Analysis

  • max time kernel
    133s
  • 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
    15-11-2024 02:01

General

  • Target

    8391aae8c5d9970e3dc4de04a92850729c3e726f3281aacc9e4db306b4ac8cd5.exe

  • Size

    600KB

  • MD5

    be75b9aed26b7e7138a7e8c0251eb12f

  • SHA1

    caab38fe413396dbbfba8a5ea8a118b6fe435bd2

  • SHA256

    8391aae8c5d9970e3dc4de04a92850729c3e726f3281aacc9e4db306b4ac8cd5

  • SHA512

    131e831196f414645372e0579c8acc08ac51d81a324a36d767080a7cf95ef18dea4786fecc2e40bdade55df61e63c217fc79f95c3761230053c9632324aeedca

  • SSDEEP

    12288:qRX4+E+eG8iIcxs+S/2nX57WHeWHOfOaK1lOLFM/0f3S09PbtunPnXbuCAiyNvan:qh4QeSxs+S6XBTWuWaK1gN+N

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.diva-italia.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    rr.@%5LjgLz7

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 1 IoCs
  • Drops file in Drivers directory 1 IoCs
  • 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.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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).

  • 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.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8391aae8c5d9970e3dc4de04a92850729c3e726f3281aacc9e4db306b4ac8cd5.exe
    "C:\Users\Admin\AppData\Local\Temp\8391aae8c5d9970e3dc4de04a92850729c3e726f3281aacc9e4db306b4ac8cd5.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jAhDFpkzATjOFr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp27D6.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3432
    • C:\Users\Admin\AppData\Local\Temp\8391aae8c5d9970e3dc4de04a92850729c3e726f3281aacc9e4db306b4ac8cd5.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4076

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8391aae8c5d9970e3dc4de04a92850729c3e726f3281aacc9e4db306b4ac8cd5.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\tmp27D6.tmp

    Filesize

    1KB

    MD5

    9a50b251b84bbe33aa93e61a1810e4e4

    SHA1

    3e5d3db2e6db5c40b133e096464dc1be2794eeab

    SHA256

    380b3dc375ce3b44135b3a93d85e4be1c2d334ae74606f174f973c69df97a5bb

    SHA512

    7b3e3aabe0a88a7bd08c0981d8e6b0fee521eed179ba7987866e52a559fa59c6f4171095ab33ebb672916aa67e82c8bae8101da090834cd9092a5d05d85ca115

  • memory/4076-21-0x00000000057E0000-0x00000000057F8000-memory.dmp

    Filesize

    96KB

  • memory/4076-29-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4076-15-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/4076-28-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4076-27-0x00000000063F0000-0x0000000006440000-memory.dmp

    Filesize

    320KB

  • memory/4076-24-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4076-23-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4076-22-0x00000000061C0000-0x0000000006226000-memory.dmp

    Filesize

    408KB

  • memory/4076-20-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4076-18-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4928-8-0x00000000749CE000-0x00000000749CF000-memory.dmp

    Filesize

    4KB

  • memory/4928-4-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4928-11-0x0000000005760000-0x000000000579E000-memory.dmp

    Filesize

    248KB

  • memory/4928-1-0x0000000000150000-0x00000000001EC000-memory.dmp

    Filesize

    624KB

  • memory/4928-19-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4928-10-0x0000000005240000-0x00000000052C4000-memory.dmp

    Filesize

    528KB

  • memory/4928-0-0x00000000749CE000-0x00000000749CF000-memory.dmp

    Filesize

    4KB

  • memory/4928-9-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4928-3-0x00000000070D0000-0x0000000007162000-memory.dmp

    Filesize

    584KB

  • memory/4928-7-0x0000000004D60000-0x0000000004DFC000-memory.dmp

    Filesize

    624KB

  • memory/4928-6-0x0000000004CB0000-0x0000000004CB8000-memory.dmp

    Filesize

    32KB

  • memory/4928-5-0x0000000004670000-0x000000000467A000-memory.dmp

    Filesize

    40KB

  • memory/4928-2-0x00000000075E0000-0x0000000007B84000-memory.dmp

    Filesize

    5.6MB