Analysis

  • max time kernel
    33s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20230712-es
  • resource tags

    arch:x64arch:x86image:win7-20230712-eslocale:es-esos:windows7-x64systemwindows
  • submitted
    16-07-2023 03:52

General

  • Target

    70fa0912521fe919667f8ba2ab28d1e0239b48d860fe7ce0ac7637b4b7282c45.exe

  • Size

    1.4MB

  • MD5

    ed164e11ea8f141236b6196dac5bd879

  • SHA1

    d06277b3d82a10ffeced147870a1c7cc65947ae0

  • SHA256

    70fa0912521fe919667f8ba2ab28d1e0239b48d860fe7ce0ac7637b4b7282c45

  • SHA512

    996973f75d75a179091211a3d86f91138565add95f7d34089d9610fcfc4ba228c91d1fc830f2f49146db4752270c51702caaf4513fe6cd15df5f5a84427bdd55

  • SSDEEP

    24576:7fdsbW0F+Rhk0JgdIpsiwO/QGoWP2qQF+2:O6k0i2qAQGoie

Score
10/10

Malware Config

Extracted

Family

blustealer

Credentials

  • Protocol:
    smtp
  • Host:
    mail.aakarveneers.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    milin@1982

Signatures

  • BluStealer

    A Modular information stealer written in Visual Basic.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\70fa0912521fe919667f8ba2ab28d1e0239b48d860fe7ce0ac7637b4b7282c45.exe
    "C:\Users\Admin\AppData\Local\Temp\70fa0912521fe919667f8ba2ab28d1e0239b48d860fe7ce0ac7637b4b7282c45.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1184
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YNkcJQK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1CA5.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2980
    • C:\Users\Admin\AppData\Local\Temp\70fa0912521fe919667f8ba2ab28d1e0239b48d860fe7ce0ac7637b4b7282c45.exe
      "C:\Users\Admin\AppData\Local\Temp\70fa0912521fe919667f8ba2ab28d1e0239b48d860fe7ce0ac7637b4b7282c45.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:3068

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1184-78-0x0000000073DC0000-0x00000000744AE000-memory.dmp

    Filesize

    6.9MB

  • memory/1184-54-0x0000000000090000-0x00000000001F4000-memory.dmp

    Filesize

    1.4MB

  • memory/1184-56-0x0000000004510000-0x0000000004550000-memory.dmp

    Filesize

    256KB

  • memory/1184-57-0x00000000003F0000-0x00000000003FC000-memory.dmp

    Filesize

    48KB

  • memory/1184-58-0x0000000073DC0000-0x00000000744AE000-memory.dmp

    Filesize

    6.9MB

  • memory/1184-59-0x0000000004510000-0x0000000004550000-memory.dmp

    Filesize

    256KB

  • memory/1184-60-0x000000000A320000-0x000000000A3C2000-memory.dmp

    Filesize

    648KB

  • memory/1184-61-0x000000000A3C0000-0x000000000A430000-memory.dmp

    Filesize

    448KB

  • memory/1184-55-0x0000000073DC0000-0x00000000744AE000-memory.dmp

    Filesize

    6.9MB

  • memory/3068-67-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/3068-71-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/3068-73-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3068-75-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/3068-77-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/3068-69-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/3068-81-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB