Overview

overview

10

Static

static

3

sa.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    11s
  • max time network
    11s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-12-2024 15:50

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General

  • Target

    sa.exe

  • Size

    223KB

  • MD5

    84968f988f3fb7eecb1087187d8d4508

  • SHA1

    fa662dfa9ce6edea74bc94596d2079581cc71adf

  • SHA256

    04258bc5802a62bc686aa877e6944f9ab613eafffcb3b00e66db8eb46265d63d

  • SHA512

    9f6a207b3255d53d0b3ee80c933c250926dd36ae4ea03bfb290ea72e6a4033aab75c457073c7a2d46aabbf28347231fa202355f686d6dd4b4f7dd37fb1dbf1af

  • SSDEEP

    6144:16pFBtjbnNc/dqg1ZCuU9B8fMkCMglsgQH:c3nsd5rDS0fg+gG

Score
10/10
njratxwormbyabolhbrattrojan

Malware Config

Extracted

Family

njrat

Version

QUJPTEhC

Botnet

ByABOLHB

C2

abolhb.com:505

Mutex

66f73d9b4e94d115b763eaa1ada7d1f1

Attributes
  • reg_key

    66f73d9b4e94d115b763eaa1ada7d1f1

  • splitter

    |'|'|

Extracted

Family

xworm

C2

review-monroe.gl.at.ply.gg:46169

Mutex

lWfA9hbGdE2IDzRq

Attributes
  • Install_directory

    %AppData%

  • install_file

    Mason.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Njrat family
    njrat
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Xworm family
    xworm
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\sa.exe
    "C:\Users\Admin\AppData\Local\Temp\sa.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3304
  • C:\Users\Admin\AppData\Roaming\AggregatorHost.exe
    C:\Users\Admin\AppData\Roaming\AggregatorHost.exe
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3064
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "AggregatorHost" /tr "C:\Users\Admin\AppData\Roaming\AggregatorHost.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1972

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\AggregatorHost.exe
    Filesize

    223KB

    MD5

    84968f988f3fb7eecb1087187d8d4508

    SHA1

    fa662dfa9ce6edea74bc94596d2079581cc71adf

    SHA256

    04258bc5802a62bc686aa877e6944f9ab613eafffcb3b00e66db8eb46265d63d

    SHA512

    9f6a207b3255d53d0b3ee80c933c250926dd36ae4ea03bfb290ea72e6a4033aab75c457073c7a2d46aabbf28347231fa202355f686d6dd4b4f7dd37fb1dbf1af

    Download Submit

  • memory/3064-8-0x0000000000E70000-0x0000000000E80000-memory.dmp

    Filesize

    64KB

    Download

  • memory/3064-9-0x00007FFD67D60000-0x00007FFD68821000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3064-10-0x00007FFD67D60000-0x00007FFD68821000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3064-11-0x00000000027D0000-0x00000000027DC000-memory.dmp

    Filesize

    48KB

    Download

  • memory/3064-12-0x000000001B340000-0x000000001B34E000-memory.dmp

    Filesize

    56KB

    Download

  • memory/3304-0-0x00007FFD67D63000-0x00007FFD67D65000-memory.dmp

    Filesize

    8KB

    Download

  • memory/3304-1-0x0000000000DF0000-0x0000000000E2E000-memory.dmp

    Filesize

    248KB

    Download

  • memory/3304-4-0x00007FFD67D60000-0x00007FFD68821000-memory.dmp

    Filesize

    10.8MB

    Download