Overview

overview

8

Static

static

8

da594b7091...7d.exe

windows7-x64

8

da594b7091...7d.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    124s
  • max time network
    84s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    13-10-2022 15:24

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General

  • Target

    da594b709134777845c7cd30069ce42538594a02026b3f6a751617b746cce07d.exe

  • Size

    350KB

  • MD5

    7ba6f61c9744c9dd49c16b134b2d9690

  • SHA1

    88902c863f6de3a4acf1f0af0236adca42e429b7

  • SHA256

    da594b709134777845c7cd30069ce42538594a02026b3f6a751617b746cce07d

  • SHA512

    9e1bf324f9bfcf5c835ffe6119b01aa7adae4bc593536b9f5454aa8965e7f5e5ee5d10d44ed4eb478bc2a66ea2e2e54a3e5df23ebb33f2348fb90f2e23469903

  • SSDEEP

    6144:oyXu7IEBSsQ9ElMwm60lmqs7MTRGA3h3GVqdppJXEGhBukJF/KAwxFUOWdEmh:o3BdQLL4BE93NGVYZX9BukJlwxSJdEm

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 2 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\da594b709134777845c7cd30069ce42538594a02026b3f6a751617b746cce07d.exe
    "C:\Users\Admin\AppData\Local\Temp\da594b709134777845c7cd30069ce42538594a02026b3f6a751617b746cce07d.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:828
    • 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:976
      • 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:1356
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:1840
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
      2⤵
      • Deletes itself
      PID:680

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

    f4aa3e62f21cd8afe36e4247cfdc6000

    SHA1

    3cc98ccc75f35c98418fb0a5f17df97ac5dde29c

    SHA256

    33976eb73712c3deb6bcff8ab57fc4c5f377d4b50e4e3a55b76fc0c1d93d9825

    SHA512

    d6a3aa8beb9a047deeff9586ee36844b992b2f8efb803d911e735b78a07ef41e0139d86e8ed8a86c26cfb64a9768c8eaa03246682de15827822c7380917f97ad

    Download Submit
  • memory/680-59-0x0000000000000000-mapping.dmp
    Download
  • memory/828-54-0x0000000075A11000-0x0000000075A13000-memory.dmp
    Filesize

    8KB

    Download
  • memory/828-55-0x0000000001000000-0x000000000112D000-memory.dmp
    Filesize

    1.2MB

    Download
  • memory/828-60-0x0000000001000000-0x000000000112D000-memory.dmp
    Filesize

    1.2MB

    Download
  • memory/976-56-0x0000000000000000-mapping.dmp
    Download
  • memory/1356-57-0x0000000000000000-mapping.dmp
    Download
  • memory/1840-58-0x0000000000000000-mapping.dmp
    Download