Analysis

  • max time kernel
    149s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    26/02/2025, 21:33

General

  • Target

    326292c3dd4b33b6c13140a4640318d172842beb16ec38575d5780312e0160c5.exe

  • Size

    55KB

  • MD5

    069958abee09a30ae1274b3f3f9f8332

  • SHA1

    1400dd7f0fde4e0e6b0edc11f1acae04f16c59dd

  • SHA256

    326292c3dd4b33b6c13140a4640318d172842beb16ec38575d5780312e0160c5

  • SHA512

    61fe30add80cc92e1416ea228795ae10d6b0a7ef2b9ceae3ef5da2abd2290f3b728a8f300326d4cdb345c1c270a9b58006a2e47de38acd3d2e5441d4010f7da3

  • SSDEEP

    1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johmh8hFIShwnohm:E1oEFlt6vghzwYu7vih9GueIh9j2IoHk

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\326292c3dd4b33b6c13140a4640318d172842beb16ec38575d5780312e0160c5.exe
    "C:\Users\Admin\AppData\Local\Temp\326292c3dd4b33b6c13140a4640318d172842beb16ec38575d5780312e0160c5.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:908
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Drops file in Windows directory
      PID:940

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\microsofthelp.exe

          Filesize

          55KB

          MD5

          88479b2fdb2826879552845e84391d26

          SHA1

          fb61f5c71f7ab5cca43540b94b9d7bb76bf3e8c9

          SHA256

          02df9493853b9da0d594f858d8b9d89e7bdd8746adf9d2cf9dbe91d2a26a0bdf

          SHA512

          84a53c51b07419a885dd558f58e43cff8150951cdc306d4b71af01f14772e48d906e12f4a3a5dbccbd88a84675c1f39ca4798a868a962365cabacf056f3f65d3

        • memory/908-0-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/908-7-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/940-9-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/940-11-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB