Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    31/10/2024, 04:53

General

  • Target

    c7558a103ce1f39442d0755e04450f76d17aefa2a4c1c7ca1c375fa873754f0a.exe

  • Size

    135KB

  • MD5

    8ef01880cfdebf7288a039d279640ba2

  • SHA1

    f5960008e1fd9503937a4a8302989349d179d5f2

  • SHA256

    c7558a103ce1f39442d0755e04450f76d17aefa2a4c1c7ca1c375fa873754f0a

  • SHA512

    a94582df361a7948ed7c227c44aabd69942e68277bdf038e74a6075b0f2f0dcdfa8834da75a7ce687c1c7dc70f02f011f844a57bf4049d26a685403c0d69b374

  • SSDEEP

    1536:YGYU/W2/HG6QMauSV3ixJHABLrmhH7i9eNOOg00GqMIK7aGZh3SOU:YfU/WF6QMauSuiWNi9eNOl0007NZIOU

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • UPX packed file 6 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c7558a103ce1f39442d0755e04450f76d17aefa2a4c1c7ca1c375fa873754f0a.exe
    "C:\Users\Admin\AppData\Local\Temp\c7558a103ce1f39442d0755e04450f76d17aefa2a4c1c7ca1c375fa873754f0a.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2448
    • C:\ProgramData\Update\wuauclt.exe
      "C:\ProgramData\Update\wuauclt.exe" /run
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2748
    • C:\windows\SysWOW64\cmd.exe
      "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\c7558a103ce1f39442d0755e04450f76d17aefa2a4c1c7ca1c375fa873754f0a.exe" >> NUL
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2732

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \ProgramData\Update\wuauclt.exe

          Filesize

          135KB

          MD5

          1b9ccdef36529713682b9ee3230cfe2a

          SHA1

          5b944671c115135a15a83dd8e42901626945cabf

          SHA256

          a61a8d8d05074a9e1fbf251a7acb6311a32ebc8f9fefdfb7a8e1e12a70783b3e

          SHA512

          2756fb8dd8487e7f26bc89f0fa7beb854d9fda56f2f4f9eec00f7613bcfa88d9c9dd265dc8e4b2f4647662e44b47537bdef074f6816149795dbede442dbab362

        • memory/2448-0-0x0000000000820000-0x0000000000848000-memory.dmp

          Filesize

          160KB

        • memory/2448-5-0x0000000000140000-0x0000000000168000-memory.dmp

          Filesize

          160KB

        • memory/2448-8-0x0000000000820000-0x0000000000848000-memory.dmp

          Filesize

          160KB

        • memory/2448-9-0x0000000000140000-0x0000000000168000-memory.dmp

          Filesize

          160KB

        • memory/2448-11-0x0000000000820000-0x0000000000848000-memory.dmp

          Filesize

          160KB

        • memory/2748-7-0x0000000000A60000-0x0000000000A88000-memory.dmp

          Filesize

          160KB

        • memory/2748-10-0x0000000000A60000-0x0000000000A88000-memory.dmp

          Filesize

          160KB