Analysis

  • max time kernel
    137s
  • max time network
    147s
  • 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 15:43

General

  • Target

    5e3bb62b44636f502e387d4c00bd5a7bc1d040332028238ccd812f73e6d859ca_JC.dll

  • Size

    328KB

  • MD5

    bb7da19e0399724519724d44d7c331c7

  • SHA1

    b10fb1c24b1d4187e24ee1be76b6247b862b214c

  • SHA256

    5e3bb62b44636f502e387d4c00bd5a7bc1d040332028238ccd812f73e6d859ca

  • SHA512

    b68e3f3fec30cac41a11a939e0a5e9db2e45574cb31201fb9dd92657cd03edc060df4f7026ce2f1d9617b48ac88769dcb67958aea040684e661be82d0f8f3fd9

  • SSDEEP

    6144:yN/F41OWGRkFtwxW6spj/JbUaeboh6EReEUHFmUC3qS7e/g1j:y5FCOWGRayW6sAowXFmUy4U

Malware Config

Extracted

Family

icedid

Campaign

361893872

Signatures

  • IcedID, BokBot

    IcedID is a banking trojan capable of stealing credentials.

  • Blocklisted process makes network request 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 4 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\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\5e3bb62b44636f502e387d4c00bd5a7bc1d040332028238ccd812f73e6d859ca_JC.dll
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:924
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C rundll32.exe C:\Users\Admin\AppData\Local\Admin\{158344D4-4711-DB0F-8C92-028C42F35172}\Zadoxuacut.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4228
      • C:\Windows\system32\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Admin\{158344D4-4711-DB0F-8C92-028C42F35172}\Zadoxuacut.dll,#1
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Modifies registry class
        PID:1976

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Admin\{158344D4-4711-DB0F-8C92-028C42F35172}\Zadoxuacut.dll

    Filesize

    583KB

    MD5

    0245e02cbb6ffe2716c2aeb7fb8006d0

    SHA1

    59dd3d2477211eb4fcd72b542812a2036fa0e1e8

    SHA256

    5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1

    SHA512

    0c2e863512f2d83429e681cbcdb31bf9c6f0a69611f6d8923198d51d1e49750f4bf441c8ce256fb44a9cb39a6855e70fcbc644739926570214400bd06a683d82

  • C:\Users\Admin\AppData\Local\Admin\{158344D4-4711-DB0F-8C92-028C42F35172}\Zadoxuacut.dll

    Filesize

    583KB

    MD5

    0245e02cbb6ffe2716c2aeb7fb8006d0

    SHA1

    59dd3d2477211eb4fcd72b542812a2036fa0e1e8

    SHA256

    5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1

    SHA512

    0c2e863512f2d83429e681cbcdb31bf9c6f0a69611f6d8923198d51d1e49750f4bf441c8ce256fb44a9cb39a6855e70fcbc644739926570214400bd06a683d82

  • memory/924-1-0x00000000027C0000-0x00000000027CD000-memory.dmp

    Filesize

    52KB

  • memory/924-5-0x00000000027C0000-0x00000000027CD000-memory.dmp

    Filesize

    52KB

  • memory/1976-9-0x0000017D0DFE0000-0x0000017D0E02F000-memory.dmp

    Filesize

    316KB

  • memory/1976-10-0x0000017D0F960000-0x0000017D0F9AC000-memory.dmp

    Filesize

    304KB

  • memory/1976-15-0x0000017D0F960000-0x0000017D0F9AC000-memory.dmp

    Filesize

    304KB

  • memory/1976-16-0x0000017D0F960000-0x0000017D0F9AC000-memory.dmp

    Filesize

    304KB

  • memory/1976-17-0x0000017D0DFE0000-0x0000017D0E02F000-memory.dmp

    Filesize

    316KB

  • memory/1976-19-0x0000017D0F960000-0x0000017D0F9AC000-memory.dmp

    Filesize

    304KB

  • memory/1976-20-0x0000017D0F960000-0x0000017D0F9AC000-memory.dmp

    Filesize

    304KB

  • memory/1976-22-0x0000017D0F960000-0x0000017D0F9AC000-memory.dmp

    Filesize

    304KB