Overview

overview

10

Static

static

523bd5d85c...cd.exe

windows7-x64

10

523bd5d85c...cd.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    187s
  • max time network
    190s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-10-2022 21:11

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General

  • Target

    523bd5d85c8c03e69700934972c154678ee9a09113839c4243c3b3a597f3e2cd.exe

  • Size

    109KB

  • MD5

    a00b0e934ffc9b757ecdf209d941a5c0

  • SHA1

    07ada1eb9d648d040a423d6ddea977a341f7f0a2

  • SHA256

    523bd5d85c8c03e69700934972c154678ee9a09113839c4243c3b3a597f3e2cd

  • SHA512

    dfc2d85a7d2073825a18eec14f8676a1166df235bc7d1c2bb52b7a4e43ae8e4d77344614b5e4180e146ea693315d189020ee05e90678bbcbdaf2988b497ddb67

  • SSDEEP

    3072:JTbD29WtS209fvFGgCr+zHB7szvphZ5gQrwWwzdFxI+:BbaLBFGNvphZ5HZGdF

Score
10/10
persistence

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\523bd5d85c8c03e69700934972c154678ee9a09113839c4243c3b3a597f3e2cd.exe
    "C:\Users\Admin\AppData\Local\Temp\523bd5d85c8c03e69700934972c154678ee9a09113839c4243c3b3a597f3e2cd.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4356
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v shell /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\PjqlzDUk\4QNG1Yp.exe,explorer.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3476
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v shell /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\PjqlzDUk\4QNG1Yp.exe,explorer.exe"
        3⤵
        • Modifies WinLogon for persistence
        PID:228
    • C:\Users\Admin\AppData\Local\Temp\523bd5d85c8c03e69700934972c154678ee9a09113839c4243c3b3a597f3e2cd.exe
      "C:\Users\Admin\AppData\Local\Temp\523bd5d85c8c03e69700934972c154678ee9a09113839c4243c3b3a597f3e2cd.exe"
      2⤵
      • Executes dropped EXE
      PID:2432
    • C:\Users\Admin\AppData\Local\Temp\523bd5d85c8c03e69700934972c154678ee9a09113839c4243c3b3a597f3e2cd.exe
      "C:\Users\Admin\AppData\Local\Temp\523bd5d85c8c03e69700934972c154678ee9a09113839c4243c3b3a597f3e2cd.exe"
      2⤵
      • Executes dropped EXE
      PID:872
    • C:\Users\Admin\AppData\Local\Temp\523bd5d85c8c03e69700934972c154678ee9a09113839c4243c3b3a597f3e2cd.exe
      "C:\Users\Admin\AppData\Local\Temp\523bd5d85c8c03e69700934972c154678ee9a09113839c4243c3b3a597f3e2cd.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      PID:3220

Network

MITRE ATT&CK Enterprise v6

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\523bd5d85c8c03e69700934972c154678ee9a09113839c4243c3b3a597f3e2cd.exe
    Filesize

    109KB

    MD5

    a00b0e934ffc9b757ecdf209d941a5c0

    SHA1

    07ada1eb9d648d040a423d6ddea977a341f7f0a2

    SHA256

    523bd5d85c8c03e69700934972c154678ee9a09113839c4243c3b3a597f3e2cd

    SHA512

    dfc2d85a7d2073825a18eec14f8676a1166df235bc7d1c2bb52b7a4e43ae8e4d77344614b5e4180e146ea693315d189020ee05e90678bbcbdaf2988b497ddb67

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\523bd5d85c8c03e69700934972c154678ee9a09113839c4243c3b3a597f3e2cd.exe
    Filesize

    109KB

    MD5

    a00b0e934ffc9b757ecdf209d941a5c0

    SHA1

    07ada1eb9d648d040a423d6ddea977a341f7f0a2

    SHA256

    523bd5d85c8c03e69700934972c154678ee9a09113839c4243c3b3a597f3e2cd

    SHA512

    dfc2d85a7d2073825a18eec14f8676a1166df235bc7d1c2bb52b7a4e43ae8e4d77344614b5e4180e146ea693315d189020ee05e90678bbcbdaf2988b497ddb67

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\523bd5d85c8c03e69700934972c154678ee9a09113839c4243c3b3a597f3e2cd.exe
    Filesize

    109KB

    MD5

    a00b0e934ffc9b757ecdf209d941a5c0

    SHA1

    07ada1eb9d648d040a423d6ddea977a341f7f0a2

    SHA256

    523bd5d85c8c03e69700934972c154678ee9a09113839c4243c3b3a597f3e2cd

    SHA512

    dfc2d85a7d2073825a18eec14f8676a1166df235bc7d1c2bb52b7a4e43ae8e4d77344614b5e4180e146ea693315d189020ee05e90678bbcbdaf2988b497ddb67

    Download Submit

  • memory/3220-140-0x0000000000400000-0x0000000000483000-memory.dmp

    Filesize

    524KB

    Download

  • memory/3220-143-0x0000000000400000-0x0000000000483000-memory.dmp

    Filesize

    524KB

    Download

  • memory/3220-145-0x0000000000400000-0x0000000000483000-memory.dmp

    Filesize

    524KB

    Download

  • memory/3220-146-0x0000000000400000-0x0000000000483000-memory.dmp

    Filesize

    524KB

    Download

  • memory/4356-132-0x0000000074A30000-0x0000000074FE1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4356-144-0x0000000074A30000-0x0000000074FE1000-memory.dmp

    Filesize

    5.7MB

    Download