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Analysis

  • max time kernel
    298s
  • max time network
    299s
  • platform
    windows10-1703_x64
  • resource
    win10-20230831-en
  • resource tags

    arch:x64arch:x86image:win10-20230831-enlocale:en-usos:windows10-1703-x64system
  • submitted
    01/10/2023, 22:20

General

  • Target

    620ea679eb3e9c96e79bcce7c43135bb1c5704c30f8fc50fa21f974d16cbdd80.exe

  • Size

    747KB

  • MD5

    63b1d653a88eade90490f278b672caa6

  • SHA1

    1744cf0723c829d9d3daaf37ad137cce48f16998

  • SHA256

    620ea679eb3e9c96e79bcce7c43135bb1c5704c30f8fc50fa21f974d16cbdd80

  • SHA512

    7a1bf57adccc417077ce7a41349e3d676e5c1222629ff1dc8a3bd67246179725a248794fe9d915bcb27c89bcb97643f78754626c226b75b3b9a097e0b25965c6

  • SSDEEP

    12288:MEQV82KPEYd5Wr/RLwqbfQpIh/xfsZV6henHYbZod+Iqcss95DUhHz1xO:MEQV8sxr/tzP9RsZV1nHYO5sg4Bz7O

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .mzop

  • offline_id

    64GZgS7xxeK837qu1w0KPUK0sweaDoAeJlv15vt1

  • 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-sxZWJ43EKx 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: 0796JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

5.8

Botnet

be957cbbdc7ee5ad3ee6c696b5eb3079

C2

https://steamcommunity.com/profiles/76561199555780195

https://t.me/solonichat

Attributes
  • profile_id_v2

    be957cbbdc7ee5ad3ee6c696b5eb3079

  • user_agent

    Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.0.0 Safari/537.36

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
  • 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\620ea679eb3e9c96e79bcce7c43135bb1c5704c30f8fc50fa21f974d16cbdd80.exe
    "C:\Users\Admin\AppData\Local\Temp\620ea679eb3e9c96e79bcce7c43135bb1c5704c30f8fc50fa21f974d16cbdd80.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4220
    • C:\Users\Admin\AppData\Local\Temp\620ea679eb3e9c96e79bcce7c43135bb1c5704c30f8fc50fa21f974d16cbdd80.exe
      "C:\Users\Admin\AppData\Local\Temp\620ea679eb3e9c96e79bcce7c43135bb1c5704c30f8fc50fa21f974d16cbdd80.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4440
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\41717f0d-2c0f-4871-a76f-301a05bb3170" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:4344
      • C:\Users\Admin\AppData\Local\Temp\620ea679eb3e9c96e79bcce7c43135bb1c5704c30f8fc50fa21f974d16cbdd80.exe
        "C:\Users\Admin\AppData\Local\Temp\620ea679eb3e9c96e79bcce7c43135bb1c5704c30f8fc50fa21f974d16cbdd80.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2440
        • C:\Users\Admin\AppData\Local\Temp\620ea679eb3e9c96e79bcce7c43135bb1c5704c30f8fc50fa21f974d16cbdd80.exe
          "C:\Users\Admin\AppData\Local\Temp\620ea679eb3e9c96e79bcce7c43135bb1c5704c30f8fc50fa21f974d16cbdd80.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2144
          • C:\Users\Admin\AppData\Local\aa502e95-246c-4e99-a2ff-7747e2f597d0\build2.exe
            "C:\Users\Admin\AppData\Local\aa502e95-246c-4e99-a2ff-7747e2f597d0\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:1000
            • C:\Users\Admin\AppData\Local\aa502e95-246c-4e99-a2ff-7747e2f597d0\build2.exe
              "C:\Users\Admin\AppData\Local\aa502e95-246c-4e99-a2ff-7747e2f597d0\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:2908
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\aa502e95-246c-4e99-a2ff-7747e2f597d0\build2.exe" & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:2284
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  8⤵
                  • Delays execution with timeout.exe
                  PID:1712
          • C:\Users\Admin\AppData\Local\aa502e95-246c-4e99-a2ff-7747e2f597d0\build3.exe
            "C:\Users\Admin\AppData\Local\aa502e95-246c-4e99-a2ff-7747e2f597d0\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:4692
            • 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:4656
  • 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:204
    • 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:1232

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    2KB

    MD5

    47971d246e035ee38bfd1d9854fc1129

    SHA1

    22998ff479318065fd6e121ec181592d9f0c824e

    SHA256

    e926bac76af599422c9f0c9e0a82af8d4a79bcef45effdbef73e5811f64007f8

    SHA512

    7215ee471c23777b34270ef6a08639e331e1e7efd5ebebe3b76e0eb5e37401cdf1befbcf47349f2b2a966b731cea973a87c7ac16692907f71a8330501da8f81c

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

    Filesize

    1KB

    MD5

    04adf49f7cb2a9971d067ad6f54f0a0d

    SHA1

    acf73f786d08010c50893b903820b245a49b4314

    SHA256

    5d27f8ef9d7d4c32007ca92faf963e41cf4ef8a8678f9a35925391a29c48426d

    SHA512

    e070d9257806919f0b0f48c77777b1946442185a8c9c54cd645262c9a43dcc553b6b084b153efa5f473876e91f88359afcedb0febaff84cdd6736ecdc828679b

