Analysis

  • max time kernel
    39s
  • max time network
    48s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 02:02

General

  • Target

    Bank slip.exe

  • Size

    750KB

  • MD5

    65896cd6fe3a01926ed49c9ef5a29ef7

  • SHA1

    c5dc5a34959a9695187f9d5feed4cc4fb8cbae44

  • SHA256

    801fb085b2034c2da6a22f7ed8d86ae6e7195b09d63c195a2b04a55b7a40f97f

  • SHA512

    c59c6033482ca7690fd07a1f77157caa8d2e34ba6b85326831fbb820c402eaea76b26236b879116bc694e66fb10bb6cd6ea95d3497febba3a600132429844601

  • SSDEEP

    12288:vs2J7y715wcdF7d1+bbamuOl8cX7UOaj/N/4FjaxnSdgx+ACR5leZlN:U25k5XdNv+boOlTwhU8nSA+A+er

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 1 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.

  • 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.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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\Bank slip.exe
    "C:\Users\Admin\AppData\Local\Temp\Bank slip.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1356
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uwJTBIAB.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1892
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uwJTBIAB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8C71.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4452
    • C:\Users\Admin\AppData\Local\Temp\Bank slip.exe
      "C:\Users\Admin\AppData\Local\Temp\Bank slip.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4488

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vkewzhn4.qcv.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp8C71.tmp

    Filesize

    1KB

    MD5

    29d4018474f862a59bc11fe7b046d0dc

    SHA1

    a18500ef8630fab84059ee2ad1f56d35d8105dfe

    SHA256

    6e15fec7635324ffda1ac9873cd56457aa34897152160ad35bf28dfe2cba05b3

    SHA512

    31f831e8a3c99e76d422ec4b43a4ea89b0766356882a6968c64d1d0dad18541221409a0ed16ed8e7155315724a8ed0a9b7b63670ab592df651146e0813a90aaf

  • memory/1356-6-0x0000000007EF0000-0x0000000007F12000-memory.dmp

    Filesize

    136KB

  • memory/1356-3-0x00000000051C0000-0x0000000005252000-memory.dmp

    Filesize

    584KB

  • memory/1356-4-0x0000000005280000-0x000000000528A000-memory.dmp

    Filesize

    40KB

  • memory/1356-5-0x0000000074710000-0x0000000074EC0000-memory.dmp

    Filesize

    7.7MB

  • memory/1356-23-0x0000000074710000-0x0000000074EC0000-memory.dmp

    Filesize

    7.7MB

  • memory/1356-7-0x0000000005860000-0x0000000005870000-memory.dmp

    Filesize

    64KB

  • memory/1356-8-0x00000000066D0000-0x0000000006752000-memory.dmp

    Filesize

    520KB

  • memory/1356-9-0x00000000092C0000-0x000000000935C000-memory.dmp

    Filesize

    624KB

  • memory/1356-0-0x000000007471E000-0x000000007471F000-memory.dmp

    Filesize

    4KB

  • memory/1356-2-0x0000000005870000-0x0000000005E14000-memory.dmp

    Filesize

    5.6MB

  • memory/1356-1-0x0000000000720000-0x00000000007E2000-memory.dmp

    Filesize

    776KB

  • memory/1892-27-0x0000000005C10000-0x0000000005C76000-memory.dmp

    Filesize

    408KB

  • memory/1892-41-0x0000000070390000-0x00000000703DC000-memory.dmp

    Filesize

    304KB

  • memory/1892-19-0x0000000074710000-0x0000000074EC0000-memory.dmp

    Filesize

    7.7MB

  • memory/1892-18-0x0000000074710000-0x0000000074EC0000-memory.dmp

    Filesize

    7.7MB

  • memory/1892-64-0x0000000074710000-0x0000000074EC0000-memory.dmp

    Filesize

    7.7MB

  • memory/1892-17-0x0000000005570000-0x0000000005B98000-memory.dmp

    Filesize

    6.2MB

  • memory/1892-16-0x0000000074710000-0x0000000074EC0000-memory.dmp

    Filesize

    7.7MB

  • memory/1892-14-0x0000000002B40000-0x0000000002B76000-memory.dmp

    Filesize

    216KB

  • memory/1892-25-0x0000000005BA0000-0x0000000005C06000-memory.dmp

    Filesize

    408KB

  • memory/1892-61-0x0000000007AA0000-0x0000000007AA8000-memory.dmp

    Filesize

    32KB

  • memory/1892-36-0x0000000005DE0000-0x0000000006134000-memory.dmp

    Filesize

    3.3MB

  • memory/1892-24-0x00000000054B0000-0x00000000054D2000-memory.dmp

    Filesize

    136KB

  • memory/1892-38-0x0000000006430000-0x000000000644E000-memory.dmp

    Filesize

    120KB

  • memory/1892-39-0x00000000069D0000-0x0000000006A1C000-memory.dmp

    Filesize

    304KB

  • memory/1892-40-0x0000000007630000-0x0000000007662000-memory.dmp

    Filesize

    200KB

  • memory/1892-60-0x0000000007AC0000-0x0000000007ADA000-memory.dmp

    Filesize

    104KB

  • memory/1892-51-0x00000000075F0000-0x000000000760E000-memory.dmp

    Filesize

    120KB

  • memory/1892-52-0x0000000007670000-0x0000000007713000-memory.dmp

    Filesize

    652KB

  • memory/1892-53-0x0000000007DC0000-0x000000000843A000-memory.dmp

    Filesize

    6.5MB

  • memory/1892-54-0x0000000007780000-0x000000000779A000-memory.dmp

    Filesize

    104KB

  • memory/1892-55-0x00000000077F0000-0x00000000077FA000-memory.dmp

    Filesize

    40KB

  • memory/1892-56-0x0000000007A00000-0x0000000007A96000-memory.dmp

    Filesize

    600KB

  • memory/1892-57-0x0000000007980000-0x0000000007991000-memory.dmp

    Filesize

    68KB

  • memory/1892-58-0x00000000079B0000-0x00000000079BE000-memory.dmp

    Filesize

    56KB

  • memory/1892-59-0x00000000079C0000-0x00000000079D4000-memory.dmp

    Filesize

    80KB

  • memory/4488-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/4488-37-0x0000000074710000-0x0000000074EC0000-memory.dmp

    Filesize

    7.7MB

  • memory/4488-22-0x0000000074710000-0x0000000074EC0000-memory.dmp

    Filesize

    7.7MB

  • memory/4488-65-0x0000000006F60000-0x0000000006FB0000-memory.dmp

    Filesize

    320KB

  • memory/4488-66-0x0000000074710000-0x0000000074EC0000-memory.dmp

    Filesize

    7.7MB