Analysis

  • max time kernel
    139s
  • max time network
    178s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2022 11:21

General

  • Target

    de12c907582b3e3316519e9d1811dfab9de8a5110510c5915882a08d50b48750.exe

  • Size

    216KB

  • MD5

    420c4e6b549b86a760eba256381ab6cd

  • SHA1

    7dcf7faa4bbf6ffa808f7d83b70748732798047c

  • SHA256

    de12c907582b3e3316519e9d1811dfab9de8a5110510c5915882a08d50b48750

  • SHA512

    8659b2ea4cd368a1d311ac526c6149f0eae357b19b2d7b3e3de8777af33187e523fcbe8f4a741fda56c27fe52f9d7186aae7323c5e4a68a09655a54281b2dc39

  • SSDEEP

    3072:Rr8WDrC1lTgobhoeCc+4+QT9xLO85qYI+pwDm892mOQwGHB46LBX:tu1lkobhZCyzLOzYI+g9tB46LBX

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
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\de12c907582b3e3316519e9d1811dfab9de8a5110510c5915882a08d50b48750.exe
    "C:\Users\Admin\AppData\Local\Temp\de12c907582b3e3316519e9d1811dfab9de8a5110510c5915882a08d50b48750.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:2580
    • C:\Users\Admin\AppData\Local\Temp\3582-490\de12c907582b3e3316519e9d1811dfab9de8a5110510c5915882a08d50b48750.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\de12c907582b3e3316519e9d1811dfab9de8a5110510c5915882a08d50b48750.exe"
      2⤵
      • Executes dropped EXE
      PID:4256

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\de12c907582b3e3316519e9d1811dfab9de8a5110510c5915882a08d50b48750.exe

    Filesize

    176KB

    MD5

    99bce67dff1a5d1cd0233e5699dbefb8

    SHA1

    9537d7409cc20ddad0dbbb1f5d363449a0f9b740

    SHA256

    e2f47b06c19e553eeadc7978a138a3dcb41ce869f1acd97c62209dda36cf370c

    SHA512

    7356e641f543b247beb69f9bfb5e8e02fe3aea90a2d4584bffb3799a02cafb61523809586323276a041d607e6e3b47cc8557c31d32dcd28b1b9a02e09fe74f36

  • C:\Users\Admin\AppData\Local\Temp\3582-490\de12c907582b3e3316519e9d1811dfab9de8a5110510c5915882a08d50b48750.exe

    Filesize

    176KB

    MD5

    99bce67dff1a5d1cd0233e5699dbefb8

    SHA1

    9537d7409cc20ddad0dbbb1f5d363449a0f9b740

    SHA256

    e2f47b06c19e553eeadc7978a138a3dcb41ce869f1acd97c62209dda36cf370c

    SHA512

    7356e641f543b247beb69f9bfb5e8e02fe3aea90a2d4584bffb3799a02cafb61523809586323276a041d607e6e3b47cc8557c31d32dcd28b1b9a02e09fe74f36

  • memory/4256-132-0x0000000000000000-mapping.dmp