Overview

overview

10

Static

static

21fa3a4b0c...f6.exe

windows7-x64

10

21fa3a4b0c...f6.exe

windows10-2004-x64

1

Analysis

  • max time kernel
    40s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28-10-2022 19:39

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General

  • Target

    21fa3a4b0c1cd9520e349165dfab6e4a65376293f6fd06e7a621d2dd791a42f6.exe

  • Size

    128KB

  • MD5

    00530da9e0f5c865ff798e4f247758a0

  • SHA1

    fa5c9c9980a5d2085d1d0c9b7dd1060f0f9eafcb

  • SHA256

    21fa3a4b0c1cd9520e349165dfab6e4a65376293f6fd06e7a621d2dd791a42f6

  • SHA512

    f56c24564458a50770d606968c42f5483d91699e923c6c8ce75e645957045ed51880c849e26b9545d23274a061c92e89e47a4b5e0d61deed02147b59427182f9

  • SSDEEP

    3072:OCOBg/nlvymhtUlClnKVYMWdbP6Rn3o6MxoDB:f/nqOnKWR9Px61B

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
  • UPX packed file 2 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\21fa3a4b0c1cd9520e349165dfab6e4a65376293f6fd06e7a621d2dd791a42f6.exe
    "C:\Users\Admin\AppData\Local\Temp\21fa3a4b0c1cd9520e349165dfab6e4a65376293f6fd06e7a621d2dd791a42f6.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:1968
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1296
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1240
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1140
        • C:\Windows\system32\conhost.exe
          \??\C:\Windows\system32\conhost.exe "-594222987-1705384543-1246904202816142774-1906589764-5432774812129558536-74692761"
          1⤵
            PID:1076

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • memory/1968-54-0x0000000075141000-0x0000000075143000-memory.dmp

            Filesize

            8KB

            Download

          • memory/1968-55-0x0000000002060000-0x00000000030EE000-memory.dmp

            Filesize

            16.6MB

            Download

          • memory/1968-56-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

            Download

          • memory/1968-57-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

            Download

          • memory/1968-58-0x0000000002060000-0x00000000030EE000-memory.dmp

            Filesize

            16.6MB

            Download