Overview

overview

8

Static

static

8

f9d28492b5...14.exe

windows7-x64

8

f9d28492b5...14.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    56s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    20-11-2022 04:55

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General

  • Target

    f9d28492b5537511ef2f179cad11c4e8f090ea5ab4c3ecf8b4c327641c40e114.exe

  • Size

    350KB

  • MD5

    40c0ffad85adcbc386ad53be16241c60

  • SHA1

    b3c7be235e9e34a7c6c33ff67978e5a0507c4bda

  • SHA256

    f9d28492b5537511ef2f179cad11c4e8f090ea5ab4c3ecf8b4c327641c40e114

  • SHA512

    c2407ae26cda263832da1219807f3dd7f34c7bb8555f4f27e6701cc3be17b91b0c26d04d77d923d0a96cd8856fb67d2ecc81aa4a14d541b3ca79cbbde644a72a

  • SSDEEP

    6144:8yXu7IEBSsQ9ElMwm60lmqs7MTRGA3h3GVqdppJXEGhBukJF/KAwxFUOWdEmh:83BdQLL4BE93NGVYZX9BukJlwxSJdEm

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\f9d28492b5537511ef2f179cad11c4e8f090ea5ab4c3ecf8b4c327641c40e114.exe
    "C:\Users\Admin\AppData\Local\Temp\f9d28492b5537511ef2f179cad11c4e8f090ea5ab4c3ecf8b4c327641c40e114.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:1064
    • 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:1672
      • 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:300
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:1580
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
      2⤵
      • Deletes itself
      PID:1520

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

    1f3564ea2df57624b63923abd1a87e46

    SHA1

    564084e6b405324ac4625b8aaa7a74b2705c9a17

    SHA256

    e2065f421d7eaba37d562735fbe43c2b1a764140d9c148f1eb9bf2ae7b1c0acb

    SHA512

    ec42f7ee9179a04a9b069625ef68aee1d9747c09176429292a0b5c5698a924ead35c0880c13424b373e9020aa384d07a5feb3610762b91185d4a633f2361ede9

    Download Submit
  • memory/300-57-0x0000000000000000-mapping.dmp
    Download
  • memory/1064-54-0x0000000075BB1000-0x0000000075BB3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1064-55-0x0000000001000000-0x000000000112D000-memory.dmp
    Filesize

    1.2MB

    Download
  • memory/1064-60-0x0000000001000000-0x000000000112D000-memory.dmp
    Filesize

    1.2MB

    Download
  • memory/1520-59-0x0000000000000000-mapping.dmp
    Download
  • memory/1580-58-0x0000000000000000-mapping.dmp
    Download
  • memory/1672-56-0x0000000000000000-mapping.dmp
    Download