Analysis

  • max time kernel
    147s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2023 15:21

General

  • Target

    33b0caa7066bbe2d8811c641fce0719937dd65258c45577814c1138aebe28606_JC.vbs

  • Size

    1012KB

  • MD5

    18fd646d4bca745c943fb5fbb759556a

  • SHA1

    9dfda82b4813a32a0919ccf0ef9d0b57be484222

  • SHA256

    33b0caa7066bbe2d8811c641fce0719937dd65258c45577814c1138aebe28606

  • SHA512

    b6aeac4a09ae50674c791e576a469846ccd2908f7cadd012ef227887045cccc17ddf19adafd79e4b43492bff5a8ebb2f0c78ca3c93d5c8e729ae12de254692c8

  • SSDEEP

    6144:pCCkTv4Am9i/5AIw30JxE8FRBFOegM4TgyKX/hGLTURNrlEgBNJUeMZFKCgHm89B:KNUkJx8jM4T7KGc9d/dRgDBi

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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 2 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 6 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\33b0caa7066bbe2d8811c641fce0719937dd65258c45577814c1138aebe28606_JC.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" C://windows/Temp/0297-1.dll
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:380
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C rundll32.exe C:\Users\Admin\AppData\Local\{75E92518-94F9-F91C-1154-E11130BD7A19}\weihacmm.dll,#1
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4532
        • C:\Windows\system32\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Local\{75E92518-94F9-F91C-1154-E11130BD7A19}\weihacmm.dll,#1
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          PID:1668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\{75E92518-94F9-F91C-1154-E11130BD7A19}\weihacmm.dll

    Filesize

    583KB

    MD5

    0245e02cbb6ffe2716c2aeb7fb8006d0

    SHA1

    59dd3d2477211eb4fcd72b542812a2036fa0e1e8

    SHA256

    5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1

    SHA512

    0c2e863512f2d83429e681cbcdb31bf9c6f0a69611f6d8923198d51d1e49750f4bf441c8ce256fb44a9cb39a6855e70fcbc644739926570214400bd06a683d82

  • C:\Users\Admin\AppData\Local\{75E92518-94F9-F91C-1154-E11130BD7A19}\weihacmm.dll

    Filesize

    583KB

    MD5

    0245e02cbb6ffe2716c2aeb7fb8006d0

    SHA1

    59dd3d2477211eb4fcd72b542812a2036fa0e1e8

    SHA256

    5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1

    SHA512

    0c2e863512f2d83429e681cbcdb31bf9c6f0a69611f6d8923198d51d1e49750f4bf441c8ce256fb44a9cb39a6855e70fcbc644739926570214400bd06a683d82

  • C:\Windows\Temp\0297-1.dll

    Filesize

    328KB

    MD5

    bbad623d649fbf9cab11489c9f332017

    SHA1

    db5d550175dd4bb849b237f91d0b92ec3ef3fb61

    SHA256

    903d889eae5f0562e56cdef7a3f4ed94779d4c67d10d8621a3885100a23779ee

    SHA512

    1ae990c72b2163d92ebea693526294e4f37afd38d7f6ec806edbc6cc3f03ecd0843465fa3cd99ad9ef6c4b4cb192be8d38f76f796fc90b16cf95f74a6c4f090e

  • C:\windows\Temp\0297-1.dll

    Filesize

    328KB

    MD5

    bbad623d649fbf9cab11489c9f332017

    SHA1

    db5d550175dd4bb849b237f91d0b92ec3ef3fb61

    SHA256

    903d889eae5f0562e56cdef7a3f4ed94779d4c67d10d8621a3885100a23779ee

    SHA512

    1ae990c72b2163d92ebea693526294e4f37afd38d7f6ec806edbc6cc3f03ecd0843465fa3cd99ad9ef6c4b4cb192be8d38f76f796fc90b16cf95f74a6c4f090e

  • memory/380-4-0x00000000013C0000-0x00000000013CD000-memory.dmp

    Filesize

    52KB

  • memory/380-8-0x00000000013C0000-0x00000000013CD000-memory.dmp

    Filesize

    52KB

  • memory/1668-12-0x000001A3D0620000-0x000001A3D066F000-memory.dmp

    Filesize

    316KB

  • memory/1668-13-0x000001A3D1FB0000-0x000001A3D1FFC000-memory.dmp

    Filesize

    304KB

  • memory/1668-18-0x000001A3D1FB0000-0x000001A3D1FFC000-memory.dmp

    Filesize

    304KB

  • memory/1668-19-0x000001A3D1FB0000-0x000001A3D1FFC000-memory.dmp

    Filesize

    304KB

  • memory/1668-20-0x000001A3D0620000-0x000001A3D066F000-memory.dmp

    Filesize

    316KB