Analysis

  • max time kernel
    106s
  • max time network
    109s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    12-08-2022 14:29

General

  • Target

    request.docm

  • Size

    2.3MB

  • MD5

    7c36ee4f6d8bbecf5270657d6740adef

  • SHA1

    1a9579f6534e0e2ad840c66f6db09d53d898be2d

  • SHA256

    c42cbaf9d2df31592ed81fa1f9e5df7a1741eea1b63c1d0396b0722ca7e5cd97

  • SHA512

    d1146583f4b02ec6e8ebb4395873d4e2fb1520c5c3987ed79c43d446a11b2e56cb451b603c3a3081749045b316cd22c4e9a920221d6e46897bad82718bd44903

Malware Config

Extracted

Family

icedid

Campaign

3570055661

C2

alexbionka.com

Signatures

  • IcedID, BokBot

    IcedID is a banking trojan capable of stealing credentials.

  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 9 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 12 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\request.docm"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:576
    • C:\Users\Admin\AppData\Local\Temp\rB4C2.tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\rB4C2.tmp.exe" "C:\Users\Admin\AppData\Local\Temp\y9262.tmp.dll",#1
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1792
      • C:\Windows\system32\rundll32.exe
        "C:\Users\Admin\AppData\Local\Temp\rB4C2.tmp.exe" "C:\Users\Admin\AppData\Local\Temp\y9262.tmp.dll",#1
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        PID:1948
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1940

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\rB4C2.tmp.exe
      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • C:\Users\Admin\AppData\Local\Temp\y9262.tmp.dll
      Filesize

      352KB

      MD5

      838d4aca452638bf9d22b062675b33f7

      SHA1

      bc19b6b8b3ea703518e6a756408f68c4470672a4

      SHA256

      b8a8d8099da756b903b489dea784b9cf9d9688de3737c0b23c71fdfe814b4239

      SHA512

      8a74953e108d789de208279b6d64c71f9ec830882d73406d892686dd9feae3fdc4ecd92d9f1cd29b6c6bdbfeca3cedfdd7ea4c52c98354e25c6d5fa594949d72

    • \Users\Admin\AppData\Local\Temp\rB4C2.tmp.exe
      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • \Users\Admin\AppData\Local\Temp\y9262.tmp.dll
      Filesize

      352KB

      MD5

      838d4aca452638bf9d22b062675b33f7

      SHA1

      bc19b6b8b3ea703518e6a756408f68c4470672a4

      SHA256

      b8a8d8099da756b903b489dea784b9cf9d9688de3737c0b23c71fdfe814b4239

      SHA512

      8a74953e108d789de208279b6d64c71f9ec830882d73406d892686dd9feae3fdc4ecd92d9f1cd29b6c6bdbfeca3cedfdd7ea4c52c98354e25c6d5fa594949d72

    • \Users\Admin\AppData\Local\Temp\y9262.tmp.dll
      Filesize

      352KB

      MD5

      838d4aca452638bf9d22b062675b33f7

      SHA1

      bc19b6b8b3ea703518e6a756408f68c4470672a4

      SHA256

      b8a8d8099da756b903b489dea784b9cf9d9688de3737c0b23c71fdfe814b4239

      SHA512

      8a74953e108d789de208279b6d64c71f9ec830882d73406d892686dd9feae3fdc4ecd92d9f1cd29b6c6bdbfeca3cedfdd7ea4c52c98354e25c6d5fa594949d72

    • \Users\Admin\AppData\Local\Temp\y9262.tmp.dll
      Filesize

      352KB

      MD5

      838d4aca452638bf9d22b062675b33f7

      SHA1

      bc19b6b8b3ea703518e6a756408f68c4470672a4

      SHA256

      b8a8d8099da756b903b489dea784b9cf9d9688de3737c0b23c71fdfe814b4239

      SHA512

      8a74953e108d789de208279b6d64c71f9ec830882d73406d892686dd9feae3fdc4ecd92d9f1cd29b6c6bdbfeca3cedfdd7ea4c52c98354e25c6d5fa594949d72

    • \Users\Admin\AppData\Local\Temp\y9262.tmp.dll
      Filesize

      352KB

      MD5

      838d4aca452638bf9d22b062675b33f7

      SHA1

      bc19b6b8b3ea703518e6a756408f68c4470672a4

      SHA256

      b8a8d8099da756b903b489dea784b9cf9d9688de3737c0b23c71fdfe814b4239

      SHA512

      8a74953e108d789de208279b6d64c71f9ec830882d73406d892686dd9feae3fdc4ecd92d9f1cd29b6c6bdbfeca3cedfdd7ea4c52c98354e25c6d5fa594949d72

    • \Users\Admin\AppData\Local\Temp\y9262.tmp.dll
      Filesize

      352KB

      MD5

      838d4aca452638bf9d22b062675b33f7

      SHA1

      bc19b6b8b3ea703518e6a756408f68c4470672a4

      SHA256

      b8a8d8099da756b903b489dea784b9cf9d9688de3737c0b23c71fdfe814b4239

      SHA512

      8a74953e108d789de208279b6d64c71f9ec830882d73406d892686dd9feae3fdc4ecd92d9f1cd29b6c6bdbfeca3cedfdd7ea4c52c98354e25c6d5fa594949d72

    • \Users\Admin\AppData\Local\Temp\y9262.tmp.dll
      Filesize

      352KB

      MD5

      838d4aca452638bf9d22b062675b33f7

      SHA1

      bc19b6b8b3ea703518e6a756408f68c4470672a4

      SHA256

      b8a8d8099da756b903b489dea784b9cf9d9688de3737c0b23c71fdfe814b4239

      SHA512

      8a74953e108d789de208279b6d64c71f9ec830882d73406d892686dd9feae3fdc4ecd92d9f1cd29b6c6bdbfeca3cedfdd7ea4c52c98354e25c6d5fa594949d72

    • \Users\Admin\AppData\Local\Temp\y9262.tmp.dll
      Filesize

      352KB

      MD5

      838d4aca452638bf9d22b062675b33f7

      SHA1

      bc19b6b8b3ea703518e6a756408f68c4470672a4

      SHA256

      b8a8d8099da756b903b489dea784b9cf9d9688de3737c0b23c71fdfe814b4239

      SHA512

      8a74953e108d789de208279b6d64c71f9ec830882d73406d892686dd9feae3fdc4ecd92d9f1cd29b6c6bdbfeca3cedfdd7ea4c52c98354e25c6d5fa594949d72

    • \Users\Admin\AppData\Local\Temp\y9262.tmp.dll
      Filesize

      352KB

      MD5

      838d4aca452638bf9d22b062675b33f7

      SHA1

      bc19b6b8b3ea703518e6a756408f68c4470672a4

      SHA256

      b8a8d8099da756b903b489dea784b9cf9d9688de3737c0b23c71fdfe814b4239

      SHA512

      8a74953e108d789de208279b6d64c71f9ec830882d73406d892686dd9feae3fdc4ecd92d9f1cd29b6c6bdbfeca3cedfdd7ea4c52c98354e25c6d5fa594949d72

    • memory/576-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/576-977-0x000000007150D000-0x0000000071518000-memory.dmp
      Filesize

      44KB

    • memory/576-55-0x0000000070521000-0x0000000070523000-memory.dmp
      Filesize

      8KB

    • memory/576-54-0x0000000072AA1000-0x0000000072AA4000-memory.dmp
      Filesize

      12KB

    • memory/576-990-0x0000000002210000-0x00000000022C3000-memory.dmp
      Filesize

      716KB

    • memory/576-57-0x0000000075911000-0x0000000075913000-memory.dmp
      Filesize

      8KB

    • memory/576-58-0x000000007150D000-0x0000000071518000-memory.dmp
      Filesize

      44KB

    • memory/576-989-0x000000007150D000-0x0000000071518000-memory.dmp
      Filesize

      44KB

    • memory/576-962-0x0000000006920000-0x000000000756A000-memory.dmp
      Filesize

      12.3MB

    • memory/576-963-0x0000000002210000-0x00000000022C3000-memory.dmp
      Filesize

      716KB

    • memory/576-988-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/576-984-0x0000000006920000-0x000000000756A000-memory.dmp
      Filesize

      12.3MB

    • memory/576-985-0x0000000002210000-0x00000000022C3000-memory.dmp
      Filesize

      716KB

    • memory/1792-965-0x0000000000000000-mapping.dmp
    • memory/1940-986-0x0000000000000000-mapping.dmp
    • memory/1940-987-0x000007FEFBF01000-0x000007FEFBF03000-memory.dmp
      Filesize

      8KB

    • memory/1948-978-0x0000000180000000-0x0000000180009000-memory.dmp
      Filesize

      36KB

    • memory/1948-972-0x0000000000000000-mapping.dmp