Analysis

  • max time kernel
    123s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/11/2023, 11:59

General

  • Target

    417014938c77fa75c5b714e6edb6f074a13bb7a7118d28684bb049eabb3b7e0f.exe

  • Size

    782KB

  • MD5

    a9ce7c25e8cc34d6afc232d04e9cd37e

  • SHA1

    69956ba1eb28f918ee842a4384021bd9ecb01bc2

  • SHA256

    417014938c77fa75c5b714e6edb6f074a13bb7a7118d28684bb049eabb3b7e0f

  • SHA512

    427dba6d96877e42d5ceb32b70c06f1eaa233eb1e4b15923bd385901688113cbe553e454cad83ab388de55ac2d402ca2201930c9e79b183ba6b49468349fb661

  • SSDEEP

    12288:4OVg1DuP2Zy19PZjFzqwQFLVUGwFo4uDk0C3vRcYn3Xjtx0mWK9p9WB:HV/X1rjFW9dFIuzC7nYmWsL

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.

  • 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).

  • 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 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\417014938c77fa75c5b714e6edb6f074a13bb7a7118d28684bb049eabb3b7e0f.exe
    "C:\Users\Admin\AppData\Local\Temp\417014938c77fa75c5b714e6edb6f074a13bb7a7118d28684bb049eabb3b7e0f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4028
    • 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\417014938c77fa75c5b714e6edb6f074a13bb7a7118d28684bb049eabb3b7e0f.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3608
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fFZHyKFIE.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3804
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fFZHyKFIE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5F51.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:400
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:3384
      • 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:2608
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2608 -s 1464
          3⤵
          • Program crash
          PID:880
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2608 -ip 2608
      1⤵
        PID:2628

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        18KB

        MD5

        c433a0b0f1383846b0a2b6fe07f53e61

        SHA1

        f644fb78a3bd12f53407e8bf4a9b0b0ddca0ad21

        SHA256

        6067c792000c8640c10bfd2e7392c44ef366d39612aaf2698e64131ceb7b05c3

        SHA512

        f3490e8e73e9e4e2fc104d9aabf9d9243875c005fd6136c5f1e039e5f6b3264ce83cfc3cca6aef1ed0110709f93cb36fc70e9548afaca17396173a3ef3ae05e6

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dnupi10i.e45.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\tmp5F51.tmp

        Filesize

        1KB

        MD5

        0d14225b8e297d7cb7f87b07a3deba49

        SHA1

        c68e522040609c9001d4d7f87524ba1699946260

        SHA256

        6c581fc99288fbe938bee7e32cf20a4b6231b7e7cf028bc92aedf7e010b1b832

        SHA512

        a0af30f30e7b4c520c78d6e66c5649f62e79423c58c1d9b9a7e2847659e6e82b89b600c93599e19a6cf91745b1906fb7efa3f5dc9b2ca99621c5a5a21bcf9b3e

      • memory/2608-89-0x0000000074D00000-0x00000000754B0000-memory.dmp

        Filesize

        7.7MB

      • memory/2608-51-0x0000000005570000-0x0000000005580000-memory.dmp

        Filesize

        64KB

      • memory/2608-49-0x0000000074D00000-0x00000000754B0000-memory.dmp

        Filesize

        7.7MB

      • memory/2608-37-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/3608-17-0x0000000074D00000-0x00000000754B0000-memory.dmp

        Filesize

        7.7MB

      • memory/3608-48-0x0000000005960000-0x0000000005CB4000-memory.dmp

        Filesize

        3.3MB

      • memory/3608-97-0x0000000074D00000-0x00000000754B0000-memory.dmp

        Filesize

        7.7MB

      • memory/3608-90-0x0000000007340000-0x000000000735A000-memory.dmp

        Filesize

        104KB

      • memory/3608-88-0x0000000007240000-0x0000000007254000-memory.dmp

        Filesize

        80KB

      • memory/3608-16-0x0000000004740000-0x0000000004776000-memory.dmp

        Filesize

        216KB

      • memory/3608-87-0x0000000007230000-0x000000000723E000-memory.dmp

        Filesize

        56KB

      • memory/3608-19-0x0000000004870000-0x0000000004880000-memory.dmp

        Filesize

        64KB

      • memory/3608-18-0x0000000004870000-0x0000000004880000-memory.dmp

        Filesize

        64KB

      • memory/3608-20-0x0000000004EB0000-0x00000000054D8000-memory.dmp

        Filesize

        6.2MB

      • memory/3608-86-0x0000000007200000-0x0000000007211000-memory.dmp

        Filesize

        68KB

      • memory/3608-85-0x0000000007280000-0x0000000007316000-memory.dmp

        Filesize

        600KB

      • memory/3608-84-0x0000000007070000-0x000000000707A000-memory.dmp

        Filesize

        40KB

      • memory/3608-81-0x0000000006D10000-0x0000000006DB3000-memory.dmp

        Filesize

        652KB

      • memory/3608-25-0x00000000054F0000-0x0000000005512000-memory.dmp

        Filesize

        136KB

      • memory/3608-70-0x00000000062B0000-0x00000000062CE000-memory.dmp

        Filesize

        120KB

      • memory/3608-59-0x00000000755A0000-0x00000000755EC000-memory.dmp

        Filesize

        304KB

      • memory/3608-57-0x000000007F920000-0x000000007F930000-memory.dmp

        Filesize

        64KB

      • memory/3608-55-0x0000000004870000-0x0000000004880000-memory.dmp

        Filesize

        64KB

      • memory/3804-52-0x0000000005A20000-0x0000000005A3E000-memory.dmp

        Filesize

        120KB

      • memory/3804-24-0x00000000020E0000-0x00000000020F0000-memory.dmp

        Filesize

        64KB

      • memory/3804-96-0x0000000074D00000-0x00000000754B0000-memory.dmp

        Filesize

        7.7MB

      • memory/3804-91-0x0000000007050000-0x0000000007058000-memory.dmp

        Filesize

        32KB

      • memory/3804-22-0x0000000074D00000-0x00000000754B0000-memory.dmp

        Filesize

        7.7MB

      • memory/3804-53-0x0000000005A60000-0x0000000005AAC000-memory.dmp

        Filesize

        304KB

      • memory/3804-54-0x00000000020E0000-0x00000000020F0000-memory.dmp

        Filesize

        64KB

      • memory/3804-82-0x0000000007370000-0x00000000079EA000-memory.dmp

        Filesize

        6.5MB

      • memory/3804-56-0x000000007F810000-0x000000007F820000-memory.dmp

        Filesize

        64KB

      • memory/3804-58-0x0000000005FD0000-0x0000000006002000-memory.dmp

        Filesize

        200KB

      • memory/3804-38-0x0000000005430000-0x0000000005496000-memory.dmp

        Filesize

        408KB

      • memory/3804-83-0x0000000006D30000-0x0000000006D4A000-memory.dmp

        Filesize

        104KB

      • memory/3804-60-0x00000000755A0000-0x00000000755EC000-memory.dmp

        Filesize

        304KB

      • memory/3804-36-0x0000000005350000-0x00000000053B6000-memory.dmp

        Filesize

        408KB

      • memory/3804-23-0x00000000020E0000-0x00000000020F0000-memory.dmp

        Filesize

        64KB

      • memory/4028-5-0x0000000004C00000-0x0000000004C0A000-memory.dmp

        Filesize

        40KB

      • memory/4028-6-0x0000000004DE0000-0x0000000004DF6000-memory.dmp

        Filesize

        88KB

      • memory/4028-4-0x0000000004E30000-0x0000000004E40000-memory.dmp

        Filesize

        64KB

      • memory/4028-8-0x00000000060E0000-0x000000000615C000-memory.dmp

        Filesize

        496KB

      • memory/4028-7-0x0000000004FA0000-0x0000000004FAA000-memory.dmp

        Filesize

        40KB

      • memory/4028-0-0x0000000000140000-0x0000000000208000-memory.dmp

        Filesize

        800KB

      • memory/4028-11-0x0000000004E30000-0x0000000004E40000-memory.dmp

        Filesize

        64KB

      • memory/4028-2-0x0000000005120000-0x00000000056C4000-memory.dmp

        Filesize

        5.6MB

      • memory/4028-10-0x0000000074D00000-0x00000000754B0000-memory.dmp

        Filesize

        7.7MB

      • memory/4028-3-0x0000000004C10000-0x0000000004CA2000-memory.dmp

        Filesize

        584KB

      • memory/4028-1-0x0000000074D00000-0x00000000754B0000-memory.dmp

        Filesize

        7.7MB

      • memory/4028-9-0x0000000008BA0000-0x0000000008C3C000-memory.dmp

        Filesize

        624KB

      • memory/4028-50-0x0000000074D00000-0x00000000754B0000-memory.dmp

        Filesize

        7.7MB