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Analysis

  • max time kernel
    150s
  • max time network
    103s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    13/03/2023, 08:09

General

  • Target

    a26e17be5dbd781ba4f3d2208c64a11594289b340ac7ba8dbb1a2d2b8c7759c5.exe

  • Size

    773KB

  • MD5

    5cf63849b83b927ac72280efe35b181c

  • SHA1

    6d4744697042fbe10bd0b82b767aac57673fc63e

  • SHA256

    a26e17be5dbd781ba4f3d2208c64a11594289b340ac7ba8dbb1a2d2b8c7759c5

  • SHA512

    2c14943e3b4df1df275069286c6282044532d8e521a707042cfa41faa64e27538301426d29f1987addad647f278494cab0234b6a81a8eb934b06cb5ade4e580a

  • SSDEEP

    24576:qcwVLrcseXf6Gd6pETdaYmUVql8UWk+a:qcwVfJIf6O6pmHUWi

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .qapo

  • 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: 0663Iopd

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 14 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 6 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 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.

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 60 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a26e17be5dbd781ba4f3d2208c64a11594289b340ac7ba8dbb1a2d2b8c7759c5.exe
    "C:\Users\Admin\AppData\Local\Temp\a26e17be5dbd781ba4f3d2208c64a11594289b340ac7ba8dbb1a2d2b8c7759c5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Users\Admin\AppData\Local\Temp\a26e17be5dbd781ba4f3d2208c64a11594289b340ac7ba8dbb1a2d2b8c7759c5.exe
      "C:\Users\Admin\AppData\Local\Temp\a26e17be5dbd781ba4f3d2208c64a11594289b340ac7ba8dbb1a2d2b8c7759c5.exe"
      2⤵
      • Adds Run key to start application
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2044
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\865f395c-5b07-49e5-95f5-cdb21d1ca054" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:1956
      • C:\Users\Admin\AppData\Local\Temp\a26e17be5dbd781ba4f3d2208c64a11594289b340ac7ba8dbb1a2d2b8c7759c5.exe
        "C:\Users\Admin\AppData\Local\Temp\a26e17be5dbd781ba4f3d2208c64a11594289b340ac7ba8dbb1a2d2b8c7759c5.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1944
        • C:\Users\Admin\AppData\Local\Temp\a26e17be5dbd781ba4f3d2208c64a11594289b340ac7ba8dbb1a2d2b8c7759c5.exe
          "C:\Users\Admin\AppData\Local\Temp\a26e17be5dbd781ba4f3d2208c64a11594289b340ac7ba8dbb1a2d2b8c7759c5.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:288
          • C:\Users\Admin\AppData\Local\c3023afd-ab90-40db-b467-be6dc0ddb389\build2.exe
            "C:\Users\Admin\AppData\Local\c3023afd-ab90-40db-b467-be6dc0ddb389\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:1692
            • C:\Users\Admin\AppData\Local\c3023afd-ab90-40db-b467-be6dc0ddb389\build2.exe
              "C:\Users\Admin\AppData\Local\c3023afd-ab90-40db-b467-be6dc0ddb389\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Modifies system certificate store
              PID:1336
          • C:\Users\Admin\AppData\Local\c3023afd-ab90-40db-b467-be6dc0ddb389\build3.exe
            "C:\Users\Admin\AppData\Local\c3023afd-ab90-40db-b467-be6dc0ddb389\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:916
            • 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:896
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {6111B0E3-C71F-4711-BF75-E7209B55BDBC} S-1-5-21-1283023626-844874658-3193756055-1000:THEQWNRW\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1316
      • 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"
        3⤵
        • Creates scheduled task(s)
        PID:1652

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    61KB

    MD5

    e71c8443ae0bc2e282c73faead0a6dd3

    SHA1

    0c110c1b01e68edfacaeae64781a37b1995fa94b

    SHA256

    95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72

    SHA512

    b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    61KB

    MD5

    e71c8443ae0bc2e282c73faead0a6dd3

    SHA1

    0c110c1b01e68edfacaeae64781a37b1995fa94b

    SHA256

    95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72

    SHA512

    b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    304B

    MD5

    4c1351c2270ee55c0b47270b3eb8cb18

    SHA1

    9a6cfb04deaa3d3f726434c5923b967f60a699a6

    SHA256

    52a8de4aa8edfa5b8f09ca7f23ff4f80781f8e7975c079f616de29852f0d4964

    SHA512

    d825d97c66a0beffbcfaf0799562fa8c45497c7cb4093515e0703bc1be6797789eb036baa79105fb89d81ba20ddd45f7892af0106fedd5376f42cc81b7e130dd

  • C:\Users\Admin\AppData\Local\865f395c-5b07-49e5-95f5-cdb21d1ca054\a26e17be5dbd781ba4f3d2208c64a11594289b340ac7ba8dbb1a2d2b8c7759c5.exe

    Filesize

    773KB

    MD5

    5cf63849b83b927ac72280efe35b181c

    SHA1

    6d4744697042fbe10bd0b82b767aac57673fc63e

    SHA256

    a26e17be5dbd781ba4f3d2208c64a11594289b340ac7ba8dbb1a2d2b8c7759c5

    SHA512

    2c14943e3b4df1df275069286c6282044532d8e521a707042cfa41faa64e27538301426d29f1987addad647f278494cab0234b6a81a8eb934b06cb5ade4e580a

