Analysis

  • max time kernel
    143s
  • max time network
    125s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    02-03-2023 13:31

General

  • Target

    1dd539b26f7f2170bc99e8779b6446ddd9156d6382923e602625fb3fb71312bd.exe

  • Size

    785KB

  • MD5

    c75362fd90efbd9f8cf6c1895b09e45b

  • SHA1

    9688214c0d0144200a7d7e66831d3e3b455b9ada

  • SHA256

    1dd539b26f7f2170bc99e8779b6446ddd9156d6382923e602625fb3fb71312bd

  • SHA512

    1c62dee97bb699c7d865efd45fc16b1c4bd915961e4e22cc18fb074e430e503788fd5bd114202b7da44ddbcf15e32f8aed531332598090513319a1219f893383

  • SSDEEP

    12288:Ls4BCGwpdu/pbOOz6tdpyec4Xb+WMLJnOSZkVawQatLyBPhvr4:PCGwGhKq8P1TMLJNZkVaKAfj4

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .goaq

  • offline_id

    zMrgM3QgNJsLARd9vs9a31qnKMjRqxjLT6s9OQt1

  • payload_url

    http://uaery.top/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-rayImYlyWe 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: 0656Usjf

rsa_pubkey.plain

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
  • 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.

  • 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\1dd539b26f7f2170bc99e8779b6446ddd9156d6382923e602625fb3fb71312bd.exe
    "C:\Users\Admin\AppData\Local\Temp\1dd539b26f7f2170bc99e8779b6446ddd9156d6382923e602625fb3fb71312bd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2272
    • C:\Users\Admin\AppData\Local\Temp\1dd539b26f7f2170bc99e8779b6446ddd9156d6382923e602625fb3fb71312bd.exe
      "C:\Users\Admin\AppData\Local\Temp\1dd539b26f7f2170bc99e8779b6446ddd9156d6382923e602625fb3fb71312bd.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2396
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\042abe82-10eb-437c-ba3d-ba6eaf0a18af" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:3980
      • C:\Users\Admin\AppData\Local\Temp\1dd539b26f7f2170bc99e8779b6446ddd9156d6382923e602625fb3fb71312bd.exe
        "C:\Users\Admin\AppData\Local\Temp\1dd539b26f7f2170bc99e8779b6446ddd9156d6382923e602625fb3fb71312bd.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3964
        • C:\Users\Admin\AppData\Local\Temp\1dd539b26f7f2170bc99e8779b6446ddd9156d6382923e602625fb3fb71312bd.exe
          "C:\Users\Admin\AppData\Local\Temp\1dd539b26f7f2170bc99e8779b6446ddd9156d6382923e602625fb3fb71312bd.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1840
          • C:\Users\Admin\AppData\Local\5ca4689e-df87-4c34-9330-d843a48e230e\build2.exe
            "C:\Users\Admin\AppData\Local\5ca4689e-df87-4c34-9330-d843a48e230e\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:3756
            • C:\Users\Admin\AppData\Local\5ca4689e-df87-4c34-9330-d843a48e230e\build2.exe
              "C:\Users\Admin\AppData\Local\5ca4689e-df87-4c34-9330-d843a48e230e\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:1424
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\5ca4689e-df87-4c34-9330-d843a48e230e\build2.exe" & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:5068
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  8⤵
                  • Delays execution with timeout.exe
                  PID:4248
          • C:\Users\Admin\AppData\Local\5ca4689e-df87-4c34-9330-d843a48e230e\build3.exe
            "C:\Users\Admin\AppData\Local\5ca4689e-df87-4c34-9330-d843a48e230e\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:4984
            • 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:804
  • 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:5036
    • 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:4160

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    2KB

    MD5

    1ab8f472908201c1a7c7a80437531e83

    SHA1

    7858ff1080ec17225889b3cf091538d5e321b019

    SHA256

    e7a28ebe7c115c6323389d3817e65fa7ff618e96bb785bdb5307f0459f7c7100

    SHA512

    730a0a7c511eec2f98ff18e8214a8c8099eeadc9b69e5aa1dd29dd22e6351a9ebc703d92f7185a6c3c453ad2ebd822787c5e9576ac92b2db36f802fe29a2fe7a

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

    Filesize

    1KB

    MD5

    ffe4ef7ceab13fb12cead492bc0f3aaa

    SHA1

    f2c4fe7ac0a83ef08b18a5a2e33b28fafbc65d38

    SHA256

    4ce14fd642beceac1c2e9dab59e6dff95b608afdb541863ae8f6d574dab5a089

    SHA512

    9abb9d7240358a82b756b0a704dd36fe4d57650a8f4ce0d554b4dbce8273377a4e33ef94977b07ca3baa58d3b06066145cb8cc011af5bac2d10b6f2764b4fd09

