Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-03-2024 10:54

General

  • Target

    3.exe

  • Size

    615KB

  • MD5

    9dc0d0adc6b1e95b3ba91fc4c28a9c8d

  • SHA1

    ccaf7a99a6d9410c5a24c0f1d08b4097397260af

  • SHA256

    5fd7aaecea93b94823aa67414bf4314bd1f19c8e8ca44ea569210bffbc623f55

  • SHA512

    e789069810edcf65511e8e9e1622b2752d419761ba1be9c37cd8fef2941aa8f17906910f9339112a2929ba44227a3673181a6c5170872b73acaec0bdd0859462

  • SSDEEP

    12288:AjNa5WCtH1iKIR78Ex+DKv4gFlJW1izZLbxQS+VqPWhOCsqgkc:IHsit82+mwAlJjZLtJ6yWhYR

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ipr-co.org
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    IPRco@100102@

Extracted

Family

agenttesla

Credentials

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3.exe
    "C:\Users\Admin\AppData\Local\Temp\3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Users\Admin\AppData\Local\Temp\3.exe
      "C:\Users\Admin\AppData\Local\Temp\3.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1532

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1532-10-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/1532-19-0x0000000005950000-0x0000000005960000-memory.dmp
    Filesize

    64KB

  • memory/1532-18-0x0000000074780000-0x0000000074F30000-memory.dmp
    Filesize

    7.7MB

  • memory/1532-17-0x00000000065A0000-0x00000000065F0000-memory.dmp
    Filesize

    320KB

  • memory/1532-16-0x00000000058D0000-0x0000000005936000-memory.dmp
    Filesize

    408KB

  • memory/1532-15-0x0000000005950000-0x0000000005960000-memory.dmp
    Filesize

    64KB

  • memory/1532-13-0x0000000074780000-0x0000000074F30000-memory.dmp
    Filesize

    7.7MB

  • memory/1628-8-0x0000000005B30000-0x0000000005BB2000-memory.dmp
    Filesize

    520KB

  • memory/1628-9-0x0000000008100000-0x000000000819C000-memory.dmp
    Filesize

    624KB

  • memory/1628-0-0x0000000000390000-0x0000000000430000-memory.dmp
    Filesize

    640KB

  • memory/1628-7-0x0000000005080000-0x000000000508C000-memory.dmp
    Filesize

    48KB

  • memory/1628-14-0x0000000074780000-0x0000000074F30000-memory.dmp
    Filesize

    7.7MB

  • memory/1628-6-0x0000000004E10000-0x0000000004E22000-memory.dmp
    Filesize

    72KB

  • memory/1628-5-0x0000000004ED0000-0x0000000004EDA000-memory.dmp
    Filesize

    40KB

  • memory/1628-4-0x0000000004F80000-0x0000000004F90000-memory.dmp
    Filesize

    64KB

  • memory/1628-3-0x0000000004E30000-0x0000000004EC2000-memory.dmp
    Filesize

    584KB

  • memory/1628-2-0x00000000053E0000-0x0000000005984000-memory.dmp
    Filesize

    5.6MB

  • memory/1628-1-0x0000000074780000-0x0000000074F30000-memory.dmp
    Filesize

    7.7MB