  • C:\Users\Admin\AppData\Local\Temp\TarBCEB.tmp

    Filesize

    161KB

    MD5

    be2bec6e8c5653136d3e72fe53c98aa3

    SHA1

    a8182d6db17c14671c3d5766c72e58d87c0810de

    SHA256

    1919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd

    SHA512

    0d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff

  • C:\Users\Admin\AppData\Local\c3023afd-ab90-40db-b467-be6dc0ddb389\build2.exe

    Filesize

    382KB

    MD5

    c56b758f00562948de9cac375422074c

    SHA1

    9f98c4c403b98aea3624d905b2e1ccbe5939c908

    SHA256

    3df572ecd8ad88b1b744adc3323998b64d8303ef1a19eba3d7fd6e76aeb67532

    SHA512

    a77a22431ccfd7e565639d90b205ff7132ddfc39a1d46c8ff5de8f71265c56706230b569fb22a72dbc6bbc7c92688ebb024b167971d3b7859c8b6b01ad9084fa

  • C:\Users\Admin\AppData\Local\c3023afd-ab90-40db-b467-be6dc0ddb389\build2.exe

    Filesize

    382KB

    MD5

    c56b758f00562948de9cac375422074c

    SHA1

    9f98c4c403b98aea3624d905b2e1ccbe5939c908

    SHA256

    3df572ecd8ad88b1b744adc3323998b64d8303ef1a19eba3d7fd6e76aeb67532

    SHA512

    a77a22431ccfd7e565639d90b205ff7132ddfc39a1d46c8ff5de8f71265c56706230b569fb22a72dbc6bbc7c92688ebb024b167971d3b7859c8b6b01ad9084fa

  • C:\Users\Admin\AppData\Local\c3023afd-ab90-40db-b467-be6dc0ddb389\build2.exe

    Filesize

    382KB

    MD5

    c56b758f00562948de9cac375422074c

    SHA1

    9f98c4c403b98aea3624d905b2e1ccbe5939c908

    SHA256

    3df572ecd8ad88b1b744adc3323998b64d8303ef1a19eba3d7fd6e76aeb67532

    SHA512

    a77a22431ccfd7e565639d90b205ff7132ddfc39a1d46c8ff5de8f71265c56706230b569fb22a72dbc6bbc7c92688ebb024b167971d3b7859c8b6b01ad9084fa

  • C:\Users\Admin\AppData\Local\c3023afd-ab90-40db-b467-be6dc0ddb389\build2.exe

    Filesize

    382KB

    MD5

    c56b758f00562948de9cac375422074c

    SHA1

    9f98c4c403b98aea3624d905b2e1ccbe5939c908

    SHA256

    3df572ecd8ad88b1b744adc3323998b64d8303ef1a19eba3d7fd6e76aeb67532

    SHA512

    a77a22431ccfd7e565639d90b205ff7132ddfc39a1d46c8ff5de8f71265c56706230b569fb22a72dbc6bbc7c92688ebb024b167971d3b7859c8b6b01ad9084fa

  • C:\Users\Admin\AppData\Local\c3023afd-ab90-40db-b467-be6dc0ddb389\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\c3023afd-ab90-40db-b467-be6dc0ddb389\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\c3023afd-ab90-40db-b467-be6dc0ddb389\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

  • \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

  • \Users\Admin\AppData\Local\c3023afd-ab90-40db-b467-be6dc0ddb389\build2.exe

    Filesize

    382KB

    MD5

    c56b758f00562948de9cac375422074c

    SHA1

    9f98c4c403b98aea3624d905b2e1ccbe5939c908

    SHA256

    3df572ecd8ad88b1b744adc3323998b64d8303ef1a19eba3d7fd6e76aeb67532

    SHA512

    a77a22431ccfd7e565639d90b205ff7132ddfc39a1d46c8ff5de8f71265c56706230b569fb22a72dbc6bbc7c92688ebb024b167971d3b7859c8b6b01ad9084fa

  • \Users\Admin\AppData\Local\c3023afd-ab90-40db-b467-be6dc0ddb389\build2.exe

    Filesize

    382KB

    MD5

    c56b758f00562948de9cac375422074c

    SHA1

    9f98c4c403b98aea3624d905b2e1ccbe5939c908

    SHA256

    3df572ecd8ad88b1b744adc3323998b64d8303ef1a19eba3d7fd6e76aeb67532

    SHA512

    a77a22431ccfd7e565639d90b205ff7132ddfc39a1d46c8ff5de8f71265c56706230b569fb22a72dbc6bbc7c92688ebb024b167971d3b7859c8b6b01ad9084fa

  • \Users\Admin\AppData\Local\c3023afd-ab90-40db-b467-be6dc0ddb389\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • \Users\Admin\AppData\Local\c3023afd-ab90-40db-b467-be6dc0ddb389\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • memory/288-149-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/288-108-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/288-103-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/288-104-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/288-107-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/288-115-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/288-114-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/288-112-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/288-145-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1336-134-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1336-130-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1336-129-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1336-150-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1336-242-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1336-201-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/1692-133-0x0000000000230000-0x000000000028D000-memory.dmp

    Filesize

    372KB

  • memory/1944-99-0x0000000001D90000-0x0000000001E22000-memory.dmp

    Filesize

    584KB

  • memory/2008-58-0x0000000001F00000-0x000000000201B000-memory.dmp

    Filesize

    1.1MB

  • memory/2008-54-0x0000000000610000-0x00000000006A2000-memory.dmp

    Filesize

    584KB

  • memory/2044-97-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2044-59-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2044-60-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2044-56-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2044-55-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB