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Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/01/2024, 01:06

General

  • Target

    3f81d32d422fa3445ba9b7e266cbd538.exe

  • Size

    585KB

  • MD5

    3f81d32d422fa3445ba9b7e266cbd538

  • SHA1

    7bd56aad06e8174b91af2ddb6ff8cf4385999218

  • SHA256

    5d05211885b766ee9277849db18897273ae1e8608aac4c9c98d3b4fd1c0c1b0f

  • SHA512

    efee053586a4c2aa6a41747df339d6f4a8c03623043b719fcac8a010f86703c936625080c7d8808837a2f8f2310a7014161d56a672c3058fa79db0e2e56c2383

  • SSDEEP

    12288:+CmsgvD4TcUTxBEOBX05vNnyL+VKZgwbZ6524+uBKHEkJmI58+X:LiDAg805vNboZgMZaGAMEkJmMTX

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\3f81d32d422fa3445ba9b7e266cbd538.exe
    "C:\Users\Admin\AppData\Local\Temp\3f81d32d422fa3445ba9b7e266cbd538.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    PID:4944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\ish240598625\bootstrap_19962.html

    Filesize

    156B

    MD5

    1ea9e5b417811379e874ad4870d5c51a

    SHA1

    a4bd01f828454f3619a815dbe5423b181ec4051c

    SHA256

    f076773a6e3ae0f1cee3c69232779a1aaaf05202db472040c0c8ea4a70af173a

    SHA512

    965c10d2aa5312602153338da873e8866d2782e0cf633befe5a552b770e08abf47a4d2e007cdef7010c212ebcb9fefea5610c41c7ed1553440eaeab7ddd72daa

  • C:\Users\Admin\AppData\Local\Temp\ish240598625\css\main.css

    Filesize

    3KB

    MD5

    7a363a84c673aa4d17ad69c8ca08f270

    SHA1

    80ea106c9bb0b3326d8440bb4cb05a92309e19b4

    SHA256

    dfe4de45dc8b02724a397036abffedcb31ba62c789f5609439b5a935b4dcff8c

    SHA512

    a19a12a41343337bb13f6349cd929d57da9993193fcdd4b5dafdfbef8ff4fdc458a65a6dc4eecd2c6872ccc5aaf8902bd65a61f1278253808aadc306087d4a9f

  • C:\Users\Admin\AppData\Local\Temp\ish240598625\css\sdk-ui\browse.css

    Filesize

    318B

    MD5

    10c359bc980927bb66b215407ece3e66

    SHA1

    4a2fc034bf7b4e84d832b6bbd9413d2055b9ec62

    SHA256

    5b12769a75d1c755a284a73e1b8422f73d6223c23b72e5bce698c17f50185aa8

    SHA512

    ed707c6bbf5023aa147571d9d186e8348b11da6fb462de69e4135480f2e10081c416c80745411752797401660221e2040e624b5a6d3e1a57ba59cdcc009eb16c

  • C:\Users\Admin\AppData\Local\Temp\ish240598625\css\sdk-ui\button.css

    Filesize

    417B

    MD5

    37e1ff96e084ec201f0d95feef4d5e94

    SHA1

    4ec405f2668d5d93260525ad916abafa2414cb72

    SHA256

    8e806f5b94fc294e918503c8053ef1284e4f4b1e02c7da4f4635e33ec33e0534

    SHA512

    1a8a27a92abe35edaa2c950b130579c92f0d0d87b09971843c39569cf06d407b8e896751e73452676bfad45a363f0b6dd00cb6c5faf33966880539e106b19f94

  • C:\Users\Admin\AppData\Local\Temp\ish240598625\css\sdk-ui\checkbox.css

    Filesize

    190B

    MD5

    64773c6b0e3413c81aebc46cce8c9318

    SHA1

    50f84ef8331341b48981af82313b146863eba526

    SHA256

    b09504c1bf0486d3ec46500592b178a3a6c39284672af8815c3687cc3d29560d

    SHA512

    03e96bef74c0b3a31124c3d3c1bb78af1053a8719ca373c6b9316d63bac9545c1f4ecc2d747eb64341d8da31bc0f23da094e19c3e07ed46f65c28dc88e13bd3a

  • C:\Users\Admin\AppData\Local\Temp\ish240598625\css\sdk-ui\progress-bar.css

    Filesize

    501B

    MD5

    5ccd1d0dc39bb6ae4cd6b58f0b310eb0

    SHA1

    da659b6a37b18c26a8f7342f93c03fe649ab6344

    SHA256

    65246150423f8ef670f831b5a2ce1e924adc90e3bfbcce41e9fedbd1df8d27ff

    SHA512

    02f8eca06c0b8e69268c6aa1487ecf3a9024bce9ce757f2ac1b961df421d9121762f5f5abd5d00228f3a7416b2f21adb3a675114b32263b02fdfee9e0bd48781

  • C:\Users\Admin\AppData\Local\Temp\ish240598625\images\progress-bg.png

    Filesize

    2KB

    MD5

    32a6846fe53388eb03be3ada2221297f

    SHA1

    1c1baec7b7fe7a420ccf68d3112384b44f8ba89e

    SHA256

    5c6d20c98c106bc6df49447b9939a90ba6a5e3c20d89ca0621677a7501bdb127

    SHA512

    79c4f3a72467b61c27d6e93415bae3fc61a9fde62aae4202ba8ed1de6328f5facc48092bfe57db70338a0a4b50f571d501eed04aed8b047d20aa28ee7446ce98

  • memory/4944-143-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4944-148-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4944-2-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4944-1-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4944-141-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4944-142-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4944-0-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4944-144-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4944-145-0x0000000000CA0000-0x0000000000CA1000-memory.dmp

    Filesize

    4KB

  • memory/4944-146-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4944-147-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4944-3-0x0000000000CA0000-0x0000000000CA1000-memory.dmp

    Filesize

    4KB

  • memory/4944-150-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4944-151-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4944-152-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4944-153-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4944-154-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4944-155-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4944-156-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4944-157-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/4944-158-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB