Analysis

  • max time kernel
    55s
  • max time network
    53s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2023 02:37

General

  • Target

    Payment Advice - Advice RefGLV626201911 Priority payment_Pdf__.exe

  • Size

    801KB

  • MD5

    9d97b764c4d9af6d6c75592bb14518b2

  • SHA1

    3697f7d23a1c89c834f2d9ad20df389a4ab68ee5

  • SHA256

    242145aac35df3f97a6929f8d6f2536d380de86d926e8e42a8129222cdcda2e8

  • SHA512

    13281cf03fdeafe9052e7a5187008e72432f5da3bf3be65366c07310337ab3e04cece0563a17d0c90853560da15f3e6d357ce0e0703837015ffdc302a7d136df

  • SSDEEP

    12288:nZKE6jD/62iNG5nF8dB5dPUdrtWe5QBvDRWTMQvEloqCiErdF9rIhF:nZKtD/61I2l8psb8gJ6hrIhF

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice RefGLV626201911 Priority payment_Pdf__.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice RefGLV626201911 Priority payment_Pdf__.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:724
    • C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice RefGLV626201911 Priority payment_Pdf__.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice RefGLV626201911 Priority payment_Pdf__.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4572

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Payment Advice - Advice RefGLV626201911 Priority payment_Pdf__.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/724-10-0x0000000006720000-0x00000000067BC000-memory.dmp

    Filesize

    624KB

  • memory/724-14-0x0000000074BF0000-0x00000000753A0000-memory.dmp

    Filesize

    7.7MB

  • memory/724-9-0x0000000006920000-0x000000000699A000-memory.dmp

    Filesize

    488KB

  • memory/724-4-0x0000000005540000-0x0000000005550000-memory.dmp

    Filesize

    64KB

  • memory/724-5-0x00000000053E0000-0x00000000053EA000-memory.dmp

    Filesize

    40KB

  • memory/724-6-0x00000000056B0000-0x00000000056C8000-memory.dmp

    Filesize

    96KB

  • memory/724-7-0x00000000056D0000-0x00000000056D8000-memory.dmp

    Filesize

    32KB

  • memory/724-8-0x00000000056F0000-0x00000000056FA000-memory.dmp

    Filesize

    40KB

  • memory/724-3-0x0000000005400000-0x0000000005492000-memory.dmp

    Filesize

    584KB

  • memory/724-0-0x0000000000960000-0x0000000000A2E000-memory.dmp

    Filesize

    824KB

  • memory/724-1-0x0000000074BF0000-0x00000000753A0000-memory.dmp

    Filesize

    7.7MB

  • memory/724-2-0x00000000058D0000-0x0000000005E74000-memory.dmp

    Filesize

    5.6MB

  • memory/4572-15-0x0000000074BF0000-0x00000000753A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4572-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4572-16-0x00000000056C0000-0x00000000056D0000-memory.dmp

    Filesize

    64KB

  • memory/4572-17-0x0000000005620000-0x0000000005686000-memory.dmp

    Filesize

    408KB

  • memory/4572-18-0x0000000006E80000-0x0000000006ED0000-memory.dmp

    Filesize

    320KB

  • memory/4572-19-0x0000000074BF0000-0x00000000753A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4572-20-0x00000000056C0000-0x00000000056D0000-memory.dmp

    Filesize

    64KB