Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/07/2023, 07:46

General

  • Target

    c5243d753e69d2287547089972532d19674371fb8084ba7a8fc25a20fa7bcfe4.exe

  • Size

    852KB

  • MD5

    d94db1f722e69107e566660571b65b97

  • SHA1

    8d14973c05990ee7a891d04569fcb704288e3337

  • SHA256

    c5243d753e69d2287547089972532d19674371fb8084ba7a8fc25a20fa7bcfe4

  • SHA512

    fa84b479a17dbee5c53bf9a3e7564b369f7f967c76c036e5be2c4f29b4872bf83aaf4d48b2adffaab6c215a0cb667256822c13742980c2beb126236897ac63fc

  • SSDEEP

    12288:Cqd/ck6dcLpgo6sfJp3tWSEUZWKSWNfQkU8yYOilaqer0QcsMCPYPjmz:n76KLL6sfNWnUAKSW1U8JDUUQcJjmz

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .wsaz

  • offline_id

    7X6susBgNzwvmNWz9bMuyhXEUD44D10UNodg0Zt1

  • 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-ujg4QBiBRu 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: 0750Osie

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 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 10 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c5243d753e69d2287547089972532d19674371fb8084ba7a8fc25a20fa7bcfe4.exe
    "C:\Users\Admin\AppData\Local\Temp\c5243d753e69d2287547089972532d19674371fb8084ba7a8fc25a20fa7bcfe4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3136
    • C:\Users\Admin\AppData\Local\Temp\c5243d753e69d2287547089972532d19674371fb8084ba7a8fc25a20fa7bcfe4.exe
      "C:\Users\Admin\AppData\Local\Temp\c5243d753e69d2287547089972532d19674371fb8084ba7a8fc25a20fa7bcfe4.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3092
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\837a8817-031e-4270-b824-ed9b6b2c9b35" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:1840
      • C:\Users\Admin\AppData\Local\Temp\c5243d753e69d2287547089972532d19674371fb8084ba7a8fc25a20fa7bcfe4.exe
        "C:\Users\Admin\AppData\Local\Temp\c5243d753e69d2287547089972532d19674371fb8084ba7a8fc25a20fa7bcfe4.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2172
        • C:\Users\Admin\AppData\Local\Temp\c5243d753e69d2287547089972532d19674371fb8084ba7a8fc25a20fa7bcfe4.exe
          "C:\Users\Admin\AppData\Local\Temp\c5243d753e69d2287547089972532d19674371fb8084ba7a8fc25a20fa7bcfe4.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3476
          • C:\Users\Admin\AppData\Local\5b24b5d9-4479-44c4-a88b-53569c98ebc2\build2.exe
            "C:\Users\Admin\AppData\Local\5b24b5d9-4479-44c4-a88b-53569c98ebc2\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:684
            • C:\Users\Admin\AppData\Local\5b24b5d9-4479-44c4-a88b-53569c98ebc2\build2.exe
              "C:\Users\Admin\AppData\Local\5b24b5d9-4479-44c4-a88b-53569c98ebc2\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:764
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\5b24b5d9-4479-44c4-a88b-53569c98ebc2\build2.exe" & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:3744
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  8⤵
                  • Delays execution with timeout.exe
                  PID:4720
          • C:\Users\Admin\AppData\Local\5b24b5d9-4479-44c4-a88b-53569c98ebc2\build3.exe
            "C:\Users\Admin\AppData\Local\5b24b5d9-4479-44c4-a88b-53569c98ebc2\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:232
  • 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"
    1⤵
    • Creates scheduled task(s)
    PID:224
  • 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:1544
    • 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:1748

Network

MITRE ATT&CK Enterprise v15

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

    debbf14f3483068c85dbb41089275387

    SHA1

    53c67f0496489a8bf83e645035b9e030fe22f052

    SHA256

    d62934313eec30d6276854f81ed0ad0fa455c13032f23c49dc5e931e53aa24fd

    SHA512

    ef0f3231d777612c12fa32f6d9fd8c24f3147ab0d44e660ceb86d6cd43120be1396ae351d14305ad41d10799cb1fba9ae7626e6970ec840f4e30b4934a49971d

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

    Filesize

    1KB

    MD5

    9f4dbb9c92a85c4ef5093a2df64ac230

    SHA1

    83acdef3b775ddcea8a50a04e8f1e8afaa6e0d22

    SHA256

    f29be229662b3201af3c58d4fcccb93da75f9cc44a2b7c2e3086302bb2bc1425

    SHA512

    25a85055583e7d008a25add9d4976e8255b01e2dce1a90b75c63c8eff8ee56a94ef35852210cbec1298fc905325d295c73a78f9a8e85ffdfc98d8a2b0896150b

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

    Filesize

    488B

    MD5

    46684569a125f995184c386dcf54de4f

    SHA1

    9bd4b018ffaa016dc1b9595015ecd25ef38f8676

    SHA256

    e2db713f857161b5ad92d08104dc434d736958cf52a720d04cfcdac7668aa239

    SHA512

    0f30d7a05376aed02ddbf946a3bae99bbf8242392e7d37089aa0ad69507350a22466e3daf55722369314a8356e3acf64b8b3905f81eb4e687318d61d08b573d5

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

    Filesize

    482B

    MD5

    c3424c757f341935b3bc170ff551855e

    SHA1

    a5083537bdf26ca5c05515fdd8487e5db260fcb4

    SHA256

    30c797bd840be23fa69bc0684736e35966844740520c08689670ec3e33df77ce

    SHA512

    7ace76219f117ba741afa0e34f6c5b4bec0a39779a88992c5b5092f2974d547e1aee576e58e9aa2262e4d06b57064f8df9a122265b72e7bc28381d4b3ee38694

