Overview

overview

8

Static

static

3

783bd82c6a...37.exe

windows7-x64

8

783bd82c6a...37.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/08/2024, 23:32

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General

  • Target

    783bd82c6a9b28503febed89ffbe39b59cfb38fcdad0a059309fa5623883da37.exe

  • Size

    243KB

  • MD5

    4352c3b9480d7e1f774549d3b37cea32

  • SHA1

    bb281d0c9a0f38c8b04f2ac2146fe144ee1ce197

  • SHA256

    783bd82c6a9b28503febed89ffbe39b59cfb38fcdad0a059309fa5623883da37

  • SHA512

    163939da313ff04fba219b3c88634d0bf14b141af5c81539194a32fc63b615ea9000f037eede2959314689aa8a7fe5e63480cb5b2e9c1023daf8e0209e953e59

  • SSDEEP

    6144:H8AbwMmJOyOK5ZV7NHPR519jtr5a8MueZG7H:PwVJOp8FNprdrMul7

Score
8/10
bootkitdiscoverypersistencespywarestealerupx

Malware Config

Signatures

  • Blocklisted process makes network request 4 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
  • UPX packed file 5 IoCs

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

    upx
  • 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
  • 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\783bd82c6a9b28503febed89ffbe39b59cfb38fcdad0a059309fa5623883da37.exe
    "C:\Users\Admin\AppData\Local\Temp\783bd82c6a9b28503febed89ffbe39b59cfb38fcdad0a059309fa5623883da37.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3240
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\tmqgi.exe "C:\Users\Admin\AppData\Local\Temp\783bd82c6a9b28503febed89ffbe39b59cfb38fcdad0a059309fa5623883da37.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2664
      • 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:3232
      • C:\Users\Admin\AppData\Local\Temp\tmqgi.exe
        C:\Users\Admin\AppData\Local\Temp\\tmqgi.exe "C:\Users\Admin\AppData\Local\Temp\783bd82c6a9b28503febed89ffbe39b59cfb38fcdad0a059309fa5623883da37.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3244
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\acqjn\oedvq.evo",RAFlush C:\Users\Admin\AppData\Local\Temp\tmqgi.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)
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2012

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\tmqgi.exe
    Filesize

    244KB

    MD5

    f53b15006d40f25e1a6cfbb7f3d66428

    SHA1

    55c418c1c7e480c2e5ae158887c3096d98501b2f

    SHA256

    cbbaaa5abed1e342340a39412e9fe3470c659134e99d61020ffb2001ce94e4d7

    SHA512

    52cd21cfbb14ffc57f6d2c5b8dea5aa7a501f8ce833bd40f2df47ebf79c77dee305bd6f314db451520ed7397c4ba7adce486f8be87df04544d0461388eb6cfcc

    Download Submit

  • \??\c:\acqjn\oedvq.evo
    Filesize

    81KB

    MD5

    fe3b1b222244f783fe9927ff16813c45

    SHA1

    69c88427b6fe1b75b4f5dc51d7dcce1bc438de9b

    SHA256

    2973a0957bd204e123307415bade58f84cdf272c659048a99bf42dfdb563415a

    SHA512

    ad16236d7b0bca4f021d031c8c75c5a339218f6e27dd8be62dfc3719cf945ba832ec6c4c04483622431ed545125415ca03a636a22b2d4f13cc9545fffbe7bd64

    Download Submit

  • memory/2012-10-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

    Download

  • memory/2012-11-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

    Download

  • memory/2012-14-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

    Download

  • memory/2012-16-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

    Download

  • memory/3240-0-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

    Download

  • memory/3240-2-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

    Download

  • memory/3244-7-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

    Download