Overview

overview

10

Static

static

SecuriteIn...86.exe

windows7_x64

10

SecuriteIn...86.exe

windows10_x64

10

Analysis

  • max time kernel
    81s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    20-04-2021 13:02

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General

  • Target

    SecuriteInfo.com.Variant.Bulz.440290.18036.1686.exe

  • Size

    245KB

  • MD5

    a4326b69873c799207e4c9d30c2ed3ac

  • SHA1

    ee9d604c54a4450a6bfa071a2f23aaae5114e680

  • SHA256

    0299ed3db28516997c3a162def5ee464a25485241b4eb8cf2a0d3f21fd498f72

  • SHA512

    f26a406e6b7de5e93c70024fb6642140598eebba38ebc79a3f81219a68a29dbec06f67b716faffc67be0a0f6c3378ca9218f9edbd8e74374d2e0e8ef096d6330

Score
10/10
snakekeyloggerkeyloggerpersistencespywarestealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:     smtp
  • Host:
    nobettwo.xyz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    O^1)7]oEv=*a

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

    stealerkeyloggersnakekeylogger
  • Snake Keylogger 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
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Bulz.440290.18036.1686.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Bulz.440290.18036.1686.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4436
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Bulz.440290.18036.1686.exe
      C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Bulz.440290.18036.1686.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:8

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

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.440290.18036.1686.exe.log
    MD5

    808e884c00533a9eb0e13e64960d9c3a

    SHA1

    279d05181fc6179a12df1a669ff5d8b64c1380ae

    SHA256

    2f6a0aab99b1c228a6642f44f8992646ce84c5a2b3b9941b6cf1f2badf67bdd6

    SHA512

    9489bdb2ffdfeef3c52edcfe9b34c6688eba53eb86075e0564df1cd474723c86b5b5aedc12df1ff5fc12cf97bd1e3cf9701ff61dc4ce90155d70e9ccfd0fc299

    Download Submit
  • memory/8-126-0x00000000054A0000-0x000000000599E000-memory.dmp
    Filesize

    5.0MB

    Download
  • memory/8-119-0x0000000000400000-0x000000000046A000-memory.dmp
    Filesize

    424KB

    Download
  • memory/8-120-0x000000000046475E-mapping.dmp
    Download
  • memory/8-124-0x00000000059A0000-0x00000000059A1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/8-125-0x0000000005540000-0x0000000005541000-memory.dmp
    Filesize

    4KB

    Download
  • memory/8-127-0x0000000006610000-0x0000000006611000-memory.dmp
    Filesize

    4KB

    Download
  • memory/8-128-0x0000000006950000-0x0000000006951000-memory.dmp
    Filesize

    4KB

    Download
  • memory/8-129-0x0000000006820000-0x0000000006821000-memory.dmp
    Filesize

    4KB

    Download
  • memory/8-130-0x0000000006600000-0x0000000006601000-memory.dmp
    Filesize

    4KB

    Download
  • memory/4436-117-0x0000000001070000-0x0000000001072000-memory.dmp
    Filesize

    8KB

    Download
  • memory/4436-118-0x0000000005DA0000-0x0000000005DE2000-memory.dmp
    Filesize

    264KB

    Download
  • memory/4436-116-0x0000000005300000-0x0000000005301000-memory.dmp
    Filesize

    4KB

    Download
  • memory/4436-114-0x0000000000A40000-0x0000000000A41000-memory.dmp
    Filesize

    4KB

    Download