Analysis

  • max time kernel
    297s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    20/08/2023, 04:49

General

  • Target

    bc22f0efc611f2b273dd8bf6eccab09f65571efafc4090dac11aa0252f5e38ed.exe

  • Size

    742KB

  • MD5

    11492b2a9c72c598a300ed3481b98383

  • SHA1

    96c0a4c0a3355758f68f8c48068bdeb1ed6e5b27

  • SHA256

    bc22f0efc611f2b273dd8bf6eccab09f65571efafc4090dac11aa0252f5e38ed

  • SHA512

    c6b7e76202c2eb121ed7ee1b7e02cf352bcc599229c7cc40f503037ed4f5f9e6ade760cc41d1fd50a675baca711031b89e52f6d18a843f0c20c4a89e9b4194c1

  • SSDEEP

    12288:g0krDaezOpKrKdTbaJg6GJeA9brqqhRO8CTPI4HNX4Qqp2dXqxt2Vhr/pz:gTrUKifaG9JezSoTujpF2dz

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .jaoy

  • offline_id

    umIwyPwiSJOJvBcdwrWXqzHWO4ar4za6seqWE2t1

  • 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-41jgkAwnmH 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: 0764JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

5.2

Botnet

35aa2808fb90f9e9dac907e1be77f310

C2

https://t.me/odyssey_tg

https://steamcommunity.com/profiles/76561199541261200

Attributes
  • profile_id_v2

    35aa2808fb90f9e9dac907e1be77f310

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.30 (KHTML, like Gecko) Chrome/115.0.1.0 Safari/537.30

Signatures

  • Detected Djvu ransomware 15 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 2 IoCs
  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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).

  • Delays execution with timeout.exe 1 IoCs
  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bc22f0efc611f2b273dd8bf6eccab09f65571efafc4090dac11aa0252f5e38ed.exe
    "C:\Users\Admin\AppData\Local\Temp\bc22f0efc611f2b273dd8bf6eccab09f65571efafc4090dac11aa0252f5e38ed.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1060
    • C:\Users\Admin\AppData\Local\Temp\bc22f0efc611f2b273dd8bf6eccab09f65571efafc4090dac11aa0252f5e38ed.exe
      "C:\Users\Admin\AppData\Local\Temp\bc22f0efc611f2b273dd8bf6eccab09f65571efafc4090dac11aa0252f5e38ed.exe"
      2⤵
      • Adds Run key to start application
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2780
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\f1000343-df9f-4a2e-8a6b-719ca5561c15" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:3068
      • C:\Users\Admin\AppData\Local\Temp\bc22f0efc611f2b273dd8bf6eccab09f65571efafc4090dac11aa0252f5e38ed.exe
        "C:\Users\Admin\AppData\Local\Temp\bc22f0efc611f2b273dd8bf6eccab09f65571efafc4090dac11aa0252f5e38ed.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2028
        • C:\Users\Admin\AppData\Local\Temp\bc22f0efc611f2b273dd8bf6eccab09f65571efafc4090dac11aa0252f5e38ed.exe
          "C:\Users\Admin\AppData\Local\Temp\bc22f0efc611f2b273dd8bf6eccab09f65571efafc4090dac11aa0252f5e38ed.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Loads dropped DLL
          • Modifies system certificate store
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2716
          • C:\Users\Admin\AppData\Local\47e91c46-1514-4243-ada2-87101a2cedc1\build2.exe
            "C:\Users\Admin\AppData\Local\47e91c46-1514-4243-ada2-87101a2cedc1\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:2504
            • C:\Users\Admin\AppData\Local\47e91c46-1514-4243-ada2-87101a2cedc1\build2.exe
              "C:\Users\Admin\AppData\Local\47e91c46-1514-4243-ada2-87101a2cedc1\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Modifies system certificate store
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:1980
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\47e91c46-1514-4243-ada2-87101a2cedc1\build2.exe" & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:3016
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  8⤵
                  • Delays execution with timeout.exe
                  PID:2812

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

          7d3bcaff902cddff14871d4bfd9a8cd9

          SHA1

          877e3549776f5cc3f06b1b7f45dcff0f5077fb91

          SHA256

          99545c940eb140e8c0ac9f28aad68f7f94258eaa60de3778352ef990821d76b0

          SHA512

          89e4820812cc6bd2c047890cb452bb66225df9259fb928025751dec6944b0ff9e50e867d4706e0d09c2271e691516677ca338c38707721012ee7392db88aa4fc

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

          Filesize

          1KB

          MD5

          415983456362f0e4b08d1413a0844cae

          SHA1

          70cb98746fd705a2ef138a5f2f9406f128599d1c

          SHA256

          584a780011a45779fdcbd609993ba9d33daec26cce56af44b73b6f9120702f37

          SHA512

          1fc6892190cf6b5d5e0bd11dc9fda67b5ec80b08837bd5e6871f3bde28132b97dcd69159481ac89fd2e9ddb08bdc2c78e0e8ff942e240f9443e412b69d359345

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

          Filesize

          488B

          MD5

          53a6f00dd897d982f962ed12fc0a707a

          SHA1

          60622ecc9a330c9971343b71a405b06fcda7d3b0

          SHA256

          33b832a496f14a666c321f0e4546d9de68ed85d7d5109aad61a46201ae841de0

          SHA512

          bfa3a9368328b35506b359ff474d163c0957130e2253d49fa3cfdf812a86b04759399b03a04a8873fd122b08167afbe574c627773e563960d3785a4b25d79749

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

          Filesize

          344B

          MD5

          87bd3cd83d769ccdfee31e3572cf78ad

          SHA1

          ea9637fb1ab1992768ed447510373955029eadbd

          SHA256

          4dfd19647fa4e42b24f254e63ea7533b82b9df93dd1a43bf301ee38d3d9eddea

          SHA512

          8af0dccc1db6798c728df650410fea42ddf99037b071f7836d39298d412a585bcf3ef8d53ca3fda1764fc25253d2253c3e27f5e20d7399e1b94d93631cfdd030

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

          Filesize

          482B

          MD5

          7cf72108ad5d71c39cc1a0df7c08e14d

          SHA1

          747f8ba27f410088580013091c6c5449ad5c61e5

          SHA256

          9e3be3d671c912cea6f8b54c6cc685c7a33b5f48284aafffbc73ee5500c2a0d5

          SHA512

          200c7e29e36bec8982f59022fcb2b560164fd6e35ff35a45770210c8c2e4c9b7483e2330cb8b9d4a962bd68f6c570b39cea06cdc030976f2a3e4b8765b3b34ae

        • C:\Users\Admin\AppData\Local\47e91c46-1514-4243-ada2-87101a2cedc1\build2.exe

          Filesize

          375KB

          MD5

          6076ec9fc98856b3b627751f92843a35

          SHA1

          5520b12ee2f8d39d6c8def16c7d472d08d43ec65

          SHA256

          a3ec2956fea5d99ce309b2b2209dc4dbcbf5330482ebbe46a754eb8c0885a209

          SHA512

          36bba1852037db9c81808382bca048cd94dcdbdaa1e7108e39493fa4d48aa9164b79abb44fb2f766592516b586a558d14b20ae6e8ebb131f61d738b892a6d1be

        • C:\Users\Admin\AppData\Local\47e91c46-1514-4243-ada2-87101a2cedc1\build2.exe

          Filesize

          375KB

          MD5

          6076ec9fc98856b3b627751f92843a35

          SHA1

          5520b12ee2f8d39d6c8def16c7d472d08d43ec65

          SHA256

          a3ec2956fea5d99ce309b2b2209dc4dbcbf5330482ebbe46a754eb8c0885a209

          SHA512

          36bba1852037db9c81808382bca048cd94dcdbdaa1e7108e39493fa4d48aa9164b79abb44fb2f766592516b586a558d14b20ae6e8ebb131f61d738b892a6d1be

        • C:\Users\Admin\AppData\Local\47e91c46-1514-4243-ada2-87101a2cedc1\build2.exe

          Filesize

          375KB

          MD5

          6076ec9fc98856b3b627751f92843a35

          SHA1

          5520b12ee2f8d39d6c8def16c7d472d08d43ec65

          SHA256

          a3ec2956fea5d99ce309b2b2209dc4dbcbf5330482ebbe46a754eb8c0885a209

          SHA512

          36bba1852037db9c81808382bca048cd94dcdbdaa1e7108e39493fa4d48aa9164b79abb44fb2f766592516b586a558d14b20ae6e8ebb131f61d738b892a6d1be

        • C:\Users\Admin\AppData\Local\47e91c46-1514-4243-ada2-87101a2cedc1\build2.exe

          Filesize

          375KB

          MD5

          6076ec9fc98856b3b627751f92843a35

          SHA1

          5520b12ee2f8d39d6c8def16c7d472d08d43ec65

          SHA256

          a3ec2956fea5d99ce309b2b2209dc4dbcbf5330482ebbe46a754eb8c0885a209

          SHA512

          36bba1852037db9c81808382bca048cd94dcdbdaa1e7108e39493fa4d48aa9164b79abb44fb2f766592516b586a558d14b20ae6e8ebb131f61d738b892a6d1be

        • C:\Users\Admin\AppData\Local\Temp\Cab897D.tmp

          Filesize

          62KB

          MD5

          3ac860860707baaf32469fa7cc7c0192

          SHA1

          c33c2acdaba0e6fa41fd2f00f186804722477639

          SHA256

          d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

          SHA512

          d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

        • C:\Users\Admin\AppData\Local\Temp\Tar8AE6.tmp

          Filesize

          164KB

          MD5

          4ff65ad929cd9a367680e0e5b1c08166

          SHA1

          c0af0d4396bd1f15c45f39d3b849ba444233b3a2

          SHA256

          c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

          SHA512

          f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

        • C:\Users\Admin\AppData\Local\f1000343-df9f-4a2e-8a6b-719ca5561c15\bc22f0efc611f2b273dd8bf6eccab09f65571efafc4090dac11aa0252f5e38ed.exe

          Filesize

          742KB

          MD5

          11492b2a9c72c598a300ed3481b98383

          SHA1

          96c0a4c0a3355758f68f8c48068bdeb1ed6e5b27

          SHA256

          bc22f0efc611f2b273dd8bf6eccab09f65571efafc4090dac11aa0252f5e38ed

          SHA512

          c6b7e76202c2eb121ed7ee1b7e02cf352bcc599229c7cc40f503037ed4f5f9e6ade760cc41d1fd50a675baca711031b89e52f6d18a843f0c20c4a89e9b4194c1

        • \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

        • \Users\Admin\AppData\Local\47e91c46-1514-4243-ada2-87101a2cedc1\build2.exe

          Filesize

          375KB

          MD5

          6076ec9fc98856b3b627751f92843a35

          SHA1

          5520b12ee2f8d39d6c8def16c7d472d08d43ec65

          SHA256

          a3ec2956fea5d99ce309b2b2209dc4dbcbf5330482ebbe46a754eb8c0885a209

          SHA512

          36bba1852037db9c81808382bca048cd94dcdbdaa1e7108e39493fa4d48aa9164b79abb44fb2f766592516b586a558d14b20ae6e8ebb131f61d738b892a6d1be

        • \Users\Admin\AppData\Local\47e91c46-1514-4243-ada2-87101a2cedc1\build2.exe

          Filesize

          375KB

          MD5

          6076ec9fc98856b3b627751f92843a35

          SHA1

          5520b12ee2f8d39d6c8def16c7d472d08d43ec65

          SHA256

          a3ec2956fea5d99ce309b2b2209dc4dbcbf5330482ebbe46a754eb8c0885a209

          SHA512

          36bba1852037db9c81808382bca048cd94dcdbdaa1e7108e39493fa4d48aa9164b79abb44fb2f766592516b586a558d14b20ae6e8ebb131f61d738b892a6d1be

        • memory/1060-60-0x0000000003170000-0x0000000003201000-memory.dmp

          Filesize

          580KB

        • memory/1060-54-0x0000000003170000-0x0000000003201000-memory.dmp

          Filesize

          580KB

        • memory/1060-56-0x0000000003210000-0x000000000332B000-memory.dmp

          Filesize

          1.1MB

        • memory/1980-235-0x0000000000400000-0x000000000046F000-memory.dmp

          Filesize

          444KB

        • memory/1980-234-0x0000000000400000-0x000000000046F000-memory.dmp

          Filesize

          444KB

        • memory/1980-231-0x0000000000400000-0x000000000046F000-memory.dmp

          Filesize

          444KB

        • memory/1980-329-0x0000000000400000-0x000000000046F000-memory.dmp

          Filesize

          444KB

        • memory/1980-227-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/1980-288-0x0000000061E00000-0x0000000061EF3000-memory.dmp

          Filesize

          972KB

        • memory/1980-327-0x0000000000400000-0x000000000046F000-memory.dmp

          Filesize

          444KB

        • memory/1980-328-0x0000000000400000-0x000000000046F000-memory.dmp

          Filesize

          444KB

        • memory/2504-228-0x0000000002750000-0x0000000002850000-memory.dmp

          Filesize

          1024KB

        • memory/2504-230-0x0000000002570000-0x00000000025CB000-memory.dmp

          Filesize

          364KB

        • memory/2716-106-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2716-240-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2716-212-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2716-211-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2716-209-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2716-205-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2716-164-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2716-213-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2716-163-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2716-321-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2780-62-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2780-97-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2780-61-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2780-58-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2780-55-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB