Analysis

  • max time kernel
    142s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    30-07-2024 19:44

General

  • Target

    be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe

  • Size

    742KB

  • MD5

    13fd90197ba55324bd01b9fa97f5295a

  • SHA1

    313ac91a6ea6e75c0fe75f65d1254905491b59f6

  • SHA256

    be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e

  • SHA512

    a2d7a2b666f712b57f1cbed89598ad783589b93d4e0b67ccbe5d8ac4f8b3faf18c704a5606953319090dbf974f5cd9bc600ee3b7695c47cc92db5d9a8227f6fb

  • SSDEEP

    12288:hx2+AAPYnxYN43oEFdodmbI+9KvWzFk0QCsX5D7rIOpw9:hx2MYnxsSDd4L+9KOzWdCI5D7EOa9

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test2/get.php

Attributes
  • extension

    .qapo

  • offline_id

    VrBq0iLIRHjQLgVRLsN1WK8yFkTCRDCCvPkwnHt1

  • payload_url

    http://uaery.top/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-zUVSNg4KRZ 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: 0663Iopd

rsa_pubkey.plain

Signatures

  • Detected Djvu ransomware 17 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

  • Modifies file permissions 1 TTPs 1 IoCs
  • 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
    "C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2716
    • C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
      "C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2796
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\f0f35287-f3b7-4b3f-9c3b-20946ce80cb3" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:2568
      • C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
        "C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2600
        • C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
          "C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:3068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12

    Filesize

    1KB

    MD5

    7fb5fa1534dcf77f2125b2403b30a0ee

    SHA1

    365d96812a69ac0a4611ea4b70a3f306576cc3ea

    SHA256

    33a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f

    SHA512

    a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8

    Filesize

    436B

    MD5

    971c514f84bba0785f80aa1c23edfd79

    SHA1

    732acea710a87530c6b08ecdf32a110d254a54c8

    SHA256

    f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895

    SHA512

    43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12

    Filesize

    174B

    MD5

    66c4f0a4de4aafd929c83a4ea7a91e0b

    SHA1

    99c9cb981478cc83847f823127f50c64b088e898

    SHA256

    35e65820fcb033d502160dd8bdb8ceb3c50e682d544a2ac02c6a8a9a789e00ef

    SHA512

    57c3dbe2e60eb306ff5a9f0e97edf5839e7640bdee5f71b07b1f46a1e49e642ccf10871c01ab9531c56f39bd1bf682621e6627f675504d5c2b3d5451d27a7c2b

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

    Filesize

    342B

    MD5

    e57eb52a3be1a154f71b7959f3f0c4e2

    SHA1

    0752169a7181dae966810eb0182af3cbd4fecef2

    SHA256

    e108ef774a06f1a9a2e2f4b94362df3cc2b2e860af47124bd183dbc82043a1cc

    SHA512

    b0b640ae16bcc15a379ea32d60d9cf5a1dc8569c9cf7eb1e93d57b46f913932890effae8f66fb7e689639dd612b585b691af102aa9c475dde494d153d489bbc9

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8

    Filesize

    170B

    MD5

    c86970e9a9af6990148b3947eabbd813

    SHA1

    4f2e38a91895c3494fc2e25575b561862907cde8

    SHA256

    cb4abbdcd1a2c201ccbd197520e9bc29055d66a18802e5c9c22ce25a5a79a8e9

    SHA512

    542cd4ed5273725108ef855826e52dfe636cdaf570203da68a91928e732552b71ad835047ff0a9de44188b64bef3a7cd1a59076db4342f671859d6ab1ca35f07

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\YUF3ZB4A\get[1].php

    Filesize

    437B

    MD5

    6910426a598bc0b07dd6ca7c2faf5c22

    SHA1

    4304d65a08652b167453997e1464cc6ef034be23

    SHA256

    ebfef207462c29030b8a06068c8cbf1cfeae1304813b9cdbfa2d705b314bf692

    SHA512

    5e96757fa5daa336968aa07d5fe5525040a081a547dd6bad55bed4539ad76b3f96aabd38f461efdafa4a427963b2a3187cc40dfa60c74e6c6ddf738176381952

  • C:\Users\Admin\AppData\Local\Temp\Cab28E4.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\bowsakkdestx.txt

    Filesize

    449B

    MD5

    caa078f0348cda98328127c142e3bfed

    SHA1

    e38274d642c806a3affcca8f7e37b61f591c47e6

    SHA256

    91faeb982f34313750a83d74c5464abe4e01357d1a7ea4253973509bc0e9d219

    SHA512

    2e6a5c482b5226079c6b4bd9a706537c372a3b43962f64be6bdd281e3217f963316ef0eba38164890bdf14af6558eb26605320487f0a0c841be9bb813c2ee5d6

  • C:\Users\Admin\AppData\Local\f0f35287-f3b7-4b3f-9c3b-20946ce80cb3\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe

    Filesize

    742KB

    MD5

    13fd90197ba55324bd01b9fa97f5295a

    SHA1

    313ac91a6ea6e75c0fe75f65d1254905491b59f6

    SHA256

    be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e

    SHA512

    a2d7a2b666f712b57f1cbed89598ad783589b93d4e0b67ccbe5d8ac4f8b3faf18c704a5606953319090dbf974f5cd9bc600ee3b7695c47cc92db5d9a8227f6fb

  • memory/2600-79-0x0000000000400000-0x0000000000539000-memory.dmp

    Filesize

    1.2MB

  • memory/2600-36-0x0000000000400000-0x0000000000539000-memory.dmp

    Filesize

    1.2MB

  • memory/2600-30-0x0000000000280000-0x0000000000312000-memory.dmp

    Filesize

    584KB

  • memory/2716-5-0x0000000000310000-0x00000000003A2000-memory.dmp

    Filesize

    584KB

  • memory/2716-6-0x0000000001E80000-0x0000000001F9B000-memory.dmp

    Filesize

    1.1MB

  • memory/2716-0-0x0000000000310000-0x00000000003A2000-memory.dmp

    Filesize

    584KB

  • memory/2796-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2796-7-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2796-8-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2796-28-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2796-3-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3068-53-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3068-52-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3068-67-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3068-37-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3068-73-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3068-35-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3068-82-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3068-83-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3068-80-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3068-84-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3068-85-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB