Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2024 01:20

General

  • Target

    BL-INV-PL-ISO.exe

  • Size

    813KB

  • MD5

    98764b1ea06180b4a89c043b0fc11914

  • SHA1

    88cdfcf42452ca0429f31fdd8d7372effe387969

  • SHA256

    97fb0388618e3d977b390696f4ca19e38f0e706d70a40726bab9ed8dcdcd036c

  • SHA512

    3d394a5887178f60c6c92f1790314812fe8d13fb0811baeeb7f526eab7bd9f548f9ae8c171361430743efc06ca476145cb53821258fe1cea8d353cdbf87a0211

  • SSDEEP

    12288:M1ZF8Km3Tsu+N7PB6cDS9YGFuzM4DrGUS6ZbxksCsJSxaV5+prfHha9:Mygu2Qc9GwMArGUZZbxksCs9+hfHha

Score
8/10

Malware Config

Signatures

  • 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.

  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 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 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BL-INV-PL-ISO.exe
    "C:\Users\Admin\AppData\Local\Temp\BL-INV-PL-ISO.exe"
    1⤵
    • 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:232
    • 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\BL-INV-PL-ISO.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4640
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dZxrrOCj.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4216
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dZxrrOCj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE781.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3500
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3696

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

    cb54af10bddd7f832c5cabb500bb79fd

    SHA1

    f449fe9786089393a01842452773a81d635094fa

    SHA256

    438f002502f1453641395d8be9cb3bd4cfc98a07c8fc18d9d08d4231b96fcb0e

    SHA512

    72bedd95b74ccfd312bd10fce2199a709be1aaaa8ed3fe850a865034b005ca816c8ce45d3df21a66b51ac6b85717955264fc6dedf537cf05ef9ac2573f57d7b7

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_su3vlig5.2ck.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpE781.tmp

    Filesize

    1KB

    MD5

    d0390141b1105bb4fef412b91c9e914b

    SHA1

    0c512cbfa2c65f8ba1eb2ca6c905a7361ac47e76

    SHA256

    89aa3ecac5a872b2213d3125979d516633dea811d06a2ffc4d18044c03e1aae4

    SHA512

    ca3b81a8640d2a2dcb72793ac06c9ea40f57f08006d398e69d7901f44de49f3da53ed13963ebb73a659c1e9221c0eedf502540be89a667b457cffa8ffa40df65

  • memory/232-10-0x000000000C170000-0x000000000C20C000-memory.dmp

    Filesize

    624KB

  • memory/232-2-0x0000000005790000-0x0000000005D34000-memory.dmp

    Filesize

    5.6MB

  • memory/232-6-0x00000000067E0000-0x00000000067FE000-memory.dmp

    Filesize

    120KB

  • memory/232-7-0x00000000743DE000-0x00000000743DF000-memory.dmp

    Filesize

    4KB

  • memory/232-8-0x00000000743D0000-0x0000000074B80000-memory.dmp

    Filesize

    7.7MB

  • memory/232-9-0x0000000004B90000-0x0000000004C1E000-memory.dmp

    Filesize

    568KB

  • memory/232-4-0x0000000005180000-0x000000000518A000-memory.dmp

    Filesize

    40KB

  • memory/232-1-0x00000000006B0000-0x0000000000782000-memory.dmp

    Filesize

    840KB

  • memory/232-39-0x00000000743D0000-0x0000000074B80000-memory.dmp

    Filesize

    7.7MB

  • memory/232-3-0x00000000051E0000-0x0000000005272000-memory.dmp

    Filesize

    584KB

  • memory/232-5-0x00000000743D0000-0x0000000074B80000-memory.dmp

    Filesize

    7.7MB

  • memory/232-0-0x00000000743DE000-0x00000000743DF000-memory.dmp

    Filesize

    4KB

  • memory/3696-90-0x0000000000400000-0x0000000000447000-memory.dmp

    Filesize

    284KB

  • memory/3696-91-0x0000000000400000-0x0000000000447000-memory.dmp

    Filesize

    284KB

  • memory/3696-38-0x0000000000400000-0x0000000000447000-memory.dmp

    Filesize

    284KB

  • memory/3696-23-0x0000000000400000-0x0000000000447000-memory.dmp

    Filesize

    284KB

  • memory/4216-76-0x00000000076C0000-0x00000000076CA000-memory.dmp

    Filesize

    40KB

  • memory/4216-24-0x0000000005260000-0x0000000005282000-memory.dmp

    Filesize

    136KB

  • memory/4216-89-0x00000000743D0000-0x0000000074B80000-memory.dmp

    Filesize

    7.7MB

  • memory/4216-80-0x0000000007890000-0x00000000078A4000-memory.dmp

    Filesize

    80KB

  • memory/4216-22-0x00000000743D0000-0x0000000074B80000-memory.dmp

    Filesize

    7.7MB

  • memory/4216-20-0x00000000743D0000-0x0000000074B80000-memory.dmp

    Filesize

    7.7MB

  • memory/4216-37-0x0000000005BE0000-0x0000000005F34000-memory.dmp

    Filesize

    3.3MB

  • memory/4216-77-0x00000000078D0000-0x0000000007966000-memory.dmp

    Filesize

    600KB

  • memory/4216-50-0x0000000006340000-0x000000000638C000-memory.dmp

    Filesize

    304KB

  • memory/4216-63-0x0000000074C60000-0x0000000074CAC000-memory.dmp

    Filesize

    304KB

  • memory/4640-75-0x0000000006F10000-0x0000000006F2A000-memory.dmp

    Filesize

    104KB

  • memory/4640-79-0x0000000007140000-0x000000000714E000-memory.dmp

    Filesize

    56KB

  • memory/4640-51-0x0000000006D90000-0x0000000006DC2000-memory.dmp

    Filesize

    200KB

  • memory/4640-62-0x00000000061B0000-0x00000000061CE000-memory.dmp

    Filesize

    120KB

  • memory/4640-74-0x0000000007550000-0x0000000007BCA000-memory.dmp

    Filesize

    6.5MB

  • memory/4640-72-0x0000000006DD0000-0x0000000006E73000-memory.dmp

    Filesize

    652KB

  • memory/4640-19-0x00000000743D0000-0x0000000074B80000-memory.dmp

    Filesize

    7.7MB

  • memory/4640-49-0x0000000005BC0000-0x0000000005BDE000-memory.dmp

    Filesize

    120KB

  • memory/4640-78-0x0000000007110000-0x0000000007121000-memory.dmp

    Filesize

    68KB

  • memory/4640-52-0x0000000074C60000-0x0000000074CAC000-memory.dmp

    Filesize

    304KB

  • memory/4640-25-0x0000000005460000-0x00000000054C6000-memory.dmp

    Filesize

    408KB

  • memory/4640-81-0x0000000007250000-0x000000000726A000-memory.dmp

    Filesize

    104KB

  • memory/4640-82-0x0000000007230000-0x0000000007238000-memory.dmp

    Filesize

    32KB

  • memory/4640-85-0x00000000743D0000-0x0000000074B80000-memory.dmp

    Filesize

    7.7MB

  • memory/4640-18-0x00000000743D0000-0x0000000074B80000-memory.dmp

    Filesize

    7.7MB

  • memory/4640-17-0x0000000004DC0000-0x00000000053E8000-memory.dmp

    Filesize

    6.2MB

  • memory/4640-26-0x00000000054D0000-0x0000000005536000-memory.dmp

    Filesize

    408KB

  • memory/4640-16-0x00000000743D0000-0x0000000074B80000-memory.dmp

    Filesize

    7.7MB

  • memory/4640-15-0x0000000000E30000-0x0000000000E66000-memory.dmp

    Filesize

    216KB