Analysis

  • max time kernel
    306s
  • max time network
    320s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-07-2023 16:13

General

  • Target

    Setup.exe

  • Size

    793.8MB

  • MD5

    9a851a47a9bd2f92c61d2486d1be3064

  • SHA1

    3cda31c06db97246705d95dfcf4908eafb514b87

  • SHA256

    7c2b51c31a895f2eeb6afe748f11d0f6a16355b01c41f22749043c0da7804206

  • SHA512

    90340910dc1ee90ccfe7f451578de67c5ca32b95525157acd8b5bc2e99b9c0b2254bfb58997cc848a0ead871bc3f1e03dbb152d56aa709c4ecd3742404eec27b

  • SSDEEP

    196608:6spHQk/ICYcdYtOQYMvm6Iu+8RuJQHIsuRuJyPquRuJXMD349nt3njto03qJbYav:6csCYgIBH2XD349nt3nW03s8up

Malware Config

Extracted

Family

fickerstealer

C2

45.93.201.181:80

Signatures

  • Fickerstealer

    Ficker is an infostealer written in Rust and ASM.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious behavior: EnumeratesProcesses 42 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3332
    • C:\Users\Admin\AppData\Local\Temp\Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
      2⤵
        PID:4804

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\krosqm.txt

      Filesize

      12B

      MD5

      71d587e911373f62d72a158eceb6e0e7

      SHA1

      68d81a1a4fb19c609288a94f10d1bbb92d972a68

      SHA256

      acce61361a3dee677653fa2909f29530202335835c71031ba4dff50682ae5de8

      SHA512

      a0010c487c8b1eeae82ae82896bf5f48b7ec5573197bbe149b6803093a32b3b470ef0b122278e404cd5df296376bb0629438609997d52c14757ff1c3e6756060

    • memory/3332-133-0x0000000000400000-0x0000000001400000-memory.dmp

      Filesize

      16.0MB

    • memory/3332-134-0x0000000032070000-0x00000000320EB000-memory.dmp

      Filesize

      492KB

    • memory/3332-135-0x0000000077682000-0x0000000077683000-memory.dmp

      Filesize

      4KB

    • memory/3332-136-0x0000000033C30000-0x0000000033DD3000-memory.dmp

      Filesize

      1.6MB

    • memory/3332-144-0x0000000032070000-0x00000000320EB000-memory.dmp

      Filesize

      492KB

    • memory/4804-139-0x0000000000400000-0x0000000000466000-memory.dmp

      Filesize

      408KB

    • memory/4804-137-0x0000000077682000-0x0000000077683000-memory.dmp

      Filesize

      4KB

    • memory/4804-140-0x0000000000400000-0x0000000000466000-memory.dmp

      Filesize

      408KB

    • memory/4804-143-0x0000000000400000-0x0000000000466000-memory.dmp

      Filesize

      408KB

    • memory/4804-145-0x00000000001C0000-0x00000000001C1000-memory.dmp

      Filesize

      4KB

    • memory/4804-151-0x0000000000400000-0x0000000000466000-memory.dmp

      Filesize

      408KB