Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/08/2024, 01:04

General

  • Target

    a7b93c40d2e5bb1b02de6e5cf18b0950N.exe

  • Size

    29KB

  • MD5

    a7b93c40d2e5bb1b02de6e5cf18b0950

  • SHA1

    6638b2b683533ecc639023f6eabf3b1b363f4c1c

  • SHA256

    9f5a8715a1ca6d82dac4457b0e6d2bbfe5f1f1133a97564d19e9ea189fa880d2

  • SHA512

    6daeb12e3d8ed13d4c458bf341810ddc395105bfde071acd18ed6ab304f14fae628a60807f60a373fb5b571c8cf5fd4410f8e60ec1cd985ba05eebd4abe66c10

  • SSDEEP

    768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/w:AEwVs+0jNDY1qi/qI

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 19 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a7b93c40d2e5bb1b02de6e5cf18b0950N.exe
    "C:\Users\Admin\AppData\Local\Temp\a7b93c40d2e5bb1b02de6e5cf18b0950N.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3604
    • C:\Windows\services.exe
      "C:\Windows\services.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:4224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp6B64.tmp

    Filesize

    29KB

    MD5

    b6b96163a97fcbbc3a954a85157fb01f

    SHA1

    8f5008541c64d4449a9b64f455f12acbd182a178

    SHA256

    1d7f777cc2f9d71a35665573b549ac36140906dd9ebb1201a41848f32aad44e5

    SHA512

    99a8ad7d6a347dd4e4c3c635f98f0aed13a5162f8fa6c939006a60d8b7cb5b3288777568bab9dcefe1afc4983c0e843a6a46578859d2be42ff9a40b5b28a7fdb

  • C:\Users\Admin\AppData\Local\Temp\zincite.log

    Filesize

    352B

    MD5

    20087d2c06240be8cdb4cf1c738c4554

    SHA1

    f63f7aae04912d0963d54d782d926b7545d16983

    SHA256

    ecdd7dbeec32483587c7397fc8acc7b57496c080a8a3749eb0797422a9c74cfa

    SHA512

    ed20a0a103f4e906c9953710f4a7f9c77c57ad71cca5a89c990fb609141e3cffeb0cc4a575dae4cce980b2b1b2ec32c62c0e7363839525c2859caa9bb49289af

  • C:\Windows\services.exe

    Filesize

    8KB

    MD5

    b0fe74719b1b647e2056641931907f4a

    SHA1

    e858c206d2d1542a79936cb00d85da853bfc95e2

    SHA256

    bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

    SHA512

    9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

  • memory/3604-51-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/3604-13-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/3604-0-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/3604-56-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/4224-15-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/4224-28-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/4224-33-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/4224-38-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/4224-40-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/4224-45-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/4224-50-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/4224-26-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/4224-52-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/4224-21-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/4224-57-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/4224-16-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/4224-6-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB