Overview

overview

10

Static

static

8

c3e2d39c67...f1.exe

windows7-x64

10

c3e2d39c67...f1.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    153s
  • max time network
    199s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2022 08:50

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General

  • Target

    c3e2d39c6754c0fe9162ca554513efcbae79653996c61eba46cce844ce8c7bf1.exe

  • Size

    260KB

  • MD5

    1557e68b525d56d1b3de05ff6c28b6a0

  • SHA1

    aab6ecceca716318881522bb9bbcc3a801fbdd45

  • SHA256

    c3e2d39c6754c0fe9162ca554513efcbae79653996c61eba46cce844ce8c7bf1

  • SHA512

    93b43554535bbd4b3af46c4278a6e310f0fd8f6f28cdb03acc6c7e6feabcea748d6fcaa1fa1c812e360c11296250f799d70e3eace3af088777c575b81789eb99

  • SSDEEP

    3072:P33RyyebmUnstmppoJ5ISUzhRLUwh8464U/jTEmoutVe9WZl:v3RtebmUnstmppoJvoSMAz

Score
10/10
evasionpersistencespywarestealertrojanupx

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 14 IoCs
    evasion
  • Modifies security service 2 TTPs 1 IoCs
    evasion
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • UAC bypass 3 TTPs 3 IoCs
    evasiontrojan
  • Windows security bypass 2 TTPs 4 IoCs
    evasiontrojan
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Disables Task Manager via registry modification
    evasion
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Sets file execution options in registry 2 TTPs 64 IoCs
    persistence
  • UPX packed file 14 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Windows security modification 2 TTPs 15 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies Internet Explorer settings 1 TTPs 14 IoCs
    adwarespyware
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
    stealer
  • Modifies registry class 24 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
    evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • System policy modification 1 TTPs 4 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\c3e2d39c6754c0fe9162ca554513efcbae79653996c61eba46cce844ce8c7bf1.exe
    "C:\Users\Admin\AppData\Local\Temp\c3e2d39c6754c0fe9162ca554513efcbae79653996c61eba46cce844ce8c7bf1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:940
    • C:\Users\Admin\E696D64614\winlogon.exe
      "C:\Users\Admin\E696D64614\winlogon.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:764
      • C:\Users\Admin\E696D64614\winlogon.exe
        "C:\Users\Admin\E696D64614\winlogon.exe"
        3⤵
        • Modifies firewall policy service
        • Modifies security service
        • Modifies visibility of file extensions in Explorer
        • Modifies visiblity of hidden/system files in Explorer
        • UAC bypass
        • Windows security bypass
        • Disables RegEdit via registry modification
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Sets file execution options in registry
        • Windows security modification
        • Adds Run key to start application
        • Checks whether UAC is enabled
        • Modifies Control Panel
        • Modifies Internet Explorer settings
        • Modifies Internet Explorer start page
        • Modifies registry class
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • System policy modification
        PID:1012

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\E696D64614\winlogon.exe
    Filesize

    260KB

    MD5

    1557e68b525d56d1b3de05ff6c28b6a0

    SHA1

    aab6ecceca716318881522bb9bbcc3a801fbdd45

    SHA256

    c3e2d39c6754c0fe9162ca554513efcbae79653996c61eba46cce844ce8c7bf1

    SHA512

    93b43554535bbd4b3af46c4278a6e310f0fd8f6f28cdb03acc6c7e6feabcea748d6fcaa1fa1c812e360c11296250f799d70e3eace3af088777c575b81789eb99

    Download Submit

  • C:\Users\Admin\E696D64614\winlogon.exe
    Filesize

    260KB

    MD5

    1557e68b525d56d1b3de05ff6c28b6a0

    SHA1

    aab6ecceca716318881522bb9bbcc3a801fbdd45

    SHA256

    c3e2d39c6754c0fe9162ca554513efcbae79653996c61eba46cce844ce8c7bf1

    SHA512

    93b43554535bbd4b3af46c4278a6e310f0fd8f6f28cdb03acc6c7e6feabcea748d6fcaa1fa1c812e360c11296250f799d70e3eace3af088777c575b81789eb99

    Download Submit

  • C:\Users\Admin\E696D64614\winlogon.exe
    Filesize

    260KB

    MD5

    1557e68b525d56d1b3de05ff6c28b6a0

    SHA1

    aab6ecceca716318881522bb9bbcc3a801fbdd45

    SHA256

    c3e2d39c6754c0fe9162ca554513efcbae79653996c61eba46cce844ce8c7bf1

    SHA512

    93b43554535bbd4b3af46c4278a6e310f0fd8f6f28cdb03acc6c7e6feabcea748d6fcaa1fa1c812e360c11296250f799d70e3eace3af088777c575b81789eb99

    Download Submit

  • \Users\Admin\E696D64614\winlogon.exe
    Filesize

    260KB

    MD5

    1557e68b525d56d1b3de05ff6c28b6a0

    SHA1

    aab6ecceca716318881522bb9bbcc3a801fbdd45

    SHA256

    c3e2d39c6754c0fe9162ca554513efcbae79653996c61eba46cce844ce8c7bf1

    SHA512

    93b43554535bbd4b3af46c4278a6e310f0fd8f6f28cdb03acc6c7e6feabcea748d6fcaa1fa1c812e360c11296250f799d70e3eace3af088777c575b81789eb99

    Download Submit

  • \Users\Admin\E696D64614\winlogon.exe
    Filesize

    260KB

    MD5

    1557e68b525d56d1b3de05ff6c28b6a0

    SHA1

    aab6ecceca716318881522bb9bbcc3a801fbdd45

    SHA256

    c3e2d39c6754c0fe9162ca554513efcbae79653996c61eba46cce844ce8c7bf1

    SHA512

    93b43554535bbd4b3af46c4278a6e310f0fd8f6f28cdb03acc6c7e6feabcea748d6fcaa1fa1c812e360c11296250f799d70e3eace3af088777c575b81789eb99

    Download Submit

  • memory/764-65-0x0000000000400000-0x0000000000487000-memory.dmp

    Filesize

    540KB

    Download

  • memory/764-67-0x0000000000400000-0x0000000000487000-memory.dmp

    Filesize

    540KB

    Download

  • memory/940-56-0x0000000000400000-0x0000000000487000-memory.dmp

    Filesize

    540KB

    Download

  • memory/940-63-0x0000000000400000-0x0000000000487000-memory.dmp

    Filesize

    540KB

    Download

  • memory/940-57-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1012-73-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/1012-69-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/1012-74-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/1012-78-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/1012-79-0x0000000003B50000-0x0000000004BB2000-memory.dmp

    Filesize

    16.4MB

    Download

  • memory/1012-80-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download