Overview

overview

8

Static

static

c63fbd4721...4b.exe

windows7-x64

8

c63fbd4721...4b.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-11-2022 10:36

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General

  • Target

    c63fbd4721357ea494b85300e3d8b328b248f222d43671808e77cc11e8a0704b.exe

  • Size

    328KB

  • MD5

    08fe3e19f565ad8689b9a5e992640250

  • SHA1

    43a243a95988846fb818366d8d9e5ecdea8935ff

  • SHA256

    c63fbd4721357ea494b85300e3d8b328b248f222d43671808e77cc11e8a0704b

  • SHA512

    c50e5f78e55112339b6128acd5066c87184a70858cff7a16f28cf364369c1f0065d26fa941f1061eb8de81475ceeda53294d7acc9517ee4a721f7a4414db3098

  • SSDEEP

    6144:QyWOeLm+tkxoGQvT+W4+HMc+MEGRQ6saHSMf3z0AzbLUG50Tpm+MmvbWdlL0d5aU:QCemx0vN3HKGi6sYjJLUGGtedud5tr7

Score
8/10
adwarediscoveryexploitpersistencestealer

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Possible privilege escalation attempt 4 IoCs
    exploit
  • Sets service image path in registry 2 TTPs 1 IoCs
    persistence
  • Modifies file permissions 1 TTPs 4 IoCs
    discovery
  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

    stealeradware
  • Maps connected drives based on registry 3 TTPs 3 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 4 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c63fbd4721357ea494b85300e3d8b328b248f222d43671808e77cc11e8a0704b.exe
    "C:\Users\Admin\AppData\Local\Temp\c63fbd4721357ea494b85300e3d8b328b248f222d43671808e77cc11e8a0704b.exe"
    1⤵
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Installs/modifies Browser Helper Object
    • Maps connected drives based on registry
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: LoadsDriver
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4664
    • 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:1480
      • 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:4868
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:4908
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c takeown /f C:\Windows\SysWOW64\midimap.dll && icacls C:\Windows\SysWOW64\midimap.dll /grant administrators:F
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4896
      • C:\Windows\SysWOW64\takeown.exe
        takeown /f C:\Windows\SysWOW64\midimap.dll
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • Suspicious use of AdjustPrivilegeToken
        PID:1004
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\SysWOW64\midimap.dll /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:3160
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
      2⤵
        PID:3964

    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

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    1
    T1082

    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

      b2a9d2f28df35f26dafe0471bf3b8011

      SHA1

      8e75f59cd909fa2b190d985188960fbe230ed21f

      SHA256

      40ef786a4b088ed0e3afead57bb5643a60b1b7c83bd7ae61ae09c505d5170a36

      SHA512

      4c2ada052e110e317b07bf72ae6700d194e6ea7a3cfd9dc9f588d5ce7bca715b54c3e573abd3641cad1dcb1d521bc0243179c4945858d25200212056e507a48b

      Download Submit
    • memory/1004-140-0x0000000000000000-mapping.dmp
      Download
    • memory/1480-136-0x0000000000000000-mapping.dmp
      Download
    • memory/3160-141-0x0000000000000000-mapping.dmp
      Download
    • memory/3964-142-0x0000000000000000-mapping.dmp
      Download
    • memory/4664-135-0x0000000000690000-0x00000000006B0000-memory.dmp
      Filesize

      128KB

      Download
    • memory/4664-132-0x0000000001000000-0x000000000116A000-memory.dmp
      Filesize

      1.4MB

      Download
    • memory/4664-134-0x0000000001000000-0x000000000116A000-memory.dmp
      Filesize

      1.4MB

      Download
    • memory/4664-143-0x0000000001000000-0x000000000116A000-memory.dmp
      Filesize

      1.4MB

      Download
    • memory/4664-133-0x0000000000690000-0x00000000006B0000-memory.dmp
      Filesize

      128KB

      Download
    • memory/4868-137-0x0000000000000000-mapping.dmp
      Download
    • memory/4896-139-0x0000000000000000-mapping.dmp
      Download
    • memory/4908-138-0x0000000000000000-mapping.dmp
      Download