Overview

overview

10

Static

static

4f9ef492d8...c3.exe

windows7-x64

10

4f9ef492d8...c3.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    19-07-2022 21:56

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General

  • Target

    4f9ef492d83c74652bf2195614cecbbd32bfc552ec08d912e63f97b383abe2c3.exe

  • Size

    1012KB

  • MD5

    adecd5f698025ea260b8946084909fc0

  • SHA1

    a6e8b997e77326d051fce4e0a3b9177f1028aaa8

  • SHA256

    4f9ef492d83c74652bf2195614cecbbd32bfc552ec08d912e63f97b383abe2c3

  • SHA512

    6648b4442dfd6149bd4145e0390f60bc8afacd2c400ecec80c840c7d2a423e5b11fd81052fd05fae854e4ab93df9098f70ec4460354420c3849919e1707a9ec3

Score
10/10
salitybackdoorevasionpersistencetrojanupx

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
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

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

    upx
  • Loads dropped DLL 2 IoCs
  • Windows security modification 2 TTPs 7 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1136
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1280
        • C:\Users\Admin\AppData\Local\Temp\4f9ef492d83c74652bf2195614cecbbd32bfc552ec08d912e63f97b383abe2c3.exe
          "C:\Users\Admin\AppData\Local\Temp\4f9ef492d83c74652bf2195614cecbbd32bfc552ec08d912e63f97b383abe2c3.exe"
          2⤵
          • Modifies firewall policy service
          • UAC bypass
          • Windows security bypass
          • Disables RegEdit via registry modification
          • Loads dropped DLL
          • Windows security modification
          • Checks whether UAC is enabled
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:1668
          • C:\ProgramData\gtqvhh.exe
            "C:\ProgramData\gtqvhh.exe"
            3⤵
            • Executes dropped EXE
            • Adds Run key to start application
            PID:1704
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1232

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Initial Access

        Execution

        Persistence

        Modify Existing Service

        1
        T1031

        Registry Run Keys / Startup Folder

        1
        T1060

        Privilege Escalation

        Bypass User Account Control

        1
        T1088

        Defense Evasion

        Modify Registry

        6
        T1112

        Bypass User Account Control

        1
        T1088

        Disabling Security Tools

        3
        T1089

        Credential Access

        Discovery

        System Information Discovery

        2
        T1082

        Lateral Movement

        Collection

        Exfiltration

        Command and Control

        Impact

        Replay Monitor

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        Downloads

        • C:\ProgramData\Saaaalamm\Mira.h
          Filesize

          557KB

          MD5

          8d0dcbc1481a967175e19dfa204d461e

          SHA1

          e785b892957645d143f1408e71811130f8d3db96

          SHA256

          a723e131c3067b612750c583cab54524721189ed95929f96dc71b326a98e4b72

          SHA512

          8457e9a648ace64fadfc5bc742ec3c1315c5815176a06c3c37271cf4a7cd9b1030dddd1077f353a393435a5442ecc8983c7dd1e0a090d5e3d7711231589af1ba

          Download Submit
        • C:\ProgramData\gtqvhh.exe
          Filesize

          454KB

          MD5

          66df2efdd5877a8b7e6e1f98188a934c

          SHA1

          8f52ba52fcc36009d2b5db967069593ea449496a

          SHA256

          4a548682d0fc2ea65d98a40307f8c3b8533b243eae69a4d02bd15d9463df33c6

          SHA512

          d658e258255f813a67abdf771aa35313f26cec48afc71aae7417bd41316e8e524164037e9dc661849bfbb0456d6172033d6a457538392e4c3551e57687ddb36e

          Download Submit
        • C:\ProgramData\gtqvhh.exe
          Filesize

          454KB

          MD5

          66df2efdd5877a8b7e6e1f98188a934c

          SHA1

          8f52ba52fcc36009d2b5db967069593ea449496a

          SHA256

          4a548682d0fc2ea65d98a40307f8c3b8533b243eae69a4d02bd15d9463df33c6

          SHA512

          d658e258255f813a67abdf771aa35313f26cec48afc71aae7417bd41316e8e524164037e9dc661849bfbb0456d6172033d6a457538392e4c3551e57687ddb36e

          Download Submit
        • \ProgramData\gtqvhh.exe
          Filesize

          454KB

          MD5

          66df2efdd5877a8b7e6e1f98188a934c

          SHA1

          8f52ba52fcc36009d2b5db967069593ea449496a

          SHA256

          4a548682d0fc2ea65d98a40307f8c3b8533b243eae69a4d02bd15d9463df33c6

          SHA512

          d658e258255f813a67abdf771aa35313f26cec48afc71aae7417bd41316e8e524164037e9dc661849bfbb0456d6172033d6a457538392e4c3551e57687ddb36e

          Download Submit
        • \ProgramData\gtqvhh.exe
          Filesize

          454KB

          MD5

          66df2efdd5877a8b7e6e1f98188a934c

          SHA1

          8f52ba52fcc36009d2b5db967069593ea449496a

          SHA256

          4a548682d0fc2ea65d98a40307f8c3b8533b243eae69a4d02bd15d9463df33c6

          SHA512

          d658e258255f813a67abdf771aa35313f26cec48afc71aae7417bd41316e8e524164037e9dc661849bfbb0456d6172033d6a457538392e4c3551e57687ddb36e

          Download Submit
        • memory/1668-54-0x00000000750B1000-0x00000000750B3000-memory.dmp
          Filesize

          8KB

          Download
        • memory/1668-55-0x0000000002340000-0x00000000033CE000-memory.dmp
          Filesize

          16.6MB

          Download
        • memory/1668-63-0x0000000000400000-0x0000000000462000-memory.dmp
          Filesize

          392KB

          Download
        • memory/1668-65-0x00000000005C0000-0x00000000005C2000-memory.dmp
          Filesize

          8KB

          Download
        • memory/1668-64-0x0000000002340000-0x00000000033CE000-memory.dmp
          Filesize

          16.6MB

          Download
        • memory/1704-58-0x0000000000000000-mapping.dmp
          Download