Analysis

  • max time kernel
    57s
  • max time network
    146s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    14/11/2022, 01:23

General

  • Target

    226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe

  • Size

    672KB

  • MD5

    30766f1f5806db2e5f21a715ecd77741

  • SHA1

    7a8f1bc56fd3f288fbb88f4d9d1726fdfb87ebcc

  • SHA256

    226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f

  • SHA512

    8bde448eb6cf1d2491b2314694df229aa29ccb18732f64a46077c39a5c61bfbc5b15f042d5cad21c2a722d936ee9ff9786c887d759d44c136eeab105322bdaef

  • SSDEEP

    12288:3AJayP6wRLh8Al0mxhsp99sjWQHqe8Z+SjYZRFsZsKmAN7xk:tyP1R98c0mvKfsjTKe8Zx0Z4sJAN7xk

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .fatp

  • offline_id

    5IRhyFuF3rXlXBvF6jAWjHEAnAb432icDCcvZyt1

  • payload_url

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

    http://fresherlights.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-4wOUlYSwGo 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: 0601Jhyjd

rsa_pubkey.plain

Extracted

Family

vidar

Version

55.6

Botnet

517

C2

https://t.me/seclab_new

https://mas.to/@ofadex

Attributes
  • profile_id

    517

Signatures

  • Detected Djvu ransomware 9 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 2 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.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe
    "C:\Users\Admin\AppData\Local\Temp\226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4940
    • C:\Users\Admin\AppData\Local\Temp\226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe
      "C:\Users\Admin\AppData\Local\Temp\226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5060
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\83ec7b1b-8fcb-4323-bf20-eeeccbeee6dc" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:428
      • C:\Users\Admin\AppData\Local\Temp\226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe
        "C:\Users\Admin\AppData\Local\Temp\226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3772
        • C:\Users\Admin\AppData\Local\Temp\226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe
          "C:\Users\Admin\AppData\Local\Temp\226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3168
          • C:\Users\Admin\AppData\Local\0082668a-df27-4ca9-bea6-4f9d136ac9d6\build2.exe
            "C:\Users\Admin\AppData\Local\0082668a-df27-4ca9-bea6-4f9d136ac9d6\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:1268
            • C:\Users\Admin\AppData\Local\0082668a-df27-4ca9-bea6-4f9d136ac9d6\build2.exe
              "C:\Users\Admin\AppData\Local\0082668a-df27-4ca9-bea6-4f9d136ac9d6\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:816
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\0082668a-df27-4ca9-bea6-4f9d136ac9d6\build2.exe" & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:4668
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  8⤵
                  • Delays execution with timeout.exe
                  PID:4120

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    2KB

    MD5

    b00f59ce59a95f5fe629aff007e982fa

    SHA1

    8eb54eb49c540b80dba22e0a863f8122b48df410

    SHA256

    d3559d4f89073b9bd7764d42e0fd258f78d98b5344af368056696f5fb6a87c46

    SHA512

    6317a36087f2166e5a77a5761d7ad662c76b2989840af4e89e8a93845c8c7f47e6a26341be77db39ca687aacb5e50ad3730a5ee4b6d76669637b676a31b0efb3

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

    Filesize

    1KB

    MD5

    8245d5e076774cc6f63bf77f4650bf3b

    SHA1

    2efdf2d5967e180eb13f9633094b617e4e1a8656

    SHA256

    b4247c5d4cedfc5c553005c58ea254e62b12ced6a28a183fcc3823e4d1cfbc53

    SHA512

    a2eb33bdb4f996bb67508b8add8f042bf26223f427caefa1ef1388cdecd6f15eecbc197d88a59e64f1a0f7e8a14983ab96bbe6463f2cadf39e6637679f34ad54

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

    Filesize

    488B

    MD5

    1b3936fe8895b7911e33095910fc414a

    SHA1

    c530dc260f4bffd224b1d18116b5611c6afdbf16

    SHA256

    2281f3aad45c68f6c98cd188db1d049a5e13bc5d090e88fc9f187f647f48d427

    SHA512

    1fa34d850c842f7ef865d9528e64de948d780d6863b51107e9987f9cda6067ad4ebf3664d0fb57b0353f8288f51574fb7ad779df9e47da894d82550bf07e334d

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

    Filesize

    482B

    MD5

    34b0b3fef6d7fe5131bbf05c0e6f689c

    SHA1

    c4af849d7d340b5e13cd3499e5e7f6e7c9af000f

    SHA256

    8e6b445fc9b43d8aabf1e1661f00397288c9aa49177d2b6f9bf1bdff0f412b5d

    SHA512

    bf0abc1cc3b60e281514baaa03594871e1fc443e718baf10eb13f692ba36ca91b97e5993fd4ae5c8342d8cd8fcda6bb0ea456794a820fd9a89025505efc7d948

  • C:\Users\Admin\AppData\Local\0082668a-df27-4ca9-bea6-4f9d136ac9d6\build2.exe

    Filesize

    301KB

    MD5

    9964dec7f63403963374ebae4ba27e44

    SHA1

    51c8d242bbbc34b9d0135bcdaa53b5e78449b73d

    SHA256

    0b98114cfbe3e32c681ebb5a4a867391da2d235b771227af97f46825b95de3f2

    SHA512

    41cc95c052b85997c47cceaa0665788607b577005e93ae08b48b54d10a3ead190f56219238d3579e45ce18601220474f8e860ad8efb1d22c475070d79c202937

  • C:\Users\Admin\AppData\Local\0082668a-df27-4ca9-bea6-4f9d136ac9d6\build2.exe

    Filesize

    301KB

    MD5

    9964dec7f63403963374ebae4ba27e44

    SHA1

    51c8d242bbbc34b9d0135bcdaa53b5e78449b73d

    SHA256

    0b98114cfbe3e32c681ebb5a4a867391da2d235b771227af97f46825b95de3f2

    SHA512

    41cc95c052b85997c47cceaa0665788607b577005e93ae08b48b54d10a3ead190f56219238d3579e45ce18601220474f8e860ad8efb1d22c475070d79c202937

  • C:\Users\Admin\AppData\Local\0082668a-df27-4ca9-bea6-4f9d136ac9d6\build2.exe

    Filesize

    301KB

    MD5

    9964dec7f63403963374ebae4ba27e44

    SHA1

    51c8d242bbbc34b9d0135bcdaa53b5e78449b73d

    SHA256

    0b98114cfbe3e32c681ebb5a4a867391da2d235b771227af97f46825b95de3f2

    SHA512

    41cc95c052b85997c47cceaa0665788607b577005e93ae08b48b54d10a3ead190f56219238d3579e45ce18601220474f8e860ad8efb1d22c475070d79c202937

  • C:\Users\Admin\AppData\Local\83ec7b1b-8fcb-4323-bf20-eeeccbeee6dc\226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe

    Filesize

    672KB

    MD5

    30766f1f5806db2e5f21a715ecd77741

    SHA1

    7a8f1bc56fd3f288fbb88f4d9d1726fdfb87ebcc

    SHA256

    226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f

    SHA512

    8bde448eb6cf1d2491b2314694df229aa29ccb18732f64a46077c39a5c61bfbc5b15f042d5cad21c2a722d936ee9ff9786c887d759d44c136eeab105322bdaef

  • \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/816-427-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/816-500-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/1268-390-0x00000000021A0000-0x00000000021EC000-memory.dmp

    Filesize

    304KB

  • memory/3168-528-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3168-326-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4940-123-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/4940-130-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/4940-136-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/4940-137-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/4940-139-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/4940-138-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/4940-140-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/4940-141-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/4940-142-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/4940-143-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/4940-145-0x00000000023F0000-0x000000000250B000-memory.dmp

    Filesize

    1.1MB

  • memory/4940-144-0x0000000002350000-0x00000000023E6000-memory.dmp

    Filesize

    600KB

  • memory/4940-134-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/4940-133-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/4940-132-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/4940-135-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/4940-129-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/4940-128-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/4940-127-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/4940-126-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/4940-125-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/4940-124-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/4940-122-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/4940-121-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/4940-120-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/4940-119-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/4940-118-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/4940-117-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/4940-116-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-156-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-164-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-165-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-166-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-167-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-168-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-169-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-170-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-171-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-172-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-173-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-174-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-175-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-176-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-177-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-178-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-179-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-180-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-181-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-182-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-183-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-163-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-162-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-161-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-160-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-159-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-158-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-157-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-155-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-154-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-153-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/5060-152-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-151-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-150-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-149-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-148-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/5060-146-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/5060-214-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/5060-246-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB