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Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    30/09/2024, 06:43

General

  • Target

    2024-09-30_604385d3d20c574bf0b48994c49e3a2d_poet-rat_snatch.exe

  • Size

    5.8MB

  • MD5

    604385d3d20c574bf0b48994c49e3a2d

  • SHA1

    4c16b3b0745986c6671df5146dd2f938516b16ed

  • SHA256

    965ab16ff40c05bdf369550d63629da28b2b95e659a9bcef283c77965678381e

  • SHA512

    e84cce4a1436577cfaac560cc014e75f764a1b9949949b4dd97defc2d85f3357b5d55d48641c2ab58e5d3cc0961c6006f75d4b47542cd9e64305e513bb5456b3

  • SSDEEP

    49152:vzlnEcO3Cgrb/TbvO90d7HjmAFd4A64nsfJa/pJMBMvDF/4q4auspdkgKKhdvZfu:63CE/Xx4LKhdknESp

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-30_604385d3d20c574bf0b48994c49e3a2d_poet-rat_snatch.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-30_604385d3d20c574bf0b48994c49e3a2d_poet-rat_snatch.exe"
    1⤵
    • Drops file in Program Files directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2732
    • C:\Windows\system32\schtasks.exe
      C:\Windows\system32\schtasks.exe /CREATE /XML C:\Users\Admin\AppData\Local\Temp\VHrGKHwlsWhGGrelGRyt /F /TN ChromeUpdateTaskMachinCore
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2840
    • C:\Windows\System32\cmd.exe
      C:\Windows\System32\cmd.exe /c "C:\Program Files\ChromeUpdateTaskMachinCore\ChromeUpdateTaskMachinCore.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2884
      • C:\Program Files\ChromeUpdateTaskMachinCore\ChromeUpdateTaskMachinCore.exe
        "C:\Program Files\ChromeUpdateTaskMachinCore\ChromeUpdateTaskMachinCore.exe"
        3⤵
        • Executes dropped EXE
        • Modifies system certificate store
        PID:2868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab8133.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar8146.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Local\Temp\VHrGKHwlsWhGGrelGRyt

    Filesize

    1KB

    MD5

    fa9abb1b81a73b8ce16f44219166da93

    SHA1

    6e36de843a7ac23ee934fc1bab975f508ab5704c

    SHA256

    ce6ec3451119af6a0f817766e94802e83c44d06caa97bd6abd0daa525c5268eb

    SHA512

    76ef6d4d208751f2e815a52ba7dd4b2df7a7ca818a38f6811987c0cb16f6f373ed5de6ba8c8d572e264a5fe965ae590d009e3f549747b3d2b6f7e1d991a8c616

  • \Program Files\ChromeUpdateTaskMachinCore\ChromeUpdateTaskMachinCore.exe

    Filesize

    5.8MB

    MD5

    fe31dfc5f2381e474d2e925aaf8ff7a2

    SHA1

    e25c4554533d9a2b0902340282fa827429d651c3

    SHA256

    a6cf352000483a399b0657c007522eb3a4c04d7f99e1c17d19633de65ed54df0

    SHA512

    968d209e0a1c4f6b746756c2e35a2fa513b2e0b3787bf8678123e44eaef87fe107a5379ad3e83cfcde3f56f0ac1140275d9e9144fcfc07912e88e98a2b66cba2