Overview

overview

8

Static

static

8

88fcd62e2b...70.exe

windows7-x64

8

88fcd62e2b...70.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    88s
  • max time network
    77s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    19-11-2022 03:55

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General

  • Target

    88fcd62e2b07e4df503ff234f7ec3421b9647a78b3cba0dc939ae61164f70070.exe

  • Size

    350KB

  • MD5

    5952afe023e2983a9a43cf3f095528a0

  • SHA1

    dfeb897e9c429fc976d5ba3c738d6dd7cacd3e89

  • SHA256

    88fcd62e2b07e4df503ff234f7ec3421b9647a78b3cba0dc939ae61164f70070

  • SHA512

    930501e48bcf5d8165b70a8889171cf05e4505840b559ea4766ae078af1e429ed48542c9505e5f3027b8c361b520d58d9321477c6baba6f234b9d44928cb4cfb

  • SSDEEP

    6144:syXu7IEBSsQ9ElMwm60lmqs7MTRGA3h3GVqdppJXEGhBukJF/KAwxFUOWdEmh:s3BdQLL4BE93NGVYZX9BukJlwxSJdEm

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
  • Deletes itself 1 IoCs
  • Modifies file permissions 1 TTPs 2 IoCs
    discovery
  • Installs/modifies Browser Helper Object 2 TTPs 4 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 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\88fcd62e2b07e4df503ff234f7ec3421b9647a78b3cba0dc939ae61164f70070.exe
    "C:\Users\Admin\AppData\Local\Temp\88fcd62e2b07e4df503ff234f7ec3421b9647a78b3cba0dc939ae61164f70070.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:2032
    • 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:832
      • 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:740
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:1640
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
      2⤵
      • Deletes itself
      PID:1636

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

    3ba819ab638293471b2e6a6ae3cab3b6

    SHA1

    13ef0e805baf07efe2b1075817257c3e38326c4c

    SHA256

    ba4a47508d3103f4cb56a61faa06b2e01316724387f47abd99454bd0461eb81b

    SHA512

    17b185a226d42acbebff7e86fbde9d38c880ea5200834ffb8ab9968263be0296638f53c03c58c3a0d617ba140d548a668b0d95ba4ba94f2bd776c4ae45d3595e

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  • memory/740-58-0x0000000000000000-mapping.dmp
    Download
  • memory/832-57-0x0000000000000000-mapping.dmp
    Download
  • memory/1636-60-0x0000000000000000-mapping.dmp
    Download
  • memory/1640-59-0x0000000000000000-mapping.dmp
    Download
  • memory/2032-54-0x0000000001000000-0x000000000112D000-memory.dmp
    Filesize

    1.2MB

    Download
  • memory/2032-55-0x00000000767B1000-0x00000000767B3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/2032-56-0x0000000001000000-0x000000000112D000-memory.dmp
    Filesize

    1.2MB

    Download
  • memory/2032-61-0x0000000001000000-0x000000000112D000-memory.dmp
    Filesize

    1.2MB

    Download