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Analysis

  • max time kernel
    145s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/05/2023, 14:45

General

  • Target

    mapper918.exe

  • Size

    788KB

  • MD5

    9a8c51a212f4e459593cdd7f833d06c0

  • SHA1

    c7c0fb20616f7916e967bc7e09a78ea9e86ce68a

  • SHA256

    17e627f0cc8314de0c16f1a7bdbd1c21e3694a73b9b81845c4ca76d47a0e04de

  • SHA512

    4ce1f540d785ed5144926346c3088b306f51fd035d1ebd82f1c883517851f6e55b5fb1de4fb1997daca4e31ba71a67ea7d0d83fd3b9b6b183497ab8c5dda9194

  • SSDEEP

    12288:X44GZxRMcH6mr0ZB2N7KKFn/Od6inHbNAphxwB+dVrv9VQOUEW+2v0on:XkZxRKmAB4GKN2d6iH2z1v9aOUqU

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .gatq

  • offline_id

    jB2aJtVEWRwbJf76a6OKB8sn0BtTgNlHYUC5wLt1

  • 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-sD0OUYo1Pd 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: 0712JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

3.9

Botnet

9dfa7ee730fa2f1efb5ed51dbbec22f5

C2

https://steamcommunity.com/profiles/76561199263069598

https://t.me/cybehost

Attributes
  • profile_id_v2

    9dfa7ee730fa2f1efb5ed51dbbec22f5

  • user_agent

    Mozilla/5.0 (compatible; Konqueror/3.5; Linux) KHTML/3.5.7 (like Gecko) (Debian)

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\mapper918.exe
    "C:\Users\Admin\AppData\Local\Temp\mapper918.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3448
    • C:\Users\Admin\AppData\Local\Temp\mapper918.exe
      "C:\Users\Admin\AppData\Local\Temp\mapper918.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1412
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\3496caa7-688f-487f-90f9-4c9c30b6b080" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:4600
      • C:\Users\Admin\AppData\Local\Temp\mapper918.exe
        "C:\Users\Admin\AppData\Local\Temp\mapper918.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:228
        • C:\Users\Admin\AppData\Local\Temp\mapper918.exe
          "C:\Users\Admin\AppData\Local\Temp\mapper918.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4320
          • C:\Users\Admin\AppData\Local\b8481d83-e01d-472e-9e1c-01a8cc92e7d5\build2.exe
            "C:\Users\Admin\AppData\Local\b8481d83-e01d-472e-9e1c-01a8cc92e7d5\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:2228
            • C:\Users\Admin\AppData\Local\b8481d83-e01d-472e-9e1c-01a8cc92e7d5\build2.exe
              "C:\Users\Admin\AppData\Local\b8481d83-e01d-472e-9e1c-01a8cc92e7d5\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              PID:3800
          • C:\Users\Admin\AppData\Local\b8481d83-e01d-472e-9e1c-01a8cc92e7d5\build3.exe
            "C:\Users\Admin\AppData\Local\b8481d83-e01d-472e-9e1c-01a8cc92e7d5\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:4444
            • 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:4924
  • 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:1172
    • 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:2568

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

    cb219b121c03308da05e261107dcde69

    SHA1

    2816c0b95985ce8b42e4f8c30aae93279c3979ef

    SHA256

    d18ee47a9beb6ab36215bb1b778ec97d87c7b6c16ab6449fc6da51ec5ef9967b

    SHA512

    6353b7fa84d06fcb975882c3fb9d0c7e0103ccbbab1101fdb9310ed0d55657e5f714527d59e0d57e9949dc1ecbb9265567cb5393f2a9d9c5968e641b56b82cb3

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

    Filesize

    1KB

    MD5

    374bcc93961e172a78f2a2ded74f3433

    SHA1

    e9bbbb1dcbea961e0aa7d502d032c2fe009397b8

    SHA256

    a6032f21906faae6e57164b9048d08c6f65fccc04ac64a3fe622f0f0360e5239

    SHA512

    6272ff1b1c042adec0f2a424f582f1567c4ce068ef98d8bdb1fee5727c075f2994a27f323a2e45d90b0b993a003741e40810a7ca920a6f5d81f821835f0e69ed

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

    Filesize

    488B

    MD5

    ebcf8fc5a8b6793e192316ff0c064ebb

    SHA1

    9468b52291d8ecc8ab163f250d40929b92616ab6

    SHA256

    0dbbb8ae78bd98d595a3a8f775107d049f8fd70e995180e38b56ad7bb2f19528

    SHA512

    32b6b61e349f378363c62dfe765065a2ece417f85eb58638476d8283afa17721bfd21c807a1d42b256a3cc14ec8093d66cd5262d260a79b7e4ff2f98f07caa94

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

    Filesize

    482B

    MD5

    7e2bbae0c17aeaf18f33938b701736ff

    SHA1

    4ee6a688c4f59857c7a0265c078c0a332d604ccc

    SHA256

    7c69c531cff17f57ebe0473117d58bd481d7b1c842d6599895c5cda99ac7af34

    SHA512

    a2e029f68784e300a03f8707c86ca4fdef082b5338a8a71ac9ce7a4a5ef4c6ac109b73110c7b7de00bad51dde3dc8a79ba2e140d265fc35980e92bfa633cf7d5

  • C:\Users\Admin\AppData\Local\3496caa7-688f-487f-90f9-4c9c30b6b080\mapper918.exe

    Filesize

    788KB

    MD5

    9a8c51a212f4e459593cdd7f833d06c0

    SHA1

    c7c0fb20616f7916e967bc7e09a78ea9e86ce68a

    SHA256

    17e627f0cc8314de0c16f1a7bdbd1c21e3694a73b9b81845c4ca76d47a0e04de

    SHA512

    4ce1f540d785ed5144926346c3088b306f51fd035d1ebd82f1c883517851f6e55b5fb1de4fb1997daca4e31ba71a67ea7d0d83fd3b9b6b183497ab8c5dda9194

  • C:\Users\Admin\AppData\Local\b8481d83-e01d-472e-9e1c-01a8cc92e7d5\build2.exe

    Filesize

    379KB

    MD5

    37b6aab56a0f770ce58a670322361a1c

    SHA1

    87606604cdaa89b93d4d1b5e3e12f5ec24f60016

    SHA256

    3d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4

    SHA512

    7b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e

  • C:\Users\Admin\AppData\Local\b8481d83-e01d-472e-9e1c-01a8cc92e7d5\build2.exe

    Filesize

    379KB

    MD5

    37b6aab56a0f770ce58a670322361a1c

    SHA1

    87606604cdaa89b93d4d1b5e3e12f5ec24f60016

    SHA256

    3d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4

    SHA512

    7b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e

  • C:\Users\Admin\AppData\Local\b8481d83-e01d-472e-9e1c-01a8cc92e7d5\build2.exe

    Filesize

    379KB

    MD5

    37b6aab56a0f770ce58a670322361a1c

    SHA1

    87606604cdaa89b93d4d1b5e3e12f5ec24f60016

    SHA256

    3d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4

    SHA512

    7b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e

  • C:\Users\Admin\AppData\Local\b8481d83-e01d-472e-9e1c-01a8cc92e7d5\build2.exe

    Filesize

    379KB

    MD5

    37b6aab56a0f770ce58a670322361a1c

    SHA1

    87606604cdaa89b93d4d1b5e3e12f5ec24f60016

    SHA256

    3d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4

    SHA512

    7b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e

  • C:\Users\Admin\AppData\Local\b8481d83-e01d-472e-9e1c-01a8cc92e7d5\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\b8481d83-e01d-472e-9e1c-01a8cc92e7d5\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\b8481d83-e01d-472e-9e1c-01a8cc92e7d5\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/1412-137-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1412-148-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1412-135-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1412-138-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1412-134-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2228-187-0x0000000000AD0000-0x0000000000B27000-memory.dmp

    Filesize

    348KB

  • memory/3448-136-0x0000000002460000-0x000000000257B000-memory.dmp

    Filesize

    1.1MB

  • memory/3800-210-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/3800-186-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/3800-280-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/3800-279-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/3800-183-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/3800-188-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/3800-278-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/3800-185-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/4320-168-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4320-159-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4320-206-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4320-158-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4320-170-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4320-178-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4320-152-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4320-283-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4320-157-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4320-151-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB