Overview

overview

10

Static

static

c1d823192f...40.exe

windows7-x64

10

c1d823192f...40.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    42s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    21-10-2022 11:25

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General

  • Target

    c1d823192f4a0b05cb6c11b65f02c20421fdaa9acd98568269784c7f23be0040.exe

  • Size

    173KB

  • MD5

    10b704217cde743100df3fe10f6403a0

  • SHA1

    b346bd15bebac1c98d27d541646f8f575b4ca441

  • SHA256

    c1d823192f4a0b05cb6c11b65f02c20421fdaa9acd98568269784c7f23be0040

  • SHA512

    c0de87a5a0f59ecea6856a4e878e46130a522bec59e09ecbc038cc26085965423e9a846ffbd725f5c5fa59bdf749569d2f3112541e375b84f8fd1c6b35e66ded

  • SSDEEP

    3072:Yq/ISpAbGTe2Aq/tqiqZ/4YTi3wJSyjX2F5aOHGRS+mxeSP1A:YqRAbgeFZAdIT65aO8S+zSP1A

Score
10/10
salitybackdoordiscoveryevasionexploittrojanupx

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
  • Possible privilege escalation attempt 2 IoCs
    exploit
  • UPX packed file 3 IoCs

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

    upx
  • Modifies file permissions 1 TTPs 2 IoCs
    discovery
  • Windows security modification 2 TTPs 7 IoCs
    evasiontrojan
  • 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 22 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\c1d823192f4a0b05cb6c11b65f02c20421fdaa9acd98568269784c7f23be0040.exe
    "C:\Users\Admin\AppData\Local\Temp\c1d823192f4a0b05cb6c11b65f02c20421fdaa9acd98568269784c7f23be0040.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 AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:904
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Roaming\Tencent\QQPinyin\RenameTTX\x_0.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1292
      • C:\Windows\SysWOW64\takeown.exe
        takeown /F mingliu.ttc /A
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • Suspicious use of AdjustPrivilegeToken
        PID:268
      • C:\Windows\SysWOW64\icacls.exe
        icacls mingliu.ttc /grant Administrators:(F)
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:660
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1208
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1120

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Initial Access

        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

        File Permissions Modification

        1
        T1222

        Credential Access

        Discovery

        System Information Discovery

        2
        T1082

        Lateral Movement

        Collection

        Exfiltration

        Command and Control

        Impact

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Roaming\Tencent\QQPinyin\RenameTTX\x_0.bat
          Filesize

          254B

          MD5

          00a44a36512228fdd22f812ad21d6f26

          SHA1

          64d48adbbd2d942e2ea79b232cf0fe8995edcf51

          SHA256

          51bf22a92e82778eb0ea72b509ef0e25992fe218bae5f136dc95d01789297946

          SHA512

          f183f7d7784b667c4ec82ff64097453d26c9b94e10aad76a72b691ed14dcd2d0e37b7aaa2f7407f06d4b06b36b3d46a5bc22001c43ac5d99c95df19612e63f7e

          Download Submit
        • memory/268-61-0x0000000000000000-mapping.dmp
          Download
        • memory/660-62-0x0000000000000000-mapping.dmp
          Download
        • memory/904-54-0x0000000075281000-0x0000000075283000-memory.dmp
          Filesize

          8KB

          Download
        • memory/904-55-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
          Filesize

          16.6MB

          Download
        • memory/904-56-0x0000000000400000-0x000000000042B000-memory.dmp
          Filesize

          172KB

          Download
        • memory/904-57-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
          Filesize

          16.6MB

          Download
        • memory/904-58-0x00000000001F0000-0x00000000001F2000-memory.dmp
          Filesize

          8KB

          Download
        • memory/904-63-0x0000000000400000-0x000000000042B000-memory.dmp
          Filesize

          172KB

          Download
        • memory/904-64-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
          Filesize

          16.6MB

          Download
        • memory/1292-59-0x0000000000000000-mapping.dmp
          Download