Analysis

  • max time kernel
    149s
  • max time network
    130s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    03-06-2021 14:52

General

  • Target

    core/cmd.bat

  • Size

    188B

  • MD5

    2e2b47ce11618a88fdf41c2215ac0df6

  • SHA1

    acb49181de3711e7cb0136033b53f7d0c628614a

  • SHA256

    206adcd9c6879f5033e7395c523444430c90532675ac149b3434c84115ea95c3

  • SHA512

    e8aef9395943d5e21904df89c7d44d4da6fe686ea31c3f61851efd5cd476bb524a29ccf47e884ffd4305ebc032df1057e9f7a786901a5f7f58f79e5fefcba4e5

Malware Config

Extracted

Family

icedid

Botnet

987543880

C2

fimlubindu.top

vindurualeg.top

bigcostarikas.top

extrimefigim.top

Attributes
  • url_path

    /news/

Extracted

Family

icedid

rsa_pubkey.plain

Signatures

  • IcedID, BokBot

    IcedID is a banking trojan capable of stealing credentials.

  • Blocklisted process makes network request 5 IoCs
  • Downloads MZ/PE file
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates physical storage devices 1 TTPs

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

  • Discovers systems in the same network 1 TTPs 2 IoCs
  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Gathers system information 1 TTPs 1 IoCs

    Runs systeminfo.exe.

  • Modifies registry class 2 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\core\cmd.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3916
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\core\play-x64.dat,update /i:"license.dat"
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1440
      • C:\Windows\system32\cmd.exe
        cmd.exe /c chcp >&2
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1648
        • C:\Windows\system32\chcp.com
          chcp
          4⤵
            PID:1668
        • C:\Windows\System32\Wbem\WMIC.exe
          WMIC /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get * /Format:List
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1808
        • C:\Windows\system32\ipconfig.exe
          ipconfig /all
          3⤵
          • Gathers network information
          PID:2820
        • C:\Windows\system32\systeminfo.exe
          systeminfo
          3⤵
          • Gathers system information
          PID:2744
        • C:\Windows\system32\net.exe
          net config workstation
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2732
          • C:\Windows\system32\net1.exe
            C:\Windows\system32\net1 config workstation
            4⤵
              PID:2400
          • C:\Windows\system32\nltest.exe
            nltest /domain_trusts
            3⤵
              PID:3984
            • C:\Windows\system32\nltest.exe
              nltest /domain_trusts /all_trusts
              3⤵
                PID:3160
              • C:\Windows\system32\net.exe
                net view /all /domain
                3⤵
                • Discovers systems in the same network
                PID:1352
              • C:\Windows\system32\net.exe
                net view /all
                3⤵
                • Discovers systems in the same network
                PID:1856
              • C:\Windows\system32\net.exe
                net group "Domain Admins" /domain
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:2712
                • C:\Windows\system32\net1.exe
                  C:\Windows\system32\net1 group "Domain Admins" /domain
                  4⤵
                    PID:2728

            Network

            MITRE ATT&CK Matrix ATT&CK v6

            Execution

            Command-Line Interface

            1
            T1059

            Credential Access

            Credentials in Files

            1
            T1081

            Discovery

            System Information Discovery

            3
            T1082

            Remote System Discovery

            1
            T1018

            Collection

            Data from Local System

            1
            T1005

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Roaming\license.dat
              MD5

              3c6263a9c4117c78d26fc4380af014f2

              SHA1

              eca410dd57af16227220e08067c1895c258eb92b

              SHA256

              29d2a8344bd725d7a8b43cc77a82b3db57a5226ce792ac4b37e7f73ec468510e

              SHA512

              0969cde0d327b9f4b2be708437aea2a1d7a9ba9482125e143ce25c6a2f07e8ee1fa9b23e12f4e88157305f59209e2a8b3a2b2e7eb143b114e3f0c95ba57a2e1a

            • \Users\Admin\AppData\Local\Temp\sqlite64.dll
              MD5

              26d773a69f6fad3200d49a7aaa77752b

              SHA1

              3970ffe8aefe0c30daaec65b85fb103c0fc0f2a7

              SHA256

              fca6b7fe66ad9973f18f407e83b56dacd04197cbd35efc498a342d73d6a113e5

              SHA512

              0041b52514460dda19dd065fc46393f6fbe248a4c62fce28e0819abd952756996b34fdea286eb7814a7c868a12656a065278932760e61e53f7102b0dba324e4f

            • memory/1352-129-0x0000000000000000-mapping.dmp
            • memory/1440-118-0x000001EF87770000-0x000001EF877C8000-memory.dmp
              Filesize

              352KB

            • memory/1440-114-0x0000000000000000-mapping.dmp
            • memory/1440-115-0x000001EF85D70000-0x000001EF85D75000-memory.dmp
              Filesize

              20KB

            • memory/1648-119-0x0000000000000000-mapping.dmp
            • memory/1668-120-0x0000000000000000-mapping.dmp
            • memory/1808-121-0x0000000000000000-mapping.dmp
            • memory/1856-130-0x0000000000000000-mapping.dmp
            • memory/2400-126-0x0000000000000000-mapping.dmp
            • memory/2712-131-0x0000000000000000-mapping.dmp
            • memory/2728-132-0x0000000000000000-mapping.dmp
            • memory/2732-125-0x0000000000000000-mapping.dmp
            • memory/2744-123-0x0000000000000000-mapping.dmp
            • memory/2820-122-0x0000000000000000-mapping.dmp
            • memory/3160-128-0x0000000000000000-mapping.dmp
            • memory/3984-127-0x0000000000000000-mapping.dmp