Overview

overview

8

Static

static

8

b7ab2d93fc...2c.exe

windows7-x64

8

b7ab2d93fc...2c.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    57s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    19-10-2022 16:21

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    b7ab2d93fc850a13fc9aa62023121bfb89d61cc613249c49e7e4d9280983f32c.exe

  • Size

    350KB

  • MD5

    833244da34c5da9f3f2f6aafdf522180

  • SHA1

    5cddfe72995a89e382976b50f5ee900a0db96d28

  • SHA256

    b7ab2d93fc850a13fc9aa62023121bfb89d61cc613249c49e7e4d9280983f32c

  • SHA512

    e7313e6fc2d39302d61f637251cd6d2f4c22a8ad0a449cf1161dee64d26254769e3460385cdc861bac6d9505f489d21ee890f7efcc4e6c6a0a1d6718444a453f

  • SSDEEP

    6144:QyXu7IEBSsQ9ElMwm60lmqs7MTRGA3h3GVqdppJXEGhBukJF/KAwxFUOWdEmh:Q3BdQLL4BE93NGVYZX9BukJlwxSJdEm

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\b7ab2d93fc850a13fc9aa62023121bfb89d61cc613249c49e7e4d9280983f32c.exe
    "C:\Users\Admin\AppData\Local\Temp\b7ab2d93fc850a13fc9aa62023121bfb89d61cc613249c49e7e4d9280983f32c.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:1880
    • 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:1808
      • 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:2040
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:1544
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
      2⤵
      • Deletes itself
      PID:1464

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

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
    Filesize

    181B

    MD5

    c6726bc0d270a07b9f89a241ed87c61e

    SHA1

    ce92a67ddcdbf15d126c42059a1a82e95ef04c62

    SHA256

    11a49b5dda0945dff9b98a730ac16ae7634bd4879ebe6943776d3cd85e570e1c

    SHA512

    e7574924f3dd21429040d500a7224141d22986731db6e40c490017437d41c71142055b0770fb8d754b7fecc479b4f9b75edaeca78e28d0e34ba5f10199fb7519

    Download Submit
  • memory/1464-60-0x0000000000000000-mapping.dmp
    Download
  • memory/1544-59-0x0000000000000000-mapping.dmp
    Download
  • memory/1808-57-0x0000000000000000-mapping.dmp
    Download
  • memory/1880-54-0x0000000075D71000-0x0000000075D73000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1880-55-0x0000000001000000-0x000000000112D000-memory.dmp
    Filesize

    1.2MB

    Download
  • memory/1880-56-0x0000000001000000-0x000000000112D000-memory.dmp
    Filesize

    1.2MB

    Download
  • memory/1880-61-0x0000000001000000-0x000000000112D000-memory.dmp
    Filesize

    1.2MB

    Download
  • memory/2040-58-0x0000000000000000-mapping.dmp
    Download