Overview

overview

8

Static

static

3

c4ad96e3cf...1a.exe

windows7-x64

8

c4ad96e3cf...1a.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
    22-08-2024 15:25

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General

  • Target

    c4ad96e3cfa611fa75633fab8eb5cd7edf6fa091e2a6c035b0d63c2bff0adb1a.exe

  • Size

    410KB

  • MD5

    f4994400fd5b59d4db14f1f862237bcd

  • SHA1

    91f179c43d2503acce3e8472e7899be2f4f43c1c

  • SHA256

    c4ad96e3cfa611fa75633fab8eb5cd7edf6fa091e2a6c035b0d63c2bff0adb1a

  • SHA512

    61494414a96f0a72026cb3eb9a0f85d49dbb7a73f63b344b635dd7af13bcda4af476525cd2a74ca439c159fbfc030c52a184e4088ab585f48278fc76fe691a90

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4K:gtRfJcNYFNm8UhlZGseK

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\c4ad96e3cfa611fa75633fab8eb5cd7edf6fa091e2a6c035b0d63c2bff0adb1a.exe
    "C:\Users\Admin\AppData\Local\Temp\c4ad96e3cfa611fa75633fab8eb5cd7edf6fa091e2a6c035b0d63c2bff0adb1a.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1100
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\xgmfplikq.exe "C:\Users\Admin\AppData\Local\Temp\c4ad96e3cfa611fa75633fab8eb5cd7edf6fa091e2a6c035b0d63c2bff0adb1a.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:1080
      • 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:3204
      • C:\Users\Admin\AppData\Local\Temp\xgmfplikq.exe
        C:\Users\Admin\AppData\Local\Temp\\xgmfplikq.exe "C:\Users\Admin\AppData\Local\Temp\c4ad96e3cfa611fa75633fab8eb5cd7edf6fa091e2a6c035b0d63c2bff0adb1a.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:1204
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\mxhvuh\vcppi.dll",Verify C:\Users\Admin\AppData\Local\Temp\xgmfplikq.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:2452

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

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Downloads

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

    411KB

    MD5

    60f745111a751af95dc13c91ef7b3ec0

    SHA1

    1577e12d987c743e291d049c9e4cec563e9f79e2

    SHA256

    bd3b19b2c9316da7936a93e67a4321ac9d4d54cdffad59d67d31a77a3815205d

    SHA512

    5a2841a666c21317d41d506fa2f94ebea59fec550c1eccacda7a67a651a04167df0d6b10f78d5331636f0bcb50e6d50f421111595f4a679d3e8c97e3e1f52f56

    Download Submit

  • \??\c:\Program Files\mxhvuh\vcppi.dll
    Filesize

    228KB

    MD5

    fa6a81896c728188f34e354c7440515d

    SHA1

    95c2f34c1b253b36628841235d870a8dcbaf6e9b

    SHA256

    f16a950579a439265b7e6481a8be71dbeaa6ad1fc9d911008a0bd6551af15ff8

    SHA512

    799140427817591a1cdc75e5d589db1bdd28a8614099482b48cf476e22c48c0fdcf4ab1f80eb92596c964ad33ddca318ac77c8a53b5436c90e26d0f50aebd0c8

    Download Submit

  • memory/1100-0-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download

  • memory/1100-2-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download

  • memory/1204-6-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download

  • memory/1204-8-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download

  • memory/2452-11-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

    Download

  • memory/2452-12-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

    Download

  • memory/2452-14-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

    Download