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

    Filesize

    488B

    MD5

    2280985755d9065ab089d20f564403a9

    SHA1

    8d85fd32b511098be4fee1a9ce30660dd7d17c0e

    SHA256

    472f7fb5b2dc539fa80214d71f3d5c116a21a6b1622708989106f61fd54b86ed

    SHA512

    722c730910bb10b69b6b0ac41434e9c66f34c00628fe5f182f4da1ec4826c2382c471a8df8665ace5e230e63ebd68fed669f5e390a8d56db9709f37f0803fc06

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

    Filesize

    482B

    MD5

    352af6b89ecb735900e6cc47d929e505

    SHA1

    db460dfe1925b8fa3bfdd95f5d1a91c161c53619

    SHA256

    41d6c6a07b6f31dac2a107229900a1a267900b191c500d55b087951312415bfe

    SHA512

    e8265b5bf3be47044e7d4d06a0ad889fc807ffabb3c8c304b8f3fc94daa72e537357282bcd2ede4cb5fb950322e163ab47db2eb09dbdae9ab76861b6ad6cae41

  • C:\Users\Admin\AppData\Local\41717f0d-2c0f-4871-a76f-301a05bb3170\620ea679eb3e9c96e79bcce7c43135bb1c5704c30f8fc50fa21f974d16cbdd80.exe

    Filesize

    747KB

    MD5

    63b1d653a88eade90490f278b672caa6

    SHA1

    1744cf0723c829d9d3daaf37ad137cce48f16998

    SHA256

    620ea679eb3e9c96e79bcce7c43135bb1c5704c30f8fc50fa21f974d16cbdd80

    SHA512

    7a1bf57adccc417077ce7a41349e3d676e5c1222629ff1dc8a3bd67246179725a248794fe9d915bcb27c89bcb97643f78754626c226b75b3b9a097e0b25965c6

  • C:\Users\Admin\AppData\Local\aa502e95-246c-4e99-a2ff-7747e2f597d0\build2.exe

    Filesize

    418KB

    MD5

    dcd1bd0f92fe24bf269f0e3ace8de280

    SHA1

    73c06bb4010b87a83e07bcaf3d181e68d24da11f

    SHA256

    fc0757507960b91ab61afe79de7e316fabde48f983a8a497a709c19c99012456

    SHA512

    2846a18a6687b26a4ec7267b16f139a10c1ace288f5bc893a5e600f07dc9714517f2610f33518afda41707a31a68cf0cbcd4b838568bba6f1833edc7300d6ceb

  • C:\Users\Admin\AppData\Local\aa502e95-246c-4e99-a2ff-7747e2f597d0\build2.exe

    Filesize

    418KB

    MD5

    dcd1bd0f92fe24bf269f0e3ace8de280

    SHA1

    73c06bb4010b87a83e07bcaf3d181e68d24da11f

    SHA256

    fc0757507960b91ab61afe79de7e316fabde48f983a8a497a709c19c99012456

    SHA512

    2846a18a6687b26a4ec7267b16f139a10c1ace288f5bc893a5e600f07dc9714517f2610f33518afda41707a31a68cf0cbcd4b838568bba6f1833edc7300d6ceb

  • C:\Users\Admin\AppData\Local\aa502e95-246c-4e99-a2ff-7747e2f597d0\build2.exe

    Filesize

    418KB

    MD5

    dcd1bd0f92fe24bf269f0e3ace8de280

    SHA1

    73c06bb4010b87a83e07bcaf3d181e68d24da11f

    SHA256

    fc0757507960b91ab61afe79de7e316fabde48f983a8a497a709c19c99012456

    SHA512

    2846a18a6687b26a4ec7267b16f139a10c1ace288f5bc893a5e600f07dc9714517f2610f33518afda41707a31a68cf0cbcd4b838568bba6f1833edc7300d6ceb

  • C:\Users\Admin\AppData\Local\aa502e95-246c-4e99-a2ff-7747e2f597d0\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\aa502e95-246c-4e99-a2ff-7747e2f597d0\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/1000-46-0x0000000002820000-0x0000000002920000-memory.dmp

    Filesize

    1024KB

  • memory/1000-47-0x00000000041C0000-0x0000000004211000-memory.dmp

    Filesize

    324KB

  • memory/2144-22-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2144-29-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2144-33-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2144-35-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2144-36-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2144-37-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2144-28-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2144-23-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2144-61-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2144-21-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2440-19-0x0000000002000000-0x0000000002092000-memory.dmp

    Filesize

    584KB

  • memory/2908-110-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/2908-109-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/2908-48-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/2908-52-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/2908-111-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/2908-51-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/2908-72-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/2908-50-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/4220-1-0x0000000002180000-0x000000000229B000-memory.dmp

    Filesize

    1.1MB

  • memory/4220-4-0x00000000020E0000-0x0000000002172000-memory.dmp

    Filesize

    584KB

  • memory/4220-0-0x00000000020E0000-0x0000000002172000-memory.dmp

    Filesize

    584KB

  • memory/4440-17-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4440-3-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4440-6-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4440-2-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4440-5-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB