Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-07-2023 12:11

General

  • Target

    aed0f11549cb05_JC.exe

  • Size

    63KB

  • MD5

    aed0f11549cb05ff18e1aae3594b20d9

  • SHA1

    958b67ba44fecd7ca3572fc03c6cea93a24d4d83

  • SHA256

    a18ec78d22248f1ef6961a2390c0098f036740fa9f448d83f4335cafcc163c32

  • SHA512

    3da433cddc847dfb6d4a277c760586b5062a9256a4d0f15900942c9fd5fe3d7f2658f8e8384a60e917dff9df1ac2021b27bb949f92391c258ee005330e630ca7

  • SSDEEP

    1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAvN:z6a+CdOOtEvwDpjQW

Score
7/10
upx

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • 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).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aed0f11549cb05_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\aed0f11549cb05_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4108
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:4040

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    63KB

    MD5

    c3839ed28f1014fba6ac32b0c943ae2e

    SHA1

    2fa41b08adf2c1d4327c93275ecb94256a833fd7

    SHA256

    2da25a10d26c631054113a672d3405f3b4fc7218a4d2e5bac7c0bd00437109e7

    SHA512

    1ecde2d3ba3653ac6d6b40f9b5977cdfa32f43ca70612059605635b3f4f5509218abed5c0d15fe605fdd630d054448f5e4fb1b840bcc8414cd1962b2250f4b8c

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

    Filesize

    63KB

    MD5

    c3839ed28f1014fba6ac32b0c943ae2e

    SHA1

    2fa41b08adf2c1d4327c93275ecb94256a833fd7

    SHA256

    2da25a10d26c631054113a672d3405f3b4fc7218a4d2e5bac7c0bd00437109e7

    SHA512

    1ecde2d3ba3653ac6d6b40f9b5977cdfa32f43ca70612059605635b3f4f5509218abed5c0d15fe605fdd630d054448f5e4fb1b840bcc8414cd1962b2250f4b8c

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

    Filesize

    63KB

    MD5

    c3839ed28f1014fba6ac32b0c943ae2e

    SHA1

    2fa41b08adf2c1d4327c93275ecb94256a833fd7

    SHA256

    2da25a10d26c631054113a672d3405f3b4fc7218a4d2e5bac7c0bd00437109e7

    SHA512

    1ecde2d3ba3653ac6d6b40f9b5977cdfa32f43ca70612059605635b3f4f5509218abed5c0d15fe605fdd630d054448f5e4fb1b840bcc8414cd1962b2250f4b8c

  • memory/4040-152-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/4040-153-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/4040-159-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/4108-133-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/4108-134-0x0000000000530000-0x0000000000536000-memory.dmp

    Filesize

    24KB

  • memory/4108-135-0x0000000000530000-0x0000000000536000-memory.dmp

    Filesize

    24KB

  • memory/4108-136-0x0000000002080000-0x0000000002086000-memory.dmp

    Filesize

    24KB

  • memory/4108-150-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB