Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2023 08:54

General

  • Target

    required and measured value.exe

  • Size

    1008KB

  • MD5

    3521aff033bea60a6e8869378b9d068c

  • SHA1

    9d84d60857b499e6c6c13d684e67f11f6d8ca31a

  • SHA256

    502d7ec69173cc68e242caf59956a90e519dad247b118c60394be96c9474f2d3

  • SHA512

    98f3c653b2a763ffa72aa0873f760e06221428066a2f8dc9fcf4c5ecc620684acbf572518057b6c9eac952587d14f033bc9648531cfb0e97f68be86588310e8b

  • SSDEEP

    24576:Bqas+pJyCkF0ODvYHkAduLZgBGROSYOmT7Lmte9:wyJyCkF9VAd4ZgBG4SYOy7

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

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

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

  • Program crash 1 IoCs
  • 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\required and measured value.exe
    "C:\Users\Admin\AppData\Local\Temp\required and measured value.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2784
    • 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\required and measured value.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3828
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kVDWrSDRqNaAK.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1232
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kVDWrSDRqNaAK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE399.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3924
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3540
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3540 -s 1420
        3⤵
        • Program crash
        PID:4776
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3540 -ip 3540
    1⤵
      PID:1556

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    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

      078c2aaf04255c288d5589771e860e1d

      SHA1

      5e9c12ee0cedefb64919b02a731809df8525a52f

      SHA256

      488491ff8dc42a2cefd343a9f0a9017db1414c846ea56821a389cde331746f2c

      SHA512

      4527b35562be38ff1254ee892791f6e59dc3bc9538810aaf228a134407cfa2012dec600043422a2f1021e376488262dde2c16c7856e429a9fec9e6778e5a544d

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_u2zfym41.l3b.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpE399.tmp

      Filesize

      1KB

      MD5

      12442fc51650f5a0d78bbcd61bca6afc

      SHA1

      c5c7348191f40ad5f09eeed47b21f46b4fc1492f

      SHA256

      07949050a1e899691b851e2f91b800a2bb849654cb4b7ba22b00a54c67d0af44

      SHA512

      5caddfe074304b24a8efc7e759cd93e2622a9eb586eb1259620fb237b5fb1187559ced7d4bbb02ad2431d3510eda0a503bc265d6b9d43c640e084ca5e4ae621f

    • memory/1232-55-0x000000007F190000-0x000000007F1A0000-memory.dmp

      Filesize

      64KB

    • memory/1232-17-0x00000000051D0000-0x0000000005206000-memory.dmp

      Filesize

      216KB

    • memory/1232-81-0x0000000007BB0000-0x0000000007BBA000-memory.dmp

      Filesize

      40KB

    • memory/1232-79-0x00000000081A0000-0x000000000881A000-memory.dmp

      Filesize

      6.5MB

    • memory/1232-69-0x0000000007870000-0x0000000007913000-memory.dmp

      Filesize

      652KB

    • memory/1232-67-0x0000000006DC0000-0x0000000006DDE000-memory.dmp

      Filesize

      120KB

    • memory/1232-57-0x000000006F980000-0x000000006F9CC000-memory.dmp

      Filesize

      304KB

    • memory/1232-56-0x0000000007830000-0x0000000007862000-memory.dmp

      Filesize

      200KB

    • memory/1232-87-0x0000000007E60000-0x0000000007E68000-memory.dmp

      Filesize

      32KB

    • memory/1232-83-0x0000000007D40000-0x0000000007D51000-memory.dmp

      Filesize

      68KB

    • memory/1232-54-0x0000000005300000-0x0000000005310000-memory.dmp

      Filesize

      64KB

    • memory/1232-49-0x0000000006830000-0x000000000684E000-memory.dmp

      Filesize

      120KB

    • memory/1232-52-0x0000000006D60000-0x0000000006DAC000-memory.dmp

      Filesize

      304KB

    • memory/1232-21-0x0000000005940000-0x0000000005F68000-memory.dmp

      Filesize

      6.2MB

    • memory/1232-22-0x0000000074410000-0x0000000074BC0000-memory.dmp

      Filesize

      7.7MB

    • memory/1232-23-0x0000000005300000-0x0000000005310000-memory.dmp

      Filesize

      64KB

    • memory/1232-94-0x0000000074410000-0x0000000074BC0000-memory.dmp

      Filesize

      7.7MB

    • memory/1232-46-0x0000000006220000-0x0000000006574000-memory.dmp

      Filesize

      3.3MB

    • memory/1232-26-0x0000000006140000-0x00000000061A6000-memory.dmp

      Filesize

      408KB

    • memory/1232-27-0x00000000061B0000-0x0000000006216000-memory.dmp

      Filesize

      408KB

    • memory/2784-16-0x0000000005140000-0x0000000005150000-memory.dmp

      Filesize

      64KB

    • memory/2784-3-0x0000000004E90000-0x0000000004F22000-memory.dmp

      Filesize

      584KB

    • memory/2784-6-0x00000000054C0000-0x00000000054D8000-memory.dmp

      Filesize

      96KB

    • memory/2784-4-0x0000000005140000-0x0000000005150000-memory.dmp

      Filesize

      64KB

    • memory/2784-51-0x0000000074410000-0x0000000074BC0000-memory.dmp

      Filesize

      7.7MB

    • memory/2784-7-0x00000000061B0000-0x00000000061B8000-memory.dmp

      Filesize

      32KB

    • memory/2784-8-0x00000000061C0000-0x00000000061CA000-memory.dmp

      Filesize

      40KB

    • memory/2784-1-0x0000000074410000-0x0000000074BC0000-memory.dmp

      Filesize

      7.7MB

    • memory/2784-2-0x0000000005500000-0x0000000005AA4000-memory.dmp

      Filesize

      5.6MB

    • memory/2784-0-0x00000000003A0000-0x00000000004A2000-memory.dmp

      Filesize

      1.0MB

    • memory/2784-11-0x0000000074410000-0x0000000074BC0000-memory.dmp

      Filesize

      7.7MB

    • memory/2784-10-0x00000000062C0000-0x000000000635C000-memory.dmp

      Filesize

      624KB

    • memory/2784-9-0x00000000077A0000-0x000000000781C000-memory.dmp

      Filesize

      496KB

    • memory/2784-5-0x0000000005060000-0x000000000506A000-memory.dmp

      Filesize

      40KB

    • memory/3540-95-0x0000000074410000-0x0000000074BC0000-memory.dmp

      Filesize

      7.7MB

    • memory/3540-53-0x0000000005440000-0x0000000005450000-memory.dmp

      Filesize

      64KB

    • memory/3540-50-0x0000000074410000-0x0000000074BC0000-memory.dmp

      Filesize

      7.7MB

    • memory/3540-47-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/3828-18-0x0000000074410000-0x0000000074BC0000-memory.dmp

      Filesize

      7.7MB

    • memory/3828-82-0x0000000007D80000-0x0000000007E16000-memory.dmp

      Filesize

      600KB

    • memory/3828-84-0x0000000007D30000-0x0000000007D3E000-memory.dmp

      Filesize

      56KB

    • memory/3828-85-0x0000000007D40000-0x0000000007D54000-memory.dmp

      Filesize

      80KB

    • memory/3828-86-0x0000000007E40000-0x0000000007E5A000-memory.dmp

      Filesize

      104KB

    • memory/3828-80-0x0000000007B00000-0x0000000007B1A000-memory.dmp

      Filesize

      104KB

    • memory/3828-68-0x000000006F980000-0x000000006F9CC000-memory.dmp

      Filesize

      304KB

    • memory/3828-93-0x0000000074410000-0x0000000074BC0000-memory.dmp

      Filesize

      7.7MB

    • memory/3828-25-0x0000000005710000-0x0000000005732000-memory.dmp

      Filesize

      136KB

    • memory/3828-19-0x0000000003010000-0x0000000003020000-memory.dmp

      Filesize

      64KB

    • memory/3828-20-0x0000000003010000-0x0000000003020000-memory.dmp

      Filesize

      64KB