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Overview

overview

8

Static

static

3

9930a75018...aN.exe

windows7-x64

8

9930a75018...aN.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    119s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/09/2024, 16:21

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General

  • Target

    9930a750181aa91cb7a336e9bca621023517f03c81307eb24423847dc2349a4aN.exe

  • Size

    122KB

  • MD5

    5a9c62c5181a9fb41806e5572fd04470

  • SHA1

    edec004949a59f639d4aa7db8ebb0e0ad05c4270

  • SHA256

    9930a750181aa91cb7a336e9bca621023517f03c81307eb24423847dc2349a4a

  • SHA512

    eca35762d4d45aa9a6fb189f113c6b6e8f4344032b3310e85ee1cf363bdae10c724ff4462c38631edf0b411c6448dacd59452e1423c74a3ab5f47a1ceb935451

  • SSDEEP

    1536:aJUGCqveEeXdTeG4wu6oQuwEhQQWKXJR721rSTdk/cpAKdlaKrorkgA55iIJ:aHFveEyTAK7VKXXS1GT7AKzaKrtP55iW

Score
8/10
aspackv2bootkitdiscoverypersistencespywarestealer

Malware Config

Signatures

  • Blocklisted process makes network request 8 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

    aspackv2
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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
  • 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\9930a750181aa91cb7a336e9bca621023517f03c81307eb24423847dc2349a4aN.exe
    "C:\Users\Admin\AppData\Local\Temp\9930a750181aa91cb7a336e9bca621023517f03c81307eb24423847dc2349a4aN.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4276
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&c:\pwxoy.exe "C:\Users\Admin\AppData\Local\Temp\9930a750181aa91cb7a336e9bca621023517f03c81307eb24423847dc2349a4aN.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:448
      • 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:4136
      • \??\c:\pwxoy.exe
        c:\pwxoy.exe "C:\Users\Admin\AppData\Local\Temp\9930a750181aa91cb7a336e9bca621023517f03c81307eb24423847dc2349a4aN.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:872
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\ijesqzg\ktajrz.dll",AbortProc c:\pwxoy.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:2240

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

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:\pwxoy.exe
    Filesize

    123KB

    MD5

    802bec2efe374ce2a982ea7f20fad979

    SHA1

    23a843b6a14ac276a86924bd166144d01323312c

    SHA256

    5a980b1489d2d21f27b457f40bde7d74059d5debf431ee32566f48eb4a8d1268

    SHA512

    19284178fcd51cc0e7c6862347a1e091fa3e00efbfce54078f787ef4596ebc5ce9e97e472b2d29600955b3bc0130f967bbf411974dea38b8b86b6fd8b9cb3308

    Download Submit

  • \??\c:\ijesqzg\ktajrz.dll
    Filesize

    87KB

    MD5

    a2c2137ff7abf6be6bcae4252c394a69

    SHA1

    07b402104df563f9486c2eef975fee70f65a5145

    SHA256

    37ab4b7ee8f6b61c3854af4ed4676fd0d69f0260fb1296ad75e57aa08e1eeb03

    SHA512

    5d05ed7c55bee8f41502acaea3d41fcf4421ad641d43f0b97b4cdc8fe584983da7712c561a53b708e88391df7929914746115700ae733155418693bcec6989a9

    Download Submit

  • memory/872-7-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

    Download

  • memory/2240-11-0x0000000010000000-0x0000000010036000-memory.dmp

    Filesize

    216KB

    Download

  • memory/2240-10-0x0000000010000000-0x0000000010036000-memory.dmp

    Filesize

    216KB

    Download

  • memory/2240-13-0x0000000010000000-0x0000000010036000-memory.dmp

    Filesize

    216KB

    Download

  • memory/2240-12-0x0000000010000000-0x0000000010036000-memory.dmp

    Filesize

    216KB

    Download

  • memory/2240-14-0x0000000010000000-0x0000000010036000-memory.dmp

    Filesize

    216KB

    Download

  • memory/2240-16-0x0000000010000000-0x0000000010036000-memory.dmp

    Filesize

    216KB

    Download

  • memory/2240-17-0x0000000010000000-0x0000000010036000-memory.dmp

    Filesize

    216KB

    Download

  • memory/2240-18-0x0000000010000000-0x0000000010036000-memory.dmp

    Filesize

    216KB

    Download

  • memory/4276-2-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

    Download

  • memory/4276-0-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

    Download