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Overview

overview

8

Static

static

3

df2c4531d0...b8.exe

windows7-x64

8

df2c4531d0...b8.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/09/2024, 18:35

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General

  • Target

    df2c4531d003c74654cc3c0791925cc4f06fda365074fc4314f0bfe4ff0d97b8.exe

  • Size

    412KB

  • MD5

    f8ee0f3e2f454fa5080eef3f6acf4a95

  • SHA1

    1c03cb1a47a6d2cdfa4f174edd27855d7ca5f748

  • SHA256

    df2c4531d003c74654cc3c0791925cc4f06fda365074fc4314f0bfe4ff0d97b8

  • SHA512

    2615a03799723ecbdc0df8e2168ee7d8f5480836bff8d8e1e038841cde2e9d0c35c84a76bfb865e518ed2736d1dc1d581fd50230eefd3d6a30f6750816ab6632

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4G:gtRfJcNYFNm8UhlZGseG

Score
8/10
bootkitdiscoverypersistencespywarestealer

Malware Config

Signatures

  • Blocklisted process makes network request 8 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

    discovery
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\df2c4531d003c74654cc3c0791925cc4f06fda365074fc4314f0bfe4ff0d97b8.exe
    "C:\Users\Admin\AppData\Local\Temp\df2c4531d003c74654cc3c0791925cc4f06fda365074fc4314f0bfe4ff0d97b8.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4172
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\opcan.exe "C:\Users\Admin\AppData\Local\Temp\df2c4531d003c74654cc3c0791925cc4f06fda365074fc4314f0bfe4ff0d97b8.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:3832
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:1472
      • C:\Users\Admin\AppData\Local\Temp\opcan.exe
        C:\Users\Admin\AppData\Local\Temp\\opcan.exe "C:\Users\Admin\AppData\Local\Temp\df2c4531d003c74654cc3c0791925cc4f06fda365074fc4314f0bfe4ff0d97b8.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4544
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\wssnq\fpiprnif.dll",Verify C:\Users\Admin\AppData\Local\Temp\opcan.exe
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\opcan.exe
    Filesize

    412KB

    MD5

    f6b6afdb3296ffb9c738c76066ba50a0

    SHA1

    64a654505e9addca7d61ead0d0204742eed03d97

    SHA256

    4728179bbc8e247dad1f07573dd17cb6cc1bbeb3465c1babda27f6a410eb1c99

    SHA512

    6c5086e890459ed476662ca468c13da0be637687cfbe915da8d2d4fc2e2adf4976a6ed62f17d99a6f0402fa3c6ccdf650f8e08c489009e72fe330c888dcd2211

    Download Submit

  • \??\c:\Program Files\wssnq\fpiprnif.dll
    Filesize

    228KB

    MD5

    8a2336842386afd9bcd3a71f0a1e82a2

    SHA1

    b1c0e2b3de94f370128545cd79d4f5f312e2ba31

    SHA256

    b1ae9939f9558ac6f12d54ac5f0513bc1f8a08b299676377135591101084a4fe

    SHA512

    48278e6a20fe16d48a9d24be3915bbf525b41903b452f505d04184ce97bc7fae1a9cdd910a67074f7bf527be793cce0f097cae3ec56b6bd901eb55f51f01294d

    Download Submit

  • memory/1684-10-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

    Download

  • memory/1684-12-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

    Download

  • memory/1684-13-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

    Download

  • memory/4172-0-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download

  • memory/4172-2-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download

  • memory/4544-7-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download