Analysis

  • max time kernel
    140s
  • max time network
    148s
  • 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 15:25

General

  • Target

    3a487d3f3cea6d0b055a46c6a2371de2631089400459617c554cbe263e045296_JC.vbs

  • Size

    1012KB

  • MD5

    730202d675eaf81bc96b9c9b1d6168d9

  • SHA1

    cd515aee1eab6b6ba97202f8426c208602194463

  • SHA256

    3a487d3f3cea6d0b055a46c6a2371de2631089400459617c554cbe263e045296

  • SHA512

    df807323bdd3c129cf951756c3110c5bd28ef7c833b51b6fb5cc56c9bff9f3991b5558a999b3e2d601547d68a8670dd0d51c65289a5ff703631fe246dd06b834

  • SSDEEP

    6144:S9au8yx1oVR1cLE79fjlVy4YN+12CBeqv4iJQTTQOUO9M8byg/TcpMjHM4c1EECR:SR+Vatk+TQoM6sBO1Za+T

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).

  • Modifies registry class 2 IoCs
  • 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\3a487d3f3cea6d0b055a46c6a2371de2631089400459617c554cbe263e045296_JC.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3192
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" C://windows/Temp/0386-1.dll
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4436
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C rundll32.exe C:\Users\Admin\AppData\Local\omimbd\Woigmc\Jodevuacnm.dll,#1
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3240
        • C:\Windows\system32\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Local\omimbd\Woigmc\Jodevuacnm.dll,#1
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Modifies registry class
          PID:4932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\omimbd\Woigmc\Jodevuacnm.dll

    Filesize

    583KB

    MD5

    0245e02cbb6ffe2716c2aeb7fb8006d0

    SHA1

    59dd3d2477211eb4fcd72b542812a2036fa0e1e8

    SHA256

    5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1

    SHA512

    0c2e863512f2d83429e681cbcdb31bf9c6f0a69611f6d8923198d51d1e49750f4bf441c8ce256fb44a9cb39a6855e70fcbc644739926570214400bd06a683d82

  • C:\Users\Admin\AppData\Local\omimbd\Woigmc\Jodevuacnm.dll

    Filesize

    583KB

    MD5

    0245e02cbb6ffe2716c2aeb7fb8006d0

    SHA1

    59dd3d2477211eb4fcd72b542812a2036fa0e1e8

    SHA256

    5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1

    SHA512

    0c2e863512f2d83429e681cbcdb31bf9c6f0a69611f6d8923198d51d1e49750f4bf441c8ce256fb44a9cb39a6855e70fcbc644739926570214400bd06a683d82

  • C:\Windows\Temp\0386-1.dll

    Filesize

    328KB

    MD5

    37ba0ae11ebb981a1d5289e6ccb628c2

    SHA1

    2071e6f6d7924679f6d8d8ba21e5bcec120889ee

    SHA256

    2406ff05497716404ffcb51135bf85a60ba1b7bbb9fdddfdb6c326daafdbba0e

    SHA512

    3917264637ea88cd5115a1269715095e41c27dc29a75054148a8790267b333f48b77aa8b9990659910bb3368abb85e7e0478bbcb7a17654d0bd787dd321dedd9

  • C:\windows\Temp\0386-1.dll

    Filesize

    328KB

    MD5

    37ba0ae11ebb981a1d5289e6ccb628c2

    SHA1

    2071e6f6d7924679f6d8d8ba21e5bcec120889ee

    SHA256

    2406ff05497716404ffcb51135bf85a60ba1b7bbb9fdddfdb6c326daafdbba0e

    SHA512

    3917264637ea88cd5115a1269715095e41c27dc29a75054148a8790267b333f48b77aa8b9990659910bb3368abb85e7e0478bbcb7a17654d0bd787dd321dedd9

  • memory/4436-4-0x00000000012E0000-0x00000000012ED000-memory.dmp

    Filesize

    52KB

  • memory/4436-8-0x00000000012E0000-0x00000000012ED000-memory.dmp

    Filesize

    52KB

  • memory/4932-12-0x00000228AB7D0000-0x00000228AB81F000-memory.dmp

    Filesize

    316KB

  • memory/4932-13-0x00000228AB990000-0x00000228AB9DC000-memory.dmp

    Filesize

    304KB

  • memory/4932-18-0x00000228AB990000-0x00000228AB9DC000-memory.dmp

    Filesize

    304KB

  • memory/4932-19-0x00000228AB990000-0x00000228AB9DC000-memory.dmp

    Filesize

    304KB

  • memory/4932-20-0x00000228AB7D0000-0x00000228AB81F000-memory.dmp

    Filesize

    316KB

  • memory/4932-22-0x00000228AB990000-0x00000228AB9DC000-memory.dmp

    Filesize

    304KB

  • memory/4932-23-0x00000228AB990000-0x00000228AB9DC000-memory.dmp

    Filesize

    304KB

  • memory/4932-25-0x00000228AB990000-0x00000228AB9DC000-memory.dmp

    Filesize

    304KB