Overview

overview

10

Static

static

Original S...33.exe

windows7_x64

10

Original S...33.exe

windows10_x64

10

Analysis

  • max time kernel
    158s
  • max time network
    162s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    30-09-2021 10:05

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General

  • Target

    Original Scan_Doc Ref 28538013241899233.exe

  • Size

    912KB

  • MD5

    6fb08a5130cdfc1ba7da0133a916733c

  • SHA1

    4c781c859da4a76de1e8c942b4d712c37fb8ca72

  • SHA256

    18421819d1c37b2be9b6ce90781a538e28f1238486a2f3d60ef682e0fb80f529

  • SHA512

    5572042fab4d2d8d88bb42745ffc33da8af5c9b763cbd8a8a2d50442b46db6b120a79f2cc7c47bbabf10aaff4a7de97251ea3f7148e2d8c1bf0ad90917cbf4fc

Score
10/10
xloaderepnsloaderpersistenceratsuricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

epns

C2

http://www.lnvietnam.online/epns/

Decoy

mmfaccao.com

blttsperma.quest

946abe.net

indispensablehands.com

jkformationfrance.com

phonerepaire.com

lienquan-trian.com

youkuti.com

empowermindbodystudios.com

seunicapf.com

fk-link.xyz

kunai.tech

difficultbutdoablebrand.com

ejworkspace.com

teracorp.biz

thekids.today

quintaalentejana.com

annaviruksham.com

jshengrong.com

nsmetalmakina.xyz

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

    loaderxloader
  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata
  • Xloader Payload 3 IoCs
    rat
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of SetThreadContext 3 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 54 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2180
    • C:\Users\Admin\AppData\Local\Temp\Original Scan_Doc Ref 28538013241899233.exe
      "C:\Users\Admin\AppData\Local\Temp\Original Scan_Doc Ref 28538013241899233.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:996
      • C:\Users\Admin\AppData\Local\Temp\Original Scan_Doc Ref 28538013241899233.exe
        "C:\Users\Admin\AppData\Local\Temp\Original Scan_Doc Ref 28538013241899233.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1272
    • C:\Windows\SysWOW64\wlanext.exe
      "C:\Windows\SysWOW64\wlanext.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      PID:1416

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/996-114-0x0000000002250000-0x0000000002251000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1272-115-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

    Download
  • memory/1272-116-0x000000000041D410-mapping.dmp
    Download
  • memory/1272-118-0x00000000009E0000-0x00000000009F1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1272-117-0x0000000000A20000-0x0000000000D40000-memory.dmp
    Filesize

    3.1MB

    Download
  • memory/1416-120-0x0000000000000000-mapping.dmp
    Download
  • memory/1416-121-0x0000000001130000-0x0000000001147000-memory.dmp
    Filesize

    92KB

    Download
  • memory/1416-122-0x0000000000FE0000-0x0000000001009000-memory.dmp
    Filesize

    164KB

    Download
  • memory/1416-123-0x00000000039B0000-0x0000000003CD0000-memory.dmp
    Filesize

    3.1MB

    Download
  • memory/1416-124-0x0000000003860000-0x00000000038F0000-memory.dmp
    Filesize

    576KB

    Download
  • memory/2180-119-0x00000000064B0000-0x00000000065FD000-memory.dmp
    Filesize

    1.3MB

    Download
  • memory/2180-125-0x0000000005660000-0x0000000005773000-memory.dmp
    Filesize

    1.1MB

    Download