Overview

overview

10

Static

static

$35@@#.exe

windows7_x64

10

$35@@#.exe

windows10_x64

10

Analysis

  • max time kernel
    115s
  • max time network
    123s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    27-07-2021 20:03

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General

  • Target

    $35@@#.exe

  • Size

    516KB

  • MD5

    fe61f0a471b697d0c381c64eddf3649c

  • SHA1

    bb8575caccc983a10f86de8c86e5e6598b993b27

  • SHA256

    412991e242a1a3b4325e9d22e9158880214f13fd0db68c8509fab47d4f09c9d5

  • SHA512

    6b279820631cd2d86d4e545a18b9dd1cedf81bfe921fbcddb8c042a9f64e2883c75acae047f770e15e4d01d0524f0d6de16de8dcf44428e06b382cfb138f78d0

Score
10/10
agentteslakeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1815802853:AAFwTZ6mRU-UOmcTcCR8glZAAkNmzHpMkL8/sendDocument

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 3 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spywarestealer
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$35@@#.exe
    "C:\Users\Admin\AppData\Local\Temp\$35@@#.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3492
    • C:\Users\Admin\AppData\Local\Temp\$35@@#.exe
      C:\Users\Admin\AppData\Local\Temp\$35@@#.exe
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3696

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Lateral Movement

Collection

Data from Local System

3
T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\$35@@#.exe.log
    MD5

    9e7845217df4a635ec4341c3d52ed685

    SHA1

    d65cb39d37392975b038ce503a585adadb805da5

    SHA256

    d60e596ed3d5c13dc9f1660e6d870d99487e1383891437645c4562a9ecaa8c9b

    SHA512

    307c3b4d4f2655bdeb177e7b9c981ca27513618903f02c120caa755c9da5a8dd03ebab660b56108a680720a97c1e9596692490aede18cc4bd77b9fc3d8e68aa1

    Download Submit
  • memory/3492-118-0x0000000004CE0000-0x0000000004CE1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3492-117-0x0000000004D70000-0x0000000004D71000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3492-114-0x0000000000420000-0x0000000000421000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3492-119-0x0000000004CD0000-0x00000000051CE000-memory.dmp
    Filesize

    5.0MB

    Download
  • memory/3492-120-0x0000000007030000-0x0000000007089000-memory.dmp
    Filesize

    356KB

    Download
  • memory/3492-125-0x00000000073A0000-0x0000000007415000-memory.dmp
    Filesize

    468KB

    Download
  • memory/3492-116-0x00000000051D0000-0x00000000051D1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3696-126-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

    Download
  • memory/3696-127-0x000000000043773E-mapping.dmp
    Download
  • memory/3696-132-0x0000000005380000-0x0000000005381000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3696-133-0x00000000051D0000-0x00000000056CE000-memory.dmp
    Filesize

    5.0MB

    Download
  • memory/3696-134-0x0000000005620000-0x0000000005621000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3696-135-0x0000000005EC0000-0x0000000005EC1000-memory.dmp
    Filesize

    4KB

    Download