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Analysis

  • max time kernel
    159s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 13:59

General

  • Target

    23b31121cd3e5f30bd0d687dd2734c24.exe

  • Size

    585KB

  • MD5

    23b31121cd3e5f30bd0d687dd2734c24

  • SHA1

    bf3ca3a081df9ad7acbe3afbc1cee62115cb9219

  • SHA256

    4df067f43d04e4862a1e4e661296b2c9386e19009cf7432fef522bb0b3c1a402

  • SHA512

    235dc6a8c8307479a01903973c4c7098199ab17405cb972adc211c2b014461f605063b396693275c572102c7e348dcd3af45b372d2673c9fbe692a65810a8627

  • SSDEEP

    12288:4CmsgvD4TcUTxBEOBX05vNnyL+VKrkluuzx7dlmJ8M2:piDAg805vNborkluSdU12

Score
7/10

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 19 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\23b31121cd3e5f30bd0d687dd2734c24.exe
    "C:\Users\Admin\AppData\Local\Temp\23b31121cd3e5f30bd0d687dd2734c24.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    PID:4628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ish240626937\css\sdk-ui\browse.css

    Filesize

    318B

    MD5

    10c359bc980927bb66b215407ece3e66

    SHA1

    4a2fc034bf7b4e84d832b6bbd9413d2055b9ec62

    SHA256

    5b12769a75d1c755a284a73e1b8422f73d6223c23b72e5bce698c17f50185aa8

    SHA512

    ed707c6bbf5023aa147571d9d186e8348b11da6fb462de69e4135480f2e10081c416c80745411752797401660221e2040e624b5a6d3e1a57ba59cdcc009eb16c

  • C:\Users\Admin\AppData\Local\Temp\ish240626937\css\sdk-ui\checkbox.css

    Filesize

    190B

    MD5

    64773c6b0e3413c81aebc46cce8c9318

    SHA1

    50f84ef8331341b48981af82313b146863eba526

    SHA256

    b09504c1bf0486d3ec46500592b178a3a6c39284672af8815c3687cc3d29560d

    SHA512

    03e96bef74c0b3a31124c3d3c1bb78af1053a8719ca373c6b9316d63bac9545c1f4ecc2d747eb64341d8da31bc0f23da094e19c3e07ed46f65c28dc88e13bd3a

  • C:\Users\Admin\AppData\Local\Temp\ish240626937\css\sdk-ui\progress-bar.css

    Filesize

    501B

    MD5

    5ccd1d0dc39bb6ae4cd6b58f0b310eb0

    SHA1

    da659b6a37b18c26a8f7342f93c03fe649ab6344

    SHA256

    65246150423f8ef670f831b5a2ce1e924adc90e3bfbcce41e9fedbd1df8d27ff

    SHA512

    02f8eca06c0b8e69268c6aa1487ecf3a9024bce9ce757f2ac1b961df421d9121762f5f5abd5d00228f3a7416b2f21adb3a675114b32263b02fdfee9e0bd48781

  • memory/4628-145-0x0000000000B30000-0x0000000000B31000-memory.dmp

    Filesize

    4KB

  • memory/4628-148-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4628-1-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4628-2-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4628-141-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4628-142-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4628-143-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4628-144-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4628-0-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4628-146-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4628-147-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4628-3-0x0000000000B30000-0x0000000000B31000-memory.dmp

    Filesize

    4KB

  • memory/4628-150-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4628-151-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4628-152-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4628-153-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4628-154-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4628-155-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4628-156-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4628-157-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4628-158-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB