Analysis

  • max time kernel
    95s
  • max time network
    138s
  • 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 16:02

General

  • Target

    8041f1d8a71c710538a31bc441cf3ba7678185fb75e6423bbf3733175f9dccf7_JC.vbs

  • Size

    1012KB

  • MD5

    064e59b3e9028c0f3973f41742dedf41

  • SHA1

    bc2ee10a88735cf4f3f664093ef2a1bc922664ce

  • SHA256

    8041f1d8a71c710538a31bc441cf3ba7678185fb75e6423bbf3733175f9dccf7

  • SHA512

    f75152a08fe57b89dbd432eac85a6e157df7f09f63b3b2f31e4b24ea0cc809c98f5401295f88b733a7464f843c12eedb50ff1cfb4958ac3aecb5b097687cba3a

  • SSDEEP

    6144:US/Pe5EE3Lt02BZDB9bmFn1kZGMdGKQ9jMHqCg/gthDDEssR+6NQ7NQKqxzTE6sP:n3mbsQG4HqC6k9jN2x6rxNCwX

Malware Config

Extracted

Family

icedid

Campaign

361893872

Signatures

  • IcedID, BokBot

    IcedID is a banking trojan capable of stealing credentials.

  • Blocklisted process makes network request 1 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\8041f1d8a71c710538a31bc441cf3ba7678185fb75e6423bbf3733175f9dccf7_JC.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1540
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" C://windows/Temp/0022-1.dll
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4976
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C rundll32.exe C:\Users\Admin\AppData\Local\{5F9A09C9-354A-1192-1E64-3ABEBD5661E7}\{69E7EB9B-A9F4-C548-8CC2-9D3C7055F34E}\ehyiacsk.dll,#1
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4952
        • C:\Windows\system32\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Local\{5F9A09C9-354A-1192-1E64-3ABEBD5661E7}\{69E7EB9B-A9F4-C548-8CC2-9D3C7055F34E}\ehyiacsk.dll,#1
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Modifies registry class
          PID:3096

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\{5F9A09C9-354A-1192-1E64-3ABEBD5661E7}\{69E7EB9B-A9F4-C548-8CC2-9D3C7055F34E}\ehyiacsk.dll

    Filesize

    556KB

    MD5

    002c64d47bf8c0878ac8ec2b4740f682

    SHA1

    acc44c89420270083de7d67b025748a4b98071ed

    SHA256

    b4f17e438636e166a94b2cd7c83e1c2b3cf1184122b6204521c1024e293ba8b1

    SHA512

    80f44373c7dc7a08d94b65e1f830e6d922ae9b8fefca5beadaf6a1a8c33622219da404bed11daeb7de03f1b3432782a11cd019ff814b981b9e6885066666affd

  • C:\Users\Admin\AppData\Local\{5F9A09C9-354A-1192-1E64-3ABEBD5661E7}\{69E7EB9B-A9F4-C548-8CC2-9D3C7055F34E}\ehyiacsk.dll

    Filesize

    556KB

    MD5

    002c64d47bf8c0878ac8ec2b4740f682

    SHA1

    acc44c89420270083de7d67b025748a4b98071ed

    SHA256

    b4f17e438636e166a94b2cd7c83e1c2b3cf1184122b6204521c1024e293ba8b1

    SHA512

    80f44373c7dc7a08d94b65e1f830e6d922ae9b8fefca5beadaf6a1a8c33622219da404bed11daeb7de03f1b3432782a11cd019ff814b981b9e6885066666affd

  • C:\Windows\Temp\0022-1.dll

    Filesize

    328KB

    MD5

    518feb430bc216a4a3240ebd246c0a88

    SHA1

    5e692a03d01874e33376e85ab5d51840adbe5ed8

    SHA256

    3366a497c8c9a44557612b96cf49f307b10e4f1857dd622d1ffc1246bf4dae91

    SHA512

    a771b15c5daf9e6abcacf13364ae17a00e648735df3fa47d7dfb50bcded55f7b3cbe03f145cb40e0233a49ef99077166823e5fcea7c7c286bbf7d17bed7cc39a

  • C:\windows\Temp\0022-1.dll

    Filesize

    328KB

    MD5

    518feb430bc216a4a3240ebd246c0a88

    SHA1

    5e692a03d01874e33376e85ab5d51840adbe5ed8

    SHA256

    3366a497c8c9a44557612b96cf49f307b10e4f1857dd622d1ffc1246bf4dae91

    SHA512

    a771b15c5daf9e6abcacf13364ae17a00e648735df3fa47d7dfb50bcded55f7b3cbe03f145cb40e0233a49ef99077166823e5fcea7c7c286bbf7d17bed7cc39a

  • memory/3096-19-0x0000026AA48C0000-0x0000026AA490C000-memory.dmp

    Filesize

    304KB

  • memory/3096-12-0x0000026AA47F0000-0x0000026AA483F000-memory.dmp

    Filesize

    316KB

  • memory/3096-13-0x0000026AA48C0000-0x0000026AA490C000-memory.dmp

    Filesize

    304KB

  • memory/3096-18-0x0000026AA48C0000-0x0000026AA490C000-memory.dmp

    Filesize

    304KB

  • memory/3096-20-0x0000026AA47F0000-0x0000026AA483F000-memory.dmp

    Filesize

    316KB

  • memory/3096-22-0x0000026AA48C0000-0x0000026AA490C000-memory.dmp

    Filesize

    304KB

  • memory/3096-23-0x0000026AA48C0000-0x0000026AA490C000-memory.dmp

    Filesize

    304KB

  • memory/3096-25-0x0000026AA48C0000-0x0000026AA490C000-memory.dmp

    Filesize

    304KB

  • memory/4976-8-0x0000000000970000-0x000000000097D000-memory.dmp

    Filesize

    52KB

  • memory/4976-4-0x0000000000970000-0x000000000097D000-memory.dmp

    Filesize

    52KB