Analysis

  • max time kernel
    145s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-04-2023 17:25

General

  • Target

    1.bin.exe

  • Size

    742KB

  • MD5

    d24c537fb5eb6d0971b50bd0a7ae069e

  • SHA1

    1e48205e2e4e8e013e4010b7bb99d642567a5860

  • SHA256

    505b1ba56111898bec9423264ff12643c5e793fbcdbc2559bc9694cee990bec1

  • SHA512

    e7c8cb2e4a1f0b0faeba22e62588310990a56a89e32ba61b056283b85ad4f091843b645414527d48410601569d4be1e68cbe07d7cb74ebaccc552acf669a826b

  • SSDEEP

    12288:oKVoCbfsRzMz20j5Ex89MIgjgzwgWv9zXcgaHCuIAxOZK6VM9D7XB1:oKVoCbEgjexp9UUryHCuI2OZBqR

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .coty

  • offline_id

    O8Ao46dcCReRPC4I1PGMYsRFFc9WI5eOp0O3MFt1

  • 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-EPBZCVAS8s 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: support@freshmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0692JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

3.6

Botnet

5cb879265de0011bfc7588d5d251aee6

C2

https://steamcommunity.com/profiles/76561199499188534

https://t.me/nutalse

Attributes
  • profile_id_v2

    5cb879265de0011bfc7588d5d251aee6

  • user_agent

    Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36

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).

  • 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\1.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\1.bin.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1988
    • C:\Users\Admin\AppData\Local\Temp\1.bin.exe
      "C:\Users\Admin\AppData\Local\Temp\1.bin.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3792
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\4f7cf685-80e0-48d5-a989-70ae6b1025ba" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:360
      • C:\Users\Admin\AppData\Local\Temp\1.bin.exe
        "C:\Users\Admin\AppData\Local\Temp\1.bin.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:460
        • C:\Users\Admin\AppData\Local\Temp\1.bin.exe
          "C:\Users\Admin\AppData\Local\Temp\1.bin.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4064
          • C:\Users\Admin\AppData\Local\8ed1f46a-446e-4da9-9638-4b6ba6fe6029\build2.exe
            "C:\Users\Admin\AppData\Local\8ed1f46a-446e-4da9-9638-4b6ba6fe6029\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4996
            • C:\Users\Admin\AppData\Local\8ed1f46a-446e-4da9-9638-4b6ba6fe6029\build2.exe
              "C:\Users\Admin\AppData\Local\8ed1f46a-446e-4da9-9638-4b6ba6fe6029\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:5028
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\8ed1f46a-446e-4da9-9638-4b6ba6fe6029\build2.exe" & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:5068
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  8⤵
                  • Delays execution with timeout.exe
                  PID:2672
          • C:\Users\Admin\AppData\Local\8ed1f46a-446e-4da9-9638-4b6ba6fe6029\build3.exe
            "C:\Users\Admin\AppData\Local\8ed1f46a-446e-4da9-9638-4b6ba6fe6029\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:4080
            • 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:5064
  • 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:5004
    • 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:5040

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

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

    0a0291b9bdf89c7e506366a8be70a80c

    SHA1

    a30ddab885654862ba0be0159155bc99945c053f

    SHA256

    31631ce5dfb41c09757fbd14367f9e46dc012eed1b8d462e933a34c102441272

    SHA512

    b0c29fd46693496d0bd726db2a615049c8cc2996bc38132a57878706a8ee022bbb964b3f9c9bb67e520a82f2144d352655287e015f3617c85fabf72f752e30d5

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

    1KB

    MD5

    89d78eb124083dfc7d87ddbf1acdff7f

    SHA1

    069a3b78c24057041ccbd928672113f95523a17d

    SHA256

    ad777b3e2ac62663252cfcd7495e832f1a043bc3e0e4ecda3abf1c291eedcb0c

    SHA512

    34632fe51ac8fb71e52dd7490e01a3e92bbcfa545cd0309d50cb1706f336e09d754b9df04913e6a0f91cbc374cdb365da29c0b29768b56410e82d310b5ba6ebe

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

    488B

    MD5

    28cc5f56a619a153e2b6c082a60ad598

    SHA1

    ad2de2a51150b8fd56a06f5b20e60735d6fa0d59

    SHA256

    87ad9b16406472020d46b1b6447635417fd71b2f80748fb7cb7a9d2ec759df2a

    SHA512

    2d17c98881c1aebf53552c6bb836587ee4dfc035dee8b76a9545d0750686d65a914797eb29569c0569dcb98599cf86633e099a6534f8d4c6a28ff14be7cca670

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

    482B

    MD5

    e591c7a4ae074025a59a77356bea200d

    SHA1

    e96e0668d8b8f7f145773f6b7c4e9cff3d65066e

    SHA256

    fccbb2357fb886c9935470c2ff4254850b36d1e4733351cd4f511a6f4dce2923

    SHA512

    92cb773a453e8c9253bd764984f443494951c62615ecccd98827a09c8a69f64d49468279ffe880604d78854c898c55bbe1f15cceccc82edef9d9d18723e999d9

  • C:\Users\Admin\AppData\Local\4f7cf685-80e0-48d5-a989-70ae6b1025ba\1.bin.exe
    Filesize

    742KB

    MD5

    d24c537fb5eb6d0971b50bd0a7ae069e

    SHA1

    1e48205e2e4e8e013e4010b7bb99d642567a5860

    SHA256

    505b1ba56111898bec9423264ff12643c5e793fbcdbc2559bc9694cee990bec1

    SHA512

    e7c8cb2e4a1f0b0faeba22e62588310990a56a89e32ba61b056283b85ad4f091843b645414527d48410601569d4be1e68cbe07d7cb74ebaccc552acf669a826b

  • C:\Users\Admin\AppData\Local\8ed1f46a-446e-4da9-9638-4b6ba6fe6029\build2.exe
    Filesize

    453KB

    MD5

    770db2929307f3de98c1944fcd4adf92

    SHA1

    d84b969b5f77353f734ec251660b71f11f2a76bf

    SHA256

    581304c1ecc96f13dc1fcd999afed03ce2844937b63f463269352d9ba60666cb

    SHA512

    5bb5ac8146a540ea34aabee20b8f30a3b7fe1064f4cd18f1222aed63eb9a8a946c1e2c45a17b57e0e883ea578aacd255734aeb155451984c44ce1fb90cc66d03

  • C:\Users\Admin\AppData\Local\8ed1f46a-446e-4da9-9638-4b6ba6fe6029\build2.exe
    Filesize

    453KB

    MD5

    770db2929307f3de98c1944fcd4adf92

    SHA1

    d84b969b5f77353f734ec251660b71f11f2a76bf

    SHA256

    581304c1ecc96f13dc1fcd999afed03ce2844937b63f463269352d9ba60666cb

    SHA512

    5bb5ac8146a540ea34aabee20b8f30a3b7fe1064f4cd18f1222aed63eb9a8a946c1e2c45a17b57e0e883ea578aacd255734aeb155451984c44ce1fb90cc66d03

  • C:\Users\Admin\AppData\Local\8ed1f46a-446e-4da9-9638-4b6ba6fe6029\build2.exe
    Filesize

    453KB

    MD5

    770db2929307f3de98c1944fcd4adf92

    SHA1

    d84b969b5f77353f734ec251660b71f11f2a76bf

    SHA256

    581304c1ecc96f13dc1fcd999afed03ce2844937b63f463269352d9ba60666cb

    SHA512

    5bb5ac8146a540ea34aabee20b8f30a3b7fe1064f4cd18f1222aed63eb9a8a946c1e2c45a17b57e0e883ea578aacd255734aeb155451984c44ce1fb90cc66d03

  • C:\Users\Admin\AppData\Local\8ed1f46a-446e-4da9-9638-4b6ba6fe6029\build2.exe
    Filesize

    453KB

    MD5

    770db2929307f3de98c1944fcd4adf92

    SHA1

    d84b969b5f77353f734ec251660b71f11f2a76bf

    SHA256

    581304c1ecc96f13dc1fcd999afed03ce2844937b63f463269352d9ba60666cb

    SHA512

    5bb5ac8146a540ea34aabee20b8f30a3b7fe1064f4cd18f1222aed63eb9a8a946c1e2c45a17b57e0e883ea578aacd255734aeb155451984c44ce1fb90cc66d03

  • C:\Users\Admin\AppData\Local\8ed1f46a-446e-4da9-9638-4b6ba6fe6029\build3.exe
    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\8ed1f46a-446e-4da9-9638-4b6ba6fe6029\build3.exe
    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\8ed1f46a-446e-4da9-9638-4b6ba6fe6029\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/1988-136-0x0000000004A10000-0x0000000004B2B000-memory.dmp
    Filesize

    1.1MB

  • memory/3792-134-0x0000000000400000-0x0000000000537000-memory.dmp
    Filesize

    1.2MB

  • memory/3792-147-0x0000000000400000-0x0000000000537000-memory.dmp
    Filesize

    1.2MB

  • memory/3792-138-0x0000000000400000-0x0000000000537000-memory.dmp
    Filesize

    1.2MB

  • memory/3792-135-0x0000000000400000-0x0000000000537000-memory.dmp
    Filesize

    1.2MB

  • memory/3792-137-0x0000000000400000-0x0000000000537000-memory.dmp
    Filesize

    1.2MB

  • memory/4064-188-0x0000000000400000-0x0000000000537000-memory.dmp
    Filesize

    1.2MB

  • memory/4064-163-0x0000000000400000-0x0000000000537000-memory.dmp
    Filesize

    1.2MB

  • memory/4064-159-0x0000000000400000-0x0000000000537000-memory.dmp
    Filesize

    1.2MB

  • memory/4064-158-0x0000000000400000-0x0000000000537000-memory.dmp
    Filesize

    1.2MB

  • memory/4064-153-0x0000000000400000-0x0000000000537000-memory.dmp
    Filesize

    1.2MB

  • memory/4064-166-0x0000000000400000-0x0000000000537000-memory.dmp
    Filesize

    1.2MB

  • memory/4064-279-0x0000000000400000-0x0000000000537000-memory.dmp
    Filesize

    1.2MB

  • memory/4064-151-0x0000000000400000-0x0000000000537000-memory.dmp
    Filesize

    1.2MB

  • memory/4064-165-0x0000000000400000-0x0000000000537000-memory.dmp
    Filesize

    1.2MB

  • memory/4064-152-0x0000000000400000-0x0000000000537000-memory.dmp
    Filesize

    1.2MB

  • memory/4996-196-0x0000000000970000-0x00000000009CE000-memory.dmp
    Filesize

    376KB

  • memory/5028-193-0x0000000000400000-0x0000000000472000-memory.dmp
    Filesize

    456KB

  • memory/5028-211-0x0000000061E00000-0x0000000061EF3000-memory.dmp
    Filesize

    972KB

  • memory/5028-198-0x0000000000400000-0x0000000000472000-memory.dmp
    Filesize

    456KB

  • memory/5028-195-0x0000000000400000-0x0000000000472000-memory.dmp
    Filesize

    456KB

  • memory/5028-197-0x0000000000400000-0x0000000000472000-memory.dmp
    Filesize

    456KB

  • memory/5028-280-0x0000000000400000-0x0000000000472000-memory.dmp
    Filesize

    456KB

  • memory/5028-281-0x0000000000400000-0x0000000000472000-memory.dmp
    Filesize

    456KB

  • memory/5028-282-0x0000000000400000-0x0000000000472000-memory.dmp
    Filesize

    456KB

  • memory/5028-283-0x0000000000400000-0x0000000000472000-memory.dmp
    Filesize

    456KB