Analysis

  • max time kernel
    55s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    19-05-2022 07:16

General

  • Target

    ced270ea7e1b0f0ea8f54228f58b5e0104cdedf450e41c7dac43880686e58c42.exe

  • Size

    775KB

  • MD5

    32d12ae1846db6b257527c69df136794

  • SHA1

    a4e220142004f3388b5e8cf271fb45b2f9a0dfa2

  • SHA256

    ced270ea7e1b0f0ea8f54228f58b5e0104cdedf450e41c7dac43880686e58c42

  • SHA512

    91e833b5a93a1a5609c62d5561c748a2c2d37ec13c0e8809371240835d99c63fed6b8dc4e0380af40377b03e218073efa39f460b2853cb73a674086359b26eea

Malware Config

Extracted

Family

djvu

C2

http://ugll.org/test3/get.php

Attributes
  • extension

    .fefg

  • offline_id

    eBNgvyGQV1Hmt9DBdxVRs8qPi1agsS7OaohPmit1

  • payload_url

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

    http://ugll.org/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-j3AdKrnQie 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: admin@helpdata.top Reserve e-mail address to contact us: supportsys@airmail.cc Your personal ID: 0482JIjdm

rsa_pubkey.plain

Extracted

Family

vidar

Version

52.1

Botnet

517

C2

https://t.me/verstappenf1r

https://climatejustice.social/@ronxik312

Attributes
  • profile_id

    517

Signatures

  • Detected Djvu ransomware 8 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

  • suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

    suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

  • suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download

    suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download

  • suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key

    suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key

  • suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload

    suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload

  • Vidar Stealer 5 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 4 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.

  • Modifies system certificate store 2 TTPs 11 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ced270ea7e1b0f0ea8f54228f58b5e0104cdedf450e41c7dac43880686e58c42.exe
    "C:\Users\Admin\AppData\Local\Temp\ced270ea7e1b0f0ea8f54228f58b5e0104cdedf450e41c7dac43880686e58c42.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1600
    • C:\Users\Admin\AppData\Local\Temp\ced270ea7e1b0f0ea8f54228f58b5e0104cdedf450e41c7dac43880686e58c42.exe
      "C:\Users\Admin\AppData\Local\Temp\ced270ea7e1b0f0ea8f54228f58b5e0104cdedf450e41c7dac43880686e58c42.exe"
      2⤵
      • Adds Run key to start application
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:904
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\2ec0dd5e-d0eb-4f84-b7e8-f896506c695c" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:1344
      • C:\Users\Admin\AppData\Local\Temp\ced270ea7e1b0f0ea8f54228f58b5e0104cdedf450e41c7dac43880686e58c42.exe
        "C:\Users\Admin\AppData\Local\Temp\ced270ea7e1b0f0ea8f54228f58b5e0104cdedf450e41c7dac43880686e58c42.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1064
        • C:\Users\Admin\AppData\Local\Temp\ced270ea7e1b0f0ea8f54228f58b5e0104cdedf450e41c7dac43880686e58c42.exe
          "C:\Users\Admin\AppData\Local\Temp\ced270ea7e1b0f0ea8f54228f58b5e0104cdedf450e41c7dac43880686e58c42.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Loads dropped DLL
          • Modifies system certificate store
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1960
          • C:\Users\Admin\AppData\Local\c6a92282-7e30-4964-aad1-ce80b3e84757\build2.exe
            "C:\Users\Admin\AppData\Local\c6a92282-7e30-4964-aad1-ce80b3e84757\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:900
            • C:\Users\Admin\AppData\Local\c6a92282-7e30-4964-aad1-ce80b3e84757\build2.exe
              "C:\Users\Admin\AppData\Local\c6a92282-7e30-4964-aad1-ce80b3e84757\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Modifies system certificate store
              • Suspicious behavior: EnumeratesProcesses
              PID:564

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

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

    727B

    MD5

    93995ad095112907cfc088998c161574

    SHA1

    518c7127e11809bb74ff0f68ea7e86ea5aebc798

    SHA256

    fd16d238bcac3441688e7ca940c27bb02df8f0bf43b26d8e551414a18748c1cc

    SHA512

    c2a3153c65f0acbc821bf663b38591821402d9a00680e2e22f410bf1735752194c08b96f77b7e6712082584a8b6605f7ab9552ad2f6c193fbd13c90bb60436e9

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

    60KB

    MD5

    b9f21d8db36e88831e5352bb82c438b3

    SHA1

    4a3c330954f9f65a2f5fd7e55800e46ce228a3e2

    SHA256

    998e0209690a48ed33b79af30fc13851e3e3416bed97e3679b6030c10cab361e

    SHA512

    d4a2ac7c14227fbaf8b532398fb69053f0a0d913273f6917027c8cadbba80113fdbec20c2a7eb31b7bb57c99f9fdeccf8576be5f39346d8b564fc72fb1699476

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

    471B

    MD5

    c04f441d0220712231531a90823834db

    SHA1

    68dd18f1e0c51f1fdc4621394091a2dad08e4a08

    SHA256

    055641d3987ae98e2dd627d3214ea8084ae773a3df9592191b86977c752a29e7

    SHA512

    3156cf79585a45d919d4b27da4fe860f06e3206961fe1d20347ad74ef17de81c47857f35acd5cda3fae5ade28ab9747529ea3e8e79ca80aaf98e1f0e852bed53

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

    402B

    MD5

    781c9178188b6e0ac70945c1712a4b45

    SHA1

    9ff314868f6ae2a107c2074957238297f2e2c4e3

    SHA256

    86da7f0c343a72f06a807b4a202fc90baab6ee851bf73eee3a48299423c0309d

    SHA512

    e8c0142f098ac1baf549232902a78a298607c32c1e63a34e8a8c88174ab2466735a3beb1ec1bf3b6b4c2b3c22f9f668bbb8de002a4341966f88d93c75379bebb

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

    344B

    MD5

    c0d96b5ce24d59e9a871df4c99b4f92e

    SHA1

    f2eeb7dac05dc8aefe5d0629dd6e8c42c120571d

    SHA256

    2f2e77b3df40d39e907246f0b16a09f68bca9f3365097855331408e01cda9ab6

    SHA512

    f03bece98990fd72d841a967b7235c239e57296ac2ff1397574e8743d66321982273566ddc36a9feb6b47e7bf48a4816dd3fd2e253872cd5dd380cfed69dbd50

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

    396B

    MD5

    77a9fb9b282e692e785d4299d5447c40

    SHA1

    e41a65b1e79afb5b296ad4ad0a69efbb62143f2e

    SHA256

    5a9ec1a1add17041966ec9fb8ed733f42a6b702b79fe59861233a011b6d36f43

    SHA512

    53ff14684817e5333c70cffa5e8fa640a966a33aad963e0ba6e2c72e3b4e84fb1035932dddc0e1303e8311638ab2b367e25e453e357ee6e170cbc14901af9940

  • C:\Users\Admin\AppData\Local\2ec0dd5e-d0eb-4f84-b7e8-f896506c695c\ced270ea7e1b0f0ea8f54228f58b5e0104cdedf450e41c7dac43880686e58c42.exe
    Filesize

    775KB

    MD5

    32d12ae1846db6b257527c69df136794

    SHA1

    a4e220142004f3388b5e8cf271fb45b2f9a0dfa2

    SHA256

    ced270ea7e1b0f0ea8f54228f58b5e0104cdedf450e41c7dac43880686e58c42

    SHA512

    91e833b5a93a1a5609c62d5561c748a2c2d37ec13c0e8809371240835d99c63fed6b8dc4e0380af40377b03e218073efa39f460b2853cb73a674086359b26eea

  • C:\Users\Admin\AppData\Local\c6a92282-7e30-4964-aad1-ce80b3e84757\build2.exe
    Filesize

    367KB

    MD5

    3107999f9600f5f2bc88e17282da2773

    SHA1

    8862f9551fdb7dc30e135c556751b973f441e7b4

    SHA256

    aacab9cbbf292403a63bcfd1f6f0a9e534ac39aab406f2c9d7aa98b719f3801f

    SHA512

    50c66565fc457b848014eaf70b3f7cc408e8a818bd29c80daf53597a44c182d26649c249a6e3fe7e6516fc7ff7e7026f3aff4b25ee48645789fa6cd3d3e2f338

  • C:\Users\Admin\AppData\Local\c6a92282-7e30-4964-aad1-ce80b3e84757\build2.exe
    Filesize

    367KB

    MD5

    3107999f9600f5f2bc88e17282da2773

    SHA1

    8862f9551fdb7dc30e135c556751b973f441e7b4

    SHA256

    aacab9cbbf292403a63bcfd1f6f0a9e534ac39aab406f2c9d7aa98b719f3801f

    SHA512

    50c66565fc457b848014eaf70b3f7cc408e8a818bd29c80daf53597a44c182d26649c249a6e3fe7e6516fc7ff7e7026f3aff4b25ee48645789fa6cd3d3e2f338

  • C:\Users\Admin\AppData\Local\c6a92282-7e30-4964-aad1-ce80b3e84757\build2.exe
    Filesize

    367KB

    MD5

    3107999f9600f5f2bc88e17282da2773

    SHA1

    8862f9551fdb7dc30e135c556751b973f441e7b4

    SHA256

    aacab9cbbf292403a63bcfd1f6f0a9e534ac39aab406f2c9d7aa98b719f3801f

    SHA512

    50c66565fc457b848014eaf70b3f7cc408e8a818bd29c80daf53597a44c182d26649c249a6e3fe7e6516fc7ff7e7026f3aff4b25ee48645789fa6cd3d3e2f338

  • \ProgramData\mozglue.dll
    Filesize

    133KB

    MD5

    8f73c08a9660691143661bf7332c3c27

    SHA1

    37fa65dd737c50fda710fdbde89e51374d0c204a

    SHA256

    3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

    SHA512

    0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

  • \ProgramData\nss3.dll
    Filesize

    1.2MB

    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

  • \Users\Admin\AppData\Local\c6a92282-7e30-4964-aad1-ce80b3e84757\build2.exe
    Filesize

    367KB

    MD5

    3107999f9600f5f2bc88e17282da2773

    SHA1

    8862f9551fdb7dc30e135c556751b973f441e7b4

    SHA256

    aacab9cbbf292403a63bcfd1f6f0a9e534ac39aab406f2c9d7aa98b719f3801f

    SHA512

    50c66565fc457b848014eaf70b3f7cc408e8a818bd29c80daf53597a44c182d26649c249a6e3fe7e6516fc7ff7e7026f3aff4b25ee48645789fa6cd3d3e2f338

  • \Users\Admin\AppData\Local\c6a92282-7e30-4964-aad1-ce80b3e84757\build2.exe
    Filesize

    367KB

    MD5

    3107999f9600f5f2bc88e17282da2773

    SHA1

    8862f9551fdb7dc30e135c556751b973f441e7b4

    SHA256

    aacab9cbbf292403a63bcfd1f6f0a9e534ac39aab406f2c9d7aa98b719f3801f

    SHA512

    50c66565fc457b848014eaf70b3f7cc408e8a818bd29c80daf53597a44c182d26649c249a6e3fe7e6516fc7ff7e7026f3aff4b25ee48645789fa6cd3d3e2f338

  • memory/564-86-0x000000000042103C-mapping.dmp
  • memory/564-85-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/564-94-0x0000000060900000-0x0000000060992000-memory.dmp
    Filesize

    584KB

  • memory/564-92-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/564-93-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/900-89-0x000000000060A000-0x0000000000634000-memory.dmp
    Filesize

    168KB

  • memory/900-90-0x0000000000220000-0x0000000000269000-memory.dmp
    Filesize

    292KB

  • memory/900-82-0x0000000000000000-mapping.dmp
  • memory/904-61-0x0000000000400000-0x0000000000537000-memory.dmp
    Filesize

    1.2MB

  • memory/904-60-0x0000000075CD1000-0x0000000075CD3000-memory.dmp
    Filesize

    8KB

  • memory/904-56-0x0000000000424141-mapping.dmp
  • memory/904-55-0x0000000000400000-0x0000000000537000-memory.dmp
    Filesize

    1.2MB

  • memory/904-62-0x0000000000400000-0x0000000000537000-memory.dmp
    Filesize

    1.2MB

  • memory/1064-70-0x0000000000530000-0x00000000005C1000-memory.dmp
    Filesize

    580KB

  • memory/1064-66-0x0000000000530000-0x00000000005C1000-memory.dmp
    Filesize

    580KB

  • memory/1064-65-0x0000000000000000-mapping.dmp
  • memory/1344-63-0x0000000000000000-mapping.dmp
  • memory/1600-57-0x0000000000320000-0x00000000003B1000-memory.dmp
    Filesize

    580KB

  • memory/1600-59-0x0000000001E10000-0x0000000001F2B000-memory.dmp
    Filesize

    1.1MB

  • memory/1600-54-0x0000000000320000-0x00000000003B1000-memory.dmp
    Filesize

    580KB

  • memory/1960-72-0x0000000000400000-0x0000000000537000-memory.dmp
    Filesize

    1.2MB

  • memory/1960-79-0x0000000000400000-0x0000000000537000-memory.dmp
    Filesize

    1.2MB

  • memory/1960-68-0x0000000000424141-mapping.dmp