Overview

overview

10

Static

static

10

Extreme In....7.exe

windows7-x64

10

Extreme In....7.exe

windows10-2004-x64

10

Extreme In...v3.exe

windows7-x64

6

Extreme In...v3.exe

windows10-2004-x64

6

xyoungsokin.dll

windows7-x64

1

xyoungsokin.dll

windows10-2004-x64

1

Analysis

  • max time kernel
    140s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16-05-2024 17:41

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General

  • Target

    Extreme Injector v3.7.exe

  • Size

    365KB

  • MD5

    1250fbb9be09180d07d87d1abdc2b349

  • SHA1

    c58da16d2e16955498b083bf5d5a55a4cccf32fe

  • SHA256

    8979b90d56e060696bcd2f0e36f2c0a10c7ccab4114bfce1bb278bf25ecc2946

  • SHA512

    ffe323afa8b5ae6d574dff789dd2b42d0ce80581e47648425fc3b57873092f2ee38dcdb17e45e601803ffd4c806f38fcfaf5d785bbb8a1657f71fde980dcedb1

  • SSDEEP

    6144:cxLA03giVtLfLzHbklDubM1oFRgfHaSjcVfUpJqTyZp0KfgxcFmQoZgfHlgASbyz:cxLA4tLf37ktu2qg/aSjosL4Kfgo5oZ2

Score
10/10
webmonitorbackdoorinfostealerpersistenceratupx

Malware Config

Extracted

Family

webmonitor

C2

kamilw1337.wm01.to:443

Attributes
  • config_key

    a72oDI537AbYRjeItTOo34O25nOyaPFK

  • private_key

    MqUzv9esY

  • url_path

    /recv5.php

Signatures

  • RevcodeRat, WebMonitorRat

    WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.

    backdoorratinfostealerwebmonitor
  • WebMonitor payload 7 IoCs
  • UPX packed file 8 IoCs

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

    upx
  • Unexpected DNS network traffic destination 10 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Extreme Injector v3.7.exe
    "C:\Users\Admin\AppData\Local\Temp\Extreme Injector v3.7.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    PID:1948

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • memory/1948-0-0x0000000000400000-0x00000000004F6000-memory.dmp
    Filesize

    984KB

    Download
  • memory/1948-1-0x00000000002B0000-0x00000000002B1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1948-2-0x00000000030A0000-0x00000000040A0000-memory.dmp
    Filesize

    16.0MB

    Download
  • memory/1948-3-0x0000000000400000-0x00000000004F6000-memory.dmp
    Filesize

    984KB

    Download
  • memory/1948-5-0x00000000030A0000-0x00000000040A0000-memory.dmp
    Filesize

    16.0MB

    Download
  • memory/1948-6-0x0000000000400000-0x00000000004F6000-memory.dmp
    Filesize

    984KB

    Download
  • memory/1948-7-0x0000000000400000-0x00000000004F6000-memory.dmp
    Filesize

    984KB

    Download
  • memory/1948-10-0x0000000000400000-0x00000000004F6000-memory.dmp
    Filesize

    984KB

    Download
  • memory/1948-13-0x0000000000400000-0x00000000004F6000-memory.dmp
    Filesize

    984KB

    Download
  • memory/1948-14-0x0000000000400000-0x00000000004F6000-memory.dmp
    Filesize

    984KB

    Download
  • memory/1948-17-0x0000000000400000-0x00000000004F6000-memory.dmp
    Filesize

    984KB

    Download