Analysis

  • max time kernel
    170s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2023 07:59

General

  • Target

    108ff0a2c8d843f6a6b1907519064b1e.exe

  • Size

    338KB

  • MD5

    108ff0a2c8d843f6a6b1907519064b1e

  • SHA1

    b3fc0a1f1434c7b1241d1836609f23a4226a252e

  • SHA256

    39c82fe3e44d43caeab9be58dea222a58370fbf4892d7b6b702cea4078f5a158

  • SHA512

    e44a41df2f3f3bfdc9ad04603b0f257c48080e354aa494afe4c244ffca1f02fb1f96e0cc7863bf05bd968dd6f87a57dc967e5a078ee63edd8235017e7011091f

  • SSDEEP

    6144:6S+QH6yN8wfRe3q+2ZYbO2PY/eQanlrUwtZKt3/vbfMcOAtBHvsLEMC:0E6y66e3N272PYXZwtZKt/vbMj01vsLE

Malware Config

Signatures

  • UPX packed file 4 IoCs

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

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\108ff0a2c8d843f6a6b1907519064b1e.exe
    "C:\Users\Admin\AppData\Local\Temp\108ff0a2c8d843f6a6b1907519064b1e.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • 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\CabE55.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar176C.tmp

    Filesize

    109KB

    MD5

    09b21aadf60601c58ff356919ea1761f

    SHA1

    146386416c9f077f8ebeada0c1bd43276911a9f8

    SHA256

    972b54d72930add034eb2a3c731c08c7d4a4e5600de79ac8d502bdaf27413d93

    SHA512

    53d5351d5e5f5b2677a9b112e0a56d2bbb2ec5da3f64298bda24d0cdf827dac8314d5a8fb16bbf8b69f0e3d3ec02cd9231f2a7cddb82fea7dfba003c9a77eada

  • memory/2664-0-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB

  • memory/2664-17-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB

  • memory/2664-62-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB

  • memory/2664-68-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB