Analysis

  • max time kernel
    146s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/02/2023, 19:21

General

  • Target

    18318dcc08e7d5eebb964fba3c6840e5a5732df81672e6cdbbea050018520d15.exe

  • Size

    674KB

  • MD5

    4dd128c013982aabb7be8f53745c23d4

  • SHA1

    662d0e843cac44f705679deaa7677ef77d311b1f

  • SHA256

    18318dcc08e7d5eebb964fba3c6840e5a5732df81672e6cdbbea050018520d15

  • SHA512

    675a4fb8ace0ca97fe7d79fac5a48980ceabd49790da982cd317eebac19c06d6ad7fe7cbfbea7efffe86257ff33b96443ffb73c41339b422eecafa8c36e55941

  • SSDEEP

    12288:BvVj+UyOQe7LmfF/HJsCIU5juUj+5W9dkZvKCGzb/kIxk41jyS4:BvVVzDvuBHqppUfdklK1zbvxk45yX

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .ioqa

  • offline_id

    O5Ml6uMfuo0gYusk48e0q49EQlFERyL5eSVQmVt1

  • payload_url

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

    http://jiqaz.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-vdhH9Qcpjj 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: 0650JOsie

rsa_pubkey.plain

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 3 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.

  • 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\18318dcc08e7d5eebb964fba3c6840e5a5732df81672e6cdbbea050018520d15.exe
    "C:\Users\Admin\AppData\Local\Temp\18318dcc08e7d5eebb964fba3c6840e5a5732df81672e6cdbbea050018520d15.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3052
    • C:\Users\Admin\AppData\Local\Temp\18318dcc08e7d5eebb964fba3c6840e5a5732df81672e6cdbbea050018520d15.exe
      "C:\Users\Admin\AppData\Local\Temp\18318dcc08e7d5eebb964fba3c6840e5a5732df81672e6cdbbea050018520d15.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1060
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\68d09da6-c4a5-4a12-abce-7878be28cbe9" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:360
      • C:\Users\Admin\AppData\Local\Temp\18318dcc08e7d5eebb964fba3c6840e5a5732df81672e6cdbbea050018520d15.exe
        "C:\Users\Admin\AppData\Local\Temp\18318dcc08e7d5eebb964fba3c6840e5a5732df81672e6cdbbea050018520d15.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:460
        • C:\Users\Admin\AppData\Local\Temp\18318dcc08e7d5eebb964fba3c6840e5a5732df81672e6cdbbea050018520d15.exe
          "C:\Users\Admin\AppData\Local\Temp\18318dcc08e7d5eebb964fba3c6840e5a5732df81672e6cdbbea050018520d15.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:464
          • C:\Users\Admin\AppData\Local\b1a737fb-1211-43d0-85ca-b2ca0118c52b\build2.exe
            "C:\Users\Admin\AppData\Local\b1a737fb-1211-43d0-85ca-b2ca0118c52b\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4732
            • C:\Users\Admin\AppData\Local\b1a737fb-1211-43d0-85ca-b2ca0118c52b\build2.exe
              "C:\Users\Admin\AppData\Local\b1a737fb-1211-43d0-85ca-b2ca0118c52b\build2.exe"
              6⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:2604
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\b1a737fb-1211-43d0-85ca-b2ca0118c52b\build2.exe" & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:3136
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  8⤵
                  • Delays execution with timeout.exe
                  PID:3240
          • C:\Users\Admin\AppData\Local\b1a737fb-1211-43d0-85ca-b2ca0118c52b\build3.exe
            "C:\Users\Admin\AppData\Local\b1a737fb-1211-43d0-85ca-b2ca0118c52b\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:1472
            • 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:4088
  • 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:4288
    • 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:4304

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

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

    cbaaa31a46cfb789bbc98a8096e56da3

    SHA1

    79f471052d4383203500bbef818957b5b8dea21d

    SHA256

    13493838900a0f05699a35456ea36ced2321158008d48981916e240cbdb61afd

    SHA512

    fc5508284fb2f5879ae09d4af5861f1698f1f2f10f9dcff728d0a56d62a60459543eaf51476deeb8e9225a2cc80271d5408544e84d5bec94ca0640cf832aadc6

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

    Filesize

    1KB

    MD5

    128844de2d7beaed1646b22b0d72c2cb

    SHA1

    01ce0b8f5d7152b4e5e852b2a2a90cc68d6a821c

    SHA256

    eed40b62f57a5297f62a8eca1451df29b3b841c60874b1f8274550685f2b3374

    SHA512

    9bc083a35e143047eee3f42844a09d22fc0b05af6786ee2f23c63a3161a3f92ff1eb205e1e2365b7008a6c047940ddf07797cb554a3a84bb4f8c7d1dc6e42427

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

    Filesize

    488B

    MD5

    8e1caf5df9b38b3a7b046f7a6e016efa

    SHA1

    d65cce825b351c0636501da19e69deb32ffa2274

    SHA256

    55144245c2098fd94f7dd63d44356d1647051602dfb3f15e531686babcc87344

    SHA512

    709a7151840f662b7748c2dfee6a6ae7c7957996e3c094da96cd1bbdbdce59c76439f9a7fbde6e0cf563cff8802a0d7be1f6b0807052b76b32696baaed751c00

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

    Filesize

    482B

    MD5

    0f5718b6667a71a01cb12aed823a7ac9

    SHA1

    307412f46bad0509bad3bfb7f53dbba1b8a0758b

    SHA256

    5ef3cdcd22bf47c2c83d83ffe3e5ccfc72a771fa4b3727cb1b28fdf65ae0ade3

    SHA512

    d7eb694f48ea4c43eb4ffca626aa54c76a195cbbd0f7aa1958a5e97895ceb51b41ca76c34d267a454c1f66ff5cba93bde379ece4fd30aff89e8f39dbe1ad44e0

  • C:\Users\Admin\AppData\Local\68d09da6-c4a5-4a12-abce-7878be28cbe9\18318dcc08e7d5eebb964fba3c6840e5a5732df81672e6cdbbea050018520d15.exe

    Filesize

    674KB

    MD5

    4dd128c013982aabb7be8f53745c23d4

    SHA1

    662d0e843cac44f705679deaa7677ef77d311b1f

    SHA256

    18318dcc08e7d5eebb964fba3c6840e5a5732df81672e6cdbbea050018520d15

    SHA512

    675a4fb8ace0ca97fe7d79fac5a48980ceabd49790da982cd317eebac19c06d6ad7fe7cbfbea7efffe86257ff33b96443ffb73c41339b422eecafa8c36e55941

  • C:\Users\Admin\AppData\Local\b1a737fb-1211-43d0-85ca-b2ca0118c52b\build2.exe

    Filesize

    333KB

    MD5

    cd502aebbfdcff821e1265572ab37fa1

    SHA1

    2107470c4b3afeaedd86ed24aaced96b9d6bedd5

    SHA256

    6a617163b5914f23371a4d8cf8c13773fee397e02441b0ce411601fc1ac5f54c

    SHA512

    b818320ea5332a9843ecf3321d9a4b1901d4eff75672c22012eed62a88dfc13184bfc09f99363c5173360895dd1dfd55dab95311c8f11553e26723e61c76f95a

  • C:\Users\Admin\AppData\Local\b1a737fb-1211-43d0-85ca-b2ca0118c52b\build2.exe

    Filesize

    333KB

    MD5

    cd502aebbfdcff821e1265572ab37fa1

    SHA1

    2107470c4b3afeaedd86ed24aaced96b9d6bedd5

    SHA256

    6a617163b5914f23371a4d8cf8c13773fee397e02441b0ce411601fc1ac5f54c

    SHA512

    b818320ea5332a9843ecf3321d9a4b1901d4eff75672c22012eed62a88dfc13184bfc09f99363c5173360895dd1dfd55dab95311c8f11553e26723e61c76f95a

  • C:\Users\Admin\AppData\Local\b1a737fb-1211-43d0-85ca-b2ca0118c52b\build2.exe

    Filesize

    333KB

    MD5

    cd502aebbfdcff821e1265572ab37fa1

    SHA1

    2107470c4b3afeaedd86ed24aaced96b9d6bedd5

    SHA256

    6a617163b5914f23371a4d8cf8c13773fee397e02441b0ce411601fc1ac5f54c

    SHA512

    b818320ea5332a9843ecf3321d9a4b1901d4eff75672c22012eed62a88dfc13184bfc09f99363c5173360895dd1dfd55dab95311c8f11553e26723e61c76f95a

  • C:\Users\Admin\AppData\Local\b1a737fb-1211-43d0-85ca-b2ca0118c52b\build2.exe

    Filesize

    333KB

    MD5

    cd502aebbfdcff821e1265572ab37fa1

    SHA1

    2107470c4b3afeaedd86ed24aaced96b9d6bedd5

    SHA256

    6a617163b5914f23371a4d8cf8c13773fee397e02441b0ce411601fc1ac5f54c

    SHA512

    b818320ea5332a9843ecf3321d9a4b1901d4eff75672c22012eed62a88dfc13184bfc09f99363c5173360895dd1dfd55dab95311c8f11553e26723e61c76f95a

  • C:\Users\Admin\AppData\Local\b1a737fb-1211-43d0-85ca-b2ca0118c52b\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\b1a737fb-1211-43d0-85ca-b2ca0118c52b\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\b1a737fb-1211-43d0-85ca-b2ca0118c52b\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

  • memory/464-163-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/464-165-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/464-166-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/464-152-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/464-151-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/464-278-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/464-159-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/464-201-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/464-153-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/464-158-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1060-135-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1060-138-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1060-147-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1060-134-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1060-137-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2604-189-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2604-205-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/2604-181-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2604-180-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2604-273-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2604-275-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2604-276-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2604-178-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/3052-136-0x0000000002400000-0x000000000251B000-memory.dmp

    Filesize

    1.1MB

  • memory/4732-182-0x0000000000720000-0x000000000077C000-memory.dmp

    Filesize

    368KB