Analysis

  • max time kernel
    151s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-11-2022 11:51

General

  • Target

    085684e8a9229e3ce0441644a328c9ddbb0d747eba60ae9aa560aaea8a133d8a.exe

  • Size

    88KB

  • MD5

    25118b427f1a9021a6a964fa9b68d926

  • SHA1

    9bb75efb6e8d206a9a6f67663957c3b79e03f2b0

  • SHA256

    085684e8a9229e3ce0441644a328c9ddbb0d747eba60ae9aa560aaea8a133d8a

  • SHA512

    1a285db2af3c432be4559bb56737f03b1f3441ebb6e8c15a3678ac113ddab93ed29ff8038212cc17e230f07f389ffeefb76f51d06f878d5e2896255e42310f68

  • SSDEEP

    1536:yxqjQ+P04wsZLnDrCug4BmmLw+0BZNqAPaA4:zr8WDrCug4B70BZUzA4

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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\085684e8a9229e3ce0441644a328c9ddbb0d747eba60ae9aa560aaea8a133d8a.exe
    "C:\Users\Admin\AppData\Local\Temp\085684e8a9229e3ce0441644a328c9ddbb0d747eba60ae9aa560aaea8a133d8a.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\085684e8a9229e3ce0441644a328c9ddbb0d747eba60ae9aa560aaea8a133d8a.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\085684e8a9229e3ce0441644a328c9ddbb0d747eba60ae9aa560aaea8a133d8a.exe"
      2⤵
      • Executes dropped EXE
      PID:4988

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

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\085684e8a9229e3ce0441644a328c9ddbb0d747eba60ae9aa560aaea8a133d8a.exe
    Filesize

    48KB

    MD5

    7b378b6b21e807d8b4732868df06a33d

    SHA1

    a23b2b1d81ba32e518018a1dd824daef0eafe2ea

    SHA256

    5b245c46cee144f7a6613c3ab1b0e2954c042d6daee0b310ab9e9340eef9ff94

    SHA512

    7a9a06706ef7bf83f4da2305d1cbb20428d32a4cd17be73966c0b0de5f1d1b20259309e03ade995837e8209c25e8b699760ff8c66d2e52a2d602d3f6bc4b9209

  • C:\Users\Admin\AppData\Local\Temp\3582-490\085684e8a9229e3ce0441644a328c9ddbb0d747eba60ae9aa560aaea8a133d8a.exe
    Filesize

    48KB

    MD5

    7b378b6b21e807d8b4732868df06a33d

    SHA1

    a23b2b1d81ba32e518018a1dd824daef0eafe2ea

    SHA256

    5b245c46cee144f7a6613c3ab1b0e2954c042d6daee0b310ab9e9340eef9ff94

    SHA512

    7a9a06706ef7bf83f4da2305d1cbb20428d32a4cd17be73966c0b0de5f1d1b20259309e03ade995837e8209c25e8b699760ff8c66d2e52a2d602d3f6bc4b9209

  • memory/4988-132-0x0000000000000000-mapping.dmp
  • memory/4988-135-0x00007FFDDEAE0000-0x00007FFDDF516000-memory.dmp
    Filesize

    10.2MB