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Overview

overview

10

Static

static

edd4c9dad9...9e.exe

windows7-x64

10

edd4c9dad9...9e.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    186s
  • max time network
    197s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/12/2022, 02:24

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General

  • Target

    edd4c9dad9784b6ba842872d275d6ac92965702e58dc70d23d78ae2a97f4699e.exe

  • Size

    320KB

  • MD5

    021ec433535004ae16febe9b8f8acf6f

  • SHA1

    8b7b9f21e5be29465e62b3e4a3fe54bf6b38df3a

  • SHA256

    edd4c9dad9784b6ba842872d275d6ac92965702e58dc70d23d78ae2a97f4699e

  • SHA512

    49976d2ab3c9315026fd95804cae799a65ceb64d229de64c84613b4b1ef31e35488e8bda26555c32bde19a25541ec795b70680d7946aeb880bd9e55bf79cfcaf

  • SSDEEP

    6144:eTw4o1IV3puaibGKFHi0mofhaH05kipz016580bHFMWu86JQPDHDdx/QtqR:gmgvmzFHi0mo5aH0qMzd5807FKPJQPDV

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 30 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 5 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 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 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\edd4c9dad9784b6ba842872d275d6ac92965702e58dc70d23d78ae2a97f4699e.exe
    "C:\Users\Admin\AppData\Local\Temp\edd4c9dad9784b6ba842872d275d6ac92965702e58dc70d23d78ae2a97f4699e.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:2608
    • C:\Users\Admin\AppData\Local\Temp\echqr.exe
      "C:\Users\Admin\AppData\Local\Temp\echqr.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
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • System policy modification
      PID:4104
    • C:\Users\Admin\AppData\Local\Temp\echqr.exe
      "C:\Users\Admin\AppData\Local\Temp\echqr.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:5060
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:1360

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      704KB

      MD5

      f5a5ea44f03021dc8535622cece216ba

      SHA1

      da74b03dfba50fadb7a2ab3321b3f6e4bd68dea6

      SHA256

      04414028ce25e5010e20dffecbced4a920325e52a0ebf9b8e9b935afc3049059

      SHA512

      9a8baa335ebac9f8453ae69e846d4adb4760f6427d2eb8543167694359ed5dc6bb5a51b9daec9d67ee9c871bc5d2b6149a88c50b4bee841d4622187e42763b88

      Download Submit

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

      704KB

      MD5

      f5a5ea44f03021dc8535622cece216ba

      SHA1

      da74b03dfba50fadb7a2ab3321b3f6e4bd68dea6

      SHA256

      04414028ce25e5010e20dffecbced4a920325e52a0ebf9b8e9b935afc3049059

      SHA512

      9a8baa335ebac9f8453ae69e846d4adb4760f6427d2eb8543167694359ed5dc6bb5a51b9daec9d67ee9c871bc5d2b6149a88c50b4bee841d4622187e42763b88

      Download Submit

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

      704KB

      MD5

      f5a5ea44f03021dc8535622cece216ba

      SHA1

      da74b03dfba50fadb7a2ab3321b3f6e4bd68dea6

      SHA256

      04414028ce25e5010e20dffecbced4a920325e52a0ebf9b8e9b935afc3049059

      SHA512

      9a8baa335ebac9f8453ae69e846d4adb4760f6427d2eb8543167694359ed5dc6bb5a51b9daec9d67ee9c871bc5d2b6149a88c50b4bee841d4622187e42763b88

      Download Submit