Overview

overview

10

Static

static

3

2024-06-30...re.exe

windows7-x64

10

2024-06-30...re.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    146s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    30-06-2024 21:23

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General

  • Target

    2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe

  • Size

    524KB

  • MD5

    21202d527bb25a3d3d5d9a3120cbb010

  • SHA1

    b97381cd878b90b4d88afd8068d2055602d4b663

  • SHA256

    883552dd63280cad78c0b565fbcd1d86f341f9cf9efae85130397da08f6b0a36

  • SHA512

    aa7812e19fcec72dcf508028d9b902adf68da20f6dbaced5acd2ef5e205f418d60086518b815eb160a336e01ddbf5e318e8668c28ea7fe3587c9a1e53807c23b

  • SSDEEP

    6144:KR2N0LGuHjvd1YTss408BomB8ePhrlp49MPOGyf3/09tAFP4syvIFWaCM:KRFrYhOJPhrlOwOaW4pISM

Score
10/10
salitybackdoorevasiontrojanupx

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Signatures

  • Modifies firewall policy service 3 TTPs 3 IoCs
    evasion
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

    backdoorsality
  • UAC bypass 3 TTPs 1 IoCs
    evasiontrojan
  • Windows security bypass 2 TTPs 6 IoCs
    evasiontrojan
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 11 IoCs
  • UPX dump on OEP (original entry point) 12 IoCs
  • UPX packed file 11 IoCs

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

    upx
  • Windows security modification 2 TTPs 7 IoCs
    evasiontrojan
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe"
    1⤵
    • Modifies firewall policy service
    • UAC bypass
    • Windows security bypass
    • Windows security modification
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • System policy modification
    PID:2932

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Defense Evasion

Modify Registry

5
T1112

Impair Defenses

4
T1562

Disable or Modify Tools

3
T1562.001

Disable or Modify System Firewall

1
T1562.004

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • memory/2932-0-0x0000000000400000-0x0000000000488000-memory.dmp
    Filesize

    544KB

    Download
  • memory/2932-2-0x0000000001EC0000-0x0000000002F7A000-memory.dmp
    Filesize

    16.7MB

    Download
  • memory/2932-8-0x0000000001EC0000-0x0000000002F7A000-memory.dmp
    Filesize

    16.7MB

    Download
  • memory/2932-10-0x0000000001EC0000-0x0000000002F7A000-memory.dmp
    Filesize

    16.7MB

    Download
  • memory/2932-24-0x0000000001EC0000-0x0000000002F7A000-memory.dmp
    Filesize

    16.7MB

    Download
  • memory/2932-23-0x0000000000400000-0x0000000000488000-memory.dmp
    Filesize

    544KB

    Download
  • memory/2932-7-0x0000000001EC0000-0x0000000002F7A000-memory.dmp
    Filesize

    16.7MB

    Download
  • memory/2932-5-0x0000000001EC0000-0x0000000002F7A000-memory.dmp
    Filesize

    16.7MB

    Download
  • memory/2932-12-0x0000000001EC0000-0x0000000002F7A000-memory.dmp
    Filesize

    16.7MB

    Download
  • memory/2932-11-0x0000000001EC0000-0x0000000002F7A000-memory.dmp
    Filesize

    16.7MB

    Download
  • memory/2932-4-0x0000000001EC0000-0x0000000002F7A000-memory.dmp
    Filesize

    16.7MB

    Download
  • memory/2932-9-0x0000000001EC0000-0x0000000002F7A000-memory.dmp
    Filesize

    16.7MB

    Download
  • memory/2932-6-0x0000000001EC0000-0x0000000002F7A000-memory.dmp
    Filesize

    16.7MB

    Download