Overview

overview

8

Static

static

8

861da9737e...d7.exe

windows7-x64

8

861da9737e...d7.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    92s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-10-2022 16:21

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General

  • Target

    861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe

  • Size

    350KB

  • MD5

    91040f918e84da7c5fc516fb7f00dfb0

  • SHA1

    faa91ea6fe580dd9540908ae9b55118b862e3e00

  • SHA256

    861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7

  • SHA512

    47436b8e4698caf6c086d2432c52346fd1f8a0c994f479c6b6be7308726cf9039dd199f4f6c9d1079ac37d6eab5717293dd784178475b34ddd6eaec272c60f30

  • SSDEEP

    6144:nyXu7IEBSsQ9ElMwm60lmqs7MTRGA3h3GVqdppJXEGhBukJF/KAwxFUOWdEmh:n3BdQLL4BE93NGVYZX9BukJlwxSJdEm

Score
8/10
adwarediscoveryexploitpersistencestealerupx

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Possible privilege escalation attempt 2 IoCs
    exploit
  • Sets service image path in registry 2 TTPs 2 IoCs
    persistence
  • UPX packed file 3 IoCs

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

    upx
  • Modifies file permissions 1 TTPs 2 IoCs
    discovery
  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

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

    stealeradware
  • Drops file in System32 directory 5 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
    "C:\Users\Admin\AppData\Local\Temp\861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe"
    1⤵
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: LoadsDriver
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:932
    • 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:2548
      • 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:3132
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:3320
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
      2⤵
        PID:3876

    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

    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

      1aeb4c0d8a3d17647db6e68619c0b653

      SHA1

      41f2ea60972ebd5ff09850dcf7fb04b3d642c84a

      SHA256

      16e21d9ea401cc782d33f5f3a4a9dd992ec33943295ff4fbc181ab194258322c

      SHA512

      36962bd6bb9310fa4436bce66687ad1a5ac7ef096e36fd162dc696a8d0533b820413f6c890b3234ab30184ec325338ec2b48b15e9dd3ee8466552e32be4546e1

      Download Submit
    • memory/932-132-0x0000000001000000-0x000000000112D000-memory.dmp
      Filesize

      1.2MB

      Download
    • memory/932-133-0x0000000001000000-0x000000000112D000-memory.dmp
      Filesize

      1.2MB

      Download
    • memory/932-139-0x0000000001000000-0x000000000112D000-memory.dmp
      Filesize

      1.2MB

      Download
    • memory/2548-134-0x0000000000000000-mapping.dmp
      Download
    • memory/3132-135-0x0000000000000000-mapping.dmp
      Download
    • memory/3320-136-0x0000000000000000-mapping.dmp
      Download
    • memory/3876-137-0x0000000000000000-mapping.dmp
      Download