Analysis

  • max time kernel
    64s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/12/2022, 19:16

General

  • Target

    ae693c41c3a9ca506fa3d737329e307edf548221d9f9c1d21158d760534b7de8.exe

  • Size

    800KB

  • MD5

    803fd0050ba2d539017e9fa6efd1ea27

  • SHA1

    eaf496fa3255aceecdb170c43190a9b628f03b75

  • SHA256

    ae693c41c3a9ca506fa3d737329e307edf548221d9f9c1d21158d760534b7de8

  • SHA512

    b8747c794eb0b0a7a9bda2af480c1d43da7ed054e30a83e33376e104d7774a1e57e42856c4925421b75e215a76e67515ffe8496b9dd855f285b634b8f1d48ab3

  • SSDEEP

    12288:iMcNIJl3u5ssGW2e+eMaloP7HfTP4wHBTymsH+iSnwzuk6KB4ct2YdgtCtg:ijwx3PeTlgTP4whq+iSn6z8

Malware Config

Extracted

Family

djvu

C2

http://abibiall.com/test2/get.php

Attributes
  • extension

    .maos

  • offline_id

    M6quF9d1g2LNWnBiQpTSgbW26JwEOrFwFfT1xGt1

  • payload_url

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

    http://abibiall.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-67n37yZLXk 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: 0615JOsie

rsa_pubkey.plain

Signatures

  • Detected Djvu ransomware 10 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • 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.

  • 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.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ae693c41c3a9ca506fa3d737329e307edf548221d9f9c1d21158d760534b7de8.exe
    "C:\Users\Admin\AppData\Local\Temp\ae693c41c3a9ca506fa3d737329e307edf548221d9f9c1d21158d760534b7de8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2804
    • C:\Users\Admin\AppData\Local\Temp\ae693c41c3a9ca506fa3d737329e307edf548221d9f9c1d21158d760534b7de8.exe
      "C:\Users\Admin\AppData\Local\Temp\ae693c41c3a9ca506fa3d737329e307edf548221d9f9c1d21158d760534b7de8.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1740
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\86cb2cfc-f212-485d-aa66-489e3fb08309" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:1780
      • C:\Users\Admin\AppData\Local\Temp\ae693c41c3a9ca506fa3d737329e307edf548221d9f9c1d21158d760534b7de8.exe
        "C:\Users\Admin\AppData\Local\Temp\ae693c41c3a9ca506fa3d737329e307edf548221d9f9c1d21158d760534b7de8.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2512
        • C:\Users\Admin\AppData\Local\Temp\ae693c41c3a9ca506fa3d737329e307edf548221d9f9c1d21158d760534b7de8.exe
          "C:\Users\Admin\AppData\Local\Temp\ae693c41c3a9ca506fa3d737329e307edf548221d9f9c1d21158d760534b7de8.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3184
          • C:\Users\Admin\AppData\Local\74871204-d2c6-4081-a446-ccff81b95d30\build2.exe
            "C:\Users\Admin\AppData\Local\74871204-d2c6-4081-a446-ccff81b95d30\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:3212
            • C:\Users\Admin\AppData\Local\74871204-d2c6-4081-a446-ccff81b95d30\build2.exe
              "C:\Users\Admin\AppData\Local\74871204-d2c6-4081-a446-ccff81b95d30\build2.exe"
              6⤵
              • Executes dropped EXE
              • Checks computer location settings
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:5108
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\74871204-d2c6-4081-a446-ccff81b95d30\build2.exe" & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:4892
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  8⤵
                  • Delays execution with timeout.exe
                  PID:3116
          • C:\Users\Admin\AppData\Local\74871204-d2c6-4081-a446-ccff81b95d30\build3.exe
            "C:\Users\Admin\AppData\Local\74871204-d2c6-4081-a446-ccff81b95d30\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:3608
            • 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:4324
  • 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:3916

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\mozglue.dll

    Filesize

    133KB

    MD5

    8f73c08a9660691143661bf7332c3c27

    SHA1

    37fa65dd737c50fda710fdbde89e51374d0c204a

    SHA256

    3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

    SHA512

    0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

  • C:\ProgramData\nss3.dll

    Filesize

    1.2MB

    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

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

    Filesize

    2KB

    MD5

    a3ba06b0a900ef1f790d2d1faa188e08

    SHA1

    51f7daf4a2bd9c1a9d52bbb62989c7208b71cd98

    SHA256

    30d532e2ce3f53e0865186393000a9a8af1318ab251ebabb168b0bc84bebe4b9

    SHA512

    9ad7d398badf9c48caa8473f4e120a82eba1c37f4885fe19ec34d173821456653a14185bb628338555155035fd77c782525b32385036317140eadaf4918b8e5b

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

    Filesize

    1KB

    MD5

    59e98119dbb289e1c12576b7f5f58831

    SHA1

    d8e74af395a1976a9232d626215333931a3f23ce

    SHA256

    fa68e1f0d87d4ed9a1891e1760cc6c9c6c015547a982e8fb07e58f4d14e38c8f

    SHA512

    672d7926f26f36a8d2c3c3871d8c37249b2d376b2cad82ad01280d9680d0d18bdf65626db48120b7bca1a59ccc49c36b84a7e454235634376e14de03ce11b39c

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

    Filesize

    488B

    MD5

    68764dd08e79a481c3e8da0a1ec5b622

    SHA1

    9c8012de06f15d8a20a379d0482d21bd06e84cbc

    SHA256

    d9b8692970ba63155edf74cf3140a3956cd9c6f5c843c15e80581b45b6159e3b

    SHA512

    ca3c9575b83b5eab63a4907a0029dbe9ba8b4f8ef31e699f5d0834205d47da7402b9fc8645c8ee4dbb51dc29a0a22451e21b47ed5e4bbb3951bd151d305d4c09

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

    Filesize

    482B

    MD5

    07954baf17799093a967da77257598e3

    SHA1

    4c2474ec8956cdcc931ed7a6696b7ed0d8f570d9

    SHA256

    b8db0ba0b1b863d04658647f3bd07d9aeb85cd92c4c7f6b1a16026f7da4cc033

    SHA512

    9a8d2a376010355407817e8d959ee374687764c24c8391ba3d97235c6c3ae070bdc1da0713073150020f5b46a3d77243dd6b5a7f12976e6696ee42d8e1f7e490

  • C:\Users\Admin\AppData\Local\74871204-d2c6-4081-a446-ccff81b95d30\build2.exe

    Filesize

    370KB

    MD5

    6a7892ece7e8bf85628e0e769560b7cb

    SHA1

    e13140e719218b14dd168467a63d481c7259df8c

    SHA256

    363dd986f98ab17b465354c93bd6f2b391b81593887dc88a0818d3d07264f844

    SHA512

    0091f76a7acf12ce121cc89702bbc7116cd91c4d69be1aaded7deabff92f7a913572d50b37b4ea0ac5cec28ceb4d2a505ed5dd7e98fa13ded39d1114a0ca7e7f

  • C:\Users\Admin\AppData\Local\74871204-d2c6-4081-a446-ccff81b95d30\build2.exe

    Filesize

    370KB

    MD5

    6a7892ece7e8bf85628e0e769560b7cb

    SHA1

    e13140e719218b14dd168467a63d481c7259df8c

    SHA256

    363dd986f98ab17b465354c93bd6f2b391b81593887dc88a0818d3d07264f844

    SHA512

    0091f76a7acf12ce121cc89702bbc7116cd91c4d69be1aaded7deabff92f7a913572d50b37b4ea0ac5cec28ceb4d2a505ed5dd7e98fa13ded39d1114a0ca7e7f

  • C:\Users\Admin\AppData\Local\74871204-d2c6-4081-a446-ccff81b95d30\build2.exe

    Filesize

    370KB

    MD5

    6a7892ece7e8bf85628e0e769560b7cb

    SHA1

    e13140e719218b14dd168467a63d481c7259df8c

    SHA256

    363dd986f98ab17b465354c93bd6f2b391b81593887dc88a0818d3d07264f844

    SHA512

    0091f76a7acf12ce121cc89702bbc7116cd91c4d69be1aaded7deabff92f7a913572d50b37b4ea0ac5cec28ceb4d2a505ed5dd7e98fa13ded39d1114a0ca7e7f

  • C:\Users\Admin\AppData\Local\74871204-d2c6-4081-a446-ccff81b95d30\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\74871204-d2c6-4081-a446-ccff81b95d30\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\86cb2cfc-f212-485d-aa66-489e3fb08309\ae693c41c3a9ca506fa3d737329e307edf548221d9f9c1d21158d760534b7de8.exe

    Filesize

    800KB

    MD5

    803fd0050ba2d539017e9fa6efd1ea27

    SHA1

    eaf496fa3255aceecdb170c43190a9b628f03b75

    SHA256

    ae693c41c3a9ca506fa3d737329e307edf548221d9f9c1d21158d760534b7de8

    SHA512

    b8747c794eb0b0a7a9bda2af480c1d43da7ed054e30a83e33376e104d7774a1e57e42856c4925421b75e215a76e67515ffe8496b9dd855f285b634b8f1d48ab3

  • 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/1740-143-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1740-135-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1740-134-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1740-139-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1740-138-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2512-147-0x00000000009D4000-0x0000000000A65000-memory.dmp

    Filesize

    580KB

  • memory/2804-132-0x0000000000A82000-0x0000000000B13000-memory.dmp

    Filesize

    580KB

  • memory/2804-136-0x0000000000B20000-0x0000000000C3B000-memory.dmp

    Filesize

    1.1MB

  • memory/2804-137-0x0000000000A82000-0x0000000000B13000-memory.dmp

    Filesize

    580KB

  • memory/3184-169-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3184-148-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3184-146-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3184-153-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3212-165-0x00000000004F2000-0x0000000000523000-memory.dmp

    Filesize

    196KB

  • memory/3212-167-0x0000000000710000-0x0000000000767000-memory.dmp

    Filesize

    348KB

  • memory/5108-170-0x0000000060900000-0x0000000060992000-memory.dmp

    Filesize

    584KB

  • memory/5108-168-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/5108-192-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/5108-166-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/5108-164-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/5108-162-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB