Analysis

  • max time kernel
    75s
  • max time network
    26s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    02-05-2022 08:22

General

  • Target

    4b6ee2fde3060c828d452cd2fc5f18979ed5dfc612c204867d35e8e613dedfda.exe

  • Size

    210KB

  • MD5

    4bfa9cefa15eac5ca5cded94aa2c5e1b

  • SHA1

    1a853121291b92f5e9aeb223207a2fb7a50c4c9c

  • SHA256

    4b6ee2fde3060c828d452cd2fc5f18979ed5dfc612c204867d35e8e613dedfda

  • SHA512

    c3aeaec789c9eeb9f097316b3b1baa795ae62db81c43402c77617f344a855bdb09c8bc6726d7b0912da38147d67e2c39ad3dbbb8625660129daf708ac5f621f9

Malware Config

Extracted

Family

zloader

Botnet

r1

Campaign

r1

C2

https://freebreez.com/LKhwojehDgwegSDG/gateJKjdsh.php

https://makaronz.com/LKhwojehDgwegSDG/gateJKjdsh.php

https://ricklick.com/LKhwojehDgwegSDG/gateJKjdsh.php

https://litlblockblack.com/LKhwojehDgwegSDG/gateJKjdsh.php

https://vaktorianpackif.com/LKhwojehDgwegSDG/gateJKjdsh.php

https://hbamefphmqsdgkqojgwe.com/LKhwojehDgwegSDG/gateJKjdsh.php

https://hoxfqvlgoabyfspvjimc.com/LKhwojehDgwegSDG/gateJKjdsh.php

https://yrsfuaegsevyffrfsgpj.com/LKhwojehDgwegSDG/gateJKjdsh.php

Attributes
build_id
83
rc4.plain
rsa_pubkey.plain

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess ⋅ 1 IoCs
  • Zloader, Terdot, DELoader, ZeusSphinx

    Zloader is a malware strain that was initially discovered back in August 2015.

  • Suspicious use of SetThreadContext ⋅ 1 IoCs
  • Program crash ⋅ 1 IoCs
  • Suspicious behavior: EnumeratesProcesses ⋅ 2 IoCs
  • Suspicious use of AdjustPrivilegeToken ⋅ 3 IoCs
  • Suspicious use of WriteProcessMemory ⋅ 5 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    PID:3052
    • C:\Users\Admin\AppData\Local\Temp\4b6ee2fde3060c828d452cd2fc5f18979ed5dfc612c204867d35e8e613dedfda.exe
      "C:\Users\Admin\AppData\Local\Temp\4b6ee2fde3060c828d452cd2fc5f18979ed5dfc612c204867d35e8e613dedfda.exe"
      Suspicious use of NtCreateUserProcessOtherParentProcess
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2308
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 460
        Program crash
        PID:3628
    • C:\Windows\SysWOW64\msiexec.exe
      msiexec.exe
      Suspicious use of AdjustPrivilegeToken
      PID:4528
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2308 -ip 2308
    PID:4360

Network

MITRE ATT&CK Matrix

Collection

    Command and Control

      Credential Access

        Defense Evasion

          Discovery

            Execution

              Exfiltration

                Impact

                  Initial Access

                    Lateral Movement

                      Persistence

                        Privilege Escalation

                          Replay Monitor

                          00:00 00:00

                          Downloads

                          • memory/2308-130-0x0000000000B88000-0x0000000000BA3000-memory.dmp
                          • memory/2308-131-0x0000000000B30000-0x0000000000B5A000-memory.dmp
                          • memory/2308-132-0x0000000000400000-0x00000000008D4000-memory.dmp
                          • memory/4528-133-0x0000000000000000-mapping.dmp
                          • memory/4528-134-0x00000000002B0000-0x00000000002DD000-memory.dmp
                          • memory/4528-135-0x00000000002B0000-0x00000000002DD000-memory.dmp