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Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/03/2023, 11:49

General

  • Target

    7f2da95a6071289c2a16f751cd4ef110978e99be1ba6725541f4d753ae717e6e.exe

  • Size

    761KB

  • MD5

    8edfc5cd990b582199df32c9552ba093

  • SHA1

    aa8e4fbb5246ad8e32735e3b34d4982d6f4b7d0f

  • SHA256

    7f2da95a6071289c2a16f751cd4ef110978e99be1ba6725541f4d753ae717e6e

  • SHA512

    6b0dd2fb19fa01b13bbf08cfcbd7055dc6b828cb4d0eb033885097cce3b049af9c87b09f6c42ca403d9fd1a98d98eb03afc80a3655f8bc123c69bea5e4e6153b

  • SSDEEP

    12288:yHoAf81b71Bkd2Wz9Uz0EMGEtPCz0psgvcYl4mXsA/dZp4JPRh:KP8t1aT9jkEtE0pD0mXzd

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .darj

  • offline_id

    8EM6M9LqEzIk18qaQ87WiPQ1u84RRdej5V1ovht1

  • 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-vbVkogQdu2 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: 0668JOsie

rsa_pubkey.plain

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199472266392

Extracted

Family

vidar

Version

��

C2

https://steamcommunity.com/profiles/76561199472266392

Signatures

  • Detected Djvu ransomware 16 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
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • Program crash 1 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7f2da95a6071289c2a16f751cd4ef110978e99be1ba6725541f4d753ae717e6e.exe
    "C:\Users\Admin\AppData\Local\Temp\7f2da95a6071289c2a16f751cd4ef110978e99be1ba6725541f4d753ae717e6e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\Users\Admin\AppData\Local\Temp\7f2da95a6071289c2a16f751cd4ef110978e99be1ba6725541f4d753ae717e6e.exe
      "C:\Users\Admin\AppData\Local\Temp\7f2da95a6071289c2a16f751cd4ef110978e99be1ba6725541f4d753ae717e6e.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5024
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\70454f3c-9e2b-4289-aecd-a9b0abf98b83" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:5076
      • C:\Users\Admin\AppData\Local\Temp\7f2da95a6071289c2a16f751cd4ef110978e99be1ba6725541f4d753ae717e6e.exe
        "C:\Users\Admin\AppData\Local\Temp\7f2da95a6071289c2a16f751cd4ef110978e99be1ba6725541f4d753ae717e6e.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3884
        • C:\Users\Admin\AppData\Local\Temp\7f2da95a6071289c2a16f751cd4ef110978e99be1ba6725541f4d753ae717e6e.exe
          "C:\Users\Admin\AppData\Local\Temp\7f2da95a6071289c2a16f751cd4ef110978e99be1ba6725541f4d753ae717e6e.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3192
          • C:\Users\Admin\AppData\Local\1edc6fe6-a8f9-4b96-80fc-589bd4acf375\build2.exe
            "C:\Users\Admin\AppData\Local\1edc6fe6-a8f9-4b96-80fc-589bd4acf375\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4724
            • C:\Users\Admin\AppData\Local\1edc6fe6-a8f9-4b96-80fc-589bd4acf375\build2.exe
              "C:\Users\Admin\AppData\Local\1edc6fe6-a8f9-4b96-80fc-589bd4acf375\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              PID:4196
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 1852
                7⤵
                • Program crash
                PID:556
          • C:\Users\Admin\AppData\Local\1edc6fe6-a8f9-4b96-80fc-589bd4acf375\build3.exe
            "C:\Users\Admin\AppData\Local\1edc6fe6-a8f9-4b96-80fc-589bd4acf375\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:932
            • 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:1164
  • 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:3944
    • 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:1032
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4196 -ip 4196
    1⤵
      PID:1160

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\ProgramData\mozglue.dll

      Filesize

      593KB

      MD5

      c8fd9be83bc728cc04beffafc2907fe9

      SHA1

      95ab9f701e0024cedfbd312bcfe4e726744c4f2e

      SHA256

      ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

      SHA512

      fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

    • C:\ProgramData\nss3.dll

      Filesize

      2.0MB

      MD5

      1cc453cdf74f31e4d913ff9c10acdde2

      SHA1

      6e85eae544d6e965f15fa5c39700fa7202f3aafe

      SHA256

      ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

      SHA512

      dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

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

      Filesize

      2KB

      MD5

      84770e5e2da7dbc35f74f1301910fea1

      SHA1

      bd6156f63c93c2bc668dbd796d27474700cbff84

      SHA256

      97a616430f4f8b8a76004f3ffab182f6a01870267c53387960f71f56c3dae1c5

      SHA512

      6241fec66ad5219fa31ad47fdd93dea2ef079cfd600d3ec1ca48fe64d028d76a82984113a5052b74de8d678d183e2bafb965f3c6111f3cdf139239b07dfee941

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

      Filesize

      1KB

      MD5

      46695bc8561a32e1833a6d99a77181a0

      SHA1

      b3c30e212f13fe612567d1a0d590ea400225bde2

      SHA256

      8acf929c15a9d787e72809586a1c01d53cd344207ed8f5b5d2f325f4a25f708e

      SHA512

      59a20f6594e628fb465ca887c4987656757d6b479c9fc72995c1bbe4c7ab89a8e60969aa68d7472b8a06bbfa99c01fdd0e87608fef95133463034bc21744e304

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

      Filesize

      488B

      MD5

      cd5e008d3bdc351979381631f2d023a7

      SHA1

      1ed09567aac057d8a4a97ef7980baa0673eecd48

      SHA256

      9c3635e20f10ddfffdafba5c5b52967c851407984b7c7657a306bf8c730e7f64

      SHA512

      216f0e113d02272a15259413ab42f8addc472461ea17835b30a0ecfccc339c05070131c19052c77e61ccef1ab4e58639ec7d5afb34a7cb99cae8bf71415700ce

