Analysis

  • max time kernel
    4s
  • max time network
    162s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    10-01-2024 18:01

General

  • Target

    0407f464f5383cc888945bda2afa42c6.exe

  • Size

    723KB

  • MD5

    0407f464f5383cc888945bda2afa42c6

  • SHA1

    92de3404b2b42c0460565201ceaf2669bd6fc149

  • SHA256

    cc44b762d57a9c109e4255cb94fd3f550a18bc005a45aaed1ac9c99d806e6c20

  • SHA512

    39aabd70c7065714718c0cb91795b1e690972780e1c118cb0f71f7f481f889f1df36b2e4b17b2e791ac8ef477c69f412a00f51bde9eec9e3c7531498c5586e50

  • SSDEEP

    12288:qKWz9fNdRDFUssQkmmhlew/2NSFaanti7JDaDN79dOCOMW+/jeV/sJ/oftN2y2Eh:nQ9pDFUs1kzhlew/uSFBtilDaDNpd3xE

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .cdpo

  • offline_id

    Bn3q97hwLouKbhkQRNO4SeV07gjdEQVm8NKhg0t1

  • payload_url

    http://brusuax.com/dl/build2.exe

    http://habrafa.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-FCWSCsjEWS Price of private key and decrypt software is $1999. Discount 50% available if you contact us first 72 hours, that's price for you is $999. 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@freshingmail.top Reserve e-mail address to contact us: datarestorehelpyou@airmail.cc Your personal ID: 0844OSkw

rsa_pubkey.plain

Signatures

  • Detect Vidar Stealer 7 IoCs
  • Detected Djvu ransomware 12 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
  • Modifies file permissions 1 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 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0407f464f5383cc888945bda2afa42c6.exe
    "C:\Users\Admin\AppData\Local\Temp\0407f464f5383cc888945bda2afa42c6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\Users\Admin\AppData\Local\Temp\0407f464f5383cc888945bda2afa42c6.exe
      "C:\Users\Admin\AppData\Local\Temp\0407f464f5383cc888945bda2afa42c6.exe"
      2⤵
        PID:2104
        • C:\Windows\SysWOW64\icacls.exe
          icacls "C:\Users\Admin\AppData\Local\0454c923-095f-4a02-bd5e-c2af8316dba3" /deny *S-1-1-0:(OI)(CI)(DE,DC)
          3⤵
          • Modifies file permissions
          PID:2876
        • C:\Users\Admin\AppData\Local\Temp\0407f464f5383cc888945bda2afa42c6.exe
          "C:\Users\Admin\AppData\Local\Temp\0407f464f5383cc888945bda2afa42c6.exe" --Admin IsNotAutoStart IsNotTask
          3⤵
            PID:2612
            • C:\Users\Admin\AppData\Local\Temp\0407f464f5383cc888945bda2afa42c6.exe
              "C:\Users\Admin\AppData\Local\Temp\0407f464f5383cc888945bda2afa42c6.exe" --Admin IsNotAutoStart IsNotTask
              4⤵
                PID:2664
                • C:\Users\Admin\AppData\Local\454db8b8-648b-4400-a24e-dbd1be852f85\build2.exe
                  "C:\Users\Admin\AppData\Local\454db8b8-648b-4400-a24e-dbd1be852f85\build2.exe"
                  5⤵
                    PID:2380
                    • C:\Users\Admin\AppData\Local\454db8b8-648b-4400-a24e-dbd1be852f85\build2.exe
                      "C:\Users\Admin\AppData\Local\454db8b8-648b-4400-a24e-dbd1be852f85\build2.exe"
                      6⤵
                        PID:2708
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 2708 -s 1432
                          7⤵
                          • Program crash
                          PID:2864

            Network

            MITRE ATT&CK Matrix ATT&CK v13

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
              Filesize

              1KB

              MD5

              9abccb669092048794e059f0cb3c297f

              SHA1

              b27cc48a4a3e63e0a18640a381fbf63c445495a4

              SHA256

              ea77439e9d310540a73cc76391317e00862c4107e3ef5a0d67ca55efdbd270fb

              SHA512

              3897e61557d12d01c26e291131e9431922cecb2ec60b33581ed46e933fd9926123e4de9eb5b404ef8328bef3de4753b0cd0dd9f3bd47b7ba67c5136d5184f4e5

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
              Filesize

              724B

              MD5

              8202a1cd02e7d69597995cabbe881a12

              SHA1

              8858d9d934b7aa9330ee73de6c476acf19929ff6

              SHA256

              58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5

              SHA512

              97ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
              Filesize

              410B

              MD5

              5f8ea8880ebefdb8945174c225485881

              SHA1

              2248d15c8f1ea8efca02f564f200583396a5b057

              SHA256

              d50940990e16b2632cdc9fdd071cc80799a39a912a1b7289141c153ffc43dfa9

              SHA512

              0c6b30dbf51346fe350138df080a53e5b059f16ca70995f2ee46f8dc5fd193d55e77ac1f1f9c6be001b774d3bef799c98e97f46dffe270232b926fcff110f7dc

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

              344B

              MD5

              5512122fb443059ecd55f212cdbd6955

              SHA1

              58770ac6edf358ff941cac1f6ef590f53f643218

              SHA256

              d94dd10b6565b5eab59aaa97537e6641be43e66bf3c01798062a47f761c618c7

              SHA512

              e6c4d4412e4fc944b4b64356eb6d918c6aeb09034906c6c6f6af57d7296744bee25bee769550a5fcfcc46bea8818254d4845c62611699bcfaa194df5282e3dde

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
              Filesize

              392B

              MD5

              e0a9b94ea4e62612aaa7f58236df28e2

              SHA1

              7abe44780d1d041ee81427b758ed85d269787659

              SHA256

              3b9940c36d0fa1e7ea93dee884425626841b6cddc03becc4ba1e50a392400f84

              SHA512

              bcdea02f2f798dec77cfdea44f230075b7e8b0f5fccba86d2181ef88d844bcf894065a2120e234e9a99a9ca4960fa166a50bb675606a23a0425ad73a5dcd2a44

            • C:\Users\Admin\AppData\Local\0454c923-095f-4a02-bd5e-c2af8316dba3\0407f464f5383cc888945bda2afa42c6.exe
              Filesize

              116KB

              MD5

              c1c5830b250a5369bcf96f04209261fe

              SHA1

              c58110c4eee1da1198bf996777069c88071aed83

              SHA256

              42de5c518b5604afcc172ae93368c3573afc679d47cc61cf8bd5ae629190b963

              SHA512

              3ff2ae2b52b6de6a2e2e1f36473a39dc59a4455c0e59da6fd7af597b632fe9352eaab4584965b540c206d917e3a8af8f494f3597cbefe279d615d9e90217f355

            • C:\Users\Admin\AppData\Local\454db8b8-648b-4400-a24e-dbd1be852f85\build2.exe
              Filesize

              21KB

              MD5

              18662b8850359e57ff8b5d69b0e88c4c

              SHA1

              09a366ca35ce96853c92175edf53153be0491c06

              SHA256

              358b689513344f38b9d70f390f40112916177da50d970547310142fc612edd8d

              SHA512

              fec5b0ec57f931d17c3e7dbcc9006e55ddae4d17aab94f737169c4e684e22e89fa4cd8b7ab17a8bed307486d476d7515136623810cf021c5738d951704eebbd0

            • C:\Users\Admin\AppData\Local\454db8b8-648b-4400-a24e-dbd1be852f85\build2.exe
              Filesize

              1KB

              MD5

              fe01c85761f73499aad7b52653767efc

              SHA1

              994ce5a6898ccefbfe7d3cdd21e7b044b98a47ae

              SHA256

              caf7e3d57333c9367bcbeee6fa78a6dbd5ea796f138c9b384a96940de47fdee2

              SHA512

              9af67eeffc27cd1e54740db15101caecfdc5067b78a17865a3bb9ef38e5ce4d8275ab15a3be81788477e05684a28366ffb7bac513af840893741c20813ccc90d

            • C:\Users\Admin\AppData\Local\454db8b8-648b-4400-a24e-dbd1be852f85\build2.exe
              Filesize

              11KB

              MD5

              7330f645388de7b320435cd0f2b6cbd8

              SHA1

              594e2618cbae8d6d906d1a989eba64311277b685

              SHA256

              1bae55c3d30c934580f302b2fcd7578b625c6a8851e431726574295188271b96

              SHA512

              802d944285d83b1ba9adbf98b8441745a7469d715fca1ba7004a6acce1ae54410d0855fbc92f3f09d2f63964367260e918cd4ad292f6041d8a85cdfca0bdfa55

            • C:\Users\Admin\AppData\Local\454db8b8-648b-4400-a24e-dbd1be852f85\build2.exe
              MD5

              d41d8cd98f00b204e9800998ecf8427e

              SHA1

              da39a3ee5e6b4b0d3255bfef95601890afd80709

              SHA256

              e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

              SHA512

              cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

            • C:\Users\Admin\AppData\Local\Temp\Cab840E.tmp
              Filesize

              27KB

              MD5

              afa3772d855141f42da9513340ddd9b4

              SHA1

              9bfada8e9dac067767670cc16ea489e189cce3f3

              SHA256

              9bbab623c425621894632622e0dbf41006976af45400777efb96570e70973951

              SHA512

              aaab81112915fdc13d975dc38b4f59f1432e69bf7c5d1b6aea43a12ddfd418e951c9521181b9eed49e6537177e327aa4e96b54aa2108bd31af7b900f049629b7

            • C:\Users\Admin\AppData\Local\Temp\TarA1EB.tmp
              Filesize

              7KB

              MD5

              6840afaebfb619753a7adc87b57bea23

              SHA1

              ae4ba1c40c91b0b416f68e7ba42ec4425f02b7ae

              SHA256

              c74d9a369e521d9297211ba9eceb3d0151dad76bb4a2e82c2fb374e7a2bf8d84

              SHA512

              58db29feb4b8a2e3069556790e47a58161337d1fd61b5a7454f685ad4bca0d9fca7c2ccc65e6554f5205105a94a6220a47d370e1c0063790cc751325701f513d

            • \Users\Admin\AppData\Local\454db8b8-648b-4400-a24e-dbd1be852f85\build2.exe
              Filesize

              42KB

              MD5

              50bdc0fad35fc0f461b652b761572d00

              SHA1

              afcd4609bfd113de3dd71ceafd6b6541b6dd731b

              SHA256

              42337145a8352ae8a027c05455537c57d9d00aabae5dca71cc2c3a54cec47610

              SHA512

              22c09d2e27b85debd8213ae52da24f5f5c0d24f5fad68e0b608ff26d11a84c359fd3a095d7733106673348a090935e3db24c36620f5270aa8a8b8b176dba3703

            • \Users\Admin\AppData\Local\454db8b8-648b-4400-a24e-dbd1be852f85\build2.exe
              Filesize

              34KB

              MD5

              f7d8f34e90a5934424878900274211f9

              SHA1

              9e8a2c207fc0204bbbb266e61203b655fdb5afcd

              SHA256

              cf20314fc04484127f0563da78f0915c42371a8243f1a6dac0ffaa6e2883f693

              SHA512

              2c0fb7aef4472064e2b116aad18474ca1a6cf6f5d8f1e4474f4cbf65704ebc253ecb66971be26b65b3f72b74455d983a55f28d5afbbcc18bd5afb36a5e496a3c

            • \Users\Admin\AppData\Local\454db8b8-648b-4400-a24e-dbd1be852f85\build2.exe
              Filesize

              92KB

              MD5

              22e09e303bf210c5a1366eed0be0b294

              SHA1

              8579012d28b1c325facb09e50ee0f33400c98d0f

              SHA256

              ef828c82ba2541737e984e24f16ab37b68810ccd90c836cf18d74e4a90417c7d

              SHA512

              9d5aec3a9787b019191e700366aed9ed6d48a01868ec6588a6b64759b84fd96523a48f5a2eff723cdcee0096c40ea0f2f6d9bc2a67aa559f11cf2928317b3570

            • \Users\Admin\AppData\Local\454db8b8-648b-4400-a24e-dbd1be852f85\build2.exe
              Filesize

              68KB

              MD5

              164132e7e74110503b87ee1ab13c8164

              SHA1

              73a37f42e6bcb96f41c3e5421a2a828896600281

              SHA256

              974dc33fd42bc76ff1f05c2fc3aab8e9192aec511ba9ec039f57c927bed2a320

              SHA512

              9667128c7d594a0c620863b3e330359a13ecd51345128b3d735204a100dbf3561239f4152a994f78af38d757b8ab0fdd918e1adbc3f12279ef330cf9cfebf2da

            • \Users\Admin\AppData\Local\454db8b8-648b-4400-a24e-dbd1be852f85\build2.exe
              Filesize

