Overview

overview

8

Static

static

4c316c9eb1...e0.exe

windows7-x64

8

4c316c9eb1...e0.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    169s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2022 16:07

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General

  • Target

    4c316c9eb117f7cc8084f04098a5f03469690bc4fe4a449ae369a4b6ec49a9e0.exe

  • Size

    329KB

  • MD5

    3fbd95361e604f32a1f7fc19aa896361

  • SHA1

    7edf9fad5c4a6927eac6d6e83a5b8eeae3095fde

  • SHA256

    4c316c9eb117f7cc8084f04098a5f03469690bc4fe4a449ae369a4b6ec49a9e0

  • SHA512

    86fcd9f548f89e77e9734d0582f3f9351fc2b8b83183638850e1298e0fe6ad22f9b3c3651bf5427f5d31604734bc27370a40ddca7fdcc85e398619044b48aa89

  • SSDEEP

    6144:QqpxvlACym6wGGWFGDwZyoJ3fzBeM6SpktqHQI6mVk8cL3/CzYjsHh:QqjvlA06wLBHAf9eMvHwmVkhL36zYwHh

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\4c316c9eb117f7cc8084f04098a5f03469690bc4fe4a449ae369a4b6ec49a9e0.exe
    "C:\Users\Admin\AppData\Local\Temp\4c316c9eb117f7cc8084f04098a5f03469690bc4fe4a449ae369a4b6ec49a9e0.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:364
    • 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:1340
      • 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:4988
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:2228
    • 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:4472
      • 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:5076
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\SysWOW64\midimap.dll /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:4540
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
      2⤵
        PID:4120

    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

      ad328b02bd518ed083a6dc0e654d23ca

      SHA1

      03a6d9920754d51116f183899ed8c5025fc90870

      SHA256

      0525089c4d0c489545370da46819ef72524257b338bbe7514be77a9ab89b9756

      SHA512

      cdcb34cac8d9225692b177e7794d14337bf7c11f39e150edfbaf3c3085ac4e97fd891beb2f51840f99fa522cd4b52e6874a0d4a1834e651cb582ef3672498806

      Download Submit
    • memory/364-132-0x0000000001000000-0x0000000001168000-memory.dmp
      Filesize

      1.4MB

      Download
    • memory/364-133-0x0000000000480000-0x00000000004A0000-memory.dmp
      Filesize

      128KB

      Download
    • memory/364-134-0x0000000000480000-0x00000000004A0000-memory.dmp
      Filesize

      128KB

      Download
    • memory/364-142-0x0000000001000000-0x0000000001168000-memory.dmp
      Filesize

      1.4MB

      Download
    • memory/1340-135-0x0000000000000000-mapping.dmp
      Download
    • memory/2228-137-0x0000000000000000-mapping.dmp
      Download
    • memory/4120-141-0x0000000000000000-mapping.dmp
      Download
    • memory/4472-138-0x0000000000000000-mapping.dmp
      Download
    • memory/4540-140-0x0000000000000000-mapping.dmp
      Download
    • memory/4988-136-0x0000000000000000-mapping.dmp
      Download
    • memory/5076-139-0x0000000000000000-mapping.dmp
      Download