Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    22-10-2023 13:35

General

  • Target

    NEAS.801e74d21e51e6225b9de703afae48ed_JC.exe

  • Size

    200KB

  • MD5

    801e74d21e51e6225b9de703afae48ed

  • SHA1

    d463b2cdca6b69b1ab5951e7b78f1acecbaa690c

  • SHA256

    d24d6be3273859c5674e71036136a10403c0e989544b03978c11b1204cba5419

  • SHA512

    eb79d1baea100fc8b3bf40b4c7f7be48b6b55f0a57250343997a8efee5cce72349b48ff48623f89636697d5a52d308b6039811077ca367935dd1988d04d869d2

  • SSDEEP

    6144:Wur3y6iJv8XQ/g4cDxI5ba2mA9FWra0Ge:ftovP/LwI5ba27MrlGe

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies system executable filetype association 2 TTPs 3 IoCs
  • UPX packed file 20 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 17 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies registry class 15 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.801e74d21e51e6225b9de703afae48ed_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.801e74d21e51e6225b9de703afae48ed_JC.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Adds Run key to start application
    • Enumerates connected drives
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2196
    • C:\PerfLogs\ABEN.EXE
      C:\PerfLogs\ABEN.EXE
      2⤵
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      PID:2284

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PerfLogs\ABEN.EXE

    Filesize

    200KB

    MD5

    8ee16b394e3cedcb20272ddc4e7a372c

    SHA1

    863c347f16ac05fca5dfe414a138d671b56307e2

    SHA256

    907239b5babec7dc2991df54a16840dbacd1d6631308df8b1961771da694388c

    SHA512

    361ff25dfa2d9d861eaed9557ecd8ed57f2c14341d17ddbc4f6c614f1fd17e812a8310401bd673e33de70cc6ff4f112abde0e43ce9d6c9c24f24e96c44b7c7bc

  • C:\PerfLogs\XKX.EXE

    Filesize

    200KB

    MD5

    dbd3c664fee4e54cd7e5b39aa5de18e8

    SHA1

    2054760c90406ec7d9cef94f797ebc30c17b845b

    SHA256

    e63b681a63ab95d69f2d388c5a525fc217e67bd632365a2711bc2ca18fb5c896

    SHA512

    bbf363cf42d0095a6ee5a5a3da5968673a70a54a59f1c3719e5f1debddaa97cf1178d71783732d205d9c13733b708be889d24d5798b92c637a73d2c24f8ff967

  • \PerfLogs\ABEN.EXE

    Filesize

    200KB

    MD5

    8ee16b394e3cedcb20272ddc4e7a372c

    SHA1

    863c347f16ac05fca5dfe414a138d671b56307e2

    SHA256

    907239b5babec7dc2991df54a16840dbacd1d6631308df8b1961771da694388c

    SHA512

    361ff25dfa2d9d861eaed9557ecd8ed57f2c14341d17ddbc4f6c614f1fd17e812a8310401bd673e33de70cc6ff4f112abde0e43ce9d6c9c24f24e96c44b7c7bc

  • \PerfLogs\ABEN.EXE

    Filesize

    200KB

    MD5

    8ee16b394e3cedcb20272ddc4e7a372c

    SHA1

    863c347f16ac05fca5dfe414a138d671b56307e2

    SHA256

    907239b5babec7dc2991df54a16840dbacd1d6631308df8b1961771da694388c

    SHA512

    361ff25dfa2d9d861eaed9557ecd8ed57f2c14341d17ddbc4f6c614f1fd17e812a8310401bd673e33de70cc6ff4f112abde0e43ce9d6c9c24f24e96c44b7c7bc

  • memory/2196-26-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2196-1-0x00000000001B0000-0x00000000001B1000-memory.dmp

    Filesize

    4KB

  • memory/2196-23-0x0000000002090000-0x0000000002108000-memory.dmp

    Filesize

    480KB

  • memory/2196-0-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2284-27-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2284-32-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2284-24-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2284-28-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2284-29-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2284-30-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2284-31-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2284-25-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2284-34-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2284-35-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2284-36-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2284-37-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2284-38-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2284-40-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2284-41-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB