Overview

overview

8

Static

static

3

651069f910...12.exe

windows7-x64

8

651069f910...12.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 03:18

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General

  • Target

    651069f910af8be62d326ee450e669dae453b9c654d44cebb1be4000a3606612.exe

  • Size

    405KB

  • MD5

    5c6806b40604c8cb02429e32b5f49ac2

  • SHA1

    d7460434e1d73812f697c440e3928a4debcc8def

  • SHA256

    651069f910af8be62d326ee450e669dae453b9c654d44cebb1be4000a3606612

  • SHA512

    34b23e31b874ca9f452cedf450a210b948458f1c6fc7d41d72b28e247f27b59efbd8720c4b4ae555262b041205752ba09e82bfff73cee5985a722901bf949c80

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse

Score
8/10
bootkitpersistencespywarestealer

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
  • 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\651069f910af8be62d326ee450e669dae453b9c654d44cebb1be4000a3606612.exe
    "C:\Users\Admin\AppData\Local\Temp\651069f910af8be62d326ee450e669dae453b9c654d44cebb1be4000a3606612.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\ugceo.exe "C:\Users\Admin\AppData\Local\Temp\651069f910af8be62d326ee450e669dae453b9c654d44cebb1be4000a3606612.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3472
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:1380
      • C:\Users\Admin\AppData\Local\Temp\ugceo.exe
        C:\Users\Admin\AppData\Local\Temp\\ugceo.exe "C:\Users\Admin\AppData\Local\Temp\651069f910af8be62d326ee450e669dae453b9c654d44cebb1be4000a3606612.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2032
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\tjzah\omsop.dll",Verify C:\Users\Admin\AppData\Local\Temp\ugceo.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
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2416

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

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

    405KB

    MD5

    5047ab4ae86dc851a74b40bcadbf489b

    SHA1

    3b316cae92a8c1ee061c180956e0bd55bce03b75

    SHA256

    771eabde6a1343662fb095fd857e2915ea7887b11c468df4f4c5701bdfa5ae24

    SHA512

    34d8a916d890ebf18da0e2bf423cc5e45facf7ef7e5b1da0111f48ec96edf182b8e11da570bcddab6fc0e8e14846021d8f6fd406a2d0e2c31ba4621cf98e0b35

    Download Submit
  • \??\c:\Program Files\tjzah\omsop.dll
    Filesize

    228KB

    MD5

    8b50c2762455ed32479f2f6988a89a45

    SHA1

    1d7896394f1ae206550237a48484ad855418e21c

    SHA256

    99bb9b9a0eef0a0d1365ae72209ad23e0fa101083b42e2fc65daf68be7cf8437

    SHA512

    d36c79c17441fe7d2e411f8e4a6022954ad1d4bf00b3fdf85cfe472c74c461e10c114bfbd43fea71aaf183c8b6e1042b22ca0911704bade14a0981f4e5906d69

    Download Submit
  • memory/1688-0-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

    Download
  • memory/1688-2-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

    Download
  • memory/2032-6-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

    Download
  • memory/2032-8-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

    Download
  • memory/2416-11-0x0000000010000000-0x0000000010080000-memory.dmp
    Filesize

    512KB

    Download
  • memory/2416-12-0x0000000010000000-0x0000000010080000-memory.dmp
    Filesize

    512KB

    Download
  • memory/2416-14-0x0000000010000000-0x0000000010080000-memory.dmp
    Filesize

    512KB

    Download