Analysis

  • max time kernel
    177s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2022 11:45

General

  • Target

    8f45656097fca42ad2fc7a5563bee888c728deba50d9e3eb774f45e548e692ec.exe

  • Size

    14KB

  • MD5

    048c6338f3bb1a7891a9b426c29c3620

  • SHA1

    191ca600c94a228ba0716ba72db18d2c85471798

  • SHA256

    8f45656097fca42ad2fc7a5563bee888c728deba50d9e3eb774f45e548e692ec

  • SHA512

    a0310e4bf437cb2db1b762ae36d28b047aef384c7aa548e241520bd01716da3d7ea5547de04d05d46cad5242969769c5117f3dbb39ecc17e8adc932d70647d54

  • SSDEEP

    192:1NAtZlapNx2/znB49btUwTEmN2J8Cl1oynPJPbwgzmXOA/RUSo9LpaT:1NIzB/LB6fil1FRbNz7AJ9o9LpO

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 10 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f45656097fca42ad2fc7a5563bee888c728deba50d9e3eb774f45e548e692ec.exe
    "C:\Users\Admin\AppData\Local\Temp\8f45656097fca42ad2fc7a5563bee888c728deba50d9e3eb774f45e548e692ec.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:956
    • C:\Users\Admin\AppData\Local\Temp\ieupdater.exe
      "C:\Users\Admin\AppData\Local\Temp\ieupdater.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:1532

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ieupdater.exe

    Filesize

    14KB

    MD5

    899b628345164b02f1ef6b38d90d927a

    SHA1

    62c29c7b5b064ab1f640765374d2fc923fc40c99

    SHA256

    4ca214f9e84597deb7ec65d18421a7028c6904660939f9ef306d6d8a90aff9a0

    SHA512

    8df9fd79d24b77da2b25516fd6da277bc4cc7bae925a5b143269512c6683f3af0b607e914c0d4a1f7934d72ae2c857bc7f4748db6a1755cd5b370261701fa324

  • C:\Users\Admin\AppData\Local\Temp\ieupdater.exe

    Filesize

    14KB

    MD5

    899b628345164b02f1ef6b38d90d927a

    SHA1

    62c29c7b5b064ab1f640765374d2fc923fc40c99

    SHA256

    4ca214f9e84597deb7ec65d18421a7028c6904660939f9ef306d6d8a90aff9a0

    SHA512

    8df9fd79d24b77da2b25516fd6da277bc4cc7bae925a5b143269512c6683f3af0b607e914c0d4a1f7934d72ae2c857bc7f4748db6a1755cd5b370261701fa324

  • \Users\Admin\AppData\Local\Temp\ieupdater.exe

    Filesize

    14KB

    MD5

    899b628345164b02f1ef6b38d90d927a

    SHA1

    62c29c7b5b064ab1f640765374d2fc923fc40c99

    SHA256

    4ca214f9e84597deb7ec65d18421a7028c6904660939f9ef306d6d8a90aff9a0

    SHA512

    8df9fd79d24b77da2b25516fd6da277bc4cc7bae925a5b143269512c6683f3af0b607e914c0d4a1f7934d72ae2c857bc7f4748db6a1755cd5b370261701fa324

  • memory/956-54-0x0000000076091000-0x0000000076093000-memory.dmp

    Filesize

    8KB

  • memory/1532-56-0x0000000000000000-mapping.dmp