Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 06:35

General

  • Target

    0c03f1eb9aa87628b0a03ff14c094c00.exe

  • Size

    156KB

  • MD5

    0c03f1eb9aa87628b0a03ff14c094c00

  • SHA1

    a9ce55235bf5c872b63c850ddb5b2e321392a80b

  • SHA256

    b87eea4264cff25b8b6109fcf07691d18875ba3877eef38a1c6041411b998971

  • SHA512

    750dc87ed40b2e3e736f1315d60470fcf3c804664fa0e4bf4649e481dfc2625abe472c03954b69bf3129ed8cad035ec010b39164d53d1bc9d341d500b6ce1cc7

  • SSDEEP

    3072:8noxLF6OpMS7yJuu4TrVlpT3rZy93E3ipMdIyH+Y8DuALIXTa4oQZiENa:/x0fJuu4l3rZy93UipMd9+Y8DuZaWu

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 51 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0c03f1eb9aa87628b0a03ff14c094c00.exe
    "C:\Users\Admin\AppData\Local\Temp\0c03f1eb9aa87628b0a03ff14c094c00.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2232
    • C:\Users\Admin\yaoeza.exe
      "C:\Users\Admin\yaoeza.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1756

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\yaoeza.exe

    Filesize

    95KB

    MD5

    2a4b959dd6fd67bdafe8bc5d001fc162

    SHA1

    4dcf906bf2ba4ee20d4a1337cd59fa9293441196

    SHA256

    1f681d5d18ce5b2e13e9ebc8c3035ba2efe39f0ebd66f6ec91bddbe88d200648

    SHA512

    c0bfe844f20bfb51f621094bd7dc4a024444ab9d472d5c2cc530b3c66eca874c01ee1b283068555fa16497e7512c3b0afb25672e582f020ac37a7bc4591890a0

  • C:\Users\Admin\yaoeza.exe

    Filesize

    92KB

    MD5

    860901cc6faac548438ead76c0c581bf

    SHA1

    83a9ae661e7bc85e28ff949c9cfca5eda7e0cd76

    SHA256

    41cead75acd87f020917985a47fd0b7db3de2cbe598f48389c79ea7290a2aa00

    SHA512

    96867cd133fd81e46f003a3a8f8aa3b2df5f9167e0e7fb27daf24acb5d2a0359ca56a90ea04c331ea4aafc847326b9f1be021811b1c45189e42f1356033380fc

  • C:\Users\Admin\yaoeza.exe

    Filesize

    156KB

    MD5

    3bd8b9480935cbfc44a99b8250aaae4f

    SHA1

    0b09d9b9387923a20917d99ea33af57d052e07eb

    SHA256

    fe9f78ca1e8730350e4a73c88d5810428e94a4450be2cede7788a53fe48b7248

    SHA512

    66d42a8a741384102f395e6cf4c00635579a51d29b5f38ea1d6fac089351276afa3727ca8ed47326d4c6056575450cd60def28100c7fa403bfb4d4af06797cc0

  • \Users\Admin\yaoeza.exe

    Filesize

    99KB

    MD5

    31e52d8513b8125c354e610fdfdbb44d

    SHA1

    674ecd53ec2ea1605742e6239938f34b088831b4

    SHA256

    b91317de326654ad73aec7cfd94fabc11778ecf9b6c9f8be0236daad802f833b

    SHA512

    3ffdc9207f7400d2fe47ab7ac9d9fd0413190ea1196e62aa0ac92072c8a5972096769cdbdb8e767b3df4bc320d634d783afc8ebe87ae34569b68c17db965ce75