Overview

overview

10

Static

static

1105cbc52f...b9.exe

windows7_x64

10

1105cbc52f...b9.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    188s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    04-06-2022 10:20

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General

  • Target

    1105cbc52f4b18787df379102fe3de56f5d30a9ee3b4788628f62095e55ec3b9.exe

  • Size

    100KB

  • MD5

    9185d11b9ff3728d988d3a4cee997616

  • SHA1

    1a60733fa9a08964a178d3b2a5c34bb69b699ead

  • SHA256

    1105cbc52f4b18787df379102fe3de56f5d30a9ee3b4788628f62095e55ec3b9

  • SHA512

    3e3ba9581fbd9ba0120d5ddfd655338fd20a4d27e04f1aeca9d8a3fb4d0790fdd5dc9ed7a4614c24752adf2e35942b7460f7b235a53f6cb98cfdff3ee75595ec

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies firewall policy service 2 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
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Disables Task Manager via registry modification
    evasion
  • UPX packed file 3 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
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1188
      • C:\Users\Admin\AppData\Local\Temp\1105cbc52f4b18787df379102fe3de56f5d30a9ee3b4788628f62095e55ec3b9.exe
        "C:\Users\Admin\AppData\Local\Temp\1105cbc52f4b18787df379102fe3de56f5d30a9ee3b4788628f62095e55ec3b9.exe"
        2⤵
        • Modifies firewall policy service
        • UAC bypass
        • Windows security bypass
        • Disables RegEdit via registry modification
        • Windows security modification
        • Checks whether UAC is enabled
        • Enumerates connected drives
        • Drops autorun.inf file
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:992
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1152
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1112

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Initial Access

        Replication Through Removable Media

        1
        T1091

        Execution

        Persistence

        Modify Existing Service

        1
        T1031

        Privilege Escalation

        Bypass User Account Control

        1
        T1088

        Defense Evasion

        Modify Registry

        5
        T1112

        Bypass User Account Control

        1
        T1088

        Disabling Security Tools

        3
        T1089

        Credential Access

        Discovery

        System Information Discovery

        3
        T1082

        Query Registry

        1
        T1012

        Peripheral Device Discovery

        1
        T1120

        Lateral Movement

        Replication Through Removable Media

        1
        T1091

        Collection

        Exfiltration

        Command and Control

        Impact

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/992-54-0x0000000075EF1000-0x0000000075EF3000-memory.dmp
          Filesize

          8KB

          Download
        • memory/992-55-0x0000000001D80000-0x0000000002E0E000-memory.dmp
          Filesize

          16.6MB

          Download
        • memory/992-56-0x0000000000400000-0x0000000000413000-memory.dmp
          Filesize

          76KB

          Download
        • memory/992-57-0x00000000747B1000-0x00000000747B3000-memory.dmp
          Filesize

          8KB

          Download
        • memory/992-58-0x0000000001D80000-0x0000000002E0E000-memory.dmp
          Filesize

          16.6MB

          Download
        • memory/992-59-0x0000000000290000-0x0000000000292000-memory.dmp
          Filesize

          8KB

          Download
        • memory/992-60-0x0000000004010000-0x0000000004012000-memory.dmp
          Filesize

          8KB

          Download
        • memory/992-61-0x0000000001D80000-0x0000000002E0E000-memory.dmp
          Filesize

          16.6MB

          Download
        • memory/992-62-0x0000000000290000-0x0000000000292000-memory.dmp
          Filesize

          8KB

          Download
        • memory/992-63-0x0000000004010000-0x0000000004012000-memory.dmp
          Filesize

          8KB

          Download