Analysis

  • max time kernel
    163s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    19-02-2022 21:25

General

  • Target

    c1ae38afb6c82b9107868d66318095f1c00f1e92dddc0ee953c23a8de4ace353.exe

  • Size

    287KB

  • MD5

    ef45a5b40438205dc050f4afebc278b5

  • SHA1

    6760ea10d2e201b688d841ee11c841653ede94f5

  • SHA256

    c1ae38afb6c82b9107868d66318095f1c00f1e92dddc0ee953c23a8de4ace353

  • SHA512

    fcceff6a644a09fdae46ffc306743277d6cc078c273b7dd6f85be97592aa23ca4631bf6564dbd130f9aaa38536066af3b61713a07984e9d7e0a9909cd635b021

Malware Config

Extracted

Family

gootkit

Botnet

6546

C2

servicemanager.icu

partnerservice.xyz

Attributes
  • vendor_id

    6546

Signatures

  • Gootkit

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

  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 52 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c1ae38afb6c82b9107868d66318095f1c00f1e92dddc0ee953c23a8de4ace353.exe
    "C:\Users\Admin\AppData\Local\Temp\c1ae38afb6c82b9107868d66318095f1c00f1e92dddc0ee953c23a8de4ace353.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2572
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\30282234.bat" "C:\Users\Admin\AppData\Local\Temp\c1ae38afb6c82b9107868d66318095f1c00f1e92dddc0ee953c23a8de4ace353.exe""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2236
      • C:\Windows\SysWOW64\attrib.exe
        attrib -r -s -h "C:\Users\Admin\AppData\Local\Temp\c1ae38afb6c82b9107868d66318095f1c00f1e92dddc0ee953c23a8de4ace353.exe"
        3⤵
        • Views/modifies file attributes
        PID:2512
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3032
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:2736
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:432

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2572-130-0x00000000005F0000-0x00000000005F3000-memory.dmp

    Filesize

    12KB

  • memory/2572-131-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB