Analysis

  • max time kernel
    144s
  • max time network
    137s
  • platform
    windows10-1703_x64
  • resource
    win10-20230703-en
  • resource tags

    arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system
  • submitted
    21-07-2023 22:59

General

  • Target

    2e6dd14317f5a1748bc42f4cdd5831a88b405ceaee0421549ecfce9d002eee5d.exe

  • Size

    761KB

  • MD5

    ae68d22b26077d53210a1871f1fd9659

  • SHA1

    9164a7e366877df71fa60b6dc165bab2ef7d1ee1

  • SHA256

    2e6dd14317f5a1748bc42f4cdd5831a88b405ceaee0421549ecfce9d002eee5d

  • SHA512

    ee643883425f94831fc720fd87f1aacadb6e53d818346271e7228572ca18eb11a7b7d3a3d438a91e68d7994ce3a2aaf14220df679a0ff9f9247c7e0fcdd0f208

  • SSDEEP

    12288:N0ahw3x1XhAfEkwgcUSa/7+B3N2HJYBLEMXvSoxhZMMF1+Mh+Ys:m93x1X5kwgLf/G3g2NqoxTMM2MhS

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .kizu

  • offline_id

    NGHsYuVPwlgoEkG3ENtueNmXtFHSWod7fYayU9t1

  • payload_url

    http://colisumy.com/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-lOjoPPuBzw 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: 0747JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

4.8

Botnet

https://t.me/sundayevent

C2

https://t.me/sundayevent

https://steamcommunity.com/profiles/76561198982268531

Attributes
  • profile_id_v2

    https://t.me/sundayevent

  • user_agent

    Mozilla/5.0 (X11; Linux 3.5.4-1-ARCH i686; es) KHTML/4.9.1 (like Gecko) Konqueror/4.9

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
  • 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).

  • 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 8 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2e6dd14317f5a1748bc42f4cdd5831a88b405ceaee0421549ecfce9d002eee5d.exe
    "C:\Users\Admin\AppData\Local\Temp\2e6dd14317f5a1748bc42f4cdd5831a88b405ceaee0421549ecfce9d002eee5d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4556
    • C:\Users\Admin\AppData\Local\Temp\2e6dd14317f5a1748bc42f4cdd5831a88b405ceaee0421549ecfce9d002eee5d.exe
      "C:\Users\Admin\AppData\Local\Temp\2e6dd14317f5a1748bc42f4cdd5831a88b405ceaee0421549ecfce9d002eee5d.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4120
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\0b306b12-2274-48b6-acea-680c18c53b72" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:1560
      • C:\Users\Admin\AppData\Local\Temp\2e6dd14317f5a1748bc42f4cdd5831a88b405ceaee0421549ecfce9d002eee5d.exe
        "C:\Users\Admin\AppData\Local\Temp\2e6dd14317f5a1748bc42f4cdd5831a88b405ceaee0421549ecfce9d002eee5d.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:4612
        • C:\Users\Admin\AppData\Local\Temp\2e6dd14317f5a1748bc42f4cdd5831a88b405ceaee0421549ecfce9d002eee5d.exe
          "C:\Users\Admin\AppData\Local\Temp\2e6dd14317f5a1748bc42f4cdd5831a88b405ceaee0421549ecfce9d002eee5d.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2692
          • C:\Users\Admin\AppData\Local\6ce37078-711c-4314-84f6-17bbdb1b85a0\build2.exe
            "C:\Users\Admin\AppData\Local\6ce37078-711c-4314-84f6-17bbdb1b85a0\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4868
            • C:\Users\Admin\AppData\Local\6ce37078-711c-4314-84f6-17bbdb1b85a0\build2.exe
              "C:\Users\Admin\AppData\Local\6ce37078-711c-4314-84f6-17bbdb1b85a0\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              PID:2504
          • C:\Users\Admin\AppData\Local\6ce37078-711c-4314-84f6-17bbdb1b85a0\build3.exe
            "C:\Users\Admin\AppData\Local\6ce37078-711c-4314-84f6-17bbdb1b85a0\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:4744
            • 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:1332
  • 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:5008
    • 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:1396

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    2KB

    MD5

    1ebe29638ced3f7ce8f725b6b7ff46f8

    SHA1

    b4ebbbabed6499321a14b3c4a4a74adcce55135f

    SHA256

    d032207b8a1c95e10ebcab100057c875d1f389bdafe042b7a250eb1c5cfdfef1

    SHA512

    58362c445b1344418b72ed764a6cb5838acbc1a3fe44fa6d458741daa6ba0303f280ccda11fba9c2dba10f9013d939aedbab8ec6123e97ce22a243e1dc1f985e

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

    Filesize

    1KB

    MD5

    c01fcb0db5aded4a825c1d7f97a35e1a

    SHA1

    5a75b3fbfd39566b06363f68a98ea146941f262d

    SHA256

    ada788b4cbd81874fb4feaac47fb8d0a31871fde641e9dcd45ee615204f21b46

    SHA512

    88e01d9238db41d9d6bdebe56f43a3c7167c3765e3d00945660ab9b3cb0277337271117ece43d491dfc86dc99afcb0caae80148d9143c95b55483b27c86a67f9

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

    Filesize

    488B

    MD5

    7e1cd02e75f44673763871c475a6075e

    SHA1

    168a73f1a6754f1f9c9bf2544820fa7524ddf182

    SHA256

    81da4e013b0bcde4462c297967a83b6c9aef81a71e1a1953e7bd743fc3cbf4fe

    SHA512

    d02bc0fe7621a89f4d407af6bd7863ed265a261665ed5c5d55b3a99285a10556a7680589316ff213c38cc8aec797c6b4eafc9bb21e76b1c5900c21ba1816d198

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

    Filesize

    482B

    MD5

    a93b0d498b1751c5c5cf37434825a540

    SHA1

    0f84c526e3e4383f9909532c43ffea43539eacf5

    SHA256

    e59cf671e24d3047baab804afa752666784b23544de522177e2548762c0c9d06

    SHA512

    664f0e4d28d49b1735937ddf5281d63832a8295f715e4eef7f7aa35facf09a2f8a6f66d98f7f2a17fab4d817eb5c2d8f102b50109081aa54e3a909fffbdf0a65

  • C:\Users\Admin\AppData\Local\0b306b12-2274-48b6-acea-680c18c53b72\2e6dd14317f5a1748bc42f4cdd5831a88b405ceaee0421549ecfce9d002eee5d.exe

    Filesize

    761KB

    MD5

    ae68d22b26077d53210a1871f1fd9659

    SHA1

    9164a7e366877df71fa60b6dc165bab2ef7d1ee1

    SHA256

    2e6dd14317f5a1748bc42f4cdd5831a88b405ceaee0421549ecfce9d002eee5d

    SHA512

    ee643883425f94831fc720fd87f1aacadb6e53d818346271e7228572ca18eb11a7b7d3a3d438a91e68d7994ce3a2aaf14220df679a0ff9f9247c7e0fcdd0f208

  • C:\Users\Admin\AppData\Local\6ce37078-711c-4314-84f6-17bbdb1b85a0\build2.exe

    Filesize

    524KB

    MD5

    5c08a40f82908735b187705b49de1fc3

    SHA1

    6e108f3f6611f46941869d7fcbe02c47219c0523

    SHA256

    7539d1cff13c822fbffc73cb9416dd8ae40d79f59b03b1e77b0909e182b6bd2b

    SHA512

    76d06c1686e1ec9bec07188769e3a851b98f042e962eee74bd195e156d15fd9ebc4997b10af092561178ef3918e86dd620d7070934db7b1f5a5449c19cfbe1fd

  • C:\Users\Admin\AppData\Local\6ce37078-711c-4314-84f6-17bbdb1b85a0\build2.exe

    Filesize

    524KB

    MD5

    5c08a40f82908735b187705b49de1fc3

    SHA1

    6e108f3f6611f46941869d7fcbe02c47219c0523

    SHA256

    7539d1cff13c822fbffc73cb9416dd8ae40d79f59b03b1e77b0909e182b6bd2b

    SHA512

    76d06c1686e1ec9bec07188769e3a851b98f042e962eee74bd195e156d15fd9ebc4997b10af092561178ef3918e86dd620d7070934db7b1f5a5449c19cfbe1fd

  • C:\Users\Admin\AppData\Local\6ce37078-711c-4314-84f6-17bbdb1b85a0\build2.exe

    Filesize

    524KB

    MD5

    5c08a40f82908735b187705b49de1fc3

    SHA1

    6e108f3f6611f46941869d7fcbe02c47219c0523

    SHA256

    7539d1cff13c822fbffc73cb9416dd8ae40d79f59b03b1e77b0909e182b6bd2b

    SHA512

    76d06c1686e1ec9bec07188769e3a851b98f042e962eee74bd195e156d15fd9ebc4997b10af092561178ef3918e86dd620d7070934db7b1f5a5449c19cfbe1fd

  • C:\Users\Admin\AppData\Local\6ce37078-711c-4314-84f6-17bbdb1b85a0\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\6ce37078-711c-4314-84f6-17bbdb1b85a0\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/2504-186-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2504-187-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2504-185-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2504-182-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2504-200-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/2504-249-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2504-250-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2504-251-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2692-145-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2692-176-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2692-170-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2692-160-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2692-161-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2692-144-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2692-146-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2692-158-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2692-154-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2692-153-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4120-123-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4120-124-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4120-139-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4120-126-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4120-125-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4556-121-0x00000000021A0000-0x0000000002233000-memory.dmp

    Filesize

    588KB

  • memory/4556-122-0x0000000002340000-0x000000000245B000-memory.dmp

    Filesize

    1.1MB

  • memory/4612-142-0x0000000002230000-0x00000000022C5000-memory.dmp

    Filesize

    596KB

  • memory/4868-183-0x0000000000820000-0x00000000008B5000-memory.dmp

    Filesize

    596KB

  • memory/4868-181-0x00000000008D0000-0x00000000009D0000-memory.dmp

    Filesize

    1024KB