Analysis

  • max time kernel
    97s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    25-06-2022 05:36

General

  • Target

    5982fb0c9e888cd3be9cfdf7a2b620122d99af6414efdb115ddaa61d5c1981b1.dll

  • Size

    52KB

  • MD5

    8b2457a9e2e924c107838eef31fa8723

  • SHA1

    74f533e3609e12f13338a38c4c3784612601b8b0

  • SHA256

    5982fb0c9e888cd3be9cfdf7a2b620122d99af6414efdb115ddaa61d5c1981b1

  • SHA512

    ba668dc45ab7c53b4606d126929111b3e54c5cf59a1ebba7b00106c8d36caa027a9c4bb27d83e6f8caefd9474a9e204b149669d16bab8d2de7f8ed75dab21ce2

Malware Config

Extracted

Family

gootkit

Botnet

4

C2

ewerwelk.net

neperalani.com

Attributes
  • vendor_id

    4

Signatures

  • Gootkit

    Gootkit is a banking trojan, where large parts are written in node.JS.

  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\5982fb0c9e888cd3be9cfdf7a2b620122d99af6414efdb115ddaa61d5c1981b1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1636
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5982fb0c9e888cd3be9cfdf7a2b620122d99af6414efdb115ddaa61d5c1981b1.dll,#1
      2⤵
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2532
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
        • Checks BIOS information in registry
        • Checks processor information in registry
        PID:2748

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2532-130-0x0000000000000000-mapping.dmp
  • memory/2748-131-0x0000000000000000-mapping.dmp
  • memory/2748-132-0x00000000005B0000-0x00000000005CB000-memory.dmp
    Filesize

    108KB

  • memory/2748-133-0x00000000005B0000-0x00000000005CB000-memory.dmp
    Filesize

    108KB