Resubmissions

29-10-2020 16:21

201029-sfamlcy2aj 10

29-10-2020 16:15

201029-jk9vy2x46s 10

29-10-2020 15:23

201029-3eee5a1gls 1

Analysis

  • max time kernel
    289s
  • max time network
    300s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    29-10-2020 16:15

General

  • Target

    ebook_29.10.20.exe

  • Size

    310KB

  • MD5

    cd1f5e41d727816c6ca5e6c073130df4

  • SHA1

    5d9a72b2b721aa7834d3f3bb07225ce48d4bc3fb

  • SHA256

    a1297a535f5ac9ca22d8c1200098eb01e16860ef3c840457f98000ac6a5087cc

  • SHA512

    4f88ce58d61fa0eb4fc8ad2ce068a3044bcc7f205819cab5c39a998147f034869994c849ee022b487d3708d62167cc766d406e4310d301be1e51b1b1a7f3c588

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

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
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1244
      • C:\Users\Admin\AppData\Local\Temp\ebook_29.10.20.exe
        "C:\Users\Admin\AppData\Local\Temp\ebook_29.10.20.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:292
      • C:\Windows\SysWOW64\msiexec.exe
        msiexec.exe
        2⤵
          PID:1376

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/292-1-0x0000000001F80000-0x0000000001F91000-memory.dmp
        Filesize

        68KB

      • memory/292-2-0x0000000001F80000-0x0000000001F91000-memory.dmp
        Filesize

        68KB

      • memory/1112-9-0x000007FEF6580000-0x000007FEF67FA000-memory.dmp
        Filesize

        2.5MB

      • memory/1376-5-0x00000000000F0000-0x0000000000118000-memory.dmp
        Filesize

        160KB

      • memory/1376-6-0x0000000000120000-0x0000000000121000-memory.dmp
        Filesize

        4KB

      • memory/1376-7-0x00000000000F0000-0x0000000000118000-memory.dmp
        Filesize

        160KB

      • memory/1376-8-0x0000000000000000-mapping.dmp