Overview

overview

8

Static

static

8

c8dae713cd...be.exe

windows7-x64

8

c8dae713cd...be.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    112s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-10-2022 08:04

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General

  • Target

    c8dae713cd544c598e60c602290ee65b0eb92c9d02c01e8d2c78f9197cb75fbe.exe

  • Size

    350KB

  • MD5

    5dc0752eed15944b6f04a6d938185290

  • SHA1

    876bed93f6ffc09a528b3a285397d1bd93069766

  • SHA256

    c8dae713cd544c598e60c602290ee65b0eb92c9d02c01e8d2c78f9197cb75fbe

  • SHA512

    a58a9a454d6fa80cc872c088d6e9cbfbd06b9b71c4a90732f2be68cc766571279e59e7fa7ddc1a8cb7099f68e763f3fa188839bcc8e3308b74ad8212f418dcdf

  • SSDEEP

    6144:9yXu7IEBSsQ9ElMwm60lmqs7MTRGA3h3GVqdppJXEGhBukJF/KAwxFUOWdEmh:93BdQLL4BE93NGVYZX9BukJlwxSJdEm

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\c8dae713cd544c598e60c602290ee65b0eb92c9d02c01e8d2c78f9197cb75fbe.exe
    "C:\Users\Admin\AppData\Local\Temp\c8dae713cd544c598e60c602290ee65b0eb92c9d02c01e8d2c78f9197cb75fbe.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:4936
    • 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:1292
      • 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:4992
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:4268
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
      2⤵
        PID:4644

    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

      b7e131ce6db5d08d69fb167a67d741a7

      SHA1

      2103b8d38cd3c6e4d5158cb653b4cedbd2223238

      SHA256

      0eb9c8c2c39ad4d7699c22cdb67e81724bf7ec8edcbfd5260454af187bb1545a

      SHA512

      963a8d2d935ffc0d6a497c9ed44f5dc158ddc0edcefc4d9e97548c0e103b787bed0fa3b1cfa3165363b7e18254f9e00d1b00ddebb25b76254f3825d76293452b

      Download Submit
    • memory/1292-134-0x0000000000000000-mapping.dmp
      Download
    • memory/4268-136-0x0000000000000000-mapping.dmp
      Download
    • memory/4644-137-0x0000000000000000-mapping.dmp
      Download
    • memory/4936-132-0x0000000001000000-0x000000000112D000-memory.dmp
      Filesize

      1.2MB

      Download
    • memory/4936-133-0x0000000001000000-0x000000000112D000-memory.dmp
      Filesize

      1.2MB

      Download
    • memory/4936-138-0x0000000001000000-0x000000000112D000-memory.dmp
      Filesize

      1.2MB

      Download
    • memory/4992-135-0x0000000000000000-mapping.dmp
      Download