Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2023 01:46

General

  • Target

    23f80d25764ed88a56ff93ad71c123ad83a5877ec6aeb47241f19d84625dc8f3.exe

  • Size

    967KB

  • MD5

    5457b522450d6dd05d59f4f6853d3268

  • SHA1

    5c86f97bacf6cd52b15393a1fb6f2b30cebbb4db

  • SHA256

    23f80d25764ed88a56ff93ad71c123ad83a5877ec6aeb47241f19d84625dc8f3

  • SHA512

    70200463497a87c888b73abcd692082c792cfad0560c36374e84ca7273d2b3e83b03fcae91b6f67a45dc214fea58c50d8d8a20bdefde56a05167fa5c31e01595

  • SSDEEP

    24576:yQp0mrZRfXwcYLDEfCfcrM1KmifPnrEHQUTOqofIlhChgdgmj:yQp08rXwcYLYfiNS3nrQQUT7ofIlohsB

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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\23f80d25764ed88a56ff93ad71c123ad83a5877ec6aeb47241f19d84625dc8f3.exe
    "C:\Users\Admin\AppData\Local\Temp\23f80d25764ed88a56ff93ad71c123ad83a5877ec6aeb47241f19d84625dc8f3.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2584
    • 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\23f80d25764ed88a56ff93ad71c123ad83a5877ec6aeb47241f19d84625dc8f3.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3748
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TrqBuNapRw.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2108
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TrqBuNapRw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF359.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4932
    • 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:2416
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 1380
        3⤵
        • Program crash
        PID:4888
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2416 -ip 2416
    1⤵
      PID:3136

    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

      8831ba19ac31ab05207cfc80d6028447

      SHA1

      0c1b6c6059da05bc94b3732907f9ecde5f61b02f

      SHA256

      2182dcb3b97d18e60ce570d5b729c8fbc8ced385328ce7fdb442c9c98d09ca8c

      SHA512

      93b9c484b57e584871b1bdc3d42ccc92d36cd1e392f2d862c3cc485790270ae3a6e19ce2abc5f5f51adfae9c1d256e699ed87b915efb823545edc92d1416d83d

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ynxegngg.oe2.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpF359.tmp

      Filesize

      1KB

      MD5

      33f8e6c65d4363986ddcf9ccd74210c4

      SHA1

      b7eae5ce5fd0f50e3933f32eebf12845bf5d1af6

      SHA256

      a5668fdfa4a98027ded1bd74fc52cdc3dc779272201313e9999e339499f354b8

      SHA512

      38ca456a8b0227eef5027a8029c556bbbeeeb8ed3faf8307170386b9c977d94c52a1854bf70349aaf8d3c96db15516c23168fb9a29e834801d080103355a489c

    • memory/2108-81-0x0000000007930000-0x00000000079D3000-memory.dmp

      Filesize

      652KB

    • memory/2108-55-0x0000000005420000-0x0000000005430000-memory.dmp

      Filesize

      64KB

    • memory/2108-85-0x0000000007ED0000-0x0000000007F66000-memory.dmp

      Filesize

      600KB

    • memory/2108-83-0x0000000007C50000-0x0000000007C6A000-memory.dmp

      Filesize

      104KB

    • memory/2108-23-0x00000000745D0000-0x0000000074D80000-memory.dmp

      Filesize

      7.7MB

    • memory/2108-61-0x0000000070940000-0x000000007098C000-memory.dmp

      Filesize

      304KB

    • memory/2108-59-0x000000007F7A0000-0x000000007F7B0000-memory.dmp

      Filesize

      64KB

    • memory/2108-87-0x0000000007E80000-0x0000000007E8E000-memory.dmp

      Filesize

      56KB

    • memory/2108-54-0x0000000006ED0000-0x0000000006F1C000-memory.dmp

      Filesize

      304KB

    • memory/2108-27-0x00000000060C0000-0x00000000060E2000-memory.dmp

      Filesize

      136KB

    • memory/2108-88-0x0000000007E90000-0x0000000007EA4000-memory.dmp

      Filesize

      80KB

    • memory/2108-29-0x00000000062D0000-0x0000000006336000-memory.dmp

      Filesize

      408KB

    • memory/2108-24-0x0000000005420000-0x0000000005430000-memory.dmp

      Filesize

      64KB

    • memory/2108-97-0x00000000745D0000-0x0000000074D80000-memory.dmp

      Filesize

      7.7MB

    • memory/2108-26-0x0000000005420000-0x0000000005430000-memory.dmp

      Filesize

      64KB

    • memory/2416-50-0x00000000745D0000-0x0000000074D80000-memory.dmp

      Filesize

      7.7MB

    • memory/2416-48-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2416-91-0x00000000745D0000-0x0000000074D80000-memory.dmp

      Filesize

      7.7MB

    • memory/2416-52-0x00000000054D0000-0x00000000054E0000-memory.dmp

      Filesize

      64KB

    • memory/2584-10-0x0000000005C50000-0x0000000005C5A000-memory.dmp

      Filesize

      40KB

    • memory/2584-4-0x0000000005080000-0x00000000053D4000-memory.dmp

      Filesize

      3.3MB

    • memory/2584-1-0x00000000003F0000-0x00000000004E8000-memory.dmp

      Filesize

      992KB

    • memory/2584-9-0x0000000005C40000-0x0000000005C48000-memory.dmp

      Filesize

      32KB

    • memory/2584-2-0x0000000005490000-0x0000000005A34000-memory.dmp

      Filesize

      5.6MB

    • memory/2584-0-0x00000000745D0000-0x0000000074D80000-memory.dmp

      Filesize

      7.7MB

    • memory/2584-51-0x00000000745D0000-0x0000000074D80000-memory.dmp

      Filesize

      7.7MB

    • memory/2584-3-0x0000000004EE0000-0x0000000004F72000-memory.dmp

      Filesize

      584KB

    • memory/2584-5-0x0000000005070000-0x0000000005080000-memory.dmp

      Filesize

      64KB

    • memory/2584-12-0x00000000745D0000-0x0000000074D80000-memory.dmp

      Filesize

      7.7MB

    • memory/2584-11-0x0000000006880000-0x00000000068FC000-memory.dmp

      Filesize

      496KB

    • memory/2584-6-0x00000000053F0000-0x00000000053FA000-memory.dmp

      Filesize

      40KB

    • memory/2584-7-0x0000000005C60000-0x0000000005CFC000-memory.dmp

      Filesize

      624KB

    • memory/2584-8-0x0000000005480000-0x0000000005492000-memory.dmp

      Filesize

      72KB

    • memory/2584-13-0x0000000005070000-0x0000000005080000-memory.dmp

      Filesize

      64KB

    • memory/3748-98-0x00000000745D0000-0x0000000074D80000-memory.dmp

      Filesize

      7.7MB

    • memory/3748-21-0x00000000047E0000-0x00000000047F0000-memory.dmp

      Filesize

      64KB

    • memory/3748-28-0x0000000004C50000-0x0000000004CB6000-memory.dmp

      Filesize

      408KB

    • memory/3748-53-0x0000000005B90000-0x0000000005BAE000-memory.dmp

      Filesize

      120KB

    • memory/3748-82-0x00000000074F0000-0x0000000007B6A000-memory.dmp

      Filesize

      6.5MB

    • memory/3748-58-0x0000000006B20000-0x0000000006B52000-memory.dmp

      Filesize

      200KB

    • memory/3748-84-0x0000000006F10000-0x0000000006F1A000-memory.dmp

      Filesize

      40KB

    • memory/3748-57-0x000000007FCE0000-0x000000007FCF0000-memory.dmp

      Filesize

      64KB

    • memory/3748-86-0x00000000070A0000-0x00000000070B1000-memory.dmp

      Filesize

      68KB

    • memory/3748-56-0x00000000047E0000-0x00000000047F0000-memory.dmp

      Filesize

      64KB

    • memory/3748-60-0x0000000070940000-0x000000007098C000-memory.dmp

      Filesize

      304KB

    • memory/3748-89-0x00000000071E0000-0x00000000071FA000-memory.dmp

      Filesize

      104KB

    • memory/3748-20-0x00000000047E0000-0x00000000047F0000-memory.dmp

      Filesize

      64KB

    • memory/3748-90-0x00000000071C0000-0x00000000071C8000-memory.dmp

      Filesize

      32KB

    • memory/3748-71-0x0000000006B00000-0x0000000006B1E000-memory.dmp

      Filesize

      120KB

    • memory/3748-19-0x00000000745D0000-0x0000000074D80000-memory.dmp

      Filesize

      7.7MB

    • memory/3748-18-0x0000000002270000-0x00000000022A6000-memory.dmp

      Filesize

      216KB

    • memory/3748-22-0x0000000004E20000-0x0000000005448000-memory.dmp

      Filesize

      6.2MB