Overview

overview

9

Static

static

e1721f674c...b5.exe

windows7-x64

9

e1721f674c...b5.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    90s
  • 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
    21-10-2022 17:57

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General

  • Target

    e1721f674c057efddb47c42eb1d6d23706c324a47b3c4c2717141359d42290b5.exe

  • Size

    686KB

  • MD5

    5bb9e6b6ee66206e848b5ae8e13a6050

  • SHA1

    0a43f6178692e21e40b248e5b3900b16ba844015

  • SHA256

    e1721f674c057efddb47c42eb1d6d23706c324a47b3c4c2717141359d42290b5

  • SHA512

    7e250d7b64a490d749e632f168ff9de3af4e43845a3153477e7681c6c50de07bc937306eee138d10bd4b950500d85f31c8d7a2099edfc91c8ec806bcccc06ba3

  • SSDEEP

    12288:SwWXgoYk/6Ih6EPvj18RNwpkVo4LfQSYBus9cbxOvBY7ms7vKpnMj5pxHqZGxX:1Ww1OkEPb18wYo4LfQBn9iUvm7ms4Kxr

Score
8/10
adwarediscoveryexploitpersistencestealer

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Possible privilege escalation attempt 4 IoCs
    exploit
  • Sets service image path in registry 2 TTPs 1 IoCs
    persistence
  • Modifies file permissions 1 TTPs 4 IoCs
    discovery
  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

    stealeradware
  • Maps connected drives based on registry 3 TTPs 3 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 5 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e1721f674c057efddb47c42eb1d6d23706c324a47b3c4c2717141359d42290b5.exe
    "C:\Users\Admin\AppData\Local\Temp\e1721f674c057efddb47c42eb1d6d23706c324a47b3c4c2717141359d42290b5.exe"
    1⤵
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Installs/modifies Browser Helper Object
    • Maps connected drives based on registry
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: LoadsDriver
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2268
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c takeown /f C:\Windows\SysWOW64\wshtcpip.dll && icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4228
      • C:\Windows\SysWOW64\takeown.exe
        takeown /f C:\Windows\SysWOW64\wshtcpip.dll
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • Suspicious use of AdjustPrivilegeToken
        PID:4988
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:4900
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c takeown /f C:\Windows\SysWOW64\midimap.dll && icacls C:\Windows\SysWOW64\midimap.dll /grant administrators:F
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2720
      • C:\Windows\SysWOW64\takeown.exe
        takeown /f C:\Windows\SysWOW64\midimap.dll
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • Suspicious use of AdjustPrivilegeToken
        PID:620
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\SysWOW64\midimap.dll /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:1432
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
      2⤵
        PID:3568

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Browser Extensions

    1
    T1176

    Privilege Escalation

    Defense Evasion

    Modify Registry

    2
    T1112

    File Permissions Modification

    1
    T1222

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    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\ahnmove.bat
      Filesize

      181B

      MD5

      03f1e5560a825ced94061dd63723efbd

      SHA1

      63abdc3c54fded37893e9fe760597c14f5053114

      SHA256

      9cf53bd4728ab5c51ec8c2effaff4ff4eccf323f771924cfcefccd43d3df8c84

      SHA512

      c7523b5f53da174e524aa0f6fc00b818aad62f10ffe897f8991a4f96f8122463b3a870e5d99c31de30c488aad9d32c4bd02e172044d1568f1b4d0d8ac5edc257

      Download Submit
    • memory/620-138-0x0000000000000000-mapping.dmp
      Download
    • memory/1432-139-0x0000000000000000-mapping.dmp
      Download
    • memory/2268-141-0x0000000000BF0000-0x0000000000C10000-memory.dmp
      Filesize

      128KB

      Download
    • memory/2268-140-0x0000000001000000-0x0000000001698000-memory.dmp
      Filesize

      6.6MB

      Download
    • memory/2268-132-0x0000000001000000-0x0000000001698000-memory.dmp
      Filesize

      6.6MB

      Download
    • memory/2268-143-0x0000000001000000-0x0000000001698000-memory.dmp
      Filesize

      6.6MB

      Download
    • memory/2268-133-0x0000000000BF0000-0x0000000000C10000-memory.dmp
      Filesize

      128KB

      Download
    • memory/2720-137-0x0000000000000000-mapping.dmp
      Download
    • memory/3568-142-0x0000000000000000-mapping.dmp
      Download
    • memory/4228-134-0x0000000000000000-mapping.dmp
      Download
    • memory/4900-136-0x0000000000000000-mapping.dmp
      Download
    • memory/4988-135-0x0000000000000000-mapping.dmp
      Download