Resubmissions

13-11-2023 21:06

231113-zx39bafe59 10

13-11-2023 20:57

231113-zrznyaeh8v 10

13-11-2023 20:45

231113-zj3evsfd87 10

Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    13-11-2023 20:57

General

  • Target

    upx.exe

  • Size

    9.0MB

  • MD5

    37c5a07be6afc492663f34c862f84212

  • SHA1

    c0f9dd3d8dd2c6e0fa1a8c44b9bf8ca5ee7981c8

  • SHA256

    6bc8afa32df8905c6af148c04b724fc6d815e0a04c8a56096c759bd65f47da02

  • SHA512

    962a8aae7eed785467c929ab2bd4bd99c806c21ebc8bb89fc420116aa0c664077e04c821c3b914525b5bedcf832ceb81affe69db1ebed51c78954d938eca2f12

  • SSDEEP

    98304:ayEtdFByRamaHl3Ne4i3gmtfXJOLhx9fZAzDJ4wzQgsRuGK4RnBMi33OagTx:aZFMseN/FJMIDJf0gsAGK4Rnui4Tx

Score
7/10
upx

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • UPX packed file 2 IoCs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\upx.exe
    "C:\Users\Admin\AppData\Local\Temp\upx.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2980
    • C:\Users\Admin\AppData\Local\Temp\upx.exe
      "C:\Users\Admin\AppData\Local\Temp\upx.exe"
      2⤵
      • Loads dropped DLL
      PID:2532

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\_MEI29802\python310.dll

    Filesize

    1.4MB

    MD5

    178a0f45fde7db40c238f1340a0c0ec0

    SHA1

    dcd2d3d14e06da3e8d7dc91a69b5fd785768b5fe

    SHA256

    9fcb5ad15bd33dd72122a171a5d950e8e47ceda09372f25df828010cde24b8ed

    SHA512

    4b790046787e57b9414a796838a026b1530f497a75c8e62d62b56f8c16a0cbedbefad3d4be957bc18379f64374d8d3bf62d3c64b53476c7c5005a7355acd2cee

  • \Users\Admin\AppData\Local\Temp\_MEI29802\python310.dll

    Filesize

    1.4MB

    MD5

    178a0f45fde7db40c238f1340a0c0ec0

    SHA1

    dcd2d3d14e06da3e8d7dc91a69b5fd785768b5fe

    SHA256

    9fcb5ad15bd33dd72122a171a5d950e8e47ceda09372f25df828010cde24b8ed

    SHA512

    4b790046787e57b9414a796838a026b1530f497a75c8e62d62b56f8c16a0cbedbefad3d4be957bc18379f64374d8d3bf62d3c64b53476c7c5005a7355acd2cee

  • memory/2532-23-0x000007FEF6310000-0x000007FEF677E000-memory.dmp

    Filesize

    4.4MB