Analysis

  • max time kernel
    20s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/01/2024, 13:46

General

  • Target

    PO88100448.exe

  • Size

    604KB

  • MD5

    f3d87bbd621e791e44ca49cc6fc4ee4e

  • SHA1

    8491a3117e9543078568c8e5457f5c7dc1e874e0

  • SHA256

    9c30c56a6f0350178a1614ec4b8f3d98cc4e250cddf31d55713689981a191a7a

  • SHA512

    dff0e617f3884626144204cfccb244e4d2d1aad11a35cbfc6b67a37a5edc29d1ba89b884768a08eef1a44915b753a3bb52a5e8605235f3b505b3d8b223561176

  • SSDEEP

    12288:bGwoIc06waHKQ+w7vhpVX6glDuvN8sVh8hv5HTxIjKbEC5:6woIc0fQKMJbKgYvN8sTQRzHEC5

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO88100448.exe
    "C:\Users\Admin\AppData\Local\Temp\PO88100448.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1596
    • C:\Users\Admin\AppData\Local\Temp\PO88100448.exe
      "C:\Users\Admin\AppData\Local\Temp\PO88100448.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2180

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO88100448.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1596-8-0x0000000006760000-0x00000000067CA000-memory.dmp

    Filesize

    424KB

  • memory/1596-15-0x00000000751C0000-0x0000000075970000-memory.dmp

    Filesize

    7.7MB

  • memory/1596-5-0x00000000052E0000-0x00000000052EA000-memory.dmp

    Filesize

    40KB

  • memory/1596-0-0x0000000000980000-0x0000000000A1E000-memory.dmp

    Filesize

    632KB

  • memory/1596-1-0x00000000751C0000-0x0000000075970000-memory.dmp

    Filesize

    7.7MB

  • memory/1596-6-0x00000000056F0000-0x0000000005702000-memory.dmp

    Filesize

    72KB

  • memory/1596-7-0x0000000005700000-0x000000000570E000-memory.dmp

    Filesize

    56KB

  • memory/1596-9-0x0000000009170000-0x000000000920C000-memory.dmp

    Filesize

    624KB

  • memory/1596-4-0x0000000005550000-0x0000000005560000-memory.dmp

    Filesize

    64KB

  • memory/1596-3-0x0000000005340000-0x00000000053D2000-memory.dmp

    Filesize

    584KB

  • memory/1596-2-0x0000000005850000-0x0000000005DF4000-memory.dmp

    Filesize

    5.6MB

  • memory/2180-16-0x0000000005610000-0x0000000005620000-memory.dmp

    Filesize

    64KB

  • memory/2180-14-0x00000000751C0000-0x0000000075970000-memory.dmp

    Filesize

    7.7MB

  • memory/2180-10-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2180-13-0x00000000056A0000-0x0000000005706000-memory.dmp

    Filesize

    408KB

  • memory/2180-17-0x0000000006900000-0x0000000006950000-memory.dmp

    Filesize

    320KB

  • memory/2180-18-0x0000000006C20000-0x0000000006DE2000-memory.dmp

    Filesize

    1.8MB

  • memory/2180-19-0x00000000751C0000-0x0000000075970000-memory.dmp

    Filesize

    7.7MB

  • memory/2180-20-0x0000000005610000-0x0000000005620000-memory.dmp

    Filesize

    64KB