Overview

overview

8

Static

static

8

1771f7813d...6a.exe

windows7-x64

8

1771f7813d...6a.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-11-2022 17:38

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General

  • Target

    1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe

  • Size

    350KB

  • MD5

    01202732d53aa438f714aa18a1969b30

  • SHA1

    ae3ffc7b5c00a3288658034586ebeaa848cb9594

  • SHA256

    1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a

  • SHA512

    057165ccca0fadb21c01f8269018999d2e5d02e2e7d6782da20a1d11afd067e1077895443bd61b53b1e4dd8f3c3717091a5d78c81bb94e5d08763928df5b7622

  • SSDEEP

    6144:4yXu7IEBSsQ9ElMwm60lmqs7MTRGA3h3GVqdppJXEGhBukJF/KAwxFUOWdEmh:43BdQLL4BE93NGVYZX9BukJlwxSJdEm

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\1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
    "C:\Users\Admin\AppData\Local\Temp\1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.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:3708
    • 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:4668
      • 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:1620
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:2044
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
      2⤵
        PID:3444

    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

      747b319ed12e093e199d69450a81db81

      SHA1

      ac77e6c689de008ce7d8dc452b3a6b14a0b7c2ca

      SHA256

      ce771a39885616f1518795be7ea60750be4dd5cdb4d873132f635cdb29a7659c

      SHA512

      2d762c45bc82ba29970d9d87297a9701bc9ed1ef89600c4ffe81a7b0be1091f6b5012f4d07f49a8afb49f96eab14df2842246f3cf5364ff04ca6cb6be16d03ac

      Download Submit
    • memory/1620-135-0x0000000000000000-mapping.dmp
      Download
    • memory/2044-136-0x0000000000000000-mapping.dmp
      Download
    • memory/3444-137-0x0000000000000000-mapping.dmp
      Download
    • memory/3708-132-0x0000000001000000-0x000000000112D000-memory.dmp
      Filesize

      1.2MB

      Download
    • memory/3708-133-0x0000000001000000-0x000000000112D000-memory.dmp
      Filesize

      1.2MB

      Download
    • memory/3708-138-0x0000000001000000-0x000000000112D000-memory.dmp
      Filesize

      1.2MB

      Download
    • memory/4668-134-0x0000000000000000-mapping.dmp
      Download