Analysis

  • max time kernel
    140s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    27-01-2024 03:06

General

  • Target

    791d582dd06fcc7362d1d0d728a14d27.exe

  • Size

    133KB

  • MD5

    791d582dd06fcc7362d1d0d728a14d27

  • SHA1

    7c1fa1b0c045737f6aa09426fc1b5883e35cf7e9

  • SHA256

    9c780e01f4ac805cded6e24be42d1472698168778dd5751e863f87827b1a1656

  • SHA512

    274b88bfbc0c17e43c0b3dec6331882467018301cb7e28221df3968d8b297db160bb9cd88704fe7ca5f4c2244452f1c9befc3319f6179216dfdb5b104fbdb56f

  • SSDEEP

    3072:oGljKfnwedzVhqes/7SNTop0i8T8K+HRNLSWuB9b1MxpQ:jlORzVw/7SNrT8K+HR0JB9SxpQ

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\791d582dd06fcc7362d1d0d728a14d27.exe
    "C:\Users\Admin\AppData\Local\Temp\791d582dd06fcc7362d1d0d728a14d27.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2100
    • C:\Users\Admin\AppData\Local\Temp\791d582dd06fcc7362d1d0d728a14d27.exe
      C:\Users\Admin\AppData\Local\Temp\791d582dd06fcc7362d1d0d728a14d27.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\791d582dd06fcc7362d1d0d728a14d27.exe

    Filesize

    133KB

    MD5

    6cdf187d54915aed0ac47d1843401a66

    SHA1

    aafb9e0940db2a628711d26a0f7cc90b79635864

    SHA256

    5304ad2734932c30f980fae40d9050997d961842d88e9c29d94e88e478c3c27b

    SHA512

    ed0f46247a10f81e2ce444770b782539e3aa883dfcc8a2651c46e9a7a8321d3ce2170c0714905472a05a98ff9b4b0d597f42193d5c995c482301ce052c034ffb

  • memory/2008-18-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/2008-42-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2100-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2100-1-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2100-5-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/2100-13-0x0000000001490000-0x0000000001516000-memory.dmp

    Filesize

    536KB

  • memory/2100-15-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB