Overview

overview

8

Static

static

8

29a0990566...84.exe

windows7-x64

8

29a0990566...84.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
    19-11-2022 03:55

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General

  • Target

    29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe

  • Size

    350KB

  • MD5

    42fbc3d0fed1fc8bf0b89a0d226307f0

  • SHA1

    d5bca149f9c7d3988d2937781ba6eb94094fb2b6

  • SHA256

    29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84

  • SHA512

    371b4959d07b13a955dc34aa1050bf840a58a125a36fe256179ae2a4797537c6c312cce7cf0a5d795c80b779b3ebcc96d46941784a4a523aca25586c58a6af9c

  • SSDEEP

    6144:EvyXu7IEBSsQ9ElMwm60lmqs7MTRGA3h3GVqdppJXEGhBukJF/KAwxFUOWdEmh:Ev3BdQLL4BE93NGVYZX9BukJlwxSJdEm

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\29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.exe
    "C:\Users\Admin\AppData\Local\Temp\29a0990566bd853f8311480007a1ff36ff388390b3dfa7dbd8de700f2f620e84.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:1600
    • 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:1596
      • 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:544
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:1500
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
      2⤵
      • Deletes itself
      PID:1788

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

    b859f5b8408d609e77cb7557fb5e33dd

    SHA1

    885ba5abf7f67b9a60031177b0c5b75a66116414

    SHA256

    c2611d2ca5b5176117571ccd2ed6e25bb8897301cdf24079bdeec2b1b79824ed

    SHA512

    31632dab5ca0e56a6cc1719702fb96d85f2569d2fb7da98153f35462381d81f220ef9b7d062290d281692e078677e4df2f01edb376181768950ae0599f3a7456

    Download Submit
  • memory/544-57-0x0000000000000000-mapping.dmp
    Download
  • memory/1500-58-0x0000000000000000-mapping.dmp
    Download
  • memory/1596-56-0x0000000000000000-mapping.dmp
    Download
  • memory/1600-54-0x00000000752B1000-0x00000000752B3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1600-55-0x0000000001000000-0x000000000112D000-memory.dmp
    Filesize

    1.2MB

    Download
  • memory/1600-60-0x0000000001000000-0x000000000112D000-memory.dmp
    Filesize

    1.2MB

    Download
  • memory/1788-59-0x0000000000000000-mapping.dmp
    Download