Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-01-2025 01:02

General

  • Target

    facturas y datos bancarios_75653475687564534465345.exe

  • Size

    2.7MB

  • MD5

    5e273002608afde56c1b98c5d66438c4

  • SHA1

    ae2d81db9e03a7b98c3d06c8fe6e53be3d9f12b0

  • SHA256

    2c319e26c9e897be8aaab05e0451c61bc2335f108298898f47168f610f36899d

  • SHA512

    1d9180d89d89f27bf3bb4cbccffd05cdf84ecbdbe6be61656e68069d699e2bcc5da4d5d47bd18f14d5343a34c05a4f2a6120d8de61a20e99f254c199b9842c20

  • SSDEEP

    49152:0bdYAm4zEbdYAm4zXbdYAm4zKbdYAm4zFbdYAm4zB3An3AI3AJ3AuObmMM7qAp:mdrWdrrdrAdr1drlA3AaAtAfy7q

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.controlfire.com.mx
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    0a4XlE=4t8mz

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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.

  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\facturas y datos bancarios_75653475687564534465345.exe
    "C:\Users\Admin\AppData\Local\Temp\facturas y datos bancarios_75653475687564534465345.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:216
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/216-37-0x0000000022520000-0x00000000227D4000-memory.dmp

    Filesize

    2.7MB

  • memory/216-13-0x0000000022520000-0x00000000227D4000-memory.dmp

    Filesize

    2.7MB

  • memory/216-33-0x0000000002200000-0x0000000002208000-memory.dmp

    Filesize

    32KB

  • memory/216-2-0x0000000077102000-0x0000000077103000-memory.dmp

    Filesize

    4KB

  • memory/216-11-0x0000000000460000-0x0000000000560000-memory.dmp

    Filesize

    1024KB

  • memory/216-10-0x0000000000460000-0x0000000000560000-memory.dmp

    Filesize

    1024KB

  • memory/216-9-0x0000000000460000-0x0000000000560000-memory.dmp

    Filesize

    1024KB

  • memory/216-8-0x0000000000460000-0x0000000000560000-memory.dmp

    Filesize

    1024KB

  • memory/216-23-0x0000000022520000-0x00000000227D4000-memory.dmp

    Filesize

    2.7MB

  • memory/216-24-0x0000000022520000-0x00000000227D4000-memory.dmp

    Filesize

    2.7MB

  • memory/216-29-0x0000000022520000-0x00000000227D4000-memory.dmp

    Filesize

    2.7MB

  • memory/216-12-0x0000000022529000-0x000000002252A000-memory.dmp

    Filesize

    4KB

  • memory/216-3-0x00000000021D0000-0x00000000021D1000-memory.dmp

    Filesize

    4KB

  • memory/1936-32-0x0000000001360000-0x0000000001361000-memory.dmp

    Filesize

    4KB

  • memory/1936-34-0x0000000073FAE000-0x0000000073FAF000-memory.dmp

    Filesize

    4KB

  • memory/1936-31-0x0000000077102000-0x0000000077103000-memory.dmp

    Filesize

    4KB

  • memory/1936-35-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1936-36-0x0000000005F10000-0x00000000064B4000-memory.dmp

    Filesize

    5.6MB

  • memory/1936-44-0x0000000073FA0000-0x0000000074750000-memory.dmp

    Filesize

    7.7MB

  • memory/1936-38-0x00000000059D0000-0x0000000005A36000-memory.dmp

    Filesize

    408KB

  • memory/1936-41-0x0000000006C30000-0x0000000006CC2000-memory.dmp

    Filesize

    584KB

  • memory/1936-40-0x0000000006B40000-0x0000000006B90000-memory.dmp

    Filesize

    320KB

  • memory/1936-39-0x0000000073FA0000-0x0000000074750000-memory.dmp

    Filesize

    7.7MB

  • memory/1936-42-0x0000000006BC0000-0x0000000006BCA000-memory.dmp

    Filesize

    40KB

  • memory/1936-43-0x0000000073FAE000-0x0000000073FAF000-memory.dmp

    Filesize

    4KB

  • memory/1936-28-0x0000000000400000-0x0000000000447000-memory.dmp

    Filesize

    284KB