Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-08-2024 01:12

General

  • Target

    6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe

  • Size

    636KB

  • MD5

    1e07f9e0e115b0d56b8c051c9e38563e

  • SHA1

    e5a7b7eb96343d506ab16b17868d281cc0d9188b

  • SHA256

    6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83

  • SHA512

    26a828670c0b8a8acc14c0000d40b4e1bf048254b690d257a8198acf33666b6e81886fef6914fb70cd0dd2a0cf0293fbf24124fdbc3276a9a0d073f0837df2bd

  • SSDEEP

    12288:NRzAiSeURm5WoixfKTYZAOqjygs3+ER4X0VgdOeHH51zo1sSzKihJgAjkR:NRzAOUemxSUZAyZDFiz611gA2

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

md02

Decoy

onsen1508.com

partymaxclubmen36.click

texasshelvingwarehouse.com

tiantiying.com

taxcredits-pr.com

33mgbet.com

equipoleiremnacional.com

andrewghita.com

zbbnp.xyz

englandbreaking.com

a1b5v.xyz

vizamag.com

h0lg3.rest

ux-design-courses-17184.bond

of84.top

qqkartel88v1.com

avalynkate.com

cpuk-finance.com

yeslabs.xyz

webuyandsellpa.com

Signatures

  • Formbook

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

  • Formbook payload 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 2 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 63 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3508
    • C:\Users\Admin\AppData\Local\Temp\6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe
      "C:\Users\Admin\AppData\Local\Temp\6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1556
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\6f4ef07076ebad36eea92eeaeb42b91bdf910d4e93bc0bf6b4fc40e6d191ed83.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1568
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZtrukSbkRD.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:680
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZtrukSbkRD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBAE4.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3940
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2408
    • C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\SysWOW64\svchost.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1268
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4072

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    ac5d4fbc3cd4f8cfc28dc4e23621b65f

    SHA1

    cd879486eb7bc5ce8ae154e32ae88e7f275c67dc

    SHA256

    afe8ed48b7d7a99f6746e647c220e0beb58bcaa907c3b604e9872a97e593c8d1

    SHA512

    a8dcf35d0ae4d765b4e7680072e2976fa0ef7d05106435738a4ba7c5fae9eb02dd312624d00036e0749bcabac30008afea78ca51d47e68e938fad9bfb4b40902

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zrhrkj3v.clk.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpBAE4.tmp

    Filesize

    1KB

    MD5

    c61799595193945de28920a71b8b9f3b

    SHA1

    02a4a2a6049971978bed6909747c5613fb5250a0

    SHA256

    e49e601b3a0423104eaf0f18b10f118e617df909aa347a40c2417bbacd2ed09e

    SHA512

    6a444a7d0236a166feb52f20062e3af58f4b32fdd77b6cc79576a3d6883665a907d5c48a0077325eaac5285a585885bd68b10dc67634e3695ef1ac84a64a6957

  • memory/680-49-0x0000000007930000-0x0000000007962000-memory.dmp

    Filesize

    200KB

  • memory/680-50-0x0000000075950000-0x000000007599C000-memory.dmp

    Filesize

    304KB

  • memory/680-61-0x0000000007970000-0x0000000007A13000-memory.dmp

    Filesize

    652KB

  • memory/680-60-0x0000000006F10000-0x0000000006F2E000-memory.dmp

    Filesize

    120KB

  • memory/680-72-0x00000000082A0000-0x000000000891A000-memory.dmp

    Filesize

    6.5MB

  • memory/680-76-0x0000000007E50000-0x0000000007E61000-memory.dmp

    Filesize

    68KB

  • memory/680-78-0x0000000007E90000-0x0000000007EA4000-memory.dmp

    Filesize

    80KB

  • memory/1268-90-0x0000000001230000-0x000000000125F000-memory.dmp

    Filesize

    188KB

  • memory/1268-88-0x0000000000F10000-0x0000000000F1E000-memory.dmp

    Filesize

    56KB

  • memory/1268-89-0x0000000000F10000-0x0000000000F1E000-memory.dmp

    Filesize

    56KB

  • memory/1556-7-0x0000000005750000-0x000000000575E000-memory.dmp

    Filesize

    56KB

  • memory/1556-10-0x00000000076B0000-0x000000000774C000-memory.dmp

    Filesize

    624KB

  • memory/1556-9-0x0000000008C00000-0x0000000008C76000-memory.dmp

    Filesize

    472KB

  • memory/1556-8-0x0000000005760000-0x0000000005776000-memory.dmp

    Filesize

    88KB

  • memory/1556-0-0x00000000750CE000-0x00000000750CF000-memory.dmp

    Filesize

    4KB

  • memory/1556-6-0x0000000005710000-0x000000000572A000-memory.dmp

    Filesize

    104KB

  • memory/1556-5-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/1556-4-0x00000000051C0000-0x00000000051CA000-memory.dmp

    Filesize

    40KB

  • memory/1556-3-0x00000000050F0000-0x0000000005182000-memory.dmp

    Filesize

    584KB

  • memory/1556-36-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/1556-2-0x00000000057D0000-0x0000000005D74000-memory.dmp

    Filesize

    5.6MB

  • memory/1556-1-0x0000000000680000-0x0000000000720000-memory.dmp

    Filesize

    640KB

  • memory/1568-15-0x00000000021B0000-0x00000000021E6000-memory.dmp

    Filesize

    216KB

  • memory/1568-20-0x0000000004B80000-0x0000000004BE6000-memory.dmp

    Filesize

    408KB

  • memory/1568-62-0x0000000075950000-0x000000007599C000-memory.dmp

    Filesize

    304KB

  • memory/1568-47-0x0000000005AB0000-0x0000000005ACE000-memory.dmp

    Filesize

    120KB

  • memory/1568-17-0x0000000004C60000-0x0000000005288000-memory.dmp

    Filesize

    6.2MB

  • memory/1568-23-0x00000000053D0000-0x0000000005724000-memory.dmp

    Filesize

    3.3MB

  • memory/1568-73-0x0000000006DE0000-0x0000000006DFA000-memory.dmp

    Filesize

    104KB

  • memory/1568-74-0x0000000006E50000-0x0000000006E5A000-memory.dmp

    Filesize

    40KB

  • memory/1568-75-0x0000000007060000-0x00000000070F6000-memory.dmp

    Filesize

    600KB

  • memory/1568-22-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/1568-77-0x0000000007010000-0x000000000701E000-memory.dmp

    Filesize

    56KB

  • memory/1568-48-0x0000000006000000-0x000000000604C000-memory.dmp

    Filesize

    304KB

  • memory/1568-79-0x0000000007120000-0x000000000713A000-memory.dmp

    Filesize

    104KB

  • memory/1568-80-0x0000000007100000-0x0000000007108000-memory.dmp

    Filesize

    32KB

  • memory/1568-21-0x00000000058C0000-0x0000000005926000-memory.dmp

    Filesize

    408KB

  • memory/1568-19-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/1568-87-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/1568-18-0x0000000004AE0000-0x0000000004B02000-memory.dmp

    Filesize

    136KB

  • memory/1568-16-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/2408-34-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/3508-93-0x0000000009120000-0x00000000091CB000-memory.dmp

    Filesize

    684KB