Overview

overview

8

Static

static

uEhCwMFD.exe

windows7_x64

8

uEhCwMFD.exe

windows10_x64

8

Analysis

  • max time kernel
    147s
  • max time network
    142s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    21-04-2021 17:48

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General

  • Target

    uEhCwMFD.exe

  • Size

    29KB

  • MD5

    4666a4144de0c73bfdc0408a74f9b851

  • SHA1

    a56729b1ef81d5fa63e8653d3f128f7af8c006a3

  • SHA256

    ecf161f5835d8bb37183dc34367260df19269ca98c80ff07f3a602ce673826e7

  • SHA512

    660ea19a8e396a532ee49c8fcbab4c4f2dfab29601e2759ab19ace2c933723e515aa79f33da0e23d3c8ba494a441373f8133f27727075643de4084cc7069f62f

Score
8/10
evasion

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 48 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\uEhCwMFD.exe
    "C:\Users\Admin\AppData\Local\Temp\uEhCwMFD.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:572
    • C:\Users\Admin\AppData\Local\Temp\lahana.exe
      "C:\Users\Admin\AppData\Local\Temp\lahana.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2780
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\lahana.exe" "lahana.exe" ENABLE
        3⤵
          PID:3688

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Modify Existing Service

    1
    T1031

    Privilege Escalation

    Defense Evasion

    Credential Access

    Discovery

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

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

      4666a4144de0c73bfdc0408a74f9b851

      SHA1

      a56729b1ef81d5fa63e8653d3f128f7af8c006a3

      SHA256

      ecf161f5835d8bb37183dc34367260df19269ca98c80ff07f3a602ce673826e7

      SHA512

      660ea19a8e396a532ee49c8fcbab4c4f2dfab29601e2759ab19ace2c933723e515aa79f33da0e23d3c8ba494a441373f8133f27727075643de4084cc7069f62f

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\lahana.exe
      MD5

      4666a4144de0c73bfdc0408a74f9b851

      SHA1

      a56729b1ef81d5fa63e8653d3f128f7af8c006a3

      SHA256

      ecf161f5835d8bb37183dc34367260df19269ca98c80ff07f3a602ce673826e7

      SHA512

      660ea19a8e396a532ee49c8fcbab4c4f2dfab29601e2759ab19ace2c933723e515aa79f33da0e23d3c8ba494a441373f8133f27727075643de4084cc7069f62f

      Download Submit
    • memory/572-114-0x0000000002350000-0x0000000002351000-memory.dmp
      Filesize

      4KB

      Download
    • memory/2780-115-0x0000000000000000-mapping.dmp
      Download
    • memory/2780-119-0x00000000021D0000-0x00000000021D1000-memory.dmp
      Filesize

      4KB

      Download
    • memory/2780-120-0x00000000021D1000-0x00000000021D2000-memory.dmp
      Filesize

      4KB

      Download
    • memory/2780-121-0x00000000021D4000-0x00000000021D6000-memory.dmp
      Filesize

      8KB

      Download
    • memory/3688-118-0x0000000000000000-mapping.dmp
      Download