Analysis

  • max time kernel
    147s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/06/2024, 02:25

General

  • Target

    CV Elena Alba Garcia.exe

  • Size

    635KB

  • MD5

    af4c4394fd76d48c76265fa7393dbaf1

  • SHA1

    d08fe29a6362e1416ea464766beb2e5120a8d347

  • SHA256

    4c677969cde4b12fede4247e99653415ccf938d98d4958d99af13193cefab844

  • SHA512

    fa0a58d48584e3547c643c5df0f2783ba73d584306630feb4a9abd32f583df48d25339ed964393e12c52717a33168c9e65ea6b58c6e6525d9ed216952a895738

  • SSDEEP

    12288:Ia9PJCwxBS/ktL8picnoYgwkSpX3MBdkFIyFLkEseB7U5UjJJ++BzqyJM:ICPJCwi/+L84tSpHMBqGydkEseB4eJ+I

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6398508790:AAFROO4FvHYek5_hchyogAsV7yTvxfINRRg/

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\CV Elena Alba Garcia.exe
    "C:\Users\Admin\AppData\Local\Temp\CV Elena Alba Garcia.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2156
    • C:\Users\Admin\AppData\Local\Temp\CV Elena Alba Garcia.exe
      "C:\Users\Admin\AppData\Local\Temp\CV Elena Alba Garcia.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\CV Elena Alba Garcia.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/2156-8-0x00000000062F0000-0x0000000006300000-memory.dmp

    Filesize

    64KB

  • memory/2156-1-0x0000000000670000-0x0000000000716000-memory.dmp

    Filesize

    664KB

  • memory/2156-3-0x0000000005120000-0x00000000051B2000-memory.dmp

    Filesize

    584KB

  • memory/2156-5-0x0000000074A60000-0x0000000075210000-memory.dmp

    Filesize

    7.7MB

  • memory/2156-4-0x00000000050F0000-0x00000000050FA000-memory.dmp

    Filesize

    40KB

  • memory/2156-6-0x0000000005370000-0x0000000005386000-memory.dmp

    Filesize

    88KB

  • memory/2156-7-0x00000000062E0000-0x00000000062EE000-memory.dmp

    Filesize

    56KB

  • memory/2156-0-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

    Filesize

    4KB

  • memory/2156-2-0x0000000005630000-0x0000000005BD4000-memory.dmp

    Filesize

    5.6MB

  • memory/2156-9-0x0000000006350000-0x00000000063D2000-memory.dmp

    Filesize

    520KB

  • memory/2156-10-0x0000000008E20000-0x0000000008EBC000-memory.dmp

    Filesize

    624KB

  • memory/2156-14-0x0000000074A60000-0x0000000075210000-memory.dmp

    Filesize

    7.7MB

  • memory/2932-17-0x0000000074A60000-0x0000000075210000-memory.dmp

    Filesize

    7.7MB

  • memory/2932-15-0x0000000074A60000-0x0000000075210000-memory.dmp

    Filesize

    7.7MB

  • memory/2932-16-0x0000000005490000-0x00000000054F6000-memory.dmp

    Filesize

    408KB

  • memory/2932-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2932-18-0x0000000006BD0000-0x0000000006C20000-memory.dmp

    Filesize

    320KB

  • memory/2932-19-0x0000000074A60000-0x0000000075210000-memory.dmp

    Filesize

    7.7MB