Analysis

  • max time kernel
    144s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2023 04:58

General

  • Target

    6b839f3768735a0eecf059407948f3b2.exe

  • Size

    133KB

  • MD5

    6b839f3768735a0eecf059407948f3b2

  • SHA1

    1f9bbb50eafc7574d0ddfd34026210e237c35d0d

  • SHA256

    ebcdb42f31ee2584d018901f4ed1e28282a360fe92732175f516249b5c3e18b7

  • SHA512

    6b735273152a1b498baa9a537bf5011910a08472fe328428b0fd2988a66e820988dac967e51dd3d66c0999767db49dfc51d485cd385e20915875ca382875989d

  • SSDEEP

    3072:k3wh7AkmbJKhR8/GHke0nk6Tix85/Puj7R5Q:iwhlmbT/DnT+xQ/Puj7R5Q

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6b839f3768735a0eecf059407948f3b2.exe
    "C:\Users\Admin\AppData\Local\Temp\6b839f3768735a0eecf059407948f3b2.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1824
    • C:\Users\Admin\AppData\Local\Temp\6b839f3768735a0eecf059407948f3b2.exe
      C:\Users\Admin\AppData\Local\Temp\6b839f3768735a0eecf059407948f3b2.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:4940

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\6b839f3768735a0eecf059407948f3b2.exe

    Filesize

    28KB

    MD5

    dcbe2a21b31ba47b278035cc5524bde8

    SHA1

    0cea3ba711b0beda6dc33af3e4df050a2141d410

    SHA256

    e4604b978ca76e743e9117a3721c439de2397ce65a46297a76c7c4bf1d3eb518

    SHA512

    b2f2ab85875040d7a4c94f7b444fd17159a9131bc5cf0043b14a45fe744e319a1a69322acad1f95893ad625d4865d29a848a655b8b23c0d1606756502bfe44c1

  • memory/1824-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1824-1-0x00000000001D0000-0x00000000001F1000-memory.dmp

    Filesize

    132KB

  • memory/1824-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1824-13-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4940-14-0x00000000001A0000-0x00000000001C1000-memory.dmp

    Filesize

    132KB

  • memory/4940-17-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/4940-31-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB