Analysis

  • max time kernel
    142s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 14:51

General

  • Target

    60771c2c39b8d81db81e781a1f497f1a402f9f95843471f6bf1aaf8d5f1771d9.exe

  • Size

    1.0MB

  • MD5

    0f05c6fa209e5a03cfffb97831a2a041

  • SHA1

    6df1cdab62e9b0fd902705664d2ad6d8e219d4c6

  • SHA256

    60771c2c39b8d81db81e781a1f497f1a402f9f95843471f6bf1aaf8d5f1771d9

  • SHA512

    01a60f285f33608bf12f59e53cf12e9267ebca213046ab7f0a61b75bc5650d51858d7ea0335c7ee3130b591ceecba5e1e62eceae9de339f29f02cbbb38b4b973

  • SSDEEP

    12288:b4i8LkpEaLO67JUMtVcNA4QfCCUGYOVzb7hjOEHzfApWcFTWzDpmobjwkR:DjEZ67PVOAHCJGBb79Hz5cFqHj3

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\60771c2c39b8d81db81e781a1f497f1a402f9f95843471f6bf1aaf8d5f1771d9.exe
    "C:\Users\Admin\AppData\Local\Temp\60771c2c39b8d81db81e781a1f497f1a402f9f95843471f6bf1aaf8d5f1771d9.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4744
    • 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\60771c2c39b8d81db81e781a1f497f1a402f9f95843471f6bf1aaf8d5f1771d9.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3680
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SZouihACiUzel.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3408
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SZouihACiUzel" /XML "C:\Users\Admin\AppData\Local\Temp\tmp79F3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4052
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:5112
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1860

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Command and Scripting Interpreter

    1
    T1059

    PowerShell

    1
    T1059.001

    Scheduled Task/Job

    1
    T1053

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Scheduled Task/Job

    1
    T1053

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Scheduled Task/Job

    1
    T1053

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      2KB

      MD5

      3d086a433708053f9bf9523e1d87a4e8

      SHA1

      b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

      SHA256

      6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

      SHA512

      931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

      18KB

      MD5

      08c833ee466dc02b11c2bf33612b514a

      SHA1

      4902abc719f64de0ba204159d4f69d91c147c31f

      SHA256

      e26636cf9a56dcffe7cfd52d4a9689d8f91c3639ed789e79b7790ed5511c6b60

      SHA512

      c54f57d19cc05cc32d52b94afc6a3da13f4cb52166783d75c5ae64465bcfc61564c54839e327723d8d15d4d96e5ca3186289e9e70544611ed31610fd4e7bd37f

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tai4jkrc.wev.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp79F3.tmp
      Filesize

      1KB

      MD5

      1f735e75e3431f19889956b6824cf4d1

      SHA1

      dcd52e9e73083e32f8fb774dbb48b7a3bf589ac8

      SHA256

      e567bdce9a9f27d9e11e13186c2474a414d26b4fc786a2230d082b038146b104

      SHA512

      523c474df565fdbccedd52b841012f272ba6a56d2a1db4c505c583517d390fe0489dabbcfa8ff1559ea5c059b6fd89fe3982d412fa7a5680dd712c647bdd7976

    • memory/1860-81-0x0000000005E10000-0x0000000005E60000-memory.dmp
      Filesize

      320KB

    • memory/1860-26-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/3408-83-0x00000000076C0000-0x00000000076C8000-memory.dmp
      Filesize

      32KB

    • memory/3408-78-0x00000000075A0000-0x00000000075B1000-memory.dmp
      Filesize

      68KB

    • memory/3408-74-0x00000000079E0000-0x000000000805A000-memory.dmp
      Filesize

      6.5MB

    • memory/3408-75-0x00000000073A0000-0x00000000073BA000-memory.dmp
      Filesize

      104KB

    • memory/3408-62-0x0000000074EB0000-0x0000000074EFC000-memory.dmp
      Filesize

      304KB

    • memory/3408-82-0x00000000076E0000-0x00000000076FA000-memory.dmp
      Filesize

      104KB

    • memory/3408-20-0x0000000074650000-0x0000000074E00000-memory.dmp
      Filesize

      7.7MB

    • memory/3408-22-0x0000000074650000-0x0000000074E00000-memory.dmp
      Filesize

      7.7MB

    • memory/3408-18-0x0000000074650000-0x0000000074E00000-memory.dmp
      Filesize

      7.7MB

    • memory/3408-89-0x0000000074650000-0x0000000074E00000-memory.dmp
      Filesize

      7.7MB

    • memory/3680-15-0x0000000004CD0000-0x00000000052F8000-memory.dmp
      Filesize

      6.2MB

    • memory/3680-79-0x0000000007110000-0x000000000711E000-memory.dmp
      Filesize

      56KB

    • memory/3680-17-0x0000000074650000-0x0000000074E00000-memory.dmp
      Filesize

      7.7MB

    • memory/3680-25-0x0000000005540000-0x00000000055A6000-memory.dmp
      Filesize

      408KB

    • memory/3680-16-0x0000000074650000-0x0000000074E00000-memory.dmp
      Filesize

      7.7MB

    • memory/3680-24-0x00000000054D0000-0x0000000005536000-memory.dmp
      Filesize

      408KB

    • memory/3680-37-0x00000000055B0000-0x0000000005904000-memory.dmp
      Filesize

      3.3MB

    • memory/3680-90-0x0000000074650000-0x0000000074E00000-memory.dmp
      Filesize

      7.7MB

    • memory/3680-80-0x0000000007120000-0x0000000007134000-memory.dmp
      Filesize

      80KB

    • memory/3680-23-0x00000000053B0000-0x00000000053D2000-memory.dmp
      Filesize

      136KB

    • memory/3680-48-0x0000000005BB0000-0x0000000005BCE000-memory.dmp
      Filesize

      120KB

    • memory/3680-49-0x0000000006130000-0x000000000617C000-memory.dmp
      Filesize

      304KB

    • memory/3680-61-0x00000000061F0000-0x000000000620E000-memory.dmp
      Filesize

      120KB

    • memory/3680-14-0x00000000022A0000-0x00000000022D6000-memory.dmp
      Filesize

      216KB

    • memory/3680-51-0x0000000074EB0000-0x0000000074EFC000-memory.dmp
      Filesize

      304KB

    • memory/3680-72-0x0000000006DB0000-0x0000000006E53000-memory.dmp
      Filesize

      652KB

    • memory/3680-50-0x0000000006180000-0x00000000061B2000-memory.dmp
      Filesize

      200KB

    • memory/3680-21-0x0000000074650000-0x0000000074E00000-memory.dmp
      Filesize

      7.7MB

    • memory/3680-77-0x0000000007160000-0x00000000071F6000-memory.dmp
      Filesize

      600KB

    • memory/3680-76-0x0000000006F50000-0x0000000006F5A000-memory.dmp
      Filesize

      40KB

    • memory/4744-8-0x0000000006300000-0x0000000006382000-memory.dmp
      Filesize

      520KB

    • memory/4744-7-0x0000000005E50000-0x0000000005E60000-memory.dmp
      Filesize

      64KB

    • memory/4744-9-0x0000000008940000-0x00000000089DC000-memory.dmp
      Filesize

      624KB

    • memory/4744-47-0x0000000074650000-0x0000000074E00000-memory.dmp
      Filesize

      7.7MB

    • memory/4744-6-0x00000000062E0000-0x00000000062FA000-memory.dmp
      Filesize

      104KB

    • memory/4744-5-0x0000000074650000-0x0000000074E00000-memory.dmp
      Filesize

      7.7MB

    • memory/4744-4-0x0000000004E20000-0x0000000004E2A000-memory.dmp
      Filesize

      40KB

    • memory/4744-3-0x0000000004C90000-0x0000000004D22000-memory.dmp
      Filesize

      584KB

    • memory/4744-2-0x00000000051A0000-0x0000000005744000-memory.dmp
      Filesize

      5.6MB

    • memory/4744-1-0x0000000000180000-0x0000000000286000-memory.dmp
      Filesize

      1.0MB

    • memory/4744-0-0x000000007465E000-0x000000007465F000-memory.dmp
      Filesize

      4KB