Overview

overview

10

Static

static

SecuriteIn...81.exe

windows7_x64

10

SecuriteIn...81.exe

windows10_x64

10

Analysis

  • max time kernel
    109s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    26-11-2020 10:47

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General

  • Target

    SecuriteInfo.com.Variant.Bulz.233365.3916.19181.exe

  • Size

    633KB

  • MD5

    47f90575c21bffd769880ab07803d12d

  • SHA1

    7711458983aef786e8807f8252b78b49fae27032

  • SHA256

    ec6609022ecc725ca1b77d8e968d79cda6beedc90c3480c7fc0ca8682a40269c

  • SHA512

    95c70e7bf7718d1fea37776c4281118b639e512a0255779a734c953f67f7ae32e1b3925d85d628b92c839781010ef89bf243575d9d4ef6892cbb85627eb516b6

Score
10/10
agentteslakeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

C2

http://baharanvilla.ir/wp-includes/z/inc/d51b6e0eedd7ee.php

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 2 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

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

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

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

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

    spyware
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Looks up external IP address via web service 2 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Bulz.233365.3916.19181.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Bulz.233365.3916.19181.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:644
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Bulz.233365.3916.19181.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Bulz.233365.3916.19181.exe"
      2⤵
      • Drops file in Drivers directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3816

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\SecuriteInfo.com.Variant.Bulz.233365.3916.19181.exe.log
    MD5

    967abe5620b867a6f8c54bcbb8871b5f

    SHA1

    abc1e96d8141d5c86e7a9ed9ed719c752a566f33

    SHA256

    31761bff606583fa18939c07ee6112cacbc80ba2caa85ff9f36fe25676e2ad75

    SHA512

    52b6c3c2beb8eceb512240f8fbadf92cceddb4134a9c865a893876018f0f6bf782ab6210bcf97b7ab5837feeef95ea4cb17c871c010a1c7d8f477cd9a5b9ae64

    Download Submit
  • memory/644-5-0x0000000004F90000-0x0000000004F91000-memory.dmp
    Filesize

    4KB

    Download
  • memory/644-775-0x000000001C110000-0x000000001C126000-memory.dmp
    Filesize

    88KB

    Download
  • memory/644-4-0x0000000004EF0000-0x0000000004EF1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/644-0-0x0000000073DC0000-0x00000000744AE000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/644-6-0x0000000006A00000-0x0000000006A54000-memory.dmp
    Filesize

    336KB

    Download
  • memory/644-772-0x000000001B1F0000-0x000000001B1F1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/644-3-0x0000000005500000-0x0000000005501000-memory.dmp
    Filesize

    4KB

    Download
  • memory/644-774-0x000000001B330000-0x000000001B331000-memory.dmp
    Filesize

    4KB

    Download
  • memory/644-773-0x000000001B1B0000-0x000000001B1B1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/644-1-0x00000000004C0000-0x00000000004C1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3816-777-0x00000000004376FE-mapping.dmp
    Download
  • memory/3816-776-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

    Download
  • memory/3816-779-0x0000000073DC0000-0x00000000744AE000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/3816-783-0x0000000005360000-0x0000000005361000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3816-784-0x0000000005E00000-0x0000000005E01000-memory.dmp
    Filesize

    4KB

    Download