Analysis

  • max time kernel
    147s
  • max time network
    150s
  • 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 02:11

General

  • Target

    9ccf3e88f8c5dfd642742da82099cbcaa95af5b91cdabd24eba4074fad8e26a2.exe

  • Size

    688KB

  • MD5

    d27faa44bd1b3f34c47a56348838d8da

  • SHA1

    0e386a5eccccfb30e5ce791c6ebfd035d8e809c8

  • SHA256

    9ccf3e88f8c5dfd642742da82099cbcaa95af5b91cdabd24eba4074fad8e26a2

  • SHA512

    af969030744027fc784571e12c76bf5c68f70c12d6f8bc6c6594d044581e6a470a9f61da0ca7da5bd8d9d3991fb90b22c9ff51cb5171ebd0b8e73425b592d7d0

  • SSDEEP

    12288:Gj7ECdBtiMqi2vDtZhXHQcPa66t0slF7U1zmHC+uQ+y7HhgbazsItcYg2iN:GlBrqicDdXwky0sl5U1SHC+uQP1lc91

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7359374737:AAG-rOISO45emTAbe0uNq-VCZDJy_nNcEtc/

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 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\9ccf3e88f8c5dfd642742da82099cbcaa95af5b91cdabd24eba4074fad8e26a2.exe
    "C:\Users\Admin\AppData\Local\Temp\9ccf3e88f8c5dfd642742da82099cbcaa95af5b91cdabd24eba4074fad8e26a2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2632
    • C:\Users\Admin\AppData\Local\Temp\9ccf3e88f8c5dfd642742da82099cbcaa95af5b91cdabd24eba4074fad8e26a2.exe
      "C:\Users\Admin\AppData\Local\Temp\9ccf3e88f8c5dfd642742da82099cbcaa95af5b91cdabd24eba4074fad8e26a2.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1512

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\9ccf3e88f8c5dfd642742da82099cbcaa95af5b91cdabd24eba4074fad8e26a2.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1512-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1512-19-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/1512-18-0x0000000006FB0000-0x0000000007000000-memory.dmp

    Filesize

    320KB

  • memory/1512-16-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/1512-17-0x0000000005A20000-0x0000000005A86000-memory.dmp

    Filesize

    408KB

  • memory/1512-14-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/2632-5-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/2632-8-0x00000000064C0000-0x00000000064D0000-memory.dmp

    Filesize

    64KB

  • memory/2632-9-0x0000000006510000-0x0000000006592000-memory.dmp

    Filesize

    520KB

  • memory/2632-10-0x000000000A320000-0x000000000A3BC000-memory.dmp

    Filesize

    624KB

  • memory/2632-7-0x00000000064B0000-0x00000000064BE000-memory.dmp

    Filesize

    56KB

  • memory/2632-6-0x0000000007E80000-0x0000000007E96000-memory.dmp

    Filesize

    88KB

  • memory/2632-4-0x00000000051B0000-0x00000000051BA000-memory.dmp

    Filesize

    40KB

  • memory/2632-15-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/2632-0-0x000000007449E000-0x000000007449F000-memory.dmp

    Filesize

    4KB

  • memory/2632-3-0x00000000051D0000-0x0000000005262000-memory.dmp

    Filesize

    584KB

  • memory/2632-2-0x00000000056E0000-0x0000000005C84000-memory.dmp

    Filesize

    5.6MB

  • memory/2632-1-0x00000000006F0000-0x00000000007A2000-memory.dmp

    Filesize

    712KB