Overview

overview

10

Static

static

3

812730ab78...49.exe

windows7-x64

10

812730ab78...49.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    138s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-01-2024 23:35

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General

  • Target

    812730ab78b75e54447cc2cef657f049.exe

  • Size

    1.2MB

  • MD5

    812730ab78b75e54447cc2cef657f049

  • SHA1

    74b23bbf12f837211fb10153b9297f7a4d22080f

  • SHA256

    cbd7ccd03a3a3be29a706140db118e3236bf9c1e661faa3484d7eeb7595320fb

  • SHA512

    4a1f1db3a9c5147bd57cd8610f3621f2c6f8113336fc649636f7fd2987751be44d363196dd3f105bc27179abdfcd0bb45b34e2ca9395b12467ca4f07563fd155

  • SSDEEP

    24576:aWONscvqS0UDwzUYhwNf7Pqby1NYYVLs1OhqaBYIhuKtXUUKgVs:nOucv0JzTGBEaLI1qB4KtXUBgV

Score
10/10
44caliberspywarestealer

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/880153