Resubmissions

15-10-2020 13:31

201015-fye6cmvw2x 10

15-10-2020 10:36

201015-lpwpgvvlrx 10

07-10-2020 13:09

201007-gb8s3rc2dn 1

07-10-2020 04:33

201007-bq47zyvhf2 1

Analysis

  • max time kernel
    120s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    15-10-2020 10:36

General

  • Target

    adfde0367ba639980632da58a5444005.dll

  • Size

    429KB

  • MD5

    adfde0367ba639980632da58a5444005

  • SHA1

    451dd7d059eb7fd22bb7bb46e64de0a1436e6dc3

  • SHA256

    191bbf8eafbe5dfcf56bb139f36d44724bdb9fd1e708cd29dfd2d7b2b916f9f2

  • SHA512

    1726d83df12cbd9c2a07322925253053720a65d986b4acbb356240afbbed63589c163c7dacaf9a00242769d32943241af2edc6be7ea80e52ee2b041e1843508e

Malware Config

Extracted

Family

zloader

Botnet

divader

Campaign

xls_spam_2909

C2

https://fqnesas.ru/gate.php

https://fqnvsdaas.su/gate.php

https://fqnvtmqass.ru/gate.php

https://fqnvtcpheas.su/gate.php

https://fqnvtmophfeas.ru/gate.php

https://fqnceas.su/gate.php

https://fqlocpeas.ru/gate.php

https://dksaiijn.ru/gate.php

https://dksafjasnf.su/gate.php

https://fjsafasfsa.ru/gate.php

rc4.plain
rsa_pubkey.plain

Signatures

  • Zloader, Terdot, DELoader, ZeusSphinx

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • 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\adfde0367ba639980632da58a5444005.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1012
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\adfde0367ba639980632da58a5444005.dll,#1
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1068
      • C:\Windows\SysWOW64\msiexec.exe
        msiexec.exe
        3⤵
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        PID:1668

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1068-0-0x0000000000000000-mapping.dmp

  • memory/1668-1-0x0000000000090000-0x00000000000B9000-memory.dmp

    Filesize

    164KB

  • memory/1668-2-0x00000000000C0000-0x00000000000C1000-memory.dmp

    Filesize

    4KB

  • memory/1668-3-0x0000000000090000-0x00000000000B9000-memory.dmp

    Filesize

    164KB

  • memory/1668-4-0x0000000000000000-mapping.dmp

  • memory/1840-5-0x000007FEF7C50000-0x000007FEF7ECA000-memory.dmp

    Filesize

    2.5MB