Overview

overview

10

Static

static

10

stub.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    57s
  • max time network
    61s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2023 21:16

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    stub.exe

  • Size

    3.8MB

  • MD5

    8ee8f36cfddbb4aeb1388191cfca4e90

  • SHA1

    742516898c7ba788f889c2a3438a37a354524577

  • SHA256

    a1d460867b08cc04ecf499c53f72acd1ac2ae4a0d28ea72bdc2b7a8a0a99b704

  • SHA512

    d84fdac4f0afb9e3e2eb13a14f4753e992ebadc00f1ad87bcf44a7fb41e38b282db7280d8fa9d9c829ce3a314688ca013566d57c3d3ec51c4a3f068e7e65c5b6

  • SSDEEP

    98304:d77Pmq33rE/JDLPWZADUGer7B6iY74M/dmlwXVZ4FB:5+R/eZADUXR

Score
10/10
bitratpersistencetrojan

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

soon-lp.at.ply.gg:17209

Attributes
  • communication_password

    81dc9bdb52d04dc20036dbd8313ed055

  • install_dir

    C:\ProgramData

  • install_file

    Bit

  • tor_process

    tor

Signatures

  • BitRAT

    BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

    trojanbitrat
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Suspicious use of NtSetInformationThreadHideFromDebugger 10 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\stub.exe
    "C:\Users\Admin\AppData\Local\Temp\stub.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:952
    • C:\Windows\System32\fodhelper.exe
      "C:\Windows\System32\fodhelper.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2864
      • C:\Users\Admin\AppData\Local\Temp\stub.exe
        "C:\Users\Admin\AppData\Local\Temp\stub.exe" -prs 952
        3⤵
        • Adds Run key to start application
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4120

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/952-133-0x0000000000400000-0x00000000007CE000-memory.dmp
    Filesize

    3.8MB

    Download
  • memory/952-134-0x00000000747C0000-0x00000000747F9000-memory.dmp
    Filesize

    228KB

    Download
  • memory/952-135-0x0000000074B60000-0x0000000074B99000-memory.dmp
    Filesize

    228KB

    Download
  • memory/4120-136-0x0000000000400000-0x00000000007CE000-memory.dmp
    Filesize

    3.8MB

    Download
  • memory/4120-137-0x0000000074E50000-0x0000000074E89000-memory.dmp
    Filesize

    228KB

    Download
  • memory/4120-138-0x0000000074B30000-0x0000000074B69000-memory.dmp
    Filesize

    228KB

    Download