Overview

overview

8

Static

static

8

5a8062a25a...cb.exe

windows7-x64

8

5a8062a25a...cb.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    122s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2022 23:29

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General

  • Target

    5a8062a25a3fb6454de4d0d2366cd64a9344f0955e9bc8d97111fd2c12f377cb.exe

  • Size

    350KB

  • MD5

    4963e4b725d2dba1fd25d7bd1a7f5e00

  • SHA1

    43ebd785ab3145e71b73fbb2f8233b3d02a85caf

  • SHA256

    5a8062a25a3fb6454de4d0d2366cd64a9344f0955e9bc8d97111fd2c12f377cb

  • SHA512

    f2286ead38b19b086d783b7b3be887ca3f22abd57584b0444314db08be0cc1ac606636a755aaa2f651bc35a6d004c7fc2eeb5a1820bfa05ad25aa1b54cf81a42

  • SSDEEP

    6144:JyXu7IEBSsQ9ElMwm60lmqs7MTRGA3h3GVqdppJXEGhBukJF/KAwxFUOWdEmh:J3BdQLL4BE93NGVYZX9BukJlwxSJdEm

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\5a8062a25a3fb6454de4d0d2366cd64a9344f0955e9bc8d97111fd2c12f377cb.exe
    "C:\Users\Admin\AppData\Local\Temp\5a8062a25a3fb6454de4d0d2366cd64a9344f0955e9bc8d97111fd2c12f377cb.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:5072
    • 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:480
      • 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:1868
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:640
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
      2⤵
        PID:2824

    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

      5e3c0ca6167566126412d97f570397a5

      SHA1

      b6d3f7c8255b4d5035f097684a533f6effc18f1e

      SHA256

      46a68057075cd17175fad5970d2a0df870f7cbe38f2bd09fb287e4a495e2c32d

      SHA512

      e930ac218fac014e777c9100be43f025beb99013ea2460813ea352466c9ee3739eb6b1b4bba548ae36a5507ef2417afd3477456dcedc6e622b75123f0befad25

      Download Submit
    • memory/480-134-0x0000000000000000-mapping.dmp
      Download
    • memory/640-136-0x0000000000000000-mapping.dmp
      Download
    • memory/1868-135-0x0000000000000000-mapping.dmp
      Download
    • memory/2824-137-0x0000000000000000-mapping.dmp
      Download
    • memory/5072-132-0x0000000001000000-0x000000000112D000-memory.dmp
      Filesize

      1.2MB

      Download
    • memory/5072-133-0x0000000001000000-0x000000000112D000-memory.dmp
      Filesize

      1.2MB

      Download
    • memory/5072-138-0x0000000001000000-0x000000000112D000-memory.dmp
      Filesize

      1.2MB

      Download