Analysis

  • max time kernel
    141s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    14-07-2023 12:37

General

  • Target

    18b08276269688exe_JC.exe

  • Size

    98KB

  • MD5

    18b082762696887b3679557baebacfa1

  • SHA1

    63736733e848dadaeccb001704d76c4c93f78dc5

  • SHA256

    11f9f7e01c6b71d97c700847cdaeee0b6150715908e6055c6cb9b60a86dbd4a1

  • SHA512

    be41ea41eaefcbb8bcf01a754d42690416f227fd07529185214b4ea7a08cc0465ee37d996d371e84ca524db012e93e04743acf9ccc0584cc2dc2019a7febc41e

  • SSDEEP

    1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpQbCJhn:AnBdOOtEvwDpj6za

Score
7/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 7 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).

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\18b08276269688exe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\18b08276269688exe_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2572
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2224

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\asih.exe

    Filesize

    98KB

    MD5

    c8b4393a0967aa0c8bb89434a82f2719

    SHA1

    06445bba34159369ef701896841ba5d2e7315682

    SHA256

    bb2147e43371474647cc931e1347324a3f97188fa776bc684edc96e8f1ff7d7f

    SHA512

    9671f54d8f49918f35de3bd8700a88d4678bc42e0d4af5ed4d6a2b0bc5fdcf4238d06c8331391167615a3f7b9338a9c46b7bb48d6b8d8b95e5a360758313cf6c

  • C:\Users\Admin\AppData\Local\Temp\asih.exe

    Filesize

    98KB

    MD5

    c8b4393a0967aa0c8bb89434a82f2719

    SHA1

    06445bba34159369ef701896841ba5d2e7315682

    SHA256

    bb2147e43371474647cc931e1347324a3f97188fa776bc684edc96e8f1ff7d7f

    SHA512

    9671f54d8f49918f35de3bd8700a88d4678bc42e0d4af5ed4d6a2b0bc5fdcf4238d06c8331391167615a3f7b9338a9c46b7bb48d6b8d8b95e5a360758313cf6c

  • \Users\Admin\AppData\Local\Temp\asih.exe

    Filesize

    98KB

    MD5

    c8b4393a0967aa0c8bb89434a82f2719

    SHA1

    06445bba34159369ef701896841ba5d2e7315682

    SHA256

    bb2147e43371474647cc931e1347324a3f97188fa776bc684edc96e8f1ff7d7f

    SHA512

    9671f54d8f49918f35de3bd8700a88d4678bc42e0d4af5ed4d6a2b0bc5fdcf4238d06c8331391167615a3f7b9338a9c46b7bb48d6b8d8b95e5a360758313cf6c

  • memory/2224-70-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2224-73-0x00000000004C0000-0x00000000004C6000-memory.dmp

    Filesize

    24KB

  • memory/2224-72-0x0000000000380000-0x0000000000386000-memory.dmp

    Filesize

    24KB

  • memory/2224-80-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2572-54-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2572-55-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2572-56-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB

  • memory/2572-58-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2572-69-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB