Analysis

  • max time kernel
    144s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2023, 22:26

General

  • Target

    07adcefd483a8c67b9fa78f448d6f10b9d2ebef4f2a3d84cd492ffc30a094943_JC.exe

  • Size

    775KB

  • MD5

    0b9ccbc1aa5f1bb99e66d2e5557a486e

  • SHA1

    1095f7132d3b7ebfe1fc2499e4df9423d9f8532b

  • SHA256

    07adcefd483a8c67b9fa78f448d6f10b9d2ebef4f2a3d84cd492ffc30a094943

  • SHA512

    b0ebd77a572dc8b01645a93fd4ded8e3644147c69c24204ab4e39f8e5ea28abfc6a1d9f6087a147a68c6f22d3b0bc2c26ffae39b73fc85d978d4d8f22f313bd2

  • SSDEEP

    12288:SE0D8Wqg+Qfm8LI8ii4I8mZ6eLmDNYNy7CSQQvF7Uf7V7yM0fu0r:SEHF3Am8LJiDshkNfQMF07D8u

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .ooza

  • offline_id

    dhL6XvokZotUzL67Na5WfNIBufODsob7eYc3mzt1

  • 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-XA1LckrLRP 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: 0785Okhu

rsa_pubkey.plain

Extracted

Family

vidar

Version

6.1

Botnet

13088c19c5a97b42d0d1d9573cc9f1b8

C2

https://steamcommunity.com/profiles/76561199563297648

https://t.me/twowheelfun

Attributes
  • profile_id_v2

    13088c19c5a97b42d0d1d9573cc9f1b8

  • user_agent

    Mozilla/5.0 (iPad; CPU OS 17_0_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/605.1.15

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
  • 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.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\07adcefd483a8c67b9fa78f448d6f10b9d2ebef4f2a3d84cd492ffc30a094943_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\07adcefd483a8c67b9fa78f448d6f10b9d2ebef4f2a3d84cd492ffc30a094943_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2752
    • C:\Users\Admin\AppData\Local\Temp\07adcefd483a8c67b9fa78f448d6f10b9d2ebef4f2a3d84cd492ffc30a094943_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\07adcefd483a8c67b9fa78f448d6f10b9d2ebef4f2a3d84cd492ffc30a094943_JC.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1940
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\ad1044a2-4016-42bb-836b-4760c2ad1a31" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:2504
      • C:\Users\Admin\AppData\Local\Temp\07adcefd483a8c67b9fa78f448d6f10b9d2ebef4f2a3d84cd492ffc30a094943_JC.exe
        "C:\Users\Admin\AppData\Local\Temp\07adcefd483a8c67b9fa78f448d6f10b9d2ebef4f2a3d84cd492ffc30a094943_JC.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2968
        • C:\Users\Admin\AppData\Local\Temp\07adcefd483a8c67b9fa78f448d6f10b9d2ebef4f2a3d84cd492ffc30a094943_JC.exe
          "C:\Users\Admin\AppData\Local\Temp\07adcefd483a8c67b9fa78f448d6f10b9d2ebef4f2a3d84cd492ffc30a094943_JC.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1432
          • C:\Users\Admin\AppData\Local\f729bfc3-d078-4e4e-8284-228f31f30700\build2.exe
            "C:\Users\Admin\AppData\Local\f729bfc3-d078-4e4e-8284-228f31f30700\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:1936
            • C:\Users\Admin\AppData\Local\f729bfc3-d078-4e4e-8284-228f31f30700\build2.exe
              "C:\Users\Admin\AppData\Local\f729bfc3-d078-4e4e-8284-228f31f30700\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Modifies system certificate store
              • Suspicious behavior: EnumeratesProcesses
              PID:928

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    1KB

    MD5

    0268ef551139ac7672a96e6658ce044a

    SHA1

    b005ca526faa872c8e0aeafd11e3335c28c16037

    SHA256

    417ec67ee533de68e2008cc547552d33878e0d9bedd6ceaf5572d37112bb036a

    SHA512

    5405872c99f9f88596d39057d8701ba360b498d8bbb5eb64cd5af5f8f1100e0ecdaf09ad811aa0b3fc92ddfcef05d1a14e6495868e4995af049cd3be0247860d

  • 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

    f3e2e70f131ab48a25b12e96b4fe0c30

    SHA1

    fd3a8027a1c2f037a6559bf6b24c134b090bd834

    SHA256

    2a90fea7099373ad9ea190391a394c99487ebe1dfd523a6705deb8d8f929f262

    SHA512

    b480d7d4e392c3094484fe6268566600fe04cab66a86efb67f7573660eff5218547f2827cb74e0718c3ea8fdac518fe75a70a50bc81f480c0977ec5eb58605c9

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

    Filesize

    344B

    MD5

    e3f673fbc40e09f40bd1e45165948cac

    SHA1

    582a88f9d11c12e8c17cc558b3008e6c42131d4d

    SHA256

    ec6869b92425f04442a03314da39e01914863e2e44a6acb03ce7ced4120e5e2d

    SHA512

    3f8f7913eebe3084608dcc2605eb4c9f1e2967b679a65703dd76a7f06a989374b718b68c49731725a34cf86c70d2c006c1b7338a7e2801b2faaf4d064947f9d0

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

    Filesize

    392B

    MD5

    e85039903ee29b20f84382b8ccbb0a95

    SHA1

    895152a0d7a8217293579bc66e2278ed8e84b49b

    SHA256

    1085430334fc9fc0d16860d6353160477d4d30a89a31709ff620f8de1df97cff

    SHA512

    b57fa37797ee407805899fdb954ab60447b14f0271bb173ab2b9131ea8ed0c90dff337bdc8c7f4c7a393437249eb57b38e1514bdeb067ba364a2425d82645269

  • C:\Users\Admin\AppData\Local\Temp\CabF077.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\TarA00.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • C:\Users\Admin\AppData\Local\ad1044a2-4016-42bb-836b-4760c2ad1a31\07adcefd483a8c67b9fa78f448d6f10b9d2ebef4f2a3d84cd492ffc30a094943_JC.exe

    Filesize

    775KB

    MD5

    0b9ccbc1aa5f1bb99e66d2e5557a486e

    SHA1

    1095f7132d3b7ebfe1fc2499e4df9423d9f8532b

    SHA256

    07adcefd483a8c67b9fa78f448d6f10b9d2ebef4f2a3d84cd492ffc30a094943

    SHA512

    b0ebd77a572dc8b01645a93fd4ded8e3644147c69c24204ab4e39f8e5ea28abfc6a1d9f6087a147a68c6f22d3b0bc2c26ffae39b73fc85d978d4d8f22f313bd2

  • C:\Users\Admin\AppData\Local\f729bfc3-d078-4e4e-8284-228f31f30700\build2.exe

    Filesize

    373KB

    MD5

    8012f0388cdda7870e63a5723ff24e9b

    SHA1

    08ed4dc8ded91f4aa23324b7eac56a22a883005d

    SHA256

    5f44375ddddaedfcd4f2499d3e121b7d9ee627b751f2d0914a562d35d7c9a551

    SHA512

    f59ce84fd7a3762efb919bb8474226fdb99765f80e4a40a9a66764a1502150fe40804be5363caeda6d27fdcfe44e5897a8c624db9993c2c890d83bbb660c01d3

  • C:\Users\Admin\AppData\Local\f729bfc3-d078-4e4e-8284-228f31f30700\build2.exe

    Filesize

    373KB

    MD5

    8012f0388cdda7870e63a5723ff24e9b

    SHA1

    08ed4dc8ded91f4aa23324b7eac56a22a883005d

    SHA256

    5f44375ddddaedfcd4f2499d3e121b7d9ee627b751f2d0914a562d35d7c9a551

    SHA512

    f59ce84fd7a3762efb919bb8474226fdb99765f80e4a40a9a66764a1502150fe40804be5363caeda6d27fdcfe44e5897a8c624db9993c2c890d83bbb660c01d3

  • C:\Users\Admin\AppData\Local\f729bfc3-d078-4e4e-8284-228f31f30700\build2.exe

    Filesize

    373KB

    MD5

    8012f0388cdda7870e63a5723ff24e9b

    SHA1

    08ed4dc8ded91f4aa23324b7eac56a22a883005d

    SHA256

    5f44375ddddaedfcd4f2499d3e121b7d9ee627b751f2d0914a562d35d7c9a551

    SHA512

    f59ce84fd7a3762efb919bb8474226fdb99765f80e4a40a9a66764a1502150fe40804be5363caeda6d27fdcfe44e5897a8c624db9993c2c890d83bbb660c01d3

  • C:\Users\Admin\AppData\Local\f729bfc3-d078-4e4e-8284-228f31f30700\build2.exe

    Filesize

    373KB

    MD5

    8012f0388cdda7870e63a5723ff24e9b

    SHA1

    08ed4dc8ded91f4aa23324b7eac56a22a883005d

    SHA256

    5f44375ddddaedfcd4f2499d3e121b7d9ee627b751f2d0914a562d35d7c9a551

    SHA512

    f59ce84fd7a3762efb919bb8474226fdb99765f80e4a40a9a66764a1502150fe40804be5363caeda6d27fdcfe44e5897a8c624db9993c2c890d83bbb660c01d3

  • \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\f729bfc3-d078-4e4e-8284-228f31f30700\build2.exe

    Filesize

    373KB

    MD5

    8012f0388cdda7870e63a5723ff24e9b

    SHA1

    08ed4dc8ded91f4aa23324b7eac56a22a883005d

    SHA256

    5f44375ddddaedfcd4f2499d3e121b7d9ee627b751f2d0914a562d35d7c9a551

    SHA512

    f59ce84fd7a3762efb919bb8474226fdb99765f80e4a40a9a66764a1502150fe40804be5363caeda6d27fdcfe44e5897a8c624db9993c2c890d83bbb660c01d3

  • \Users\Admin\AppData\Local\f729bfc3-d078-4e4e-8284-228f31f30700\build2.exe

    Filesize

    373KB

    MD5

    8012f0388cdda7870e63a5723ff24e9b

    SHA1

    08ed4dc8ded91f4aa23324b7eac56a22a883005d

    SHA256

    5f44375ddddaedfcd4f2499d3e121b7d9ee627b751f2d0914a562d35d7c9a551

    SHA512

    f59ce84fd7a3762efb919bb8474226fdb99765f80e4a40a9a66764a1502150fe40804be5363caeda6d27fdcfe44e5897a8c624db9993c2c890d83bbb660c01d3

  • memory/928-160-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/928-122-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/928-73-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/928-72-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/928-69-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/928-161-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/1432-174-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1432-175-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1432-36-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1432-37-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1432-165-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1432-51-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1432-172-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1432-176-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1432-50-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1432-112-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1936-67-0x0000000000220000-0x0000000000271000-memory.dmp

    Filesize

    324KB

  • memory/1936-64-0x0000000000980000-0x0000000000A80000-memory.dmp

    Filesize

    1024KB

  • memory/1940-27-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1940-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1940-9-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1940-5-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1940-8-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2752-0-0x0000000000220000-0x00000000002B1000-memory.dmp

    Filesize

    580KB

  • memory/2752-1-0x0000000000220000-0x00000000002B1000-memory.dmp

    Filesize

    580KB

  • memory/2752-2-0x0000000001FD0000-0x00000000020EB000-memory.dmp

    Filesize

    1.1MB

  • memory/2752-7-0x0000000000220000-0x00000000002B1000-memory.dmp

    Filesize

    580KB

  • memory/2968-28-0x0000000000360000-0x00000000003F1000-memory.dmp

    Filesize

    580KB

  • memory/2968-31-0x0000000000360000-0x00000000003F1000-memory.dmp

    Filesize

    580KB