Analysis

  • max time kernel
    149s
  • max time network
    146s
  • 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, 21:02

General

  • Target

    26a9e26286604b01a798573f56a9d50d693b9db54bd509c7963721ec120ebbae.exe

  • Size

    56KB

  • MD5

    0a083f31fc3ed7f8d0772aeb4b84dba5

  • SHA1

    f12a74a6754f7fbad6b96b1b281928f4a322b4fb

  • SHA256

    26a9e26286604b01a798573f56a9d50d693b9db54bd509c7963721ec120ebbae

  • SHA512

    00f4078f6f5373df4f17abcdc34c03c1ef92d12a55b40021e598047029f46ecce9968deeb040c9f76b87e087432b76bb9535906c5f1aa1af20386a60ae64310d

  • SSDEEP

    1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+Eh6IbRJhhqHihIho7hl:E1oEFlt6vghzwYu7vih9GueIh9j2IoHN

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\26a9e26286604b01a798573f56a9d50d693b9db54bd509c7963721ec120ebbae.exe
    "C:\Users\Admin\AppData\Local\Temp\26a9e26286604b01a798573f56a9d50d693b9db54bd509c7963721ec120ebbae.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3216
    • 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:752

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\microsofthelp.exe

          Filesize

          57KB

          MD5

          9656fb6f2c69910b61e1274db2db6619

          SHA1

          b227cef73dbf2caf5be958d0babedbed36203bb7

          SHA256

          6dd80b80a4b64a7f702c7d8e5a3eb8288a18dc90f9701b97d4041ba0c4d7b23c

          SHA512

          233d3818e4291805890c798f33153d4227ef9a8f6040448eccda60bb3b540a54b533a25330c8cd44b0a7e48f90c14a0ab2d7453d84b00ed4b41aeca3a21e5c99

        • memory/752-6-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/3216-0-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/3216-4-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB