Overview

overview

10

Static

static

10

Updata.exe

windows7-x64

10

Updata.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    136s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-05-2024 15:22

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General

  • Target

    Updata.exe

  • Size

    303KB

  • MD5

    fa8baa8b5f5e19777e1b20104defff51

  • SHA1

    a17922c107c303693489530dbfa3bb20afc24e59

  • SHA256

    42538f0378843cc317f37ff9731b8c917f6763d811c0fde29bac25b759402f47

  • SHA512

    4e2478795dacfe440860f03c8b0e318f238b2d2e09e278c995b49a90415ff275c87645f3d22cbff6102e5db683d4d98f0ef13abb6002eb19c647f86ec8d69d62

  • SSDEEP

    6144:4/oT6MDdbICydeBrdEGHpcJWbu6JmA1D0mGW:4/WJEGHpQWaa1DsW

Score
10/10
44caliberspywarestealer

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1239246319751528579/IYIQqMQxDmDpiYnpeLyqY8m4ky9T5uSTQX5CVjPoiRejTrVzBHNdk_JlDhnNu15EaRmp

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.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 39 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Updata.exe
    "C:\Users\Admin\AppData\Local\Temp\Updata.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4512
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4944

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

Peripheral Device Discovery

1
T1120

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

  • memory/4512-0-0x000001D0B8DA0000-0x000001D0B8DF2000-memory.dmp
    Filesize

    328KB

    Download
  • memory/4512-1-0x00007FF99C6E3000-0x00007FF99C6E5000-memory.dmp
    Filesize

    8KB

    Download
  • memory/4512-31-0x00007FF99C6E0000-0x00007FF99D1A1000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/4512-32-0x00007FF99C6E0000-0x00007FF99D1A1000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/4944-33-0x00000186443E0000-0x00000186443E1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/4944-35-0x00000186443E0000-0x00000186443E1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/4944-34-0x00000186443E0000-0x00000186443E1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/4944-43-0x00000186443E0000-0x00000186443E1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/4944-45-0x00000186443E0000-0x00000186443E1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/4944-44-0x00000186443E0000-0x00000186443E1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/4944-42-0x00000186443E0000-0x00000186443E1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/4944-41-0x00000186443E0000-0x00000186443E1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/4944-40-0x00000186443E0000-0x00000186443E1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/4944-39-0x00000186443E0000-0x00000186443E1000-memory.dmp
    Filesize

    4KB

    Download