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Analysis

  • max time kernel
    120s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/10/2024, 03:22

General

  • Target

    ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe

  • Size

    63KB

  • MD5

    7d64d8af10d2c3315074087f17317870

  • SHA1

    be7fefd19d3b04b9f1708743c9b5ec68a23b8d11

  • SHA256

    ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0a

  • SHA512

    b3a6dce90b590fc3cbdf4076e0e5dd933718fb62695c18200ab79c8c3f657488186b586390d08c5e3d7cfeb1bebae34536963ce8e8b108b367c4f6e56c877738

  • SSDEEP

    768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcwBcCBcw/tio/ti0oj1O4iz:V7Zf/FAxTWoJJ7TTQoQ/IXb7n

Malware Config

Signatures

  • Renames multiple (4320) 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\ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe
    "C:\Users\Admin\AppData\Local\Temp\ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:1116

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2045521122-590294423-3465680274-1000\desktop.ini.tmp

    Filesize

    63KB

    MD5

    ea6faf177ab8e0cfa8b6ec1eb76309a7

    SHA1

    6bb1eb3deaee48986c3b4d9039ac05df0d9058d2

    SHA256

    8b3f4963761c059129b4c7776c8871340a55ae1cc718c26908fe71f9c66e4541

    SHA512

    107ca6cbd4d18cd62a731ea14956d9c391c78b6f8c22c40cb470d3e1f69d7dd3db97fe21d1cb58d22743864afbed6c18dc9a9425badd3102ec7fbe23a8653338

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

    Filesize

    162KB

    MD5

    a00040e69611f178ea839d79a8de956c

    SHA1

    b34c0d18bb4d2ec73ff2a3851fae056f199e76b0

    SHA256

    1b042de0ffb6e09197327da9dae48708b210b359f9d62de1ed65eaa7732118dd

    SHA512

    e2c3ec48ccbb89c846e54e4b30c1111cd946493edc4af431950e5944a0c9d90793f3803c1683f74c0af4580bc61b85b8071bdd4fe6903acdfe92bdb3a5ad3eea

  • memory/1116-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1116-658-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB