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Analysis

  • max time kernel
    140s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    02/10/2024, 01:30

General

  • Target

    2024-10-02_bc271a21da642234dd91564f4857dee9_poet-rat_snatch.exe

  • Size

    5.8MB

  • MD5

    bc271a21da642234dd91564f4857dee9

  • SHA1

    e8e46af91fdb0087136efa157e5c3102f0285a55

  • SHA256

    73a37dc9f3b1d41d8129fe57d69d21a4f829abea0e026090aa596762590ba941

  • SHA512

    d58acff3e2eb9ec31c1b57a8c7c32655895018a44beda0c3a94b7321a4397d914624e3bb31e91f0f9f6820476583ab59926be3a175fea3ba1994bf2ac02608af

  • SSDEEP

    49152:vzlnEcO3Cgrb/TbvO90d7HjmAFd4A64nsfJa/pJMBMvDF/4q4auspdkgKKhdvZfH:63CE/Xx4LKhdkjESp

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\2024-10-02_bc271a21da642234dd91564f4857dee9_poet-rat_snatch.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-02_bc271a21da642234dd91564f4857dee9_poet-rat_snatch.exe"
    1⤵
    • Drops file in Program Files directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3044
    • C:\Windows\system32\schtasks.exe
      C:\Windows\system32\schtasks.exe /CREATE /XML C:\Users\Admin\AppData\Local\Temp\DWmMhCvtIH /F /TN ChromeUpdateTaskMachinCore
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2780
    • 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:2684
      • C:\Program Files\ChromeUpdateTaskMachinCore\ChromeUpdateTaskMachinCore.exe
        "C:\Program Files\ChromeUpdateTaskMachinCore\ChromeUpdateTaskMachinCore.exe"
        3⤵
        • Executes dropped EXE
        • Modifies system certificate store
        PID:2664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab42EC.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

    Filesize

    1KB

    MD5

    b4019bd66c11277b8069f877e559c4bc

    SHA1

    4826affd6631400d83de228089b1992277095e4e

    SHA256

    0eeed1989fe37ce800a4991834f528595c5781eb5762f5702dfa54bd7751b575

    SHA512

    9c26edce2163b673ef2ec77a07dec07e1e96bb1c18ac4484edc4dc332a0837f21a04fce0b3d7f3d817f9ca6ef5bd4e56e7583791473033c2a873861ee5f0e6b1

  • C:\Users\Admin\AppData\Local\Temp\Tar42FE.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Program Files\ChromeUpdateTaskMachinCore\ChromeUpdateTaskMachinCore.exe

    Filesize

    5.8MB

    MD5

    953d6ad28408ee33130f3a7df12e1006

    SHA1

    bcf71b1b9d60388551d7f0e670c961d152521793

    SHA256

    acb78101cf4603044f4a38cb87fe5066435bc92e5c5b91da0de3f2c9450ed016

    SHA512

    4956686a4f3384e10edf693bf6b640ac8de792f0c9fbce8537a70766e4ac3dcad9dc75920b89af9e02a7ac509943345ac1c16c32d14f21341ce6e6447a8511c7