Analysis

  • max time kernel
    159s
  • max time network
    173s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    01-02-2022 09:26

General

  • Target

    b3cb381f114ec9c163335509a217bbe1c6baa8d2cf5655b5ff84fd8d0a28dc9a.dll

  • Size

    257KB

  • MD5

    5932c1d8e10c2032f9d05da06d1ae299

  • SHA1

    aef4c1c9496c034e17d5917f9754e61a4ba01306

  • SHA256

    b3cb381f114ec9c163335509a217bbe1c6baa8d2cf5655b5ff84fd8d0a28dc9a

  • SHA512

    55eecb201ff082a5ae1a644649931123e725a7621dd607da1a827d2309c4256adf735b5b42a64f4d078843e7d414aacfe8f3a61f478584afac1f1a222282cd68

Malware Config

Extracted

Family

zloader

Botnet

DLLobnova

Campaign

mrlapis

C2

https://dsdjfhdsufudhjas.pro/gate.php

https://dsdjfhd9ddksaas.pro/gate.php

https://dsdjfhdsufudhjas.name/gate.php

https://dsdjfhd9ddksaas.com/gate.php

https://dsdjfhdsufudhjas.pw/gate.php

https://dsdjfhd9ddksaas.ru/gate.php

https://dsdjfhdsufudhjas.su/gate.php

https://kdsadisadijdsasm2.com/gate.php

https://dsdjfhdsufudhjas.net/gate.php

https://dsdjfhd9ddksaas.eu/gate.php

Attributes
  • build_id

    8

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\b3cb381f114ec9c163335509a217bbe1c6baa8d2cf5655b5ff84fd8d0a28dc9a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1560
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b3cb381f114ec9c163335509a217bbe1c6baa8d2cf5655b5ff84fd8d0a28dc9a.dll,#1
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1520
      • C:\Windows\SysWOW64\msiexec.exe
        msiexec.exe
        3⤵
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        PID:572

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/572-56-0x00000000000C0000-0x00000000000C1000-memory.dmp
    Filesize

    4KB

  • memory/572-55-0x0000000000090000-0x00000000000BC000-memory.dmp
    Filesize

    176KB

  • memory/572-57-0x0000000000090000-0x00000000000BC000-memory.dmp
    Filesize

    176KB

  • memory/572-60-0x0000000000090000-0x00000000000BC000-memory.dmp
    Filesize

    176KB

  • memory/1520-54-0x0000000076911000-0x0000000076913000-memory.dmp
    Filesize

    8KB

  • memory/1520-58-0x0000000000400000-0x0000000000447000-memory.dmp
    Filesize

    284KB