Analysis

  • max time kernel
    120s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    21-12-2023 23:29

General

  • Target

    25b2a9e2861162f3cb6131451508537a.exe

  • Size

    858KB

  • MD5

    25b2a9e2861162f3cb6131451508537a

  • SHA1

    80f2a95ef9a3893eb6f43b610f379c01ef05d845

  • SHA256

    d785b16f811cb9c93968e0e03c88859aac76643ec2b2d2b4cec7a11ed41a6844

  • SHA512

    8e802051c27f7bab5a79a5de462bf88efc49f393ebf4c3931fa8d2afebf4e92106b1b165ec548bb846e853b43fb6ef31ce5ed8ee7829fcb56ce5bfb81ddd811c

  • SSDEEP

    12288:hAgvTojPDEYH82cRj/WqOH5F2s2bJCried/7LGcofwDyR8b/z:6EojPlH8Pda5F+1CFGcLDyw

Score
10/10

Malware Config

Extracted

Family

blustealer

Credentials

  • Protocol:
    smtp
  • Host:
    mail.starkgulf.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    info123#

Signatures

  • BluStealer

    A Modular information stealer written in Visual Basic.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25b2a9e2861162f3cb6131451508537a.exe
    "C:\Users\Admin\AppData\Local\Temp\25b2a9e2861162f3cb6131451508537a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2368
    • C:\Users\Admin\AppData\Local\Temp\25b2a9e2861162f3cb6131451508537a.exe
      "C:\Users\Admin\AppData\Local\Temp\25b2a9e2861162f3cb6131451508537a.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:3036

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2368-21-0x0000000074560000-0x0000000074C4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2368-1-0x0000000074560000-0x0000000074C4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2368-2-0x0000000004D40000-0x0000000004D80000-memory.dmp

    Filesize

    256KB

  • memory/2368-3-0x00000000005D0000-0x00000000005EC000-memory.dmp

    Filesize

    112KB

  • memory/2368-4-0x0000000074560000-0x0000000074C4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2368-5-0x0000000004D40000-0x0000000004D80000-memory.dmp

    Filesize

    256KB

  • memory/2368-6-0x0000000005450000-0x00000000054E6000-memory.dmp

    Filesize

    600KB

  • memory/2368-7-0x0000000005010000-0x0000000005072000-memory.dmp

    Filesize

    392KB

  • memory/2368-0-0x0000000001010000-0x00000000010EC000-memory.dmp

    Filesize

    880KB

  • memory/3036-8-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3036-12-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3036-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3036-18-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3036-20-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3036-10-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3036-24-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB