Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/07/2023, 12:41

General

  • Target

    011cf894f9e64f4e3307867cdbd1b9b3a073f04f460ca22e5296179cc9df926d.exe

  • Size

    766KB

  • MD5

    e2bd4ef1fa9f1b5277e8a4a29b74cce0

  • SHA1

    0d9bef8e5398af1a774728bb1e325356dcd631d5

  • SHA256

    011cf894f9e64f4e3307867cdbd1b9b3a073f04f460ca22e5296179cc9df926d

  • SHA512

    5d0b90b6a76808ee63d1dda21b5f4b8d3de9b0c136d0f1c1c258c15a5f2dbe4c2f09d39d9d650d0909b121a1ed7ac15a0d6d7f8bcf5419d186524a4209868f88

  • SSDEEP

    12288:4myAhJoEzJzfpkACcFM9V4LGQPW+hQV4XGHtuQJ9izbfpdO14fZBjm:4myA/zJzf/dFprjmApI+bf7euBjm

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .poaz

  • offline_id

    Cr1qw6x3Gr36kVHAZvrjTBFecy9ksVLEfrUGCjt1

  • 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-MDnNtxiPM0 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: 0753JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

4.9

Botnet

https://t.me/dastantim

C2

https://t.me/dastantim

https://steamcommunity.com/profiles/76561199529242058

Attributes
  • profile_id_v2

    https://t.me/dastantim

  • user_agent

    Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36 Vivaldi/3.7

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).

  • Program crash 1 IoCs
  • 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 10 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\011cf894f9e64f4e3307867cdbd1b9b3a073f04f460ca22e5296179cc9df926d.exe
    "C:\Users\Admin\AppData\Local\Temp\011cf894f9e64f4e3307867cdbd1b9b3a073f04f460ca22e5296179cc9df926d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2176
    • C:\Users\Admin\AppData\Local\Temp\011cf894f9e64f4e3307867cdbd1b9b3a073f04f460ca22e5296179cc9df926d.exe
      "C:\Users\Admin\AppData\Local\Temp\011cf894f9e64f4e3307867cdbd1b9b3a073f04f460ca22e5296179cc9df926d.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2728
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\9270727a-11ba-437d-bdf5-82d082478b2a" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:1188
      • C:\Users\Admin\AppData\Local\Temp\011cf894f9e64f4e3307867cdbd1b9b3a073f04f460ca22e5296179cc9df926d.exe
        "C:\Users\Admin\AppData\Local\Temp\011cf894f9e64f4e3307867cdbd1b9b3a073f04f460ca22e5296179cc9df926d.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:216
        • C:\Users\Admin\AppData\Local\Temp\011cf894f9e64f4e3307867cdbd1b9b3a073f04f460ca22e5296179cc9df926d.exe
          "C:\Users\Admin\AppData\Local\Temp\011cf894f9e64f4e3307867cdbd1b9b3a073f04f460ca22e5296179cc9df926d.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:400
          • C:\Users\Admin\AppData\Local\fed44734-9768-4a3f-a652-8bb54c863ae9\build2.exe
            "C:\Users\Admin\AppData\Local\fed44734-9768-4a3f-a652-8bb54c863ae9\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4516
            • C:\Users\Admin\AppData\Local\fed44734-9768-4a3f-a652-8bb54c863ae9\build2.exe
              "C:\Users\Admin\AppData\Local\fed44734-9768-4a3f-a652-8bb54c863ae9\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              PID:2260
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2260 -s 1956
                7⤵
                • Program crash
                PID:4972
          • C:\Users\Admin\AppData\Local\fed44734-9768-4a3f-a652-8bb54c863ae9\build3.exe
            "C:\Users\Admin\AppData\Local\fed44734-9768-4a3f-a652-8bb54c863ae9\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:4568
            • 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:2648
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2260 -ip 2260
    1⤵
      PID:2076
    • 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:3752
      • 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:5004

    Network

    MITRE ATT&CK Enterprise v15

    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

      f15cc7f1027a56b71d5895c4897e916f

      SHA1

      0ebbf844932cb2d718ecf2a457694a6f83dd1dcc

      SHA256

      b658d543ca7a49216bc5d8a20c50855cbb72bb6d5c9d59067ca459eb5b726537

      SHA512

      c43a1089971458666265aeb229a932de5de10c6dc291067c5f705cf92de29bf5a83b1400364fef40f0866a47fe36c63e2a5415d55d6963ad41e51897252c8708

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

      Filesize

      1KB

      MD5

      2ac74d32fef934ceddc6a44b4ea0478b

      SHA1

      572ceb6de9d0b3e58aaa2903a56c4f4a2327a716

      SHA256

      64fedb27098214c70ac38a2cc7f226e8d4e3a7bf983de9040045625dc75ee424

      SHA512

      329c2251a90ee427d6fecb1a5740760cee28da2d5ad0cb10ef5dc2256e3af51443b7b482ce0c3ee8e253c48e29fb4b704082d8cde09fb4b1cf4382236920b9af

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

      Filesize

      488B

      MD5

      47d975af0b1f82c6dd1b4de0ebb4545b

      SHA1

      7adf34105c7a98850ab71377997bbf25cdd379ce

      SHA256

      c669840b4cf4a86add56c074ffe6e5b8b273f55263f1f61c82316e9e6b470fdf

      SHA512

      a757eb3cfd7d8dbb5d3ffc94e30a6cc8f5dcd730e63f09fbd8584533fd35ed63c485bf05d8e92e3e707828e36165209951080537a80ffdefd79929ce9ace9075

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

      Filesize

      482B

      MD5

      df8c28db5db1f1ee9279ad02fd4e9e98

      SHA1

      ef725ca855a75ff39569236e4cce9edfc2db05e6

      SHA256

      0c02e8cce10435f0c9d626bddb4a41611cca6fe176d522080c8fbc17c13497e7

      SHA512

      d968ca51eff7bc10906e79fb046a03681866dd70f11743e42308dd45c129f4dac8ec7439c339051dee9c37172f8b482a73cbbbab071f6a1a3b6f00ebe5cc16ff

    • C:\Users\Admin\AppData\Local\9270727a-11ba-437d-bdf5-82d082478b2a\011cf894f9e64f4e3307867cdbd1b9b3a073f04f460ca22e5296179cc9df926d.exe

      Filesize

      766KB

      MD5

      e2bd4ef1fa9f1b5277e8a4a29b74cce0

      SHA1

      0d9bef8e5398af1a774728bb1e325356dcd631d5

      SHA256

      011cf894f9e64f4e3307867cdbd1b9b3a073f04f460ca22e5296179cc9df926d

      SHA512

      5d0b90b6a76808ee63d1dda21b5f4b8d3de9b0c136d0f1c1c258c15a5f2dbe4c2f09d39d9d650d0909b121a1ed7ac15a0d6d7f8bcf5419d186524a4209868f88

    • C:\Users\Admin\AppData\Local\fed44734-9768-4a3f-a652-8bb54c863ae9\build2.exe

      Filesize

      402KB

      MD5

      79ee3f218e6a4a67e44020c5cdd19330

      SHA1

      0c1115343c1ecc0491f0b49e0ee62c0dd2977494

      SHA256

      726855dc870ed0224d91891b898e542393149b0eaef7817aa332b71c13b22ae0

      SHA512

      eea28a2c76938d71f2538b0423cc7ec9aaacaa5445541606824d2a16d4711f6e3ece1076da4674413094844c077bd88c4e1eff2017a10623fc9fbb1161c905bf

    • C:\Users\Admin\AppData\Local\fed44734-9768-4a3f-a652-8bb54c863ae9\build2.exe

      Filesize

      402KB

      MD5

      79ee3f218e6a4a67e44020c5cdd19330

      SHA1

      0c1115343c1ecc0491f0b49e0ee62c0dd2977494

      SHA256

      726855dc870ed0224d91891b898e542393149b0eaef7817aa332b71c13b22ae0

      SHA512

      eea28a2c76938d71f2538b0423cc7ec9aaacaa5445541606824d2a16d4711f6e3ece1076da4674413094844c077bd88c4e1eff2017a10623fc9fbb1161c905bf

    • C:\Users\Admin\AppData\Local\fed44734-9768-4a3f-a652-8bb54c863ae9\build2.exe

      Filesize

      402KB

      MD5

      79ee3f218e6a4a67e44020c5cdd19330

      SHA1

      0c1115343c1ecc0491f0b49e0ee62c0dd2977494

      SHA256

      726855dc870ed0224d91891b898e542393149b0eaef7817aa332b71c13b22ae0

      SHA512

      eea28a2c76938d71f2538b0423cc7ec9aaacaa5445541606824d2a16d4711f6e3ece1076da4674413094844c077bd88c4e1eff2017a10623fc9fbb1161c905bf

    • C:\Users\Admin\AppData\Local\fed44734-9768-4a3f-a652-8bb54c863ae9\build2.exe

      Filesize

      402KB

      MD5

      79ee3f218e6a4a67e44020c5cdd19330

      SHA1

      0c1115343c1ecc0491f0b49e0ee62c0dd2977494

      SHA256

      726855dc870ed0224d91891b898e542393149b0eaef7817aa332b71c13b22ae0

      SHA512

      eea28a2c76938d71f2538b0423cc7ec9aaacaa5445541606824d2a16d4711f6e3ece1076da4674413094844c077bd88c4e1eff2017a10623fc9fbb1161c905bf

    • C:\Users\Admin\AppData\Local\fed44734-9768-4a3f-a652-8bb54c863ae9\build3.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • C:\Users\Admin\AppData\Local\fed44734-9768-4a3f-a652-8bb54c863ae9\build3.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • C:\Users\Admin\AppData\Local\fed44734-9768-4a3f-a652-8bb54c863ae9\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/216-151-0x0000000003FE0000-0x000000000407F000-memory.dmp

      Filesize

      636KB

    • memory/400-160-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/400-165-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/400-167-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/400-168-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/400-153-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/400-207-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/400-161-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/400-154-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/400-281-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/400-155-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/400-211-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/2176-135-0x0000000004240000-0x000000000435B000-memory.dmp

      Filesize

      1.1MB

    • memory/2176-134-0x00000000040B0000-0x000000000414C000-memory.dmp

      Filesize

      624KB

    • memory/2260-283-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/2260-282-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/2260-187-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/2260-189-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/2260-212-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/2260-285-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/2260-284-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/2260-188-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/2260-185-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/2728-137-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/2728-136-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/2728-138-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/2728-139-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/2728-148-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/4516-184-0x0000000003F90000-0x0000000004053000-memory.dmp

      Filesize

      780KB

    • memory/4516-183-0x0000000002310000-0x0000000002410000-memory.dmp

      Filesize

      1024KB