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Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/12/2023, 20:48

General

  • Target

    0399bec4f88115dca81b3e97a46e8a38.exe

  • Size

    200KB

  • MD5

    0399bec4f88115dca81b3e97a46e8a38

  • SHA1

    66430ce41f37ce136e0ddc30a7ee0fe29bed31c3

  • SHA256

    90949e070ad62d50b215f3d9392a83864708bee6cc88379f121a1a2280d26c8d

  • SHA512

    43c9472b4ca86b9935cecf98cacd71de0e94fea879d934eecbbed0f6fabef64085603c0b469d97ae19487ca86deed28e9273292b92b67ccf2ba277d1195138d8

  • SSDEEP

    6144:28Q7Knvmb7/D26rfo9Am26fBXMZ8R3FXjrCTYTQdq4qJUGQBSpYCbwmB:DQ7Knvmb7/D26zZ8R3FXjrC8T8q4qJgG

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0399bec4f88115dca81b3e97a46e8a38.exe
    "C:\Users\Admin\AppData\Local\Temp\0399bec4f88115dca81b3e97a46e8a38.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4124
    • C:\Users\Admin\xealaoh.exe
      "C:\Users\Admin\xealaoh.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:4552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\xealaoh.exe

    Filesize

    200KB

    MD5

    4a11113f30b0b04fb18ed2aa9e7fe66a

    SHA1

    541ddef0770b4278f1bf9bbd0b7eb8f4e7b888cf

    SHA256

    38d2a2308684222e6954efd9a9f5869307874b571e8e811bf54e1b6cfd8cb9fb

    SHA512

    2df9a5bc73bb0a132781e46913483d99e05f0cadf58e0c52e078ce0622b971fe9ed681c58cb71e4b39b0832eb08ff7f55e5410ebb85bce2c04565edd774fce03

  • memory/4124-0-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/4124-25-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/4552-22-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/4552-26-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB