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Analysis

  • max time kernel
    145s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/01/2025, 03:35

General

  • Target

    19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe

  • Size

    675KB

  • MD5

    d3a2936e355fc5b62c309d80aa65e9b4

  • SHA1

    d7bafe72a3a8a9e06901155cdbf020d98f2535d7

  • SHA256

    19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368

  • SHA512

    01946f702c5af9696444a4c5d1db50390a53b2c0d849acb15c6079db32c3d7834492b357554d0daaab233c7e5024e452ecf6262bd23015558c0fc55abd81f116

  • SSDEEP

    12288:BXcTTpuOZhzNA50jBIiIe/S+wi+2n7nw17jIBd5a:BcEsdmGI7eK+5+2nmjI4

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a01d

Decoy

eniorshousing05.shop

rywisevas.biz

4726.pizza

itchen-design-42093.bond

3456.tech

4825.plus

nlinecraps.xyz

itamins-52836.bond

nfluencer-marketing-40442.bond

nline-advertising-58573.bond

rautogroups.net

limbtrip.net

oftware-download-14501.bond

nline-advertising-66733.bond

erity.xyz

xknrksi.icu

x-ist.club

yber-security-26409.bond

oincatch.xyz

onitoring-devices-34077.bond

Signatures

  • Formbook

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

  • Formbook family
  • Formbook payload 3 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 4 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.

  • 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 60 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3500
    • C:\Users\Admin\AppData\Local\Temp\19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe
      "C:\Users\Admin\AppData\Local\Temp\19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.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 FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:5060
      • 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\19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1520
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rBchflGYc.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4316
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rBchflGYc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFC52.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3232
      • 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:4000
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\SysWOW64\rundll32.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:2600
      • 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:1356

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

    39eccf0f1158d2da6710803ad9d5edc0

    SHA1

    54df4c021f4f307f8db0b681b64caaa1fd5a93c7

    SHA256

    6dd0b82cc1097028c96166bc186b9792baa3476e0de2af43bf8ea92c6cb9e910

    SHA512

    3fa3ccbc741022671db8b61faa7943863fdd081aa88492a78c7fe68ee78bd38314939f9bb275fb29bf0bb1e4535e77572c1217a2d348fe448d0a88020e79965a

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_es0abv0d.exi.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpFC52.tmp

    Filesize

    1KB

    MD5

    1922615cf9715386e9b93feb2059f4da

    SHA1

    7305ef7424e5f94ad735afd19d05206715831518

    SHA256

    34f9b012384510cea8e046fcf21f425519e6f1124ad31b914cc2882a872e4b3b

    SHA512

    725419e8aeacfb7f2689e9f616933caa4a4b724138c814dacc7d4bbd4bcaefa8df70dafb1b5eeadb86c211baa26690a0197f48530127934aa1766673684c9805

  • memory/1520-65-0x00000000754A0000-0x00000000754EC000-memory.dmp

    Filesize

    304KB

  • memory/1520-15-0x0000000004AA0000-0x0000000004AD6000-memory.dmp

    Filesize

    216KB

  • memory/1520-89-0x0000000074BF0000-0x00000000753A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1520-35-0x0000000005A20000-0x0000000005D74000-memory.dmp

    Filesize

    3.3MB

  • memory/1520-83-0x0000000007680000-0x0000000007688000-memory.dmp

    Filesize

    32KB

  • memory/1520-80-0x0000000007590000-0x000000000759E000-memory.dmp

    Filesize

    56KB

  • memory/1520-49-0x0000000006040000-0x000000000605E000-memory.dmp

    Filesize

    120KB

  • memory/1520-51-0x0000000006560000-0x00000000065AC000-memory.dmp

    Filesize

    304KB

  • memory/1520-16-0x00000000051B0000-0x00000000057D8000-memory.dmp

    Filesize

    6.2MB

  • memory/1520-17-0x0000000074BF0000-0x00000000753A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1520-18-0x0000000074BF0000-0x00000000753A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1520-19-0x0000000074BF0000-0x00000000753A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2600-92-0x0000000000A40000-0x0000000000A54000-memory.dmp

    Filesize

    80KB

  • memory/2600-94-0x0000000000A00000-0x0000000000A2F000-memory.dmp

    Filesize

    188KB

  • memory/2600-93-0x0000000000A40000-0x0000000000A54000-memory.dmp

    Filesize

    80KB

  • memory/3500-97-0x0000000002FE0000-0x000000000309E000-memory.dmp

    Filesize

    760KB

  • memory/4000-46-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/4000-91-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/4316-76-0x0000000006FE0000-0x0000000006FFA000-memory.dmp

    Filesize

    104KB

  • memory/4316-79-0x00000000071E0000-0x00000000071F1000-memory.dmp

    Filesize

    68KB

  • memory/4316-22-0x0000000004C80000-0x0000000004CE6000-memory.dmp

    Filesize

    408KB

  • memory/4316-21-0x0000000004BE0000-0x0000000004C02000-memory.dmp

    Filesize

    136KB

  • memory/4316-23-0x0000000004DF0000-0x0000000004E56000-memory.dmp

    Filesize

    408KB

  • memory/4316-90-0x0000000074BF0000-0x00000000753A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4316-20-0x0000000074BF0000-0x00000000753A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4316-53-0x00000000754A0000-0x00000000754EC000-memory.dmp

    Filesize

    304KB

  • memory/4316-52-0x0000000006C30000-0x0000000006C62000-memory.dmp

    Filesize

    200KB

  • memory/4316-63-0x0000000006C70000-0x0000000006C8E000-memory.dmp

    Filesize

    120KB

  • memory/4316-64-0x0000000006CA0000-0x0000000006D43000-memory.dmp

    Filesize

    652KB

  • memory/4316-77-0x0000000007050000-0x000000000705A000-memory.dmp

    Filesize

    40KB

  • memory/4316-75-0x0000000007620000-0x0000000007C9A000-memory.dmp

    Filesize

    6.5MB

  • memory/4316-34-0x0000000074BF0000-0x00000000753A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4316-44-0x0000000074BF0000-0x00000000753A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4316-78-0x0000000007260000-0x00000000072F6000-memory.dmp

    Filesize

    600KB

  • memory/4316-82-0x0000000007320000-0x000000000733A000-memory.dmp

    Filesize

    104KB

  • memory/4316-81-0x0000000007220000-0x0000000007234000-memory.dmp

    Filesize

    80KB

  • memory/5060-9-0x0000000005040000-0x00000000050BA000-memory.dmp

    Filesize

    488KB

  • memory/5060-6-0x0000000005B20000-0x0000000005B3E000-memory.dmp

    Filesize

    120KB

  • memory/5060-8-0x0000000074BF0000-0x00000000753A0000-memory.dmp

    Filesize

    7.7MB

  • memory/5060-7-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

    Filesize

    4KB

  • memory/5060-10-0x000000000C980000-0x000000000CA1C000-memory.dmp

    Filesize

    624KB

  • memory/5060-5-0x0000000005630000-0x000000000563A000-memory.dmp

    Filesize

    40KB

  • memory/5060-48-0x0000000074BF0000-0x00000000753A0000-memory.dmp

    Filesize

    7.7MB

  • memory/5060-0-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

    Filesize

    4KB

  • memory/5060-4-0x0000000074BF0000-0x00000000753A0000-memory.dmp

    Filesize

    7.7MB

  • memory/5060-3-0x0000000005650000-0x00000000056E2000-memory.dmp

    Filesize

    584KB

  • memory/5060-2-0x0000000005B60000-0x0000000006104000-memory.dmp

    Filesize

    5.6MB

  • memory/5060-1-0x0000000000B90000-0x0000000000C3E000-memory.dmp

    Filesize

    696KB