  • C:\Users\Admin\AppData\Local\5b24b5d9-4479-44c4-a88b-53569c98ebc2\build2.exe

    Filesize

    402KB

    MD5

    79ee3f218e6a4a67e44020c5cdd19330

    SHA1

    0c1115343c1ecc0491f0b49e0ee62c0dd2977494

    SHA256

    726855dc870ed0224d91891b898e542393149b0eaef7817aa332b71c13b22ae0

    SHA512

    eea28a2c76938d71f2538b0423cc7ec9aaacaa5445541606824d2a16d4711f6e3ece1076da4674413094844c077bd88c4e1eff2017a10623fc9fbb1161c905bf

  • C:\Users\Admin\AppData\Local\5b24b5d9-4479-44c4-a88b-53569c98ebc2\build2.exe

    Filesize

    402KB

    MD5

    79ee3f218e6a4a67e44020c5cdd19330

    SHA1

    0c1115343c1ecc0491f0b49e0ee62c0dd2977494

    SHA256

    726855dc870ed0224d91891b898e542393149b0eaef7817aa332b71c13b22ae0

    SHA512

    eea28a2c76938d71f2538b0423cc7ec9aaacaa5445541606824d2a16d4711f6e3ece1076da4674413094844c077bd88c4e1eff2017a10623fc9fbb1161c905bf

  • C:\Users\Admin\AppData\Local\5b24b5d9-4479-44c4-a88b-53569c98ebc2\build2.exe

    Filesize

    402KB

    MD5

    79ee3f218e6a4a67e44020c5cdd19330

    SHA1

    0c1115343c1ecc0491f0b49e0ee62c0dd2977494

    SHA256

    726855dc870ed0224d91891b898e542393149b0eaef7817aa332b71c13b22ae0

    SHA512

    eea28a2c76938d71f2538b0423cc7ec9aaacaa5445541606824d2a16d4711f6e3ece1076da4674413094844c077bd88c4e1eff2017a10623fc9fbb1161c905bf

  • C:\Users\Admin\AppData\Local\5b24b5d9-4479-44c4-a88b-53569c98ebc2\build2.exe

    Filesize

    402KB

    MD5

    79ee3f218e6a4a67e44020c5cdd19330

    SHA1

    0c1115343c1ecc0491f0b49e0ee62c0dd2977494

    SHA256

    726855dc870ed0224d91891b898e542393149b0eaef7817aa332b71c13b22ae0

    SHA512

    eea28a2c76938d71f2538b0423cc7ec9aaacaa5445541606824d2a16d4711f6e3ece1076da4674413094844c077bd88c4e1eff2017a10623fc9fbb1161c905bf

  • C:\Users\Admin\AppData\Local\5b24b5d9-4479-44c4-a88b-53569c98ebc2\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\5b24b5d9-4479-44c4-a88b-53569c98ebc2\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\5b24b5d9-4479-44c4-a88b-53569c98ebc2\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\837a8817-031e-4270-b824-ed9b6b2c9b35\c5243d753e69d2287547089972532d19674371fb8084ba7a8fc25a20fa7bcfe4.exe

    Filesize

    852KB

    MD5

    d94db1f722e69107e566660571b65b97

    SHA1

    8d14973c05990ee7a891d04569fcb704288e3337

    SHA256

    c5243d753e69d2287547089972532d19674371fb8084ba7a8fc25a20fa7bcfe4

    SHA512

    fa84b479a17dbee5c53bf9a3e7564b369f7f967c76c036e5be2c4f29b4872bf83aaf4d48b2adffaab6c215a0cb667256822c13742980c2beb126236897ac63fc

  • 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/684-186-0x0000000004020000-0x00000000040E3000-memory.dmp

    Filesize

    780KB

  • memory/684-185-0x0000000002480000-0x0000000002580000-memory.dmp

    Filesize

    1024KB

  • memory/764-213-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/764-187-0x0000000000400000-0x00000000004D7000-memory.dmp

    Filesize

    860KB

  • memory/764-200-0x0000000000400000-0x00000000004D7000-memory.dmp

    Filesize

    860KB

  • memory/764-257-0x0000000000400000-0x00000000004D7000-memory.dmp

    Filesize

    860KB

  • memory/764-259-0x0000000000400000-0x00000000004D7000-memory.dmp

    Filesize

    860KB

  • memory/764-190-0x0000000000400000-0x00000000004D7000-memory.dmp

    Filesize

    860KB

  • memory/764-258-0x0000000000400000-0x00000000004D7000-memory.dmp

    Filesize

    860KB

  • memory/764-189-0x0000000000400000-0x00000000004D7000-memory.dmp

    Filesize

    860KB

  • memory/2172-151-0x0000000003F70000-0x0000000004010000-memory.dmp

    Filesize

    640KB

  • memory/3092-137-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3092-148-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3092-139-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3092-138-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3092-136-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3136-135-0x00000000043C0000-0x00000000044DB000-memory.dmp

    Filesize

    1.1MB

  • memory/3136-134-0x0000000004280000-0x000000000431D000-memory.dmp

    Filesize

    628KB

  • memory/3476-156-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3476-199-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3476-169-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3476-170-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3476-167-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3476-163-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3476-162-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3476-157-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3476-261-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3476-154-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3476-153-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB