Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/06/2023, 14:41

General

  • Target

    3f69a4412c5639c347884de3eb13b12b822b3c43f1708240d55befe6376fa847.exe

  • Size

    774KB

  • MD5

    c025f824c9a53cba2111ca0ac2cd65d2

  • SHA1

    9526fac21bbae950c5b24acdb0660d3973529211

  • SHA256

    3f69a4412c5639c347884de3eb13b12b822b3c43f1708240d55befe6376fa847

  • SHA512

    56ffbe53014f8ebff42618791e7ec0e1c448133b6487fd8f892e09761665cf82599e2c014b2a857dc169c4a8ada9eb810a78c54e053828ab9d8021294f25b702

  • SSDEEP

    24576:xR2QjCH18KolrwviLt+Kzac78GL9qKGvss5A:xR21oKKB+KznoGBqKGkW

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .neon

  • offline_id

    0vTA6MA1m5nzrdffOCJC7YmAa4Lp6YNN8lOJ4mt1

  • 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-vc50LyB2yb 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: 0725JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

4.1

Botnet

77a63e71a10ee1d81a28b5c866b75922

C2

https://steamcommunity.com/profiles/76561199510444991

https://t.me/task4manager

Attributes
  • profile_id_v2

    77a63e71a10ee1d81a28b5c866b75922

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36 Edg/112.0.1722.34

Signatures

  • Detected Djvu ransomware 15 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 3 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
  • 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.

  • 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\3f69a4412c5639c347884de3eb13b12b822b3c43f1708240d55befe6376fa847.exe
    "C:\Users\Admin\AppData\Local\Temp\3f69a4412c5639c347884de3eb13b12b822b3c43f1708240d55befe6376fa847.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4352
    • C:\Users\Admin\AppData\Local\Temp\3f69a4412c5639c347884de3eb13b12b822b3c43f1708240d55befe6376fa847.exe
      "C:\Users\Admin\AppData\Local\Temp\3f69a4412c5639c347884de3eb13b12b822b3c43f1708240d55befe6376fa847.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:448
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\b278e89c-8ef7-497c-a91b-0882f07c1e2a" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:396
      • C:\Users\Admin\AppData\Local\Temp\3f69a4412c5639c347884de3eb13b12b822b3c43f1708240d55befe6376fa847.exe
        "C:\Users\Admin\AppData\Local\Temp\3f69a4412c5639c347884de3eb13b12b822b3c43f1708240d55befe6376fa847.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3436
        • C:\Users\Admin\AppData\Local\Temp\3f69a4412c5639c347884de3eb13b12b822b3c43f1708240d55befe6376fa847.exe
          "C:\Users\Admin\AppData\Local\Temp\3f69a4412c5639c347884de3eb13b12b822b3c43f1708240d55befe6376fa847.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:232
          • C:\Users\Admin\AppData\Local\15bb3073-8e08-414c-ae60-90cbf8fe2ee0\build2.exe
            "C:\Users\Admin\AppData\Local\15bb3073-8e08-414c-ae60-90cbf8fe2ee0\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:3828
            • C:\Users\Admin\AppData\Local\15bb3073-8e08-414c-ae60-90cbf8fe2ee0\build2.exe
              "C:\Users\Admin\AppData\Local\15bb3073-8e08-414c-ae60-90cbf8fe2ee0\build2.exe"
              6⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:4104
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\15bb3073-8e08-414c-ae60-90cbf8fe2ee0\build2.exe" & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:464
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  8⤵
                  • Delays execution with timeout.exe
                  PID:3668
          • C:\Users\Admin\AppData\Local\15bb3073-8e08-414c-ae60-90cbf8fe2ee0\build3.exe
            "C:\Users\Admin\AppData\Local\15bb3073-8e08-414c-ae60-90cbf8fe2ee0\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:4840
            • 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:760
  • 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:568
    • 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:2448

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

    72cce08db064d193dd1c8db96e30a0e7

    SHA1

    a76ef6bbfb2cadde26e7d713e9a71a8818d68991

    SHA256

    e904584bfbd2b92b1b9063f660abbe337c58e623ca78df5107f036d272d66c38

    SHA512

    e1d719a6a5d446c2b3348930cfcea61f85cff76adc38948dfb144aa7f95eac5453d7787706bca70ce75de931724cff7e6e146f9b662e34eb36d948995fbca1f4

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

    Filesize

    1KB

    MD5

    64f0d4d6d9cc00bf4f809cd784078196

    SHA1

    0526f2645201510649d253f2d07194de430cab0d

    SHA256

    8b379783bfca35e7cb6828accb1dc18fc022dc8b4159ced8534b95943bf41457

    SHA512

    773f2b5f876f56237ef7ed2f5c7a558c3b46514b23a1ddf7028c4a796745c78738cff869016e6d616fec7df66a0d54e9e3f1c6bcaa8888b5b68d30cdb91fda17

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

    Filesize

    488B

    MD5

    ffae857a00e1013c19fec2e53447f266

    SHA1

    55307f275cee84c506088d81ce875a7df699bec9

    SHA256

    eeca6d6970d32b28a10894ad785a0a334286c76fe2043c946972f5d369138aae

    SHA512

    7b3deb18a7217b00876f2770a3c688e1a23434307e991ecb9c2b0fe48fe994ba88d64e453ff1aad8a399cc9cb7abef071092fc886baa67fb33ed02403ccc0341

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

    Filesize

    482B

    MD5

    83be2d4072a3a5b6866688b5fe5eaa67

    SHA1

    d65bc6f3d9961bbee79e25caa0575f78b5c74a48

    SHA256

    bdfca2864e4a52543131b16c95686474f7c7f230064db3d7d2528479768b79cb

    SHA512

    05fb0fcfd95cc087c5abb62db42eb397ab1edce98c4f4c79e62bf469a9680da441c4e426153188c9977bbaf4ec39995d6e0780351625e4cac07bf565cb8ddfe4

  • C:\Users\Admin\AppData\Local\15bb3073-8e08-414c-ae60-90cbf8fe2ee0\build2.exe

    Filesize

    437KB

    MD5

    04197441a29753c237bc0c285082c0d8

    SHA1

    463462810a45452d6e91364ae7858263437648dd

    SHA256

    692fe3aca06ef0e1582fcf692dfd0e2e38e1b542368848318e0095a8f85f3d77

    SHA512

    91456197c3d88bcf52ce557690751fe9d7b5b90c92313e00a11c7af75bdddf92623b26f7fa70c72df6083221010556052d366dcc45d091e46d8dfda585297a05

  • C:\Users\Admin\AppData\Local\15bb3073-8e08-414c-ae60-90cbf8fe2ee0\build2.exe

    Filesize

    437KB

    MD5

    04197441a29753c237bc0c285082c0d8

    SHA1

    463462810a45452d6e91364ae7858263437648dd

    SHA256

    692fe3aca06ef0e1582fcf692dfd0e2e38e1b542368848318e0095a8f85f3d77

    SHA512

    91456197c3d88bcf52ce557690751fe9d7b5b90c92313e00a11c7af75bdddf92623b26f7fa70c72df6083221010556052d366dcc45d091e46d8dfda585297a05

  • C:\Users\Admin\AppData\Local\15bb3073-8e08-414c-ae60-90cbf8fe2ee0\build2.exe

    Filesize

    437KB

    MD5

    04197441a29753c237bc0c285082c0d8

    SHA1

    463462810a45452d6e91364ae7858263437648dd

    SHA256

    692fe3aca06ef0e1582fcf692dfd0e2e38e1b542368848318e0095a8f85f3d77

    SHA512

    91456197c3d88bcf52ce557690751fe9d7b5b90c92313e00a11c7af75bdddf92623b26f7fa70c72df6083221010556052d366dcc45d091e46d8dfda585297a05

  • C:\Users\Admin\AppData\Local\15bb3073-8e08-414c-ae60-90cbf8fe2ee0\build2.exe

    Filesize

    437KB

    MD5

    04197441a29753c237bc0c285082c0d8

    SHA1

    463462810a45452d6e91364ae7858263437648dd

    SHA256

    692fe3aca06ef0e1582fcf692dfd0e2e38e1b542368848318e0095a8f85f3d77

    SHA512

    91456197c3d88bcf52ce557690751fe9d7b5b90c92313e00a11c7af75bdddf92623b26f7fa70c72df6083221010556052d366dcc45d091e46d8dfda585297a05

  • C:\Users\Admin\AppData\Local\15bb3073-8e08-414c-ae60-90cbf8fe2ee0\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\15bb3073-8e08-414c-ae60-90cbf8fe2ee0\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\15bb3073-8e08-414c-ae60-90cbf8fe2ee0\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\b278e89c-8ef7-497c-a91b-0882f07c1e2a\3f69a4412c5639c347884de3eb13b12b822b3c43f1708240d55befe6376fa847.exe

    Filesize

    774KB

    MD5

    c025f824c9a53cba2111ca0ac2cd65d2

    SHA1

    9526fac21bbae950c5b24acdb0660d3973529211

    SHA256

    3f69a4412c5639c347884de3eb13b12b822b3c43f1708240d55befe6376fa847

    SHA512

    56ffbe53014f8ebff42618791e7ec0e1c448133b6487fd8f892e09761665cf82599e2c014b2a857dc169c4a8ada9eb810a78c54e053828ab9d8021294f25b702

  • 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/232-159-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/232-254-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/232-165-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/232-151-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/232-166-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/232-163-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/232-204-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/232-152-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/232-157-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/448-134-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/448-135-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/448-146-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/448-147-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/448-137-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3828-184-0x0000000002320000-0x0000000002376000-memory.dmp

    Filesize

    344KB

  • memory/4104-205-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/4104-189-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4104-250-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4104-251-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4104-252-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4104-185-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4104-183-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4104-181-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4352-136-0x0000000004A80000-0x0000000004B9B000-memory.dmp

    Filesize

    1.1MB