Analysis

  • max time kernel
    145s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/02/2023, 10:45

General

  • Target

    8b752fb6be0168bf218bbb2b8560a8fcf2227e0208b979a4e7656e568a08853c.exe

  • Size

    673KB

  • MD5

    05c2ad3a05f5d1d00c70b8d9118a93ad

  • SHA1

    a4191491d990c61c49167206e9e1d373aff2b61e

  • SHA256

    8b752fb6be0168bf218bbb2b8560a8fcf2227e0208b979a4e7656e568a08853c

  • SHA512

    fe923b202b53e6fd3c6f3cb38db00e319ec6e884eddaf40a5e496bd7151ac553d61967bb8a658fa2cd8c019c0a012a930dce5b79c386875a64ef5e65da103f11

  • SSDEEP

    12288:ZVIoTDZkG7iapcfN86XRLnCYCyIg1O58pTii7xjqM9U3OwjG30MTblSLvD:ZVTZR7ncfe6XxnCYCyz1O58pTvD9U3OE

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .iowd

  • offline_id

    O5Ml6uMfuo0gYusk48e0q49EQlFERyL5eSVQmVt1

  • payload_url

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

    http://jiqaz.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-vdhH9Qcpjj 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: 0649JOsie

rsa_pubkey.plain

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). Likely ransomware behaviour.

  • 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 6 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b752fb6be0168bf218bbb2b8560a8fcf2227e0208b979a4e7656e568a08853c.exe
    "C:\Users\Admin\AppData\Local\Temp\8b752fb6be0168bf218bbb2b8560a8fcf2227e0208b979a4e7656e568a08853c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3100
    • C:\Users\Admin\AppData\Local\Temp\8b752fb6be0168bf218bbb2b8560a8fcf2227e0208b979a4e7656e568a08853c.exe
      "C:\Users\Admin\AppData\Local\Temp\8b752fb6be0168bf218bbb2b8560a8fcf2227e0208b979a4e7656e568a08853c.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2848
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\ea5ace65-e382-4943-921a-96463e463c0b" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:5064
      • C:\Users\Admin\AppData\Local\Temp\8b752fb6be0168bf218bbb2b8560a8fcf2227e0208b979a4e7656e568a08853c.exe
        "C:\Users\Admin\AppData\Local\Temp\8b752fb6be0168bf218bbb2b8560a8fcf2227e0208b979a4e7656e568a08853c.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3488
        • C:\Users\Admin\AppData\Local\Temp\8b752fb6be0168bf218bbb2b8560a8fcf2227e0208b979a4e7656e568a08853c.exe
          "C:\Users\Admin\AppData\Local\Temp\8b752fb6be0168bf218bbb2b8560a8fcf2227e0208b979a4e7656e568a08853c.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:796
          • C:\Users\Admin\AppData\Local\c30bb2bb-9012-48be-9c84-38de1d2cd322\build2.exe
            "C:\Users\Admin\AppData\Local\c30bb2bb-9012-48be-9c84-38de1d2cd322\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:3968
            • C:\Users\Admin\AppData\Local\c30bb2bb-9012-48be-9c84-38de1d2cd322\build2.exe
              "C:\Users\Admin\AppData\Local\c30bb2bb-9012-48be-9c84-38de1d2cd322\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              PID:1764
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 1908
                7⤵
                • Program crash
                PID:856
          • C:\Users\Admin\AppData\Local\c30bb2bb-9012-48be-9c84-38de1d2cd322\build3.exe
            "C:\Users\Admin\AppData\Local\c30bb2bb-9012-48be-9c84-38de1d2cd322\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:3228
            • 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:1692
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1764 -ip 1764
    1⤵
      PID:1428
    • 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:1016
      • 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:2420

    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

      cbaaa31a46cfb789bbc98a8096e56da3

      SHA1

      79f471052d4383203500bbef818957b5b8dea21d

      SHA256

      13493838900a0f05699a35456ea36ced2321158008d48981916e240cbdb61afd

      SHA512

      fc5508284fb2f5879ae09d4af5861f1698f1f2f10f9dcff728d0a56d62a60459543eaf51476deeb8e9225a2cc80271d5408544e84d5bec94ca0640cf832aadc6

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

      Filesize

      1KB

      MD5

      c4a25dfef00224e399cdff2b249b3ed9

      SHA1

      6d2f5e34668868607fa75fd506da5fdc33d75b32

      SHA256

      59e08914fdecf341021137601b765d45dbe07710a24ab1fce168ab2b113136e8

      SHA512

      d6c8698a0799456c1aec51e5625cd3e6400f64b93e82c2c92cb3fdfbcba91361854aa759272c3ac3353cfbbb5bb0155d8aa895079d69afea28b775228e123c26

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

      Filesize

      488B

      MD5

      f4b924b2006e1556d3a08e59f0122bd5

      SHA1

      fe457f9ae07fcab88ec5593d29e44411e5ae8ee7

      SHA256

      d120e6f1e3111807e0dba451d4f5e458b2eac16c1f15463e6e38c3154c311599

      SHA512

      7942195e756949ff73e6903315e70e28d8534b40000c3b68d649bf9b372e79af2c33d4eca4b52e8d25ab2e909c967371cb73ab523cccf2adf12daf841245338d

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

      Filesize

      482B

      MD5

      0cb822792e80ed5cc7ae7b3114eb5d82

      SHA1

      b663b8385367f1117b299e5e62fe66e6a4b91bb5

      SHA256

      48849a8e0aa43af5f24e4b96846f1adf4a7b7a4c0d006a3ff31f74d5609f13f9

      SHA512

      85f6cf77d2956ceafe94c6c0fc8ad2a3dba9aee127d2bf473954cb709662fa37539474beed6f92ed1071508c1454578f67f7a261732d8fba01daa0e8a07e7188

    • C:\Users\Admin\AppData\Local\c30bb2bb-9012-48be-9c84-38de1d2cd322\build2.exe

      Filesize

      333KB

      MD5

      cd502aebbfdcff821e1265572ab37fa1

      SHA1

      2107470c4b3afeaedd86ed24aaced96b9d6bedd5

      SHA256

      6a617163b5914f23371a4d8cf8c13773fee397e02441b0ce411601fc1ac5f54c

      SHA512

      b818320ea5332a9843ecf3321d9a4b1901d4eff75672c22012eed62a88dfc13184bfc09f99363c5173360895dd1dfd55dab95311c8f11553e26723e61c76f95a

    • C:\Users\Admin\AppData\Local\c30bb2bb-9012-48be-9c84-38de1d2cd322\build2.exe

      Filesize

      333KB

      MD5

      cd502aebbfdcff821e1265572ab37fa1

      SHA1

      2107470c4b3afeaedd86ed24aaced96b9d6bedd5

      SHA256

      6a617163b5914f23371a4d8cf8c13773fee397e02441b0ce411601fc1ac5f54c

      SHA512

      b818320ea5332a9843ecf3321d9a4b1901d4eff75672c22012eed62a88dfc13184bfc09f99363c5173360895dd1dfd55dab95311c8f11553e26723e61c76f95a

    • C:\Users\Admin\AppData\Local\c30bb2bb-9012-48be-9c84-38de1d2cd322\build2.exe

      Filesize

      333KB

      MD5

      cd502aebbfdcff821e1265572ab37fa1

      SHA1

      2107470c4b3afeaedd86ed24aaced96b9d6bedd5

      SHA256

      6a617163b5914f23371a4d8cf8c13773fee397e02441b0ce411601fc1ac5f54c

      SHA512

      b818320ea5332a9843ecf3321d9a4b1901d4eff75672c22012eed62a88dfc13184bfc09f99363c5173360895dd1dfd55dab95311c8f11553e26723e61c76f95a

    • C:\Users\Admin\AppData\Local\c30bb2bb-9012-48be-9c84-38de1d2cd322\build2.exe

      Filesize

      333KB

      MD5

      cd502aebbfdcff821e1265572ab37fa1

      SHA1

      2107470c4b3afeaedd86ed24aaced96b9d6bedd5

      SHA256

      6a617163b5914f23371a4d8cf8c13773fee397e02441b0ce411601fc1ac5f54c

      SHA512

      b818320ea5332a9843ecf3321d9a4b1901d4eff75672c22012eed62a88dfc13184bfc09f99363c5173360895dd1dfd55dab95311c8f11553e26723e61c76f95a

    • C:\Users\Admin\AppData\Local\c30bb2bb-9012-48be-9c84-38de1d2cd322\build3.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • C:\Users\Admin\AppData\Local\c30bb2bb-9012-48be-9c84-38de1d2cd322\build3.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • C:\Users\Admin\AppData\Local\c30bb2bb-9012-48be-9c84-38de1d2cd322\build3.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • C:\Users\Admin\AppData\Local\ea5ace65-e382-4943-921a-96463e463c0b\8b752fb6be0168bf218bbb2b8560a8fcf2227e0208b979a4e7656e568a08853c.exe

      Filesize

      673KB

      MD5

      05c2ad3a05f5d1d00c70b8d9118a93ad

      SHA1

      a4191491d990c61c49167206e9e1d373aff2b61e

      SHA256

      8b752fb6be0168bf218bbb2b8560a8fcf2227e0208b979a4e7656e568a08853c

      SHA512

      fe923b202b53e6fd3c6f3cb38db00e319ec6e884eddaf40a5e496bd7151ac553d61967bb8a658fa2cd8c019c0a012a930dce5b79c386875a64ef5e65da103f11

    • 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/796-163-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/796-165-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/796-166-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/796-276-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/796-152-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/796-159-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/796-202-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/796-158-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/796-157-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/796-151-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/1764-205-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/1764-273-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/1764-182-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/1764-180-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/1764-277-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/1764-178-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/1764-275-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/1764-192-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/2848-136-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/2848-134-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/2848-137-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/2848-138-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/2848-147-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/3100-135-0x0000000002370000-0x000000000248B000-memory.dmp

      Filesize

      1.1MB

    • memory/3968-181-0x0000000000810000-0x000000000086C000-memory.dmp

      Filesize

      368KB