Overview

overview

8

Static

static

5

6c728abd9b...39.dll

windows7-x64

8

6c728abd9b...39.dll

windows10-2004-x64

8

Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/11/2024, 02:49

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General

  • Target

    6c728abd9ba37ea16de7ef5d4a088a787cd042e3554f9a2ea01ed0db4415cb39.dll

  • Size

    300KB

  • MD5

    553beef27194ac96e8617e7d97fa2c14

  • SHA1

    894a7b53f0d93ef6db2d24e2b3c19ba2d596bd62

  • SHA256

    6c728abd9ba37ea16de7ef5d4a088a787cd042e3554f9a2ea01ed0db4415cb39

  • SHA512

    26b22dcf8dc4ce30104f96c1810c8bbba53edb2a1004085c910901e46feacef354e5bdf17a9b881d8d71cc6065022a69af8efff78e08b1cdeef956741b181f5e

  • SSDEEP

    6144:C6QWdZfgzkudDcP2tb4jSUE2Hk90TF1P42fybr:C+AQHPBCaoP

Score
8/10
bootkitdiscoverypersistencespywarestealerupx

Malware Config

Signatures

  • Blocklisted process makes network request 5 IoCs
  • Reads user/profile data of web browsers 3 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
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

    discovery
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\6c728abd9ba37ea16de7ef5d4a088a787cd042e3554f9a2ea01ed0db4415cb39.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4748
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6c728abd9ba37ea16de7ef5d4a088a787cd042e3554f9a2ea01ed0db4415cb39.dll,#1
      2⤵
      • Blocklisted process makes network request
      • 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:4544

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

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

  • memory/4544-0-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

    Download

  • memory/4544-1-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

    Download