Overview

overview

10

Static

static

d16605e415...3f.exe

windows7-x64

10

d16605e415...3f.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    109s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-10-2022 03:41

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General

  • Target

    d16605e415481e1825eb32856c4453937080bd0db67b028ea4a8d46aac03d43f.exe

  • Size

    2.0MB

  • MD5

    4baba246d86b3ae08fb2dc9a490be040

  • SHA1

    6bc3ab2e5d1028da543dcbf6e2d343a330e99f53

  • SHA256

    d16605e415481e1825eb32856c4453937080bd0db67b028ea4a8d46aac03d43f

  • SHA512

    2037339888c6cebf47c1ce162004f47ed0093b37ab14b9d577cc272fcd1d1fc2278ed5afd94bd9ce36bf6c1d4b6b0f77d0ca6e60cbfb493a4919b98555a29c7a

  • SSDEEP

    6144:JcFvrd1rWkNYiclkBw1x42dy8r1YAbycKkub86JQPDHDdx/QtqV:+1dCicWy1xFc8r1NbZKbPJQPDHvd

Score
10/10
evasionpersistencetrojan

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 3 IoCs
    persistence
  • UAC bypass 3 TTPs 12 IoCs
    evasiontrojan
  • Adds policy Run key to start application 2 TTPs 26 IoCs
    persistence
  • Disables RegEdit via registry modification 6 IoCs
    evasion
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 64 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 6 IoCs
    evasiontrojan
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • System policy modification 1 TTPs 39 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\d16605e415481e1825eb32856c4453937080bd0db67b028ea4a8d46aac03d43f.exe
    "C:\Users\Admin\AppData\Local\Temp\d16605e415481e1825eb32856c4453937080bd0db67b028ea4a8d46aac03d43f.exe"
    1⤵
    • Modifies WinLogon for persistence
    • UAC bypass
    • Adds policy Run key to start application
    • Disables RegEdit via registry modification
    • Checks computer location settings
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2292
    • C:\Users\Admin\AppData\Local\Temp\xfixekj.exe
      "C:\Users\Admin\AppData\Local\Temp\xfixekj.exe" "-"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • System policy modification
      PID:3076
    • C:\Users\Admin\AppData\Local\Temp\xfixekj.exe
      "C:\Users\Admin\AppData\Local\Temp\xfixekj.exe" "-"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Modifies registry class
      • System policy modification
      PID:1280
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3084

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\xfixekj.exe
      Filesize

      3.0MB

      MD5

      7d0104b7fc0ca61bfe900905e507f01a

      SHA1

      12ebe95a13ae440518b16936c6cf88de5583edbf

      SHA256

      c284d55e8bc713fb76960279d030f3e0f14cc63be5c44ce14123f24df101805b

      SHA512

      9dcfd1c2f3bda50ee2ecb15dff00b7daf4e3904f67a23726be49251a6ceac78be6a9fe4335c2403f8ed2db08df9825bd08f9d0fc961e45d12306d1f93a020fcd

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\xfixekj.exe
      Filesize

      3.0MB

      MD5

      7d0104b7fc0ca61bfe900905e507f01a

      SHA1

      12ebe95a13ae440518b16936c6cf88de5583edbf

      SHA256

      c284d55e8bc713fb76960279d030f3e0f14cc63be5c44ce14123f24df101805b

      SHA512

      9dcfd1c2f3bda50ee2ecb15dff00b7daf4e3904f67a23726be49251a6ceac78be6a9fe4335c2403f8ed2db08df9825bd08f9d0fc961e45d12306d1f93a020fcd

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\xfixekj.exe
      Filesize

      3.0MB

      MD5

      7d0104b7fc0ca61bfe900905e507f01a

      SHA1

      12ebe95a13ae440518b16936c6cf88de5583edbf

      SHA256

      c284d55e8bc713fb76960279d030f3e0f14cc63be5c44ce14123f24df101805b

      SHA512

      9dcfd1c2f3bda50ee2ecb15dff00b7daf4e3904f67a23726be49251a6ceac78be6a9fe4335c2403f8ed2db08df9825bd08f9d0fc961e45d12306d1f93a020fcd

      Download Submit