Analysis

  • max time kernel
    140s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-04-2024 02:13

General

  • Target

    Bank slip.exe

  • Size

    643KB

  • MD5

    83d5996cdae805e2caaea0c087163700

  • SHA1

    2b69f4a9e66cb932f695fc0b004c81d34f3684d5

  • SHA256

    ca444d4c1eac0d3464e99f59a3391aa587572814d5fbecfe1d02ac9bf84606e8

  • SHA512

    c879cefa653c5abacaad7cd4ff49a61322b613db888cf21c37f343f2a2f8d31c79e2ee7cc33255eaef3030b63d530fc8deb08c57d1cab16e72206093ff01a9ed

  • SSDEEP

    12288:TSWPxnsANqcSezgcDlgGZ9d5bzNmBorZpOaAXmne+Sdq2A2cWjoI9:fsWyytDl/bd5biorPAWnrSdOrA

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.alkuwaiti.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Ele@1804

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bank slip.exe
    "C:\Users\Admin\AppData\Local\Temp\Bank slip.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:464
    • 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:2960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Bank slip.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/464-10-0x0000000003060000-0x00000000030E2000-memory.dmp
    Filesize

    520KB

  • memory/464-16-0x0000000074CC0000-0x0000000075470000-memory.dmp
    Filesize

    7.7MB

  • memory/464-9-0x0000000006B70000-0x0000000006B84000-memory.dmp
    Filesize

    80KB

  • memory/464-4-0x00000000059C0000-0x00000000059D0000-memory.dmp
    Filesize

    64KB

  • memory/464-5-0x0000000005780000-0x000000000578A000-memory.dmp
    Filesize

    40KB

  • memory/464-6-0x0000000005AC0000-0x0000000005B5C000-memory.dmp
    Filesize

    624KB

  • memory/464-7-0x00000000081F0000-0x0000000008208000-memory.dmp
    Filesize

    96KB

  • memory/464-8-0x0000000006B60000-0x0000000006B6E000-memory.dmp
    Filesize

    56KB

  • memory/464-3-0x00000000057B0000-0x0000000005842000-memory.dmp
    Filesize

    584KB

  • memory/464-2-0x0000000005D60000-0x0000000006304000-memory.dmp
    Filesize

    5.6MB

  • memory/464-0-0x0000000000E20000-0x0000000000EC6000-memory.dmp
    Filesize

    664KB

  • memory/464-1-0x0000000074CC0000-0x0000000075470000-memory.dmp
    Filesize

    7.7MB

  • memory/2960-20-0x0000000005200000-0x0000000005210000-memory.dmp
    Filesize

    64KB

  • memory/2960-15-0x0000000005200000-0x0000000005210000-memory.dmp
    Filesize

    64KB

  • memory/2960-14-0x0000000074CC0000-0x0000000075470000-memory.dmp
    Filesize

    7.7MB

  • memory/2960-17-0x0000000005110000-0x0000000005176000-memory.dmp
    Filesize

    408KB

  • memory/2960-18-0x00000000067E0000-0x0000000006830000-memory.dmp
    Filesize

    320KB

  • memory/2960-19-0x0000000074CC0000-0x0000000075470000-memory.dmp
    Filesize

    7.7MB

  • memory/2960-11-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB