Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    04-05-2021 23:04

General

  • Target

    7fa6b29f1b65874d1485afc400d2ef25de0cc5de1241a24447966a0adb6d6127.exe

  • Size

    5.3MB

  • MD5

    df37d36af58d9469c2f5d547b6876df4

  • SHA1

    3b64b5e903abd84bcc7a8dc8f38759144ae44cab

  • SHA256

    7fa6b29f1b65874d1485afc400d2ef25de0cc5de1241a24447966a0adb6d6127

  • SHA512

    e887c3e37d7560cec392699d0da904ffb5326324c5365e4ac958fa1486fae74799e372095ff0be66bcb138ee32da965f10b1891f43e10894e9aab17d65477a52

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7fa6b29f1b65874d1485afc400d2ef25de0cc5de1241a24447966a0adb6d6127.exe
    "C:\Users\Admin\AppData\Local\Temp\7fa6b29f1b65874d1485afc400d2ef25de0cc5de1241a24447966a0adb6d6127.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Users\Admin\AppData\Local\Temp\._cache_7fa6b29f1b65874d1485afc400d2ef25de0cc5de1241a24447966a0adb6d6127.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_7fa6b29f1b65874d1485afc400d2ef25de0cc5de1241a24447966a0adb6d6127.exe"
      2⤵
      • Executes dropped EXE
      PID:1152
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:1332

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe
    MD5

    85c4062ca855443ba02c2b83503ddc14

    SHA1

    5fa7451b7808c19a3d28dbbd4f662d0a584b6c77

    SHA256

    9770a6476b607f28077320caa244bbdde08611769338485faa64ad3bee4616cf

    SHA512

    851b48968e44604db4d02ec29744e6e2ca006e20bfb8883152860984dd4a648684e20b97b83a0b76afd21a922b3ac1afa9b2d54d9e3125b2e9b6958a8a7f5c7e

  • C:\Users\Admin\AppData\Local\Temp\._cache_7fa6b29f1b65874d1485afc400d2ef25de0cc5de1241a24447966a0adb6d6127.exe
    MD5

    1876286f82ca82e5ee7b3fae3579a8d7

    SHA1

    37154011d7e698b85a0961342fd9955f03635165

    SHA256

    e395450db45d49f8be2b1edfc14e45120765a0873873654652903b259a39bb02

    SHA512

    81ef0eb33a2800c02859f75778b9474d7732c1908f942e426edb2bac84d60502b49b9eca483ac90f0601e13d6ac0f4cf76ffb3ba174c535d47e8a2e5237ce675

  • \ProgramData\Synaptics\Synaptics.exe
    MD5

    85c4062ca855443ba02c2b83503ddc14

    SHA1

    5fa7451b7808c19a3d28dbbd4f662d0a584b6c77

    SHA256

    9770a6476b607f28077320caa244bbdde08611769338485faa64ad3bee4616cf

    SHA512

    851b48968e44604db4d02ec29744e6e2ca006e20bfb8883152860984dd4a648684e20b97b83a0b76afd21a922b3ac1afa9b2d54d9e3125b2e9b6958a8a7f5c7e

  • \ProgramData\Synaptics\Synaptics.exe
    MD5

    85c4062ca855443ba02c2b83503ddc14

    SHA1

    5fa7451b7808c19a3d28dbbd4f662d0a584b6c77

    SHA256

    9770a6476b607f28077320caa244bbdde08611769338485faa64ad3bee4616cf

    SHA512

    851b48968e44604db4d02ec29744e6e2ca006e20bfb8883152860984dd4a648684e20b97b83a0b76afd21a922b3ac1afa9b2d54d9e3125b2e9b6958a8a7f5c7e

  • \Users\Admin\AppData\Local\Temp\._cache_7fa6b29f1b65874d1485afc400d2ef25de0cc5de1241a24447966a0adb6d6127.exe
    MD5

    1876286f82ca82e5ee7b3fae3579a8d7

    SHA1

    37154011d7e698b85a0961342fd9955f03635165

    SHA256

    e395450db45d49f8be2b1edfc14e45120765a0873873654652903b259a39bb02

    SHA512

    81ef0eb33a2800c02859f75778b9474d7732c1908f942e426edb2bac84d60502b49b9eca483ac90f0601e13d6ac0f4cf76ffb3ba174c535d47e8a2e5237ce675

  • memory/1152-62-0x0000000000000000-mapping.dmp
  • memory/1200-59-0x00000000768B1000-0x00000000768B3000-memory.dmp
    Filesize

    8KB

  • memory/1200-60-0x0000000000260000-0x0000000000261000-memory.dmp
    Filesize

    4KB

  • memory/1332-66-0x0000000000000000-mapping.dmp
  • memory/1332-69-0x0000000000390000-0x0000000000391000-memory.dmp
    Filesize

    4KB