Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27/02/2025, 00:10

General

  • Target

    67dc9a8421c6171f182b6770c11ff140181caba58effbd61386e83330800218b.exe

  • Size

    70KB

  • MD5

    81a60f904a524f65d328d33b1a0ad057

  • SHA1

    ddc6e9d3156ea096eec9824158d3023340e045d7

  • SHA256

    67dc9a8421c6171f182b6770c11ff140181caba58effbd61386e83330800218b

  • SHA512

    fad3856e886a0c22a477bb0fc528db7e7efd2baec626ba6612f0327b0430cc7feabc32c379d41ba1ff5fe6b5896617f9ea3919a3fc3a10cd3b85196b25d18d8f

  • SSDEEP

    1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhC:E1oEFlt6vghzwYu7vih9GueIh9j2IoH7

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 1 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\67dc9a8421c6171f182b6770c11ff140181caba58effbd61386e83330800218b.exe
    "C:\Users\Admin\AppData\Local\Temp\67dc9a8421c6171f182b6770c11ff140181caba58effbd61386e83330800218b.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:796
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Drops file in Windows directory
      PID:2004

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\microsofthelp.exe

          Filesize

          70KB

          MD5

          250007b54b5e38b582f226d615067e78

          SHA1

          0da643f90277a481bd90c39db0453438e5aa2ab8

          SHA256

          76b70dea56f71e6135c3e2fae512739cb20dd13edc9bdcdfe0ec05b4fb05e50a

          SHA512

          dc7f9f95c348b15adec9db60878aa53ea8151536d1afa83748eaceda5b826ad6a040b43885d9920e0e139be7743d1840ae52ce9da43597c0dbed08c3d3709f98

        • memory/796-0-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/796-7-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2004-10-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB