0f3e69eb260ef70e957a6e95d2915d1b62b6f70c4e54f0be

    SHA512

    636166e414072a7154914660f6b7a95a45ee4de02ec3c5e24075775d23203eefe87c0b612625eea85fff26f8367bab24e83dd82dfd9b3468bbf7ebb4d49578ca

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

    Filesize

    488B

    MD5

    e3cf4c5a9ffea22855b9e91a224e90e9

    SHA1

    4b42a5c4fb766ff2b373669799001de462816b73

    SHA256

    4789aa430ff53d31efe41a4d93f0a52ffe08cdc9e9ba0f4c7ec57d629a7535e5

    SHA512

    2728f68ef60da3fe0e03d6e39916a3881a22231a9e2017b33ac6d44980a0d2b57311d39809c1b9d1cd9e53b8c622015b5ffd1b11456f6ac6d750fd36d147d536

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\572BF21E454637C9F000BE1AF9B1E1A9

    Filesize

    248B

    MD5

    b45b6a115af43a3c15eb984202e26cc0

    SHA1

    bbb7bb8208b7463178fa7cbf2038b0789ece5ce8

    SHA256

    da43df66615dc0f6c0b79543682240ec881824c9fc674d00d6770ea304b993d1

    SHA512

    a165a7af13b452abc7d5712759785808fbb713a63b4f03b94cf7e0d682f1e60c03c47126e59950ec16a0da50a8d311c7056af58f53bba33e95fd458fdc602246

  • C:\Users\Admin\AppData\Local\0e413fd6-09a8-4d7f-9b68-99ad7f716a30\build2.exe

    Filesize

    327KB

    MD5

    b888efe68f257aa2335ed9cbd63c1343

    SHA1

    c1a97d41d16a7a274802e873ce6b990312b07e03

    SHA256

    c8b5119160d3301fc69657f1c23c8561e6290b953ec645298f436431d41bbd70

    SHA512

    7d5bfc95c8f3d5bcc12a4ae1929b4ff946ab3747b29b3ab57b684decfa78db4836ec187d8a9ecda5d2e6c4baa02989ac1648fb9aaa0e592fb3a70f880529e3a8

  • C:\Users\Admin\AppData\Local\0e413fd6-09a8-4d7f-9b68-99ad7f716a30\build2.exe

    Filesize

    327KB

    MD5

    b888efe68f257aa2335ed9cbd63c1343

    SHA1

    c1a97d41d16a7a274802e873ce6b990312b07e03

    SHA256

    c8b5119160d3301fc69657f1c23c8561e6290b953ec645298f436431d41bbd70

    SHA512

    7d5bfc95c8f3d5bcc12a4ae1929b4ff946ab3747b29b3ab57b684decfa78db4836ec187d8a9ecda5d2e6c4baa02989ac1648fb9aaa0e592fb3a70f880529e3a8

  • C:\Users\Admin\AppData\Local\0e413fd6-09a8-4d7f-9b68-99ad7f716a30\build2.exe

    Filesize

    327KB

    MD5

    b888efe68f257aa2335ed9cbd63c1343

    SHA1

    c1a97d41d16a7a274802e873ce6b990312b07e03

    SHA256

    c8b5119160d3301fc69657f1c23c8561e6290b953ec645298f436431d41bbd70

    SHA512

    7d5bfc95c8f3d5bcc12a4ae1929b4ff946ab3747b29b3ab57b684decfa78db4836ec187d8a9ecda5d2e6c4baa02989ac1648fb9aaa0e592fb3a70f880529e3a8

  • C:\Users\Admin\AppData\Local\0e413fd6-09a8-4d7f-9b68-99ad7f716a30\build2.exe

    Filesize

    327KB

    MD5

    b888efe68f257aa2335ed9cbd63c1343

    SHA1

    c1a97d41d16a7a274802e873ce6b990312b07e03

    SHA256

    c8b5119160d3301fc69657f1c23c8561e6290b953ec645298f436431d41bbd70

    SHA512

    7d5bfc95c8f3d5bcc12a4ae1929b4ff946ab3747b29b3ab57b684decfa78db4836ec187d8a9ecda5d2e6c4baa02989ac1648fb9aaa0e592fb3a70f880529e3a8

  • C:\Users\Admin\AppData\Local\0e413fd6-09a8-4d7f-9b68-99ad7f716a30\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\0e413fd6-09a8-4d7f-9b68-99ad7f716a30\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\0e413fd6-09a8-4d7f-9b68-99ad7f716a30\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\93e1c5e9-dc5b-4be9-83eb-249d0bd54365\f66e4e047c3bab0c19144644c1e36087a8ab72c1360faa20dbf76cc5514ee26a.exe

    Filesize

    782KB

    MD5

    49eb2e244c6f1794078084e291ef4ce1

    SHA1

    8839ac34afaedc63b40e00f7be732d6cb5770c57

    SHA256

    f66e4e047c3bab0c19144644c1e36087a8ab72c1360faa20dbf76cc5514ee26a

    SHA512

    82a7b73d0ee6689a02ae995faedbed0eb381724fc0f58dd7a27860391928211b167acf310dc40cf8b7d4b2acff758868b2350ac22d3916980bf3630909e442b8

  • 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/408-136-0x00000000025B0000-0x00000000026CB000-memory.dmp

    Filesize

    1.1MB

  • memory/488-201-0x0000000002210000-0x0000000002269000-memory.dmp

    Filesize

    356KB

  • memory/2232-138-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2232-134-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2232-135-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2232-137-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2232-148-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3116-200-0x0000000000400000-0x000000000046D000-memory.dmp

    Filesize

    436KB

  • memory/3116-199-0x0000000000400000-0x000000000046D000-memory.dmp

    Filesize

    436KB

  • memory/3116-285-0x0000000000400000-0x000000000046D000-memory.dmp

    Filesize

    436KB

  • memory/3116-284-0x0000000000400000-0x000000000046D000-memory.dmp

    Filesize

    436KB

  • memory/3116-280-0x0000000000400000-0x000000000046D000-memory.dmp

    Filesize

    436KB

  • memory/3116-202-0x0000000000400000-0x000000000046D000-memory.dmp

    Filesize

    436KB

  • memory/3116-197-0x0000000000400000-0x000000000046D000-memory.dmp

    Filesize

    436KB

  • memory/3116-212-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/3796-152-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3796-192-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3796-168-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3796-160-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3796-164-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3796-166-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3796-153-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3796-167-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3796-169-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3796-154-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3796-159-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB