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Analysis

  • max time kernel
    147s
  • max time network
    126s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    13/03/2023, 00:59

General

  • Target

    e9f2899c3e7ef4efc5435bab487176bf5602ab49fd88408a6036337548636ebf.exe

  • Size

    696KB

  • MD5

    c7d7c7247af4076a589483a4d743e195

  • SHA1

    825761cf76fa98c1762a18b8e57c2e1da3368f6b

  • SHA256

    e9f2899c3e7ef4efc5435bab487176bf5602ab49fd88408a6036337548636ebf

  • SHA512

    84fbdf4fac62eb7851292c7718dece578b358e8b861c941ab2eb0b136426983b803293fcc036ae3737c9ab3a9c897010a8659bc1d5e36b29d0ce2ef12aa86f50

  • SSDEEP

    12288:VVNRmeKXqO6rvVKw4J4fBkjkUZhnAKnd4/ebO4LeNfb2f22bfPgeP:VVNGKDEw9jqAKnJyt2f22T7P

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .qazx

  • offline_id

    VrBq0iLIRHjQLgVRLsN1WK8yFkTCRDCCvPkwnHt1

  • 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-zUVSNg4KRZ 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: 0662Iopd

rsa_pubkey.plain

Extracted

Family

vidar

Version

2.9

Botnet

694f12963bedb0c6040fb3c74aac71e5

C2

https://t.me/nemesisgrow

https://steamcommunity.com/profiles/76561199471222742

http://65.109.12.165:80

Attributes
  • profile_id_v2

    694f12963bedb0c6040fb3c74aac71e5

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\e9f2899c3e7ef4efc5435bab487176bf5602ab49fd88408a6036337548636ebf.exe
    "C:\Users\Admin\AppData\Local\Temp\e9f2899c3e7ef4efc5435bab487176bf5602ab49fd88408a6036337548636ebf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2132
    • C:\Users\Admin\AppData\Local\Temp\e9f2899c3e7ef4efc5435bab487176bf5602ab49fd88408a6036337548636ebf.exe
      "C:\Users\Admin\AppData\Local\Temp\e9f2899c3e7ef4efc5435bab487176bf5602ab49fd88408a6036337548636ebf.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2448
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\06b61fb6-bc94-4dd0-a97f-bb62c158e48f" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:4308
      • C:\Users\Admin\AppData\Local\Temp\e9f2899c3e7ef4efc5435bab487176bf5602ab49fd88408a6036337548636ebf.exe
        "C:\Users\Admin\AppData\Local\Temp\e9f2899c3e7ef4efc5435bab487176bf5602ab49fd88408a6036337548636ebf.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:5032
        • C:\Users\Admin\AppData\Local\Temp\e9f2899c3e7ef4efc5435bab487176bf5602ab49fd88408a6036337548636ebf.exe
          "C:\Users\Admin\AppData\Local\Temp\e9f2899c3e7ef4efc5435bab487176bf5602ab49fd88408a6036337548636ebf.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3272
          • C:\Users\Admin\AppData\Local\10a687f7-6c64-49f9-95a2-93e368625157\build2.exe
            "C:\Users\Admin\AppData\Local\10a687f7-6c64-49f9-95a2-93e368625157\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4664
            • C:\Users\Admin\AppData\Local\10a687f7-6c64-49f9-95a2-93e368625157\build2.exe
              "C:\Users\Admin\AppData\Local\10a687f7-6c64-49f9-95a2-93e368625157\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:4516
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\10a687f7-6c64-49f9-95a2-93e368625157\build2.exe" & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:4940
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  8⤵
                  • Delays execution with timeout.exe
                  PID:5012
          • C:\Users\Admin\AppData\Local\10a687f7-6c64-49f9-95a2-93e368625157\build3.exe
            "C:\Users\Admin\AppData\Local\10a687f7-6c64-49f9-95a2-93e368625157\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:3856
            • 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:1424
  • 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:2140
    • 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:3224

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

    cdb784e3dca082bb6f4b1660d9d9cd2e

    SHA1

    98ef5daefd5b108b1e09e55a116df1101812a01d

    SHA256

    73b1c84fb8239c93de2b976f62381d5ee9007439fda135a9c1c22e7bbdf5c349

    SHA512

    4b1523db65f2d23e984cc27778fb1ec79bb764a050607def3acae7928917ae2c18fd0d6efec2791e1acb3c12929454e3b6afd5e88e0982a975e78805000b4495

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

    Filesize

    1KB

    MD5

    fafb2d795af06b05e5ae489401edb786

    SHA1

    137f724049c8ce7dc1d438677f7b6fa32b275205

    SHA256

    7673bf3d6aa2a14da9c3433ac1651d907697a7c79e32987d150a757f3866b5f0

    SHA512

    38c83466ce78cb43dbfa8255432abc7b6347589b0a6dd3b00aa4d81dbd9664a3cafc2bbca9ed38bcfa0ee32ace2a8ea8c8cd5471d6896f7c4dfd6dca03089769

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

    Filesize

    488B

    MD5

    ab26c4388dc7ae4b7720db6d87d7e39a

    SHA1

    07846922e4b77747714fbfdaa5030d6ec41f95c5

    SHA256

    daa7b5c7f5ce1ed075e88b66f135edffce7646613199b46c128b4b776f5292a9

    SHA512

    d50b345b1693c76c76e3053090c6a88e687749e708816da728e4c461c4a464272a483d65b14d4ad98b2bc6cdf1e8af45423e55d3480c37dfa7dadd2d7c632077

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

    Filesize

    482B

    MD5

    4387f88d1a9b4d04245b201a09c611ea

    SHA1

    141df25db4964417dc5adf216fcaf7e018ae7137

    SHA256

    7441fc87f11ce02596ee3e6b00b37293af35bcd38b0e5d567b1d05bacb8711d6

    SHA512

    cffd4eb43946d86e0f6c1e37a21a712f79ccdb2f180584cfffd0e70e59a8fd24bea50aea5d3bb2b3a8f6c358931d208cbdf0e35100e6b1ad0ec8fcb1082e4015

  • C:\Users\Admin\AppData\Local\06b61fb6-bc94-4dd0-a97f-bb62c158e48f\e9f2899c3e7ef4efc5435bab487176bf5602ab49fd88408a6036337548636ebf.exe

    Filesize

    696KB

    MD5

    c7d7c7247af4076a589483a4d743e195

    SHA1

    825761cf76fa98c1762a18b8e57c2e1da3368f6b

    SHA256

    e9f2899c3e7ef4efc5435bab487176bf5602ab49fd88408a6036337548636ebf

    SHA512

    84fbdf4fac62eb7851292c7718dece578b358e8b861c941ab2eb0b136426983b803293fcc036ae3737c9ab3a9c897010a8659bc1d5e36b29d0ce2ef12aa86f50

  • C:\Users\Admin\AppData\Local\10a687f7-6c64-49f9-95a2-93e368625157\build2.exe

    Filesize

    382KB

    MD5

    c56b758f00562948de9cac375422074c

    SHA1

    9f98c4c403b98aea3624d905b2e1ccbe5939c908

    SHA256

    3df572ecd8ad88b1b744adc3323998b64d8303ef1a19eba3d7fd6e76aeb67532

    SHA512

    a77a22431ccfd7e565639d90b205ff7132ddfc39a1d46c8ff5de8f71265c56706230b569fb22a72dbc6bbc7c92688ebb024b167971d3b7859c8b6b01ad9084fa

  • C:\Users\Admin\AppData\Local\10a687f7-6c64-49f9-95a2-93e368625157\build2.exe

    Filesize

    382KB

    MD5

    c56b758f00562948de9cac375422074c

    SHA1

    9f98c4c403b98aea3624d905b2e1ccbe5939c908

    SHA256

    3df572ecd8ad88b1b744adc3323998b64d8303ef1a19eba3d7fd6e76aeb67532

    SHA512

    a77a22431ccfd7e565639d90b205ff7132ddfc39a1d46c8ff5de8f71265c56706230b569fb22a72dbc6bbc7c92688ebb024b167971d3b7859c8b6b01ad9084fa

  • C:\Users\Admin\AppData\Local\10a687f7-6c64-49f9-95a2-93e368625157\build2.exe

    Filesize

    382KB

    MD5

    c56b758f00562948de9cac375422074c

    SHA1

    9f98c4c403b98aea3624d905b2e1ccbe5939c908

    SHA256

    3df572ecd8ad88b1b744adc3323998b64d8303ef1a19eba3d7fd6e76aeb67532

    SHA512

    a77a22431ccfd7e565639d90b205ff7132ddfc39a1d46c8ff5de8f71265c56706230b569fb22a72dbc6bbc7c92688ebb024b167971d3b7859c8b6b01ad9084fa

  • C:\Users\Admin\AppData\Local\10a687f7-6c64-49f9-95a2-93e368625157\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\10a687f7-6c64-49f9-95a2-93e368625157\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/2132-124-0x0000000002370000-0x000000000248B000-memory.dmp

    Filesize

    1.1MB

  • memory/2448-137-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2448-125-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2448-122-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2448-126-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2448-123-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3272-153-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3272-142-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3272-141-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3272-147-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3272-149-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3272-181-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3272-155-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3272-188-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3272-156-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4516-191-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/4516-165-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4516-170-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4516-169-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4516-167-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4516-238-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4516-247-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4516-249-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4516-250-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4664-168-0x00000000020E0000-0x000000000213D000-memory.dmp

    Filesize

    372KB