              23KB

              MD5

              6dd62c1337f4748a1c25e02977fa6155

              SHA1

              b11794929192eca13aa47bcda4189e98b94baa4b

              SHA256

              29bb39a50c3a0918b0e84d0176a40851d959620b14d08ea8cb39083554bb5b1a

              SHA512

              f7cdd14115a5e50ee2bf47dd22a5cb4e63ddbcded86f2d9b741f24419146a2a813e488a23aee194109d96c633e6bed4b399543ed95e2fe59bac86dd8ed47efcd

            • \Users\Admin\AppData\Local\454db8b8-648b-4400-a24e-dbd1be852f85\build2.exe
              Filesize

              6KB

              MD5

              6837987a14ac8d69d18dac7e864e90ae

              SHA1

              51dd1f72fed1f9bc987f654f4cc116d589087be2

              SHA256

              3d25a61b685a7f139f22e15e114817bdc2a36e3044e9a6caaa34bc6d304db782

              SHA512

              40c05fa2da497d8fbbb4a22f2326506be10dcbddfb0b4f0c9d8b3c22c036cab230d313ec8d6effe4702fa54517d529ea7b78eb7a94d29d264adcd00fe611ff58

            • memory/2104-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
              Filesize

              4KB

            • memory/2104-8-0x0000000000400000-0x0000000000537000-memory.dmp
              Filesize

              1.2MB

            • memory/2104-5-0x0000000000400000-0x0000000000537000-memory.dmp
              Filesize

              1.2MB

            • memory/2104-9-0x0000000000400000-0x0000000000537000-memory.dmp
              Filesize

              1.2MB

            • memory/2104-27-0x0000000000400000-0x0000000000537000-memory.dmp
              Filesize

              1.2MB

            • memory/2380-84-0x0000000000460000-0x00000000004AB000-memory.dmp
              Filesize

              300KB

            • memory/2380-93-0x0000000000260000-0x0000000000360000-memory.dmp
              Filesize

              1024KB

            • memory/2380-82-0x0000000000260000-0x0000000000360000-memory.dmp
              Filesize

              1024KB

            • memory/2524-7-0x00000000004C0000-0x0000000000552000-memory.dmp
              Filesize

              584KB

            • memory/2524-0-0x00000000004C0000-0x0000000000552000-memory.dmp
              Filesize

              584KB

            • memory/2524-3-0x0000000001CE0000-0x0000000001DFB000-memory.dmp
              Filesize

              1.1MB

            • memory/2524-1-0x00000000004C0000-0x0000000000552000-memory.dmp
              Filesize

              584KB

            • memory/2612-33-0x0000000000220000-0x00000000002B2000-memory.dmp
              Filesize

              584KB

            • memory/2612-29-0x0000000000220000-0x00000000002B2000-memory.dmp
              Filesize

              584KB

            • memory/2664-56-0x0000000000400000-0x0000000000537000-memory.dmp
              Filesize

              1.2MB

            • memory/2664-54-0x0000000000400000-0x0000000000537000-memory.dmp
              Filesize

              1.2MB

            • memory/2664-227-0x0000000000400000-0x0000000000537000-memory.dmp
              Filesize

              1.2MB

            • memory/2664-35-0x0000000000400000-0x0000000000537000-memory.dmp
              Filesize

              1.2MB

            • memory/2664-36-0x0000000000400000-0x0000000000537000-memory.dmp
              Filesize

              1.2MB

            • memory/2664-58-0x0000000000400000-0x0000000000537000-memory.dmp
              Filesize

              1.2MB

            • memory/2664-49-0x0000000000400000-0x0000000000537000-memory.dmp
              Filesize

              1.2MB

            • memory/2664-50-0x0000000000400000-0x0000000000537000-memory.dmp
              Filesize

              1.2MB

            • memory/2664-57-0x0000000000400000-0x0000000000537000-memory.dmp
              Filesize

              1.2MB

            • memory/2708-83-0x0000000000400000-0x000000000065E000-memory.dmp
              Filesize

              2.4MB

            • memory/2708-92-0x0000000000400000-0x000000000065E000-memory.dmp
              Filesize

              2.4MB

            • memory/2708-90-0x0000000000400000-0x000000000065E000-memory.dmp
              Filesize

              2.4MB

            • memory/2708-76-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
              Filesize

              4KB

            • memory/2708-78-0x0000000000400000-0x000000000065E000-memory.dmp
              Filesize

              2.4MB

            • memory/2708-214-0x0000000000400000-0x000000000065E000-memory.dmp
              Filesize

              2.4MB

            • memory/2708-85-0x0000000000400000-0x000000000065E000-memory.dmp
              Filesize

              2.4MB