Analysis

  • max time kernel
    16s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    30-06-2024 20:04

General

  • Target

    2024-06-30_a962d2f019c5b53b1a14f1c66a2bda49_poet-rat_snatch.exe

  • Size

    5.8MB

  • MD5

    a962d2f019c5b53b1a14f1c66a2bda49

  • SHA1

    94ccaff3fa4228d80774c3c4c4e0b993183d98b4

  • SHA256

    1bb6747636ab5a4ae0b3075d85e352c1734fec25b0641fc2595c30456197a233

  • SHA512

    b898133fbda588cfa0e272bdd5651c1c23bd9b43adb1a454dfac8fd792c0045b341e9262cd6a2ba0da85999a9229c57fb5b423e33b22cc7ae880a3e695d07816

  • SSDEEP

    49152:vzlnEcO3Cgrb/TbvO90d7HjmAFd4A64nsfJa/pJMBMvDF/4q4auspdkgKKhdvZfF:63CE/Xx4LKhdkYESp

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 6 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\2024-06-30_a962d2f019c5b53b1a14f1c66a2bda49_poet-rat_snatch.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-30_a962d2f019c5b53b1a14f1c66a2bda49_poet-rat_snatch.exe"
    1⤵
    • Drops file in Program Files directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1860
    • C:\Windows\system32\schtasks.exe
      C:\Windows\system32\schtasks.exe /CREATE /XML C:\Users\Admin\AppData\Local\Temp\rXjzRMtuXcyCzSIbpy /F /TN ChromeUpdateTaskMachinCore
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:3032
    • 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:2600
      • C:\Program Files\ChromeUpdateTaskMachinCore\ChromeUpdateTaskMachinCore.exe
        "C:\Program Files\ChromeUpdateTaskMachinCore\ChromeUpdateTaskMachinCore.exe"
        3⤵
        • Executes dropped EXE
        • Modifies system certificate store
        PID:2656

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\ChromeUpdateTaskMachinCore\ChromeUpdateTaskMachinCore.exe

    Filesize

    5.8MB

    MD5

    b10be1fa0c7552f81f65fc6d8792ab11

    SHA1

    1fb3506de040cde8173c3836213c175b346e29e2

    SHA256

    71e4c40d4d4500c9d35738ed3d39c769efd344243a3497e0bb46d7f4f6b90f23

    SHA512

    f2cd4d7ffb7087f503af355843df289cc74a43c757799c59fe403363d3e0406f37081cddf9383b927ecb8839ba004280e7af4c121ddd6202824b8d571bebbe10

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

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

    Filesize

    342B

    MD5

    5f9f2e0404f862d3d359f1d54a0fc17b

    SHA1

    7dbb9575c1d03a53b2c6902d83bb3addb7ad17cc

    SHA256

    6ce4eb7dd891920a711dec802e8767e7c51b7071c3e12d4572284af32704a95e

    SHA512

    8332364c14e1d4996a642090256ebb67af74a3e3b82e170ab7b7c37ac7a6f9f4a236c90f970b0e7c2b409e52277f61c8bfafbcfc4f9e355eda51925bb552327c

  • C:\Users\Admin\AppData\Local\Temp\Cab1306.tmp

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\Tar138A.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    1KB

    MD5

    aaa371e61cca9bbcd9b6571961b95d31

    SHA1

    c36262aeba6bae85aebc1bc1fe32f149cec70616

    SHA256

    4a1157305aa5f0e1e376d1ab4e9313bb17ef1d6e5ae5ce5748bb851cc8cfc391

    SHA512

    46d7da8baa9a54a9ebef058e230ffff0eb8d35e3a4b8409492a974cf959753b23ccabdc1f5453effcfa3c5fbd51552183adbf6b5c1c0ed7b84857e6bbd64c650