Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    26-07-2021 15:13

General

  • Target

    core/cmd.bat

  • Size

    185B

  • MD5

    53cc0ad8caf01d4c06d01df2a27726a7

  • SHA1

    a4331d3783ce365f2bb5c62ac4cf10ff375158c2

  • SHA256

    76c39b81fd9f933319b5f23167aee5b4fdba73db84f2f72bb4304dd9076ae2e7

  • SHA512

    c4161c60580e9cbbe76a38fb4a463b70955a2223575881d59ce3ee6cc3cb6f2e30727df7fc405334bc4483e4db472c1cdeb6f9742b36279c93cb992423b0688d

Malware Config

Extracted

Family

icedid

rsa_pubkey.plain

Extracted

Family

icedid

Botnet

524571734

C2

gsterangsic.buzz

oscanonamik.club

riderskop.top

iserunifish.club

Attributes
  • auth_var

    6

  • url_path

    /news/

Signatures

  • IcedID, BokBot

    IcedID is a banking trojan capable of stealing credentials.

  • Blocklisted process makes network request 6 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 40 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\core\cmd.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:916
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\core\kind-.tmp,update /i:"license.dat"
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1820
      • C:\Windows\system32\cmd.exe
        cmd.exe /c chcp >&2
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1512
        • C:\Windows\system32\chcp.com
          chcp
          4⤵
            PID:1648
        • C:\Windows\System32\Wbem\WMIC.exe
          WMIC /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get * /Format:List
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1560
        • C:\Windows\system32\ipconfig.exe
          ipconfig /all
          3⤵
          • Gathers network information
          PID:972
        • C:\Windows\system32\systeminfo.exe
          systeminfo
          3⤵
          • Gathers system information
          PID:328
        • C:\Windows\system32\net.exe
          net config workstation
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:876
          • C:\Windows\system32\net1.exe
            C:\Windows\system32\net1 config workstation
            4⤵
              PID:944
          • C:\Windows\system32\nltest.exe
            nltest /domain_trusts
            3⤵
              PID:1872
            • C:\Windows\system32\nltest.exe
              nltest /domain_trusts /all_trusts
              3⤵
                PID:2000
              • C:\Windows\system32\net.exe
                net view /all /domain
                3⤵
                • Discovers systems in the same network
                PID:1344
              • C:\Windows\system32\net.exe
                net view /all
                3⤵
                • Discovers systems in the same network
                PID:1632
              • C:\Windows\system32\net.exe
                net group "Domain Admins" /domain
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:1428
                • C:\Windows\system32\net1.exe
                  C:\Windows\system32\net1 group "Domain Admins" /domain
                  4⤵
                    PID:948

            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

            • \??\PIPE\NETLOGON
              MD5

              d41d8cd98f00b204e9800998ecf8427e

              SHA1

              da39a3ee5e6b4b0d3255bfef95601890afd80709

              SHA256

              e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

              SHA512

              cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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

              26d773a69f6fad3200d49a7aaa77752b

              SHA1

              3970ffe8aefe0c30daaec65b85fb103c0fc0f2a7

              SHA256

              fca6b7fe66ad9973f18f407e83b56dacd04197cbd35efc498a342d73d6a113e5

              SHA512

              0041b52514460dda19dd065fc46393f6fbe248a4c62fce28e0819abd952756996b34fdea286eb7814a7c868a12656a065278932760e61e53f7102b0dba324e4f

            • memory/328-68-0x0000000000000000-mapping.dmp
            • memory/876-69-0x0000000000000000-mapping.dmp
            • memory/944-70-0x0000000000000000-mapping.dmp
            • memory/948-78-0x0000000000000000-mapping.dmp
            • memory/972-67-0x0000000000000000-mapping.dmp
            • memory/1344-74-0x0000000000000000-mapping.dmp
            • memory/1428-77-0x0000000000000000-mapping.dmp
            • memory/1512-64-0x0000000000000000-mapping.dmp
            • memory/1560-66-0x0000000000000000-mapping.dmp
            • memory/1632-76-0x0000000000000000-mapping.dmp
            • memory/1648-65-0x0000000000000000-mapping.dmp
            • memory/1820-60-0x0000000000000000-mapping.dmp
            • memory/1820-63-0x0000000000190000-0x00000000001C7000-memory.dmp
              Filesize

              220KB

            • memory/1820-62-0x0000000001B60000-0x0000000001BB8000-memory.dmp
              Filesize

              352KB

            • memory/1872-71-0x0000000000000000-mapping.dmp
            • memory/2000-72-0x0000000000000000-mapping.dmp