Analysis

  • max time kernel
    70s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    18-04-2022 10:13

General

  • Target

    6f3d6311fb91f7dea3d8d83833c94ee81b4e936d181619c5c9166f6994532141.exe

  • Size

    282KB

  • MD5

    24a14eb9657fff6c151b279556cba1f0

  • SHA1

    843624d36b63100beb5bc05e4ddec5659317eb9d

  • SHA256

    6f3d6311fb91f7dea3d8d83833c94ee81b4e936d181619c5c9166f6994532141

  • SHA512

    30043da4f8aa33085f2d8238d7151c06f74c8376a3bc2f9deba492e2692d3ed79b7737f416eed11fed9f40d273f84917717b7ecfa745b4fb30274c689664f024

Malware Config

Extracted

Family

zloader

Botnet

r2

Campaign

r2

C2

https://notsweets.net/LKhwojehDgwegSDG/gateJKjdsh.php

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

https://karamelliar.org/LKhwojehDgwegSDG/gateJKjdsh.php

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

https://azoraz.net/LKhwojehDgwegSDG/gateJKjdsh.php

Attributes
  • build_id

    136

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.

  • suricata: ET MALWARE Zbot POST Request to C2

    suricata: ET MALWARE Zbot POST Request to C2

  • Blocklisted process makes network request 5 IoCs
  • 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
    1⤵
      PID:2432
      • C:\Users\Admin\AppData\Local\Temp\6f3d6311fb91f7dea3d8d83833c94ee81b4e936d181619c5c9166f6994532141.exe
        "C:\Users\Admin\AppData\Local\Temp\6f3d6311fb91f7dea3d8d83833c94ee81b4e936d181619c5c9166f6994532141.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1572
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1572 -s 448
          3⤵
          • Program crash
          PID:2068
      • C:\Windows\SysWOW64\msiexec.exe
        msiexec.exe
        2⤵
        • Blocklisted process makes network request
        • Suspicious use of AdjustPrivilegeToken
        PID:1248
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1572 -ip 1572
      1⤵
        PID:312

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1248-133-0x0000000000000000-mapping.dmp
      • memory/1248-134-0x0000000000330000-0x0000000000356000-memory.dmp
        Filesize

        152KB

      • memory/1248-135-0x0000000000330000-0x0000000000356000-memory.dmp
        Filesize

        152KB

      • memory/1572-131-0x0000000000EB0000-0x0000000000ED2000-memory.dmp
        Filesize

        136KB

      • memory/1572-130-0x0000000000FAA000-0x0000000000FC1000-memory.dmp
        Filesize

        92KB

      • memory/1572-132-0x0000000000400000-0x0000000000C20000-memory.dmp
        Filesize

        8.1MB