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

    Filesize

    488B

    MD5

    737ca7317f7d985574bcda50540212a4

    SHA1

    7014315dbc42d59f927ad1c361286474312808fb

    SHA256

    9234c94af9792f4c7251046b44932b6417a5a29ee88af8f104a8904a2581faf0

    SHA512

    b2e93d6698fe95f5878bd4c13c7fb526d7f3b19c47b1f62d30056239dc1221e7589c128ef3f6dcb8647682d32a76aec9973870b26c4fd803ee36fb0e631636cc

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

    Filesize

    482B

    MD5

    0b07a69ffdd5c143a01ecb1a633432e5

    SHA1

    19ecfc3c8c83cf2ae28e3a0b1392108d627aeadc

    SHA256

    68090ab8f846fbf9f01fbfb5b56a0701b463816d9ecb2155b7d4fcf05bd2d1a8

    SHA512

    48174bac65e2c33ab32ce8a7dd363eb77580a4d44a5049adb24fd0a15bcedbc95a0780fbdee392530a1b566418f06f2f87f2ff55f32292c4a3a2621753a42138

  • C:\Users\Admin\AppData\Local\042abe82-10eb-437c-ba3d-ba6eaf0a18af\1dd539b26f7f2170bc99e8779b6446ddd9156d6382923e602625fb3fb71312bd.exe

    Filesize

    785KB

    MD5

    c75362fd90efbd9f8cf6c1895b09e45b

    SHA1

    9688214c0d0144200a7d7e66831d3e3b455b9ada

    SHA256

    1dd539b26f7f2170bc99e8779b6446ddd9156d6382923e602625fb3fb71312bd

    SHA512

    1c62dee97bb699c7d865efd45fc16b1c4bd915961e4e22cc18fb074e430e503788fd5bd114202b7da44ddbcf15e32f8aed531332598090513319a1219f893383

  • C:\Users\Admin\AppData\Local\5ca4689e-df87-4c34-9330-d843a48e230e\build2.exe

    Filesize

    394KB

    MD5

    04ca884d1642ba6051f501ca5c66375a

    SHA1

    ca1f3a4503b3f9c9e765fd9a23e3513a13030a94

    SHA256

    8b08628b3b7ad95bef5be23120ed741dcfca5d30f0d2dfdf83166b94c56f15d1

    SHA512

    cb046de26c7fe1f4dcb34c1683415fd83fe18777dc8b88d534a6a09f262e2ea1d2ae7187e0d91d4f9a4f8d7a94e7a7740335de274f85e36d978bc7947f4e97c3

  • C:\Users\Admin\AppData\Local\5ca4689e-df87-4c34-9330-d843a48e230e\build2.exe

    Filesize

    394KB

    MD5

    04ca884d1642ba6051f501ca5c66375a

    SHA1

    ca1f3a4503b3f9c9e765fd9a23e3513a13030a94

    SHA256

    8b08628b3b7ad95bef5be23120ed741dcfca5d30f0d2dfdf83166b94c56f15d1

    SHA512

    cb046de26c7fe1f4dcb34c1683415fd83fe18777dc8b88d534a6a09f262e2ea1d2ae7187e0d91d4f9a4f8d7a94e7a7740335de274f85e36d978bc7947f4e97c3

  • C:\Users\Admin\AppData\Local\5ca4689e-df87-4c34-9330-d843a48e230e\build2.exe

    Filesize

    394KB

    MD5

    04ca884d1642ba6051f501ca5c66375a

    SHA1

    ca1f3a4503b3f9c9e765fd9a23e3513a13030a94

    SHA256

    8b08628b3b7ad95bef5be23120ed741dcfca5d30f0d2dfdf83166b94c56f15d1

    SHA512

    cb046de26c7fe1f4dcb34c1683415fd83fe18777dc8b88d534a6a09f262e2ea1d2ae7187e0d91d4f9a4f8d7a94e7a7740335de274f85e36d978bc7947f4e97c3

  • C:\Users\Admin\AppData\Local\5ca4689e-df87-4c34-9330-d843a48e230e\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\5ca4689e-df87-4c34-9330-d843a48e230e\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

  • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • \ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • memory/1424-170-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1424-191-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/1424-236-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1424-247-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1424-248-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1424-171-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1424-166-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1424-249-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1424-168-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1840-153-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1840-155-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1840-142-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1840-148-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1840-160-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1840-188-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1840-156-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1840-149-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1840-141-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2272-124-0x0000000004AD0000-0x0000000004BEB000-memory.dmp

    Filesize

    1.1MB

  • memory/2396-123-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2396-125-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2396-135-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2396-137-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2396-122-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3756-169-0x0000000002C60000-0x0000000002CBD000-memory.dmp

    Filesize

    372KB