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Resubmissions

15/05/2024, 10:41

240515-mq534sde5y 8

15/05/2024, 10:29

240515-mjl2nadd29 7

15/05/2024, 10:22

240515-mefdbach6z 7

Analysis

  • max time kernel
    93s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/05/2024, 10:22

General

  • Target

    Zulu2021_x64_ru.exe

  • Size

    286.0MB

  • MD5

    bc34b12d23bb0ece6d8dabb39b3660bd

  • SHA1

    92b5b62989f6a8a7e7ee7d2875440f2ed1dfc8e9

  • SHA256

    be9abebaebdf278b74184f318cd474b64ef0b95cd3fc09e490c3f785c8b26261

  • SHA512

    29885117c1293e0b2da6e92209b996d6bce9e5a85522c6dd4029b47703dad8bfd74b83d8833d20c6afd3b431128a2340c3c3ca554e94e3716a3c7010a2a0ce3f

  • SSDEEP

    6291456:xcu6yi759eECcJrCzfLUKw34AuY6QEA6x8D3JrfRqvzhVmAqUum46Jw:xcu6zeEC+rCjLdw3H6QRdD3Jr5qvV49n

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Zulu2021_x64_ru.exe
    "C:\Users\Admin\AppData\Local\Temp\Zulu2021_x64_ru.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2992
    • C:\Windows\Temp\{60473AA0-44AA-4E22-B092-AD78CCEC1191}\.cr\Zulu2021_x64_ru.exe
      "C:\Windows\Temp\{60473AA0-44AA-4E22-B092-AD78CCEC1191}\.cr\Zulu2021_x64_ru.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\Zulu2021_x64_ru.exe" -burn.filehandle.attached=532 -burn.filehandle.self=540
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Temp\{60473AA0-44AA-4E22-B092-AD78CCEC1191}\.cr\Zulu2021_x64_ru.exe

    Filesize

    577KB

    MD5

    9b0fad51efad983c4da36029b22066ae

    SHA1

    2094a7f5a7e64798506cc69cb147c6f12ac52607

    SHA256

    5b3b9ad249bd7e87442ec1a2334112aa2f2d5992c55ae853df4f5172da49619c

    SHA512

    481a19bc947e1f74224f182cd53997754d5599481a90c187950c937dc093e5f9601c6fea90a51ab46141b6eb6fb62c405b6a39cdd04513d714e95a6d73615973

  • C:\Windows\Temp\{E4CAAB91-95BA-4E17-9821-109617CCF118}\.ba\logo.png

    Filesize

    7KB

    MD5

    09b709e42189d3828bb32e129fddc03a

    SHA1

    56e95370abd0a3bbed837fca54f179665ee070e8

    SHA256

    4ebe86e1e02fdada37afbf3c8475dcd26470ac72e1aca3f924165e0ff6349a73

    SHA512

    2c4b563ba98a89868952e5977e8dfe1e88c13e0cf43321a353fed9ed19ddb8243b0cdd8ce192e0f56ee2d04b30d5edbb41f820f7f391aab8cd9ea4fb43b165e3

  • C:\Windows\Temp\{E4CAAB91-95BA-4E17-9821-109617CCF118}\.ba\wixstdba.dll

    Filesize

    184KB

    MD5

    fe7e0bd53f52e6630473c31299a49fdd

    SHA1

    f706f45768bfb95f4c96dfa0be36df57aa863898

    SHA256

    2bea14d70943a42d344e09b7c9de5562fa7e109946e1c615dd584da30d06cc80

    SHA512

    feed48286b1e182996a3664f0facdf42aae3692d3d938ea004350c85764db7a0bea996dfddf7a77149c0d4b8b776fb544e8b1ce5e9944086a5b1ed6a8a239a3c