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Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    24/12/2024, 19:53

General

  • Target

    ce519c88c449ba56306326bae15307bb0977e355207d57c013b8fe1ff2a0a115.exe

  • Size

    345KB

  • MD5

    8fb7e4b49fc7aac5d90fe5d9a79e059d

  • SHA1

    1e950ba32a1445db7e57d1d933d9fcbd3664a2ad

  • SHA256

    ce519c88c449ba56306326bae15307bb0977e355207d57c013b8fe1ff2a0a115

  • SHA512

    6048871d0a17b34cabbdf72d639208b90b4d54020b9e761e32a4063ca782cc910127e656f64c7bc0efd557e367108628dc536ef6c8d4e2d11d7824075f2e8a07

  • SSDEEP

    6144:BbE/HU7hZwSGv3o5OyG4q+ETeuAShYvmy4Bob6XuCBF:BbJZjGVeETeuASCe9Bw6eCb

Malware Config

Signatures

  • Guloader family
  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 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.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ce519c88c449ba56306326bae15307bb0977e355207d57c013b8fe1ff2a0a115.exe
    "C:\Users\Admin\AppData\Local\Temp\ce519c88c449ba56306326bae15307bb0977e355207d57c013b8fe1ff2a0a115.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2192
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 664
      2⤵
      • Program crash
      PID:2520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsoC8AD.tmp\System.dll

    Filesize

    12KB

    MD5

    cff85c549d536f651d4fb8387f1976f2

    SHA1

    d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

    SHA256

    8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

    SHA512

    531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

  • memory/2192-20-0x0000000003C60000-0x0000000003D60000-memory.dmp

    Filesize

    1024KB

  • memory/2192-21-0x0000000003C60000-0x0000000003D60000-memory.dmp

    Filesize

    1024KB