Analysis

  • max time kernel
    120s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    06-07-2024 21:30

General

  • Target

    file.exe

  • Size

    206KB

  • MD5

    7debc473f9ec83c3d000a57466eab9b2

  • SHA1

    5dbb4eff8d72becf6d4050a97907a07190e4f6db

  • SHA256

    177522949060fb57da49ff445edd38f2fef86c30d86603b3438b874635fbde01

  • SHA512

    b6afa39d0ec0bfe7ca626b8952b6a605e4b79476539cd238cc03bac17b42ecd4b420cf34fb2c74cf1557008baa5e32cb876031e1a930875b78162331fbc4dad9

  • SSDEEP

    3072:1TQm3axZbvWtCyEwVt2IUE5iujhGzCLEoFreNsagz6p9ufGol:mmqHbv+EwiIf5ykEoFlMufG

Malware Config

Signatures

  • Downloads MZ/PE file
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • 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.

  • Delays execution with timeout.exe 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2168
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\KKKJKEBKFCAA" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1520
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 10
        3⤵
        • Delays execution with timeout.exe
        PID:2668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    342B

    MD5

    0e4c75a6c2016c530fbfe098e24196f9

    SHA1

    c1acf52e15d047a9b8065539bea1594f2d079dd0

    SHA256

    c0a82c108c976a001762e34b1503272a3bc33e3a2eb5eee142b692197944dc1f

    SHA512

    8e0a940d0511d271a022df0e90c6cc8aa2914abcb5800dac050002a3f1676b34836380b35d834156dde8d6507707a060719ca86f162f518658a14de09f87ce6c

  • C:\Users\Admin\AppData\Local\Temp\CabFC4B.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarFC9C.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/2168-170-0x000000001DE90000-0x000000001E0EF000-memory.dmp

    Filesize

    2.4MB