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Analysis

  • max time kernel
    149s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/09/2024, 03:13

General

  • Target

    bc1b112f9079336c7356beb89ea86eb5a060ec0ad47fdb8b2e098fedcb5529de.exe

  • Size

    62KB

  • MD5

    6aea76205d140b71fed6cb7b041eb8ab

  • SHA1

    22d59a90cfdbb53b3496b71593dc290154ca3f67

  • SHA256

    bc1b112f9079336c7356beb89ea86eb5a060ec0ad47fdb8b2e098fedcb5529de

  • SHA512

    021c54191fde31505b0902ae3ce1bece07d4332887ecb9c33f1452b2c7008ac187938749322beaa71a64da964b05fb8100849b5b7f5415b2eb889c5d4600efa0

  • SSDEEP

    768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcwBcCBcw/tio/ti2Q8Qw:V7Zf/FAxTWoJJ7TTQoQ1fw

Malware Config

Signatures

  • Renames multiple (5027) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • UPX packed file 4 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

Processes

  • C:\Users\Admin\AppData\Local\Temp\bc1b112f9079336c7356beb89ea86eb5a060ec0ad47fdb8b2e098fedcb5529de.exe
    "C:\Users\Admin\AppData\Local\Temp\bc1b112f9079336c7356beb89ea86eb5a060ec0ad47fdb8b2e098fedcb5529de.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:2896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2718105630-359604950-2820636825-1000\desktop.ini.tmp

    Filesize

    62KB

    MD5

    b92fc16fc96552c6c7df664bbce68971

    SHA1

    c1b52f94780d90a1f8a33443de07f3369d630c06

    SHA256

    4588051667098966c246b165455e1bb6807d0f7683f83f8d9351eaa51dc8163a

    SHA512

    c083df9481b1487f367bf3d05c96e155c9f05d0bf093fca3d40dde1c63eae14daec3a1717c5d5a7e2555068684d0db95c5bbdcdb4e958f39b3fcf6cd89b5a1ca

  • C:\Program Files\7-Zip\7-zip.dll.tmp

    Filesize

    161KB

    MD5

    fa3dcc4e61a7da6f808e64ae8cf27f7d

    SHA1

    9372a93b882398e54f78ffe14bd06b8de0377dad

    SHA256

    cf19d3cd953859d7fb295f1af417ef0a3fe8a489fa388f49281c7d6c30e99ea2

    SHA512

    7f75bb1e6e89d01de6d604f3d4d77b31b2719d4a67268b1f3df2e9e0d34b12bf32f5c3891ad83730123643bc5b8c295ce8a5b1d8f8b3eb8a4bdd2f3845b6754e

  • memory/2896-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2896-864-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB