Overview

overview

8

Static

static

8

25a5a13da2...23.exe

windows7-x64

8

25a5a13da2...23.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    90s
  • max time network
    110s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-11-2022 04:55

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General

  • Target

    25a5a13da2a3b4b7700bb39261cbb5803ecda838dc26072988d83f5fc8a2a523.exe

  • Size

    350KB

  • MD5

    052920d1d53bdc2554f3be338d3f0d60

  • SHA1

    637e23b51d0e01c71a52aaad7b5fd5182760af23

  • SHA256

    25a5a13da2a3b4b7700bb39261cbb5803ecda838dc26072988d83f5fc8a2a523

  • SHA512

    48d8ffe281c25f3f751b3830cb839dc7aefc51ddf0ac689f17a6c1eacb193882110905aec25a106ca97c53ec8a0fd68ec6d576d2796b4c1cd73a9b8c6d49c39b

  • 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\25a5a13da2a3b4b7700bb39261cbb5803ecda838dc26072988d83f5fc8a2a523.exe
    "C:\Users\Admin\AppData\Local\Temp\25a5a13da2a3b4b7700bb39261cbb5803ecda838dc26072988d83f5fc8a2a523.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:644
    • 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:1756
      • 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:2036
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:1704
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
      2⤵
        PID:540

    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

      282200127777cc15a40ef955e0c739f7

      SHA1

      df31953823d2fa7599b59d42516865d575ddb8bb

      SHA256

      0a2066b3d93fd4fae55e7f14b45ae478bd898bed8fe428e53dcb32718607257c

      SHA512

      b39fb9de28b8e7aaf4fa02b14f052b8dcb6e3aa7e7e30b3944c64f0c617c5c11ecfa752a12874bd873edc70f6ab4274a1b9bd8594410bc72e0eb6d09449b3e83

      Download Submit
    • memory/540-137-0x0000000000000000-mapping.dmp
      Download
    • memory/644-132-0x0000000001000000-0x000000000112D000-memory.dmp
      Filesize

      1.2MB

      Download
    • memory/644-133-0x0000000001000000-0x000000000112D000-memory.dmp
      Filesize

      1.2MB

      Download
    • memory/644-138-0x0000000001000000-0x000000000112D000-memory.dmp
      Filesize

      1.2MB

      Download
    • memory/1704-136-0x0000000000000000-mapping.dmp
      Download
    • memory/1756-134-0x0000000000000000-mapping.dmp
      Download
    • memory/2036-135-0x0000000000000000-mapping.dmp
      Download