Overview

overview

10

Static

static

3

66ee6d3be4...f4.exe

windows7-x64

10

66ee6d3be4...f4.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    19-01-2024 06:29

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General

  • Target

    66ee6d3be4bf4eac3f989b15c84290f4.exe

  • Size

    1.2MB

  • MD5

    66ee6d3be4bf4eac3f989b15c84290f4

  • SHA1

    1eb48fc2d5b17d0c7ff4c94cd49912468c0a6a07

  • SHA256

    2f763b2468d091bc960bd4317cfed1675304662edae5255da5ef4dfc42e62c1b

  • SHA512

    0d293136306bf437e2dff862b5e8e90a9e0c84d7efdc1d4fd12c2aed288b3ec78a8c127082302282e3789bc21d9efe206184c6ed5d6681ccc2318a6c122ca3d1

  • SSDEEP

    24576:IZxrK1d73cWL62qMgqiz6aTCM1C6gHQUb6TPHRvlVk7V0:uxeHbcWDNiFTZ1CzkLHRTk7V

Score
10/10
44caliberspywarestealer

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/865584147081461791/cXeUQZDXCjKWrkaJ-3bJrhl6uSAZJXWp5_eKWccL93qrJuspqXX11np6a1xVpZdvlvsU

Signatures

  • 44Caliber

    An open source infostealer written in C#.

    stealer44caliber
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
    spyware
  • 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 NtSetInformationThreadHideFromDebugger 2 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\66ee6d3be4bf4eac3f989b15c84290f4.exe
    "C:\Users\Admin\AppData\Local\Temp\66ee6d3be4bf4eac3f989b15c84290f4.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2944

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • C:\ProgramData\44\Process.txt
    Filesize

    397B

    MD5

    d05867b613a6f1da4152186fc670e95f

    SHA1

    dd8827ccd0f640f5482fe73e4ba585e62372efb7

    SHA256

    f9cbcf7a28bbeea361ac61ba2d1e0249076727892e40447991ace455d5b75f0d

    SHA512

    1c44557d165d74b120da895c38df8de18d95f7688005c4156d262ba712e713d76771ca96d3cf78c6384b1e3eba1d6595e6c737b538a1adecf390336be2b4f062

    Download Submit
  • memory/2944-0-0x0000000000100000-0x00000000004AA000-memory.dmp
    Filesize

    3.7MB

    Download
  • memory/2944-2-0x0000000074170000-0x000000007485E000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/2944-1-0x0000000000100000-0x00000000004AA000-memory.dmp
    Filesize

    3.7MB

    Download
  • memory/2944-3-0x0000000005250000-0x0000000005290000-memory.dmp
    Filesize

    256KB

    Download
  • memory/2944-53-0x0000000000100000-0x00000000004AA000-memory.dmp
    Filesize

    3.7MB

    Download
  • memory/2944-54-0x0000000074170000-0x000000007485E000-memory.dmp
    Filesize

    6.9MB

    Download