Analysis

  • max time kernel
    138s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-12-2022 18:01

General

  • Target

    gsiglass.doc.12.23.2022.docm

  • Size

    1.3MB

  • MD5

    dbd525ba3dbafcf6d02cb60aeb73c9a1

  • SHA1

    a949398ca6c88a011c328718e8cb9926c07682c5

  • SHA256

    33cd21ac3283931b01f413bd220098fa020a6f0b397a31a46182f380d828bf05

  • SHA512

    600ee6def80683a4be1670663adc3997fe4b8983b9886e7b9cada8aceddcb68303e28eaff2efdea9ef746dab6e6c57a2809386fdb4a2f98f7e105ff23651c421

  • SSDEEP

    24576:/MEZpJmLOgHWi8bj11H2w5inpF7sONo/qiy7L9pvRDJG7EzqHm+Bmc4:/MEZpJmgf3zliFpp6KqG+Y

Malware Config

Extracted

Family

icedid

Campaign

1212497363

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 4 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\gsiglass.doc.12.23.2022.docm"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2044
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:584
    • C:\Windows\system32\rundll32.exe
      rundll32 C:\ProgramData\KBIT8.DLL,init
      1⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      PID:1952

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\KBIT8.DLL
      Filesize

      740KB

      MD5

      404584ebbd5392ae611636e83c80df07

      SHA1

      4215876dbb1d8b9d617e35a305ac1d9c03c3c138

      SHA256

      d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

      SHA512

      7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

    • \ProgramData\KBIT8.DLL
      Filesize

      740KB

      MD5

      404584ebbd5392ae611636e83c80df07

      SHA1

      4215876dbb1d8b9d617e35a305ac1d9c03c3c138

      SHA256

      d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

      SHA512

      7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

    • \ProgramData\KBIT8.DLL
      Filesize

      740KB

      MD5

      404584ebbd5392ae611636e83c80df07

      SHA1

      4215876dbb1d8b9d617e35a305ac1d9c03c3c138

      SHA256

      d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

      SHA512

      7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

    • \ProgramData\KBIT8.DLL
      Filesize

      740KB

      MD5

      404584ebbd5392ae611636e83c80df07

      SHA1

      4215876dbb1d8b9d617e35a305ac1d9c03c3c138

      SHA256

      d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

      SHA512

      7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

    • \ProgramData\KBIT8.DLL
      Filesize

      740KB

      MD5

      404584ebbd5392ae611636e83c80df07

      SHA1

      4215876dbb1d8b9d617e35a305ac1d9c03c3c138

      SHA256

      d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

      SHA512

      7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

    • memory/584-202-0x0000000000000000-mapping.dmp
    • memory/2044-85-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-60-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-57-0x0000000075F81000-0x0000000075F83000-memory.dmp
      Filesize

      8KB

    • memory/2044-58-0x00000000717AD000-0x00000000717B8000-memory.dmp
      Filesize

      44KB

    • memory/2044-59-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-90-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-61-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-62-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-63-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-91-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-65-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-66-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-67-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-68-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-69-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-70-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-71-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-72-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-73-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-74-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-75-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-76-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-77-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-79-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-78-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-80-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-81-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-82-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-83-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-84-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-55-0x00000000707C1000-0x00000000707C3000-memory.dmp
      Filesize

      8KB

    • memory/2044-86-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-87-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-88-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-201-0x00000000002F7000-0x00000000002F9000-memory.dmp
      Filesize

      8KB

    • memory/2044-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/2044-64-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-92-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-93-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-94-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-95-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-96-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-97-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-98-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-99-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-100-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-102-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-101-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-104-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-103-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-106-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-105-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-108-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-107-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-110-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-109-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-112-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-111-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-115-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-114-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-113-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-117-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-116-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-118-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-137-0x00000000002F7000-0x00000000002F9000-memory.dmp
      Filesize

      8KB

    • memory/2044-89-0x00000000002F6000-0x00000000002FA000-memory.dmp
      Filesize

      16KB

    • memory/2044-54-0x0000000072D41000-0x0000000072D44000-memory.dmp
      Filesize

      12KB

    • memory/2044-204-0x00000000717AD000-0x00000000717B8000-memory.dmp
      Filesize

      44KB

    • memory/2044-206-0x00000000717AD000-0x00000000717B8000-memory.dmp
      Filesize

      44KB