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Overview

overview

7

Static

static

3

6b24bc8de1...0N.exe

windows7-x64

7

6b24bc8de1...0N.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    117s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/09/2024, 01:04

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General

  • Target

    6b24bc8de1b53078afa4ba10961ead10N.exe

  • Size

    216KB

  • MD5

    6b24bc8de1b53078afa4ba10961ead10

  • SHA1

    0f1a6d4eb76399dd7196b3e34c6b8feba3c23924

  • SHA256

    8b97a11741b62843e52baa1af9f5555f4880efd295b552c018d39130dac79dca

  • SHA512

    969ddc9ecdc0a67e8bdd303f557432f4db30ce5ecfd4802f887849957eae43902cf52ebabc6bf3578fc74f225a15cb245ef1000026c1c2cfc2831b7c9d1f9bc1

  • SSDEEP

    6144:5rW/2QVVmeWPpW4DxG7K3LpHPmsXANdQINh:9WexeapW8hb1m5TQoh

Score
7/10
bootkitdiscoverypersistencespywarestealer

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 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
  • Drops file in Program Files directory 4 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 4 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\6b24bc8de1b53078afa4ba10961ead10N.exe
    "C:\Users\Admin\AppData\Local\Temp\6b24bc8de1b53078afa4ba10961ead10N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1480
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\xnduv.exe "C:\Users\Admin\AppData\Local\Temp\6b24bc8de1b53078afa4ba10961ead10N.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2996
      • 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:972
      • C:\Users\Admin\AppData\Local\Temp\xnduv.exe
        C:\Users\Admin\AppData\Local\Temp\\xnduv.exe "C:\Users\Admin\AppData\Local\Temp\6b24bc8de1b53078afa4ba10961ead10N.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:3348
        • \??\c:\Program Files\irimd\gwcltl.exe
          "c:\Program Files\irimd\gwcltl.exe" "c:\Program Files\irimd\gwcltl.dll",GetIDTs C:\Users\Admin\AppData\Local\Temp\xnduv.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4956

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:\Program Files\irimd\gwcltl.exe
    Filesize

    60KB

    MD5

    889b99c52a60dd49227c5e485a016679

    SHA1

    8fa889e456aa646a4d0a4349977430ce5fa5e2d7

    SHA256

    6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

    SHA512

    08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    Download Submit

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

    216KB

    MD5

    7cf9dd4a9cfc6c3c4e96cc4fc2fa6fca

    SHA1

    1158b719c49799f257bf203530c8e56a588ea0bf

    SHA256

    878fc3af21ffb6b9f5f07784c1b68a02aedb08761fc2eb60a273790117efa9fa

    SHA512

    395fe632d6ccdc95c583ac64bc2289ff110b7a48000f0611728be8a41b222b9f2a82f0b5f4451dfb1d4dd72820fc642f8e3e9d8a848472459af19862f89866d5

    Download Submit

  • \??\c:\Program Files\irimd\gwcltl.dll
    Filesize

    160KB

    MD5

    6a9de0cff43afa5f8656345dc6c0449e

    SHA1

    fbc70cb6e58bbc4cca098bae36361f7a19aeab6b

    SHA256

    f158106b1dfcd451d4e6c955aac3bbde01c13bb4f72693715a4170c86ccf161f

    SHA512

    318975db0367c32e65d248e8416db2eaf77a26ef55b1db2f05d30d1d31145434fb8a6a59316ffdb7e0d70475777567be3cfdbabccd6743e3ab29b91d3fdfd75f

    Download Submit

  • memory/1480-0-0x0000000000400000-0x00000000004490B1-memory.dmp

    Filesize

    292KB

    Download

  • memory/1480-1-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1480-3-0x0000000000400000-0x00000000004490B1-memory.dmp

    Filesize

    292KB

    Download

  • memory/3348-7-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3348-16-0x0000000000400000-0x00000000004490B1-memory.dmp

    Filesize

    292KB

    Download

  • memory/4956-17-0x0000000010000000-0x0000000010067000-memory.dmp

    Filesize

    412KB

    Download

  • memory/4956-18-0x0000000010000000-0x0000000010067000-memory.dmp

    Filesize

    412KB

    Download

  • memory/4956-21-0x0000000010000000-0x0000000010067000-memory.dmp

    Filesize

    412KB

    Download