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

      Filesize

      482B

      MD5

      f9d3e22a82747035c7815bc03b84a4c8

      SHA1

      be315e488028bf4bb8406728c44af64864d489e5

      SHA256

      fa9539bf1b965ab50fb5501ce03fc50698883e70004ab1bdcd2ed55af913f4fe

      SHA512

      646e942be66c1f9aa94d145142a809e0f7748ea56ccd8b2c8b3b3f78c296aa1361cab15907a2e2ec57ee2403e13df5de5f6a3c74461429c001e1e6ba6ac157b4

    • C:\Users\Admin\AppData\Local\1edc6fe6-a8f9-4b96-80fc-589bd4acf375\build2.exe

      Filesize

      299KB

      MD5

      6b343cd7dea3ae28d0819bc55a2f86fe

      SHA1

      cedd49849a5dd678d0a55da607e9b28a9680073c

      SHA256

      4240b655ed2af5ae8873b49e2e2d204383b2fd675c21f02527a9a4d9b719cd49

      SHA512

      7c28ba260fe53879b6e8f69d65c4263d454d75033889162d000c421695e634aeb13f4d4c2b999934f8eb2e58d62913764f1590689925e120600155d8390d0a48

    • C:\Users\Admin\AppData\Local\1edc6fe6-a8f9-4b96-80fc-589bd4acf375\build2.exe

      Filesize

      299KB

      MD5

      6b343cd7dea3ae28d0819bc55a2f86fe

      SHA1

      cedd49849a5dd678d0a55da607e9b28a9680073c

      SHA256

      4240b655ed2af5ae8873b49e2e2d204383b2fd675c21f02527a9a4d9b719cd49

      SHA512

      7c28ba260fe53879b6e8f69d65c4263d454d75033889162d000c421695e634aeb13f4d4c2b999934f8eb2e58d62913764f1590689925e120600155d8390d0a48

    • C:\Users\Admin\AppData\Local\1edc6fe6-a8f9-4b96-80fc-589bd4acf375\build2.exe

      Filesize

      299KB

      MD5

      6b343cd7dea3ae28d0819bc55a2f86fe

      SHA1

      cedd49849a5dd678d0a55da607e9b28a9680073c

      SHA256

      4240b655ed2af5ae8873b49e2e2d204383b2fd675c21f02527a9a4d9b719cd49

      SHA512

      7c28ba260fe53879b6e8f69d65c4263d454d75033889162d000c421695e634aeb13f4d4c2b999934f8eb2e58d62913764f1590689925e120600155d8390d0a48

    • C:\Users\Admin\AppData\Local\1edc6fe6-a8f9-4b96-80fc-589bd4acf375\build2.exe

      Filesize

      299KB

      MD5

      6b343cd7dea3ae28d0819bc55a2f86fe

      SHA1

      cedd49849a5dd678d0a55da607e9b28a9680073c

      SHA256

      4240b655ed2af5ae8873b49e2e2d204383b2fd675c21f02527a9a4d9b719cd49

      SHA512

      7c28ba260fe53879b6e8f69d65c4263d454d75033889162d000c421695e634aeb13f4d4c2b999934f8eb2e58d62913764f1590689925e120600155d8390d0a48

    • C:\Users\Admin\AppData\Local\1edc6fe6-a8f9-4b96-80fc-589bd4acf375\build3.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • C:\Users\Admin\AppData\Local\1edc6fe6-a8f9-4b96-80fc-589bd4acf375\build3.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • C:\Users\Admin\AppData\Local\1edc6fe6-a8f9-4b96-80fc-589bd4acf375\build3.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • C:\Users\Admin\AppData\Local\70454f3c-9e2b-4289-aecd-a9b0abf98b83\7f2da95a6071289c2a16f751cd4ef110978e99be1ba6725541f4d753ae717e6e.exe

      Filesize

      761KB

      MD5

      8edfc5cd990b582199df32c9552ba093

      SHA1

      aa8e4fbb5246ad8e32735e3b34d4982d6f4b7d0f

      SHA256

      7f2da95a6071289c2a16f751cd4ef110978e99be1ba6725541f4d753ae717e6e

      SHA512

      6b0dd2fb19fa01b13bbf08cfcbd7055dc6b828cb4d0eb033885097cce3b049af9c87b09f6c42ca403d9fd1a98d98eb03afc80a3655f8bc123c69bea5e4e6153b

    • 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

    • memory/1212-134-0x0000000002700000-0x000000000281B000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-280-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/3192-192-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/3192-173-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/3192-175-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/3192-176-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/3192-151-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/3192-152-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/3192-158-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/3192-157-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/3192-159-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/4196-178-0x0000000000400000-0x000000000046C000-memory.dmp

      Filesize

      432KB

    • memory/4196-183-0x0000000000400000-0x000000000046C000-memory.dmp

      Filesize

      432KB

    • memory/4196-277-0x0000000000400000-0x000000000046C000-memory.dmp

      Filesize

      432KB

    • memory/4196-182-0x0000000000400000-0x000000000046C000-memory.dmp

      Filesize

      432KB

    • memory/4196-275-0x0000000000400000-0x000000000046C000-memory.dmp

      Filesize

      432KB

    • memory/4196-205-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/4196-180-0x0000000000400000-0x000000000046C000-memory.dmp

      Filesize

      432KB

    • memory/4724-181-0x0000000002100000-0x0000000002157000-memory.dmp

      Filesize

      348KB

    • memory/5024-136-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/5024-135-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/5024-137-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/5024-138-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/5024-148-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB