Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 01:21

General

  • Target

    6deca5f293b38099e0414eb589451aa6880e7c4e2812f90dd6d59fcb768409c6.exe

  • Size

    769KB

  • MD5

    408a48c1608970d44f98725c56fc1fdf

  • SHA1

    7253a22b1966427ec989c8fcc892fbf51086ced6

  • SHA256

    6deca5f293b38099e0414eb589451aa6880e7c4e2812f90dd6d59fcb768409c6

  • SHA512

    ac02fce542ff5c315773e48aa192b4b23647387529826ca48a372bc7ec70bd003ebb0e3cc30ea54f7af17423a417d8024922a47cd42cd5881496e86ca6538b86

  • SSDEEP

    12288:4rOJ+Ri3AgFd1DQrQzPzs9C/vm/AncL47aXCaMv6eEJ4T7o6M88g/orX04RTBWjc:UQ3AgCtWyAe47aXCaSDmuoI84oI6WFE

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ,%EVY$JU0=lu

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ,%EVY$JU0=lu

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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 3 TTPs

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

  • Looks up external IP address via web service 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6deca5f293b38099e0414eb589451aa6880e7c4e2812f90dd6d59fcb768409c6.exe
    "C:\Users\Admin\AppData\Local\Temp\6deca5f293b38099e0414eb589451aa6880e7c4e2812f90dd6d59fcb768409c6.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1984
    • 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\6deca5f293b38099e0414eb589451aa6880e7c4e2812f90dd6d59fcb768409c6.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1556
    • C:\Users\Admin\AppData\Local\Temp\6deca5f293b38099e0414eb589451aa6880e7c4e2812f90dd6d59fcb768409c6.exe
      "C:\Users\Admin\AppData\Local\Temp\6deca5f293b38099e0414eb589451aa6880e7c4e2812f90dd6d59fcb768409c6.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4448

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\6deca5f293b38099e0414eb589451aa6880e7c4e2812f90dd6d59fcb768409c6.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_313xx4dl.2s4.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1556-51-0x00000000070E0000-0x00000000070FA000-memory.dmp

    Filesize

    104KB

  • memory/1556-50-0x0000000007720000-0x0000000007D9A000-memory.dmp

    Filesize

    6.5MB

  • memory/1556-23-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/1556-62-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/1556-58-0x0000000007400000-0x0000000007408000-memory.dmp

    Filesize

    32KB

  • memory/1556-57-0x0000000007420000-0x000000000743A000-memory.dmp

    Filesize

    104KB

  • memory/1556-56-0x0000000007320000-0x0000000007334000-memory.dmp

    Filesize

    80KB

  • memory/1556-55-0x0000000007310000-0x000000000731E000-memory.dmp

    Filesize

    56KB

  • memory/1556-54-0x00000000072E0000-0x00000000072F1000-memory.dmp

    Filesize

    68KB

  • memory/1556-53-0x0000000007360000-0x00000000073F6000-memory.dmp

    Filesize

    600KB

  • memory/1556-52-0x0000000007150000-0x000000000715A000-memory.dmp

    Filesize

    40KB

  • memory/1556-35-0x0000000005DB0000-0x0000000005DCE000-memory.dmp

    Filesize

    120KB

  • memory/1556-49-0x0000000006F90000-0x0000000007033000-memory.dmp

    Filesize

    652KB

  • memory/1556-16-0x0000000002430000-0x0000000002466000-memory.dmp

    Filesize

    216KB

  • memory/1556-18-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/1556-48-0x0000000006360000-0x000000000637E000-memory.dmp

    Filesize

    120KB

  • memory/1556-37-0x0000000006F50000-0x0000000006F82000-memory.dmp

    Filesize

    200KB

  • memory/1556-17-0x0000000004FC0000-0x00000000055E8000-memory.dmp

    Filesize

    6.2MB

  • memory/1556-22-0x0000000004F10000-0x0000000004F76000-memory.dmp

    Filesize

    408KB

  • memory/1556-21-0x0000000004CF0000-0x0000000004D12000-memory.dmp

    Filesize

    136KB

  • memory/1556-38-0x0000000070B20000-0x0000000070B6C000-memory.dmp

    Filesize

    304KB

  • memory/1556-36-0x0000000005DD0000-0x0000000005E1C000-memory.dmp

    Filesize

    304KB

  • memory/1556-19-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/1556-25-0x00000000057D0000-0x0000000005B24000-memory.dmp

    Filesize

    3.3MB

  • memory/1984-0-0x0000000074EAE000-0x0000000074EAF000-memory.dmp

    Filesize

    4KB

  • memory/1984-7-0x0000000074EAE000-0x0000000074EAF000-memory.dmp

    Filesize

    4KB

  • memory/1984-5-0x0000000005B50000-0x0000000005B5A000-memory.dmp

    Filesize

    40KB

  • memory/1984-6-0x0000000005C30000-0x0000000005CCC000-memory.dmp

    Filesize

    624KB

  • memory/1984-1-0x0000000000EF0000-0x0000000000FB6000-memory.dmp

    Filesize

    792KB

  • memory/1984-15-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/1984-4-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/1984-3-0x00000000059A0000-0x0000000005A32000-memory.dmp

    Filesize

    584KB

  • memory/1984-2-0x0000000006010000-0x00000000065B4000-memory.dmp

    Filesize

    5.6MB

  • memory/1984-8-0x0000000005C20000-0x0000000005C32000-memory.dmp

    Filesize

    72KB

  • memory/1984-10-0x0000000006FA0000-0x000000000702C000-memory.dmp

    Filesize

    560KB

  • memory/1984-9-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/4448-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/4448-14-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/4448-20-0x0000000004F40000-0x0000000004FA6000-memory.dmp

    Filesize

    408KB

  • memory/4448-59-0x0000000006670000-0x00000000066C0000-memory.dmp

    Filesize

    320KB

  • memory/4448-24-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/4448-63-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/4448-64-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB