Analysis

  • max time kernel
    105s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-01-2023 18:51

General

  • Target

    b6748e63c66c4dadff044129ac5224722b527969c4afa8572a35b29b0a28d15e.docm

  • Size

    1.3MB

  • MD5

    0d30c944f3a25dd5a3d3300dce762a4c

  • SHA1

    039278d36e0e2e0e37287bcba10ab0ce194ebe74

  • SHA256

    b6748e63c66c4dadff044129ac5224722b527969c4afa8572a35b29b0a28d15e

  • SHA512

    3d007dc0cbec5d2947248abf5b07c00b4a6be7687ade14dd1f4adcf4151e46f2f8099f598dca11cb160a7229e4264ca975dd3375ad6f016f157dc85801575a17

  • SSDEEP

    24576:/xpJmLOgHWi8bj11H2w5inpF7sONo/qiy7L9pvRD8G7EzqHm+Bmcq:/xpJmgf3zliFpp/KqG+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 2 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\b6748e63c66c4dadff044129ac5224722b527969c4afa8572a35b29b0a28d15e.docm" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:4904
  • C:\Windows\system32\rundll32.exe
    rundll32 C:\ProgramData\KBHU9.DLL,init
    1⤵
    • Process spawned unexpected child process
    • Blocklisted process makes network request
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    PID:2656

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\KBHU9.DLL
    Filesize

    740KB

    MD5

    404584ebbd5392ae611636e83c80df07

    SHA1

    4215876dbb1d8b9d617e35a305ac1d9c03c3c138

    SHA256

    d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

    SHA512

    7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

  • C:\ProgramData\KBHU9.DLL
    Filesize

    740KB

    MD5

    404584ebbd5392ae611636e83c80df07

    SHA1

    4215876dbb1d8b9d617e35a305ac1d9c03c3c138

    SHA256

    d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

    SHA512

    7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

  • memory/2656-141-0x0000000180000000-0x0000000180009000-memory.dmp
    Filesize

    36KB

  • memory/4904-135-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmp
    Filesize

    64KB

  • memory/4904-136-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmp
    Filesize

    64KB

  • memory/4904-137-0x00007FFD92AA0000-0x00007FFD92AB0000-memory.dmp
    Filesize

    64KB

  • memory/4904-138-0x00007FFD92AA0000-0x00007FFD92AB0000-memory.dmp
    Filesize

    64KB

  • memory/4904-132-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmp
    Filesize

    64KB

  • memory/4904-134-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmp
    Filesize

    64KB

  • memory/4904-133-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmp
    Filesize

    64KB

  • memory/4904-148-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmp
    Filesize

    64KB

  • memory/4904-149-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmp
    Filesize

    64KB

  • memory/4904-150-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmp
    Filesize

    64KB

  • memory/4904-151-0x00007FFD94C10000-0x00007FFD94C20000-memory.dmp
    Filesize

    64KB