Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/02/2025, 05:17

General

  • Target

    cad5b299da8187a0f67d73489580447ef54da6993384d1789a15241be0f7f772.exe

  • Size

    41KB

  • MD5

    ae69e8808d9200fbe0e0537828b383cf

  • SHA1

    c0c4eb654cfd78d277afa0cd0cb489c34c5f5fa1

  • SHA256

    cad5b299da8187a0f67d73489580447ef54da6993384d1789a15241be0f7f772

  • SHA512

    99cfda9eb078dc3d13ca543bc08cda618c77ceb78ff633298279c70810d684ab0d7f14f0b7ad1e6e993c8c99b403b88a659042afee2490675fd49f42f16b4659

  • SSDEEP

    768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Eh6I4:e6q10k0EFjed6rqJ+6vghzwYu7vih9G8

Malware Config

Extracted

Family

blihanstealer

Mutex

pomdfghrt

Attributes
  • user_agent

    Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; CIBA; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022)

Signatures

  • BlihanStealer

    Blihan is a stealer written in C++.

  • Blihanstealer family
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cad5b299da8187a0f67d73489580447ef54da6993384d1789a15241be0f7f772.exe
    "C:\Users\Admin\AppData\Local\Temp\cad5b299da8187a0f67d73489580447ef54da6993384d1789a15241be0f7f772.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:756
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      PID:4688

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\microsofthelp.exe

          Filesize

          42KB

          MD5

          c5e85fdbf9f464950f4348c7c234d26c

          SHA1

          3d5a546ae8b365f00450fc357b896f783104e5ce

          SHA256

          82f62b21e8c830c93831d1c0043ef36cf423dc8d109743b0d7ea14ba2448f9ec

          SHA512

          e3e9acf73d88deecba0276688e73343e28415965e337087799e6fc93ec9e45bc30fda86b7ed36b51734693e549e13f5317a95eb4220b335189b63e9e334f6ae4

        • memory/756-0-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/756-6-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/4688-7-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB