Analysis

  • max time kernel
    153s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24-05-2022 14:25

General

  • Target

    1d9d009c6f2cd111112eea83121c93ead1076ec4a258ca66c887cb1a80e011cd.exe

  • Size

    4.9MB

  • MD5

    4e7fdded775fc93a1283fe89a277c138

  • SHA1

    4229690ddf736751dcd8304d9ca037b92657ecdd

  • SHA256

    1d9d009c6f2cd111112eea83121c93ead1076ec4a258ca66c887cb1a80e011cd

  • SHA512

    38813e4327a860f21119ad3bd4fc27cfdcf90cc867ebcfd42ed2cb8de93f4e47d252108ead82355c06ca08003aafccd16e2991c1bd5210ddcd3d5379b131fca2

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1d9d009c6f2cd111112eea83121c93ead1076ec4a258ca66c887cb1a80e011cd.exe
    "C:\Users\Admin\AppData\Local\Temp\1d9d009c6f2cd111112eea83121c93ead1076ec4a258ca66c887cb1a80e011cd.exe"
    1⤵
    • Modifies system executable filetype association
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3036
    • C:\Users\Admin\AppData\Local\Temp\3582-490\1d9d009c6f2cd111112eea83121c93ead1076ec4a258ca66c887cb1a80e011cd.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\1d9d009c6f2cd111112eea83121c93ead1076ec4a258ca66c887cb1a80e011cd.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1512
      • C:\Windows\SYSTEM32\ping.exe
        ping -n 1 www.google.com
        3⤵
        • Runs ping.exe
        PID:3404

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Change Default File Association

1
T1042

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\1d9d009c6f2cd111112eea83121c93ead1076ec4a258ca66c887cb1a80e011cd.exe
    Filesize

    4.9MB

    MD5

    153486cc61c18f03ffdbb4d6046cf741

    SHA1

    069984da45dbc1e9f7cc8c63050a0da726684894

    SHA256

    e39ab8a936db40fbad1d1b7f50aaff2e9fedb0afd200af7063fd2ea34827da23

    SHA512

    4353730a706fb629f81f415a29b23510110039f2b638607f9812f38ee8c39d85e40973f72a3dec426c7f24c9f235d65702389b956493e34062545a9e20db3707

  • C:\Users\Admin\AppData\Local\Temp\3582-490\1d9d009c6f2cd111112eea83121c93ead1076ec4a258ca66c887cb1a80e011cd.exe
    Filesize

    4.9MB

    MD5

    153486cc61c18f03ffdbb4d6046cf741

    SHA1

    069984da45dbc1e9f7cc8c63050a0da726684894

    SHA256

    e39ab8a936db40fbad1d1b7f50aaff2e9fedb0afd200af7063fd2ea34827da23

    SHA512

    4353730a706fb629f81f415a29b23510110039f2b638607f9812f38ee8c39d85e40973f72a3dec426c7f24c9f235d65702389b956493e34062545a9e20db3707

  • memory/1512-159-0x0000000002C50000-0x0000000003C50000-memory.dmp
    Filesize

    16.0MB

  • memory/1512-155-0x0000000002C50000-0x0000000003C50000-memory.dmp
    Filesize

    16.0MB

  • memory/1512-167-0x0000000002C50000-0x0000000003C50000-memory.dmp
    Filesize

    16.0MB

  • memory/1512-146-0x0000000002C50000-0x0000000003C50000-memory.dmp
    Filesize

    16.0MB

  • memory/1512-148-0x0000000002C50000-0x0000000003C50000-memory.dmp
    Filesize

    16.0MB

  • memory/1512-149-0x0000000002C50000-0x0000000003C50000-memory.dmp
    Filesize

    16.0MB

  • memory/1512-151-0x0000000002C50000-0x0000000003C50000-memory.dmp
    Filesize

    16.0MB

  • memory/1512-135-0x0000000002C50000-0x0000000003C50000-memory.dmp
    Filesize

    16.0MB

  • memory/1512-157-0x0000000002C50000-0x0000000003C50000-memory.dmp
    Filesize

    16.0MB

  • memory/1512-158-0x0000000002C50000-0x0000000003C50000-memory.dmp
    Filesize

    16.0MB

  • memory/1512-130-0x0000000000000000-mapping.dmp
  • memory/1512-161-0x0000000002C50000-0x0000000003C50000-memory.dmp
    Filesize

    16.0MB

  • memory/1512-164-0x0000000002C50000-0x0000000003C50000-memory.dmp
    Filesize

    16.0MB

  • memory/1512-165-0x0000000002C50000-0x0000000003C50000-memory.dmp
    Filesize

    16.0MB

  • memory/3404-143-0x0000000000000000-mapping.dmp