Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/04/2024, 12:07

General

  • Target

    30e181e98cb75e4324746fd2d27fcc9987a51dfd0182b45eab54781df26c1d33.exe

  • Size

    876KB

  • MD5

    8ae8e59f0df6887a86d8ac303d004095

  • SHA1

    9cd99884369adfd6bb5d9f3426c91b25f4979281

  • SHA256

    30e181e98cb75e4324746fd2d27fcc9987a51dfd0182b45eab54781df26c1d33

  • SHA512

    3d84661139fc7c474cf338857e0571ca4321bfc00b0fd091b307d96fb85abd1f6b945f995eeb42ab25be58e2e2d45a3ce52e6af217b102021fb73c670d5e267b

  • SSDEEP

    12288:hWK/pbMHRwwAFD3XhWLBuFdTu9LcIfwC2ybQ+er3eTdmL7Dk69QlY+GauXxD1GI9:hWiMHgLOILTuCITKORCnIlSaYxR

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.clslk.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    NUZRATHinam1978

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.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\30e181e98cb75e4324746fd2d27fcc9987a51dfd0182b45eab54781df26c1d33.exe
    "C:\Users\Admin\AppData\Local\Temp\30e181e98cb75e4324746fd2d27fcc9987a51dfd0182b45eab54781df26c1d33.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3020
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tiucdfZoOi.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1192
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tiucdfZoOi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB006.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4444
    • C:\Users\Admin\AppData\Local\Temp\30e181e98cb75e4324746fd2d27fcc9987a51dfd0182b45eab54781df26c1d33.exe
      "C:\Users\Admin\AppData\Local\Temp\30e181e98cb75e4324746fd2d27fcc9987a51dfd0182b45eab54781df26c1d33.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3912

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\30e181e98cb75e4324746fd2d27fcc9987a51dfd0182b45eab54781df26c1d33.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vqbqe3nu.shh.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpB006.tmp

    Filesize

    1KB

    MD5

    7f810e887e7052ff7438820bbed89a89

    SHA1

    9f63742eba4023f51885b59b8b8aff9190470f0f

    SHA256

    ac6acc8501400c3e120f8735bc31a51317f98ad169012bc4162113cda720cb2d

    SHA512

    6de334193d389f75ee07d2c591bc14d76a2119181712fe06ba7aac5090cc9f33cc5793919abb842ed6315919752b265f88b86322ffe1d9a7c2ad076d245641af

  • memory/1192-32-0x0000000005B90000-0x0000000005BF6000-memory.dmp

    Filesize

    408KB

  • memory/1192-20-0x0000000005560000-0x0000000005B88000-memory.dmp

    Filesize

    6.2MB

  • memory/1192-69-0x0000000075280000-0x0000000075A30000-memory.dmp

    Filesize

    7.7MB

  • memory/1192-66-0x00000000078E0000-0x00000000078E8000-memory.dmp

    Filesize

    32KB

  • memory/1192-65-0x00000000078F0000-0x000000000790A000-memory.dmp

    Filesize

    104KB

  • memory/1192-64-0x0000000007800000-0x0000000007814000-memory.dmp

    Filesize

    80KB

  • memory/1192-63-0x00000000077F0000-0x00000000077FE000-memory.dmp

    Filesize

    56KB

  • memory/1192-62-0x00000000077C0000-0x00000000077D1000-memory.dmp

    Filesize

    68KB

  • memory/1192-15-0x0000000002990000-0x00000000029C6000-memory.dmp

    Filesize

    216KB

  • memory/1192-61-0x0000000007820000-0x00000000078B6000-memory.dmp

    Filesize

    600KB

  • memory/1192-17-0x0000000075280000-0x0000000075A30000-memory.dmp

    Filesize

    7.7MB

  • memory/1192-18-0x0000000004F20000-0x0000000004F30000-memory.dmp

    Filesize

    64KB

  • memory/1192-19-0x0000000004F20000-0x0000000004F30000-memory.dmp

    Filesize

    64KB

  • memory/1192-43-0x0000000004F20000-0x0000000004F30000-memory.dmp

    Filesize

    64KB

  • memory/1192-60-0x0000000007610000-0x000000000761A000-memory.dmp

    Filesize

    40KB

  • memory/1192-59-0x00000000075A0000-0x00000000075BA000-memory.dmp

    Filesize

    104KB

  • memory/1192-24-0x00000000054B0000-0x00000000054D2000-memory.dmp

    Filesize

    136KB

  • memory/1192-58-0x0000000007BF0000-0x000000000826A000-memory.dmp

    Filesize

    6.5MB

  • memory/1192-56-0x0000000007290000-0x0000000007333000-memory.dmp

    Filesize

    652KB

  • memory/1192-55-0x0000000006840000-0x000000000685E000-memory.dmp

    Filesize

    120KB

  • memory/1192-44-0x0000000006860000-0x0000000006892000-memory.dmp

    Filesize

    200KB

  • memory/1192-33-0x0000000005C70000-0x0000000005CD6000-memory.dmp

    Filesize

    408KB

  • memory/1192-45-0x0000000070F90000-0x0000000070FDC000-memory.dmp

    Filesize

    304KB

  • memory/1192-39-0x0000000005E90000-0x00000000061E4000-memory.dmp

    Filesize

    3.3MB

  • memory/1192-40-0x0000000006290000-0x00000000062AE000-memory.dmp

    Filesize

    120KB

  • memory/1192-41-0x0000000006330000-0x000000000637C000-memory.dmp

    Filesize

    304KB

  • memory/3020-4-0x00000000049F0000-0x0000000004A00000-memory.dmp

    Filesize

    64KB

  • memory/3020-7-0x0000000004F80000-0x0000000004F98000-memory.dmp

    Filesize

    96KB

  • memory/3020-0-0x0000000075280000-0x0000000075A30000-memory.dmp

    Filesize

    7.7MB

  • memory/3020-1-0x0000000000010000-0x00000000000EE000-memory.dmp

    Filesize

    888KB

  • memory/3020-25-0x0000000075280000-0x0000000075A30000-memory.dmp

    Filesize

    7.7MB

  • memory/3020-5-0x0000000004990000-0x000000000499A000-memory.dmp

    Filesize

    40KB

  • memory/3020-6-0x0000000004C70000-0x0000000004D0C000-memory.dmp

    Filesize

    624KB

  • memory/3020-2-0x0000000004FE0000-0x0000000005584000-memory.dmp

    Filesize

    5.6MB

  • memory/3020-8-0x0000000005D90000-0x0000000005D9E000-memory.dmp

    Filesize

    56KB

  • memory/3020-3-0x0000000004A30000-0x0000000004AC2000-memory.dmp

    Filesize

    584KB

  • memory/3020-10-0x00000000086D0000-0x0000000008752000-memory.dmp

    Filesize

    520KB

  • memory/3020-9-0x0000000005DA0000-0x0000000005DB4000-memory.dmp

    Filesize

    80KB

  • memory/3912-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3912-34-0x0000000005170000-0x0000000005180000-memory.dmp

    Filesize

    64KB

  • memory/3912-26-0x0000000075280000-0x0000000075A30000-memory.dmp

    Filesize

    7.7MB

  • memory/3912-57-0x0000000006030000-0x0000000006080000-memory.dmp

    Filesize

    320KB

  • memory/3912-70-0x0000000075280000-0x0000000075A30000-memory.dmp

    Filesize

    7.7MB

  • memory/3912-71-0x0000000005170000-0x0000000005180000-memory.dmp

    Filesize

    64KB