Analysis

  • max time kernel
    142s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    04-03-2021 13:28

General

  • Target

    mHMUKpx.dll

  • Size

    706KB

  • MD5

    051fc424638f35d333e95a0601cfd336

  • SHA1

    3acbcb36bad30f486b03897ef4fd321dbfe40d40

  • SHA256

    3a659be16afd89a3f8ba12745b545bc0bb4ddf747078b37186af00e7e332fbb2

  • SHA512

    ed6276b62b3cad463b36861c75624d59ae15964959a07e39afeff1367f22afadfe1d8f72d2f01f8db73dd98da00a4bfc18938e78c48394440ea6ad9a0a095337

Malware Config

Extracted

Family

zloader

Botnet

bot5

Campaign

bot5

C2

https://militanttra.at/owg.php

rc4.plain

Signatures

  • Zloader, Terdot, DELoader, ZeusSphinx

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\mHMUKpx.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1152
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\mHMUKpx.dll,#1
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2028
      • C:\Windows\SysWOW64\msiexec.exe
        msiexec.exe
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:316

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/316-6-0x0000000000000000-mapping.dmp
  • memory/316-8-0x0000000000090000-0x00000000000C7000-memory.dmp
    Filesize

    220KB

  • memory/784-9-0x000007FEF72E0000-0x000007FEF755A000-memory.dmp
    Filesize

    2.5MB

  • memory/2028-2-0x0000000000000000-mapping.dmp
  • memory/2028-3-0x00000000760C1000-0x00000000760C3000-memory.dmp
    Filesize

    8KB

  • memory/2028-4-0x0000000074620000-0x0000000074657000-memory.dmp
    Filesize

    220KB

  • memory/2028-5-0x0000000000130000-0x0000000000131000-memory.dmp
    Filesize

    4KB