Analysis

  • max time kernel
    158s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 11:39

General

  • Target

    STATEMENT OF ACCOUNTS.exe

  • Size

    464KB

  • MD5

    bbb834f13790a853aafd0d0adab527f4

  • SHA1

    8b20c41d9c082642d9d7c858105d224b81f6fdc2

  • SHA256

    c1b2a36d08dfb9bc18d53112299e6cef0c5057885918a4485b8f1b87a20d709a

  • SHA512

    68303db868b5bf9897e636caf946c5dde5cf28e0590649e1f8e4b0e998eb7c1ea599b87c95f6f7361effcf6fb04737168ed15d9aad95e77acae3dfb619cfe87b

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

nfl

Decoy

giacamp.net

qb51.party

mashalevine.com

russiasexdating.com

jitangyy.com

morockin.com

karoreiss.com

tractionhero.today

bienvenueenprovence.net

stormharbour.info

61999h.com

tryandcert.com

bestwaytosuccess.com

laobaochang.com

otomatiktente.com

rehpb.info

ivpdqb.info

dc-wv-wv-ie-q.com

goingmagic.com

cimachain.com

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

  • Formbook Payload 3 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 58 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3292
    • C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNTS.exe
      "C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNTS.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2132
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ObKQGjkvrU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF419.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:3248
      • C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNTS.exe
        "{path}"
        3⤵
          PID:3864
        • C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNTS.exe
          "{path}"
          3⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:392
      • C:\Windows\SysWOW64\autofmt.exe
        "C:\Windows\SysWOW64\autofmt.exe"
        2⤵
          PID:2312
        • C:\Windows\SysWOW64\wlanext.exe
          "C:\Windows\SysWOW64\wlanext.exe"
          2⤵
          • Adds policy Run key to start application
          • Suspicious use of SetThreadContext
          • Drops file in Program Files directory
          • Modifies Internet Explorer settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2492
          • C:\Windows\SysWOW64\cmd.exe
            /c del "C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNTS.exe"
            3⤵
              PID:3148
            • C:\Windows\SysWOW64\cmd.exe
              /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
              3⤵
                PID:4324

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Execution

          Scheduled Task

          1
          T1053

          Persistence

          Registry Run Keys / Startup Folder

          1
          T1060

          Scheduled Task

          1
          T1053

          Privilege Escalation

          Scheduled Task

          1
          T1053

          Defense Evasion

          Modify Registry

          2
          T1112

          Credential Access

          Credentials in Files

          1
          T1081

          Discovery

          Query Registry

          1
          T1012

          System Information Discovery

          2
          T1082

          Collection

          Data from Local System

          1
          T1005

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\DB1
            Filesize

            40KB

            MD5

            b608d407fc15adea97c26936bc6f03f6

            SHA1

            953e7420801c76393902c0d6bb56148947e41571

            SHA256

            b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

            SHA512

            cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

          • C:\Users\Admin\AppData\Local\Temp\tmpF419.tmp
            Filesize

            1KB

            MD5

            6cab6219d67614065f7177a9d844a726

            SHA1

            563fffc61b19325f0f158e2cbb77452b9bc42aae

            SHA256

            c9893b5858e8e97a555487db71647b5d90a32626e9f6cb1ff2f0cb47755aadd2

            SHA512

            cbbdd5e1337dcefdfe4adbb12ed0e874d649fa448d94beb4d6d456a48b93dd83665d3b8ca48b25b368e38688778e88ca5c0d72c5808c2c9159681991662b242d

          • memory/392-143-0x0000000000C90000-0x0000000000CA4000-memory.dmp
            Filesize

            80KB

          • memory/392-138-0x0000000000000000-mapping.dmp
          • memory/392-142-0x0000000001150000-0x000000000149A000-memory.dmp
            Filesize

            3.3MB

          • memory/392-141-0x0000000000400000-0x000000000042A000-memory.dmp
            Filesize

            168KB

          • memory/392-139-0x0000000000400000-0x000000000042A000-memory.dmp
            Filesize

            168KB

          • memory/2132-131-0x0000000005C60000-0x0000000006204000-memory.dmp
            Filesize

            5.6MB

          • memory/2132-133-0x0000000005740000-0x000000000574A000-memory.dmp
            Filesize

            40KB

          • memory/2132-132-0x0000000005750000-0x00000000057E2000-memory.dmp
            Filesize

            584KB

          • memory/2132-134-0x000000000A2C0000-0x000000000A35C000-memory.dmp
            Filesize

            624KB

          • memory/2132-130-0x00000000008D0000-0x000000000094C000-memory.dmp
            Filesize

            496KB

          • memory/2492-150-0x0000000001690000-0x0000000001723000-memory.dmp
            Filesize

            588KB

          • memory/2492-148-0x0000000000F50000-0x0000000000F7A000-memory.dmp
            Filesize

            168KB

          • memory/2492-149-0x00000000018E0000-0x0000000001C2A000-memory.dmp
            Filesize

            3.3MB

          • memory/2492-145-0x0000000000000000-mapping.dmp
          • memory/2492-147-0x00000000005E0000-0x00000000005F7000-memory.dmp
            Filesize

            92KB

          • memory/3148-146-0x0000000000000000-mapping.dmp
          • memory/3248-135-0x0000000000000000-mapping.dmp
          • memory/3292-144-0x0000000008D10000-0x0000000008EA0000-memory.dmp
            Filesize

            1.6MB

          • memory/3292-151-0x0000000008EA0000-0x0000000008FA2000-memory.dmp
            Filesize

            1.0MB

          • memory/3864-137-0x0000000000000000-mapping.dmp
          • memory/4324-152-0x0000000000000000-mapping.dmp