Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/02/2025, 06:08

General

  • Target

    d95f709f125b664e053458472ea81722f8ffacfa36a696f2a864bc1ec3b06166.exe

  • Size

    74KB

  • MD5

    0226658c7a28eda3f8509d4bd571df53

  • SHA1

    f740b4be3ff2bab54a1be9ab9be160d6c6bd0b42

  • SHA256

    d95f709f125b664e053458472ea81722f8ffacfa36a696f2a864bc1ec3b06166

  • SHA512

    d55cf478772fa82b3b1d1f47264b0ebb1ffcc01ee312df80d826dc3aa82493dbcfb785f03a513bbd5185a874650280d092859c38b57efec03d4bc074553888bf

  • SSDEEP

    1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrho: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\d95f709f125b664e053458472ea81722f8ffacfa36a696f2a864bc1ec3b06166.exe
    "C:\Users\Admin\AppData\Local\Temp\d95f709f125b664e053458472ea81722f8ffacfa36a696f2a864bc1ec3b06166.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:968
    • 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:2776

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\microsofthelp.exe

          Filesize

          75KB

          MD5

          18d238960726541091249b6a2248f038

          SHA1

          3060a697adebc019aa6ccc51b3ca6da9d0b41e2b

          SHA256

          aafbf3705ce706925f899f1e57446d8fcea3560b1d6df7ad84da67471c8f43e2

          SHA512

          67c3e3da594eba5f6a61fd4db1e5dd3066cc316277f550e1019d128dde4c4b5f7dfdc04a31c2e0f0e4404d21866c9c2f8c157aff439c8570cbe698bf39efa235

        • memory/968-0-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/968-4-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2776-6-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB