Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/02/2025, 19:43

General

  • Target

    0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe

  • Size

    42KB

  • MD5

    ce8499f4482f814960ab1a3f511a980c

  • SHA1

    1d207d74b75f25a3f5296ca14a29da6e57d909e1

  • SHA256

    0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229

  • SHA512

    dce1fcb8ae9ac61c8cdfe64e336a552f11a704201dcce6ee75944c331032ab834f2116ae3aa525240210c037f38112f03d4f26d5256a74c6aab7e4b5d9749ed6

  • SSDEEP

    768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Eh6I:e6q10k0EFjed6rqJ+6vghzwYu7vih9Gs

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\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe
    "C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4988
    • 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:428

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\microsofthelp.exe

          Filesize

          42KB

          MD5

          af3408dbbd8f87aac5db6316a475db3b

          SHA1

          47d8ad9f36d15d6e00f497d888fbca7315123940

          SHA256

          a8ff03dcdc714611eabc6af162bd4463883320b86e7bcae042e41aa416252152

          SHA512

          b6176ff811dcb15c96ddfac0ed070d56b885c7c627c1b3c4933a32a08b59913b3647668762c5d4c16840e30b54ba77098afc23b8a2630ee815cacd0f840ad587

        • memory/428-7-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/4988-0-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/4988-5-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB