Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    14-05-2021 23:50

General

  • Target

    1f9950f309093d29f84abf9501626a13f1facbe7ae7d728cf050b4426f4271f0.exe

  • Size

    36KB

  • MD5

    c40749d85d2fb26295bda6778b5208d4

  • SHA1

    122e03e50e00efb8e7ae3fe156ad5242f3a095b2

  • SHA256

    1f9950f309093d29f84abf9501626a13f1facbe7ae7d728cf050b4426f4271f0

  • SHA512

    fe9b2521c781228349693f892aec1d88e772354c292c2d07534ecff50162a990b288273aa6160e392d80a1f1fa732a895ca6f195d0868fa48c0669be2cdf7c0f

Score
10/10

Malware Config

Signatures

  • Upatre

    Upatre is a generic malware downloader.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1f9950f309093d29f84abf9501626a13f1facbe7ae7d728cf050b4426f4271f0.exe
    "C:\Users\Admin\AppData\Local\Temp\1f9950f309093d29f84abf9501626a13f1facbe7ae7d728cf050b4426f4271f0.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:908

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\szgfw.exe

    MD5

    423827664156d80fdcbb9d2a4601e8a8

    SHA1

    91956c3b87e31133dab29286ce551011c8c66754

    SHA256

    3a0e347907b1fec829cce64b5ecb4a13ec309def5c4e0a29b306d89cac3f2dcb

    SHA512

    718386e55369aa6d742f982dc680af8743c9b1a4edd9f75aee5d7365faa58133212ca4b48c98301b0098897950e15083beb25f4c8c789c339a90d1664a8a46fd

  • C:\Users\Admin\AppData\Local\Temp\szgfw.exe

    MD5

    423827664156d80fdcbb9d2a4601e8a8

    SHA1

    91956c3b87e31133dab29286ce551011c8c66754

    SHA256

    3a0e347907b1fec829cce64b5ecb4a13ec309def5c4e0a29b306d89cac3f2dcb

    SHA512

    718386e55369aa6d742f982dc680af8743c9b1a4edd9f75aee5d7365faa58133212ca4b48c98301b0098897950e15083beb25f4c8c789c339a90d1664a8a46fd

  • \Users\Admin\AppData\Local\Temp\szgfw.exe

    MD5

    423827664156d80fdcbb9d2a4601e8a8

    SHA1

    91956c3b87e31133dab29286ce551011c8c66754

    SHA256

    3a0e347907b1fec829cce64b5ecb4a13ec309def5c4e0a29b306d89cac3f2dcb

    SHA512

    718386e55369aa6d742f982dc680af8743c9b1a4edd9f75aee5d7365faa58133212ca4b48c98301b0098897950e15083beb25f4c8c789c339a90d1664a8a46fd

  • \Users\Admin\AppData\Local\Temp\szgfw.exe

    MD5

    423827664156d80fdcbb9d2a4601e8a8

    SHA1

    91956c3b87e31133dab29286ce551011c8c66754

    SHA256

    3a0e347907b1fec829cce64b5ecb4a13ec309def5c4e0a29b306d89cac3f2dcb

    SHA512

    718386e55369aa6d742f982dc680af8743c9b1a4edd9f75aee5d7365faa58133212ca4b48c98301b0098897950e15083beb25f4c8c789c339a90d1664a8a46fd

  • memory/908-62-0x0000000000000000-mapping.dmp

  • memory/1976-59-0x0000000076691000-0x0000000076693000-memory.dmp

    Filesize

    8KB

  • memory/1976-65-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB