Analysis

  • max time kernel
    129s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-12-2022 18:01

General

  • Target

    jonathanfrith.co.document.12.23.2022.docm

  • Size

    1.3MB

  • MD5

    1fd26f7168cef61ecfa03cbd2a9c7eec

  • SHA1

    818a19cdc8a28151083dd201cea5ebec0355a3fa

  • SHA256

    fcadf8c50d8b114cabd4509452b1a4f24f28f5b439179cae610dc037727d2077

  • SHA512

    7d90730e21fb2489d9cf71b127f9fc17b5275b2f4f6fda0cbe85eb707d9130851f29cbe7747808e1a79e2b99ea6343ee525cf78c11ff6f1d44039cccd72882ba

  • SSDEEP

    24576://JpJmLOgHWi8bj11H2w5inpF7sONo/qiy7L9pvRDuG7EzqHm+Bmcq:/xpJmgf3zliFppVKqG+K

Malware Config

Extracted

Family

icedid

Campaign

1212497363

C2

trbiriumpa.com

Signatures

  • IcedID, BokBot

    IcedID is a banking trojan capable of stealing credentials.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blocklisted process makes network request 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\jonathanfrith.co.document.12.23.2022.docm" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:3312
  • C:\Windows\system32\rundll32.exe
    rundll32 C:\ProgramData\KBRU2.DLL,init
    1⤵
    • Process spawned unexpected child process
    • Blocklisted process makes network request
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    PID:3472

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\KBRU2.DLL

    Filesize

    740KB

    MD5

    404584ebbd5392ae611636e83c80df07

    SHA1

    4215876dbb1d8b9d617e35a305ac1d9c03c3c138

    SHA256

    d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

    SHA512

    7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

  • C:\ProgramData\KBRU2.DLL

    Filesize

    740KB

    MD5

    404584ebbd5392ae611636e83c80df07

    SHA1

    4215876dbb1d8b9d617e35a305ac1d9c03c3c138

    SHA256

    d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

    SHA512

    7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

  • memory/3312-138-0x00007FF85FF60000-0x00007FF85FF70000-memory.dmp

    Filesize

    64KB

  • memory/3312-135-0x00007FF862050000-0x00007FF862060000-memory.dmp

    Filesize

    64KB

  • memory/3312-136-0x00007FF862050000-0x00007FF862060000-memory.dmp

    Filesize

    64KB

  • memory/3312-137-0x00007FF85FF60000-0x00007FF85FF70000-memory.dmp

    Filesize

    64KB

  • memory/3312-132-0x00007FF862050000-0x00007FF862060000-memory.dmp

    Filesize

    64KB

  • memory/3312-133-0x00007FF862050000-0x00007FF862060000-memory.dmp

    Filesize

    64KB

  • memory/3312-134-0x00007FF862050000-0x00007FF862060000-memory.dmp

    Filesize

    64KB

  • memory/3312-148-0x00007FF862050000-0x00007FF862060000-memory.dmp

    Filesize

    64KB

  • memory/3312-149-0x00007FF862050000-0x00007FF862060000-memory.dmp

    Filesize

    64KB

  • memory/3312-150-0x00007FF862050000-0x00007FF862060000-memory.dmp

    Filesize

    64KB

  • memory/3312-151-0x00007FF862050000-0x00007FF862060000-memory.dmp

    Filesize

    64KB

  • memory/3472-141-0x0000000180000000-0x0000000180009000-memory.dmp

    Filesize

    36KB