Analysis

  • max time kernel
    140s
  • max time network
    159s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2023 15:37

General

  • Target

    51215d7d543fa28d5327e31002069f37a17cbed4b539bbf437d3a56cf906d3db_JC.vbs

  • Size

    1012KB

  • MD5

    cf9c217dd4416c8454b923f0bb526748

  • SHA1

    b039f86204fe0ac7e1f0f5e3690134300071b946

  • SHA256

    51215d7d543fa28d5327e31002069f37a17cbed4b539bbf437d3a56cf906d3db

  • SHA512

    f3c6f1be13ba1c0df9a6a062f7eb0c4ff990b0cf9656aac4171dfaa7e10f720f238364f99a16d3992944744114d17735e6dfc9d2abbdc40d2050623c2152d4b5

  • SSDEEP

    6144:XoEsxGrDm4ErxJ0eGGGsphHCapSSJry9lKm4RzIBCAGYse6aWnPPuiUjAxCbT8Ie:21rG66fszIBqPr+vNsmxO8oH1qII85

Malware Config

Extracted

Family

icedid

Campaign

361893872

Signatures

  • IcedID, BokBot

    IcedID is a banking trojan capable of stealing credentials.

  • Blocklisted process makes network request 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\51215d7d543fa28d5327e31002069f37a17cbed4b539bbf437d3a56cf906d3db_JC.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2176
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" C://windows/Temp/0317-1.dll
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2040
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C rundll32.exe C:\Users\Admin\AppData\Local\Admin\Udedacui.dll,#1
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2776
        • C:\Windows\system32\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Local\Admin\Udedacui.dll,#1
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          PID:2864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Admin\Udedacui.dll

    Filesize

    583KB

    MD5

    0245e02cbb6ffe2716c2aeb7fb8006d0

    SHA1

    59dd3d2477211eb4fcd72b542812a2036fa0e1e8

    SHA256

    5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1

    SHA512

    0c2e863512f2d83429e681cbcdb31bf9c6f0a69611f6d8923198d51d1e49750f4bf441c8ce256fb44a9cb39a6855e70fcbc644739926570214400bd06a683d82

  • C:\Users\Admin\AppData\Local\Temp\Cab90EC.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\windows\Temp\0317-1.dll

    Filesize

    328KB

    MD5

    bb7da19e0399724519724d44d7c331c7

    SHA1

    b10fb1c24b1d4187e24ee1be76b6247b862b214c

    SHA256

    5e3bb62b44636f502e387d4c00bd5a7bc1d040332028238ccd812f73e6d859ca

    SHA512

    b68e3f3fec30cac41a11a939e0a5e9db2e45574cb31201fb9dd92657cd03edc060df4f7026ce2f1d9617b48ac88769dcb67958aea040684e661be82d0f8f3fd9

  • \Users\Admin\AppData\Local\Admin\Udedacui.dll

    Filesize

    583KB

    MD5

    0245e02cbb6ffe2716c2aeb7fb8006d0

    SHA1

    59dd3d2477211eb4fcd72b542812a2036fa0e1e8

    SHA256

    5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1

    SHA512

    0c2e863512f2d83429e681cbcdb31bf9c6f0a69611f6d8923198d51d1e49750f4bf441c8ce256fb44a9cb39a6855e70fcbc644739926570214400bd06a683d82

  • \Users\Admin\AppData\Local\Admin\Udedacui.dll

    Filesize

    583KB

    MD5

    0245e02cbb6ffe2716c2aeb7fb8006d0

    SHA1

    59dd3d2477211eb4fcd72b542812a2036fa0e1e8

    SHA256

    5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1

    SHA512

    0c2e863512f2d83429e681cbcdb31bf9c6f0a69611f6d8923198d51d1e49750f4bf441c8ce256fb44a9cb39a6855e70fcbc644739926570214400bd06a683d82

  • \Users\Admin\AppData\Local\Admin\Udedacui.dll

    Filesize

    583KB

    MD5

    0245e02cbb6ffe2716c2aeb7fb8006d0

    SHA1

    59dd3d2477211eb4fcd72b542812a2036fa0e1e8

    SHA256

    5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1

    SHA512

    0c2e863512f2d83429e681cbcdb31bf9c6f0a69611f6d8923198d51d1e49750f4bf441c8ce256fb44a9cb39a6855e70fcbc644739926570214400bd06a683d82

  • \Users\Admin\AppData\Local\Admin\Udedacui.dll

    Filesize

    583KB

    MD5

    0245e02cbb6ffe2716c2aeb7fb8006d0

    SHA1

    59dd3d2477211eb4fcd72b542812a2036fa0e1e8

    SHA256

    5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1

    SHA512

    0c2e863512f2d83429e681cbcdb31bf9c6f0a69611f6d8923198d51d1e49750f4bf441c8ce256fb44a9cb39a6855e70fcbc644739926570214400bd06a683d82

  • \Windows\Temp\0317-1.dll

    Filesize

    328KB

    MD5

    bb7da19e0399724519724d44d7c331c7

    SHA1

    b10fb1c24b1d4187e24ee1be76b6247b862b214c

    SHA256

    5e3bb62b44636f502e387d4c00bd5a7bc1d040332028238ccd812f73e6d859ca

    SHA512

    b68e3f3fec30cac41a11a939e0a5e9db2e45574cb31201fb9dd92657cd03edc060df4f7026ce2f1d9617b48ac88769dcb67958aea040684e661be82d0f8f3fd9

  • memory/2040-23-0x0000000000130000-0x000000000013D000-memory.dmp

    Filesize

    52KB

  • memory/2040-22-0x0000000000130000-0x000000000013D000-memory.dmp

    Filesize

    52KB

  • memory/2040-4-0x0000000000130000-0x000000000013D000-memory.dmp

    Filesize

    52KB

  • memory/2040-3-0x0000000000130000-0x000000000013D000-memory.dmp

    Filesize

    52KB

  • memory/2864-30-0x0000000000110000-0x000000000015F000-memory.dmp

    Filesize

    316KB

  • memory/2864-31-0x00000000005F0000-0x000000000063C000-memory.dmp

    Filesize

    304KB

  • memory/2864-36-0x00000000005F0000-0x000000000063C000-memory.dmp

    Filesize

    304KB

  • memory/2864-37-0x00000000005F0000-0x000000000063C000-memory.dmp

    Filesize

    304KB

  • memory/2864-38-0x0000000000110000-0x000000000015F000-memory.dmp

    Filesize

    316KB