Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27/02/2025, 05:01

General

  • Target

    c6e5eefdecaf1b1b2586bf6adcdb7a023d0178506bbcfe285ce37ef0e839d4cd.exe

  • Size

    74KB

  • MD5

    b9149f3f51a7bc8f23a07355f4dc707e

  • SHA1

    7e2bc1e6804c1a8dd64176cef297f6e95331b042

  • SHA256

    c6e5eefdecaf1b1b2586bf6adcdb7a023d0178506bbcfe285ce37ef0e839d4cd

  • SHA512

    fc650850368dba0c373ea1ad4ce83b9032463fcfeece09a0a5b17994a35ebe3324328fbed8c3225653e5b534651ed28ebde22c9a94ed468da8a39265baec0167

  • SSDEEP

    1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhl:E1oEFlt6vghzwYu7vih9GueIh9j2IoH4

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\c6e5eefdecaf1b1b2586bf6adcdb7a023d0178506bbcfe285ce37ef0e839d4cd.exe
    "C:\Users\Admin\AppData\Local\Temp\c6e5eefdecaf1b1b2586bf6adcdb7a023d0178506bbcfe285ce37ef0e839d4cd.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2940
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Drops file in Windows directory
      PID:2576

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\microsofthelp.exe

          Filesize

          74KB

          MD5

          c9200f5f49239e2ef10fd0d91742371f

          SHA1

          1d3136059c2b1768adfeff03197a6aff0377318e

          SHA256

          ec24a5858bb9ffb72d2332dfce69b783dac86db6474a4cccab1ac4b327fb43d2

          SHA512

          cfb355bb50f20895d452213ab9fbbc3ee2535bcb7f2eb79ff6dc95324eb58453daff1394dfcd47f8909dc029d80a92cf13166f14ea0c42ce8e95b97757bcef76

        • memory/2576-11-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2940-0-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2940-3-0x0000000000220000-0x000000000022E000-memory.dmp

          Filesize

          56KB

        • memory/2940-8-0x0000000000220000-0x000000000022E000-memory.dmp

          Filesize

          56KB