Analysis

  • max time kernel
    147s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-01-2024 12:47

General

  • Target

    43b871b5d62dd258c2e6f80e33e8f2dc.exe

  • Size

    1.3MB

  • MD5

    43b871b5d62dd258c2e6f80e33e8f2dc

  • SHA1

    a52821481107fcdd1d261e1a01f841cd667ebd7f

  • SHA256

    3f8cea70c14eced7a32438e37f40dd0fc4b397125429736fc7028f2ee513b59d

  • SHA512

    27fa21a850b05f7a2481fafbaf4babdc3bed6bbd9f1d90d0a1c4612c717552d2abf768bf3284420bccf85ddb4174b0ea4d1cd58a4b7f4b2a1f6868e93e264f3b

  • SSDEEP

    24576:x/4Dn0rjD+IwPu6p6ZPJuXYsAPi6YRTiEx0sGZoS6SiQQaNfkbvG:lan0/CHp6mX5APHWiEpGaS6SzQaNf

Score
7/10
upx

Malware Config

Signatures

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

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

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\43b871b5d62dd258c2e6f80e33e8f2dc.exe
    "C:\Users\Admin\AppData\Local\Temp\43b871b5d62dd258c2e6f80e33e8f2dc.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:864
    • C:\Users\Admin\AppData\Local\Temp\43b871b5d62dd258c2e6f80e33e8f2dc.exe
      C:\Users\Admin\AppData\Local\Temp\43b871b5d62dd258c2e6f80e33e8f2dc.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:2984

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\43b871b5d62dd258c2e6f80e33e8f2dc.exe

    Filesize

    182KB

    MD5

    d9e71d28f7b789ed20468280c2c4c3b1

    SHA1

    9eb931daa1325b25a2710190d19ae8c291534d76

    SHA256

    6dae02e7f1a46fa8dbed90ad72f77f7494ced0dc55adef14e52f16d5f5014192

    SHA512

    3ef78735cbbc1feb262b9a16172c1969b27eabe22a5bce5b5bbdb770363032e9dc6f7167202bea26e059483636c5fa29cee81a9fe96a4b317d66e2ebca319ba7

  • memory/864-1-0x0000000001CC0000-0x0000000001DD2000-memory.dmp

    Filesize

    1.1MB

  • memory/864-0-0x0000000000400000-0x000000000086A000-memory.dmp

    Filesize

    4.4MB

  • memory/864-2-0x0000000000400000-0x00000000005F2000-memory.dmp

    Filesize

    1.9MB

  • memory/864-13-0x0000000000400000-0x00000000005F2000-memory.dmp

    Filesize

    1.9MB

  • memory/2984-14-0x0000000000400000-0x000000000086A000-memory.dmp

    Filesize

    4.4MB

  • memory/2984-16-0x0000000001C50000-0x0000000001D62000-memory.dmp

    Filesize

    1.1MB

  • memory/2984-23-0x0000000000400000-0x000000000086A000-memory.dmp

    Filesize

    4.4MB