Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    02-05-2022 06:57

General

  • Target

    74c8670a8285e6783e6a5c44b43b7399078c36bd80a386f00f810da0e6a45533.exe

  • Size

    194KB

  • MD5

    09874cbb134851ff3b971960916ce5bb

  • SHA1

    42d32698f9513024f024eb6d1efcd9532ac1f622

  • SHA256

    74c8670a8285e6783e6a5c44b43b7399078c36bd80a386f00f810da0e6a45533

  • SHA512

    502189cc108e8c8034d957a9b6b32c29731f9a4d0811ffd147ab3ff516144521c77234c1d114694b070965c4300f36410b607828cb961c56649e04cdd697ee05

Malware Config

Extracted

Family

zloader

Botnet

r1

Campaign

r1

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
125
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.

  • Blocklisted process makes network request ⋅ 7 IoCs
  • Suspicious use of SetThreadContext ⋅ 1 IoCs
  • Suspicious behavior: EnumeratesProcesses ⋅ 1 IoCs
  • Suspicious use of AdjustPrivilegeToken ⋅ 3 IoCs
  • Suspicious use of WriteProcessMemory ⋅ 9 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    PID:1200
    • C:\Users\Admin\AppData\Local\Temp\74c8670a8285e6783e6a5c44b43b7399078c36bd80a386f00f810da0e6a45533.exe
      "C:\Users\Admin\AppData\Local\Temp\74c8670a8285e6783e6a5c44b43b7399078c36bd80a386f00f810da0e6a45533.exe"
      Suspicious use of NtCreateUserProcessOtherParentProcess
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1376
    • C:\Windows\SysWOW64\msiexec.exe
      msiexec.exe
      Blocklisted process makes network request
      Suspicious use of AdjustPrivilegeToken
      PID:1980

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

                          • C:\Users\Admin\AppData\Roaming\Kyin
                            MD5

                            d41d8cd98f00b204e9800998ecf8427e

                            SHA1

                            da39a3ee5e6b4b0d3255bfef95601890afd80709

                            SHA256

                            e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                            SHA512

                            cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                          • memory/1376-54-0x0000000000D4B000-0x0000000000D64000-memory.dmp
                          • memory/1376-55-0x0000000000220000-0x0000000000245000-memory.dmp
                          • memory/1376-56-0x0000000000400000-0x00000000008CE000-memory.dmp
                          • memory/1980-57-0x0000000000090000-0x00000000000B8000-memory.dmp
                          • memory/1980-59-0x0000000000090000-0x00000000000B8000-memory.dmp
                          • memory/1980-60-0x0000000000000000-mapping.dmp
                          • memory/1980-61-0x0000000075361000-0x0000000075363000-memory.dmp
                          • memory/1980-62-0x0000000000090000-0x00000000000B8000-memory.dmp