Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26/02/2025, 23:36

General

  • Target

    5cc49234d51df387b800e016cef07a70188f1c13bd8530083e2a566b40384c95.exe

  • Size

    70KB

  • MD5

    169b08125f4cf60709f1543024224569

  • SHA1

    4020066c2499bfc0ca8e42c802b59efd825a9dbc

  • SHA256

    5cc49234d51df387b800e016cef07a70188f1c13bd8530083e2a566b40384c95

  • SHA512

    ccd398d1c416ea8e1c779c94f635db46452c9e3dbdbac7fac5e8d37f1970ca13e4e3adb6ccda1780c933a4b8e45798f58fd5b9b7fed8200ce13403286802a16f

  • SSDEEP

    1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhf:E1oEFlt6vghzwYu7vih9GueIh9j2IoH2

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\5cc49234d51df387b800e016cef07a70188f1c13bd8530083e2a566b40384c95.exe
    "C:\Users\Admin\AppData\Local\Temp\5cc49234d51df387b800e016cef07a70188f1c13bd8530083e2a566b40384c95.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2456
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Drops file in Windows directory
      PID:1264

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\microsofthelp.exe

          Filesize

          70KB

          MD5

          dee538b4b7bb54c57dbbde2279d3453c

          SHA1

          fcd1c75fd1ab87880c16ae2a3ceb461504a2da15

          SHA256

          936551fb68eac38bbbd2708440b0f43718fbfc672ec6ab67faaca15518cde118

          SHA512

          83906d8517ce6e4c97cd8ccd801287577ccd430b6f8eda28c0ef4e461079d6fd7ad16fe7bff0a8d05f4f58f7ffca7e4274790597a6e8f66689ae2ab4b2fdc762

        • memory/1264-9-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/1264-11-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2456-0-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2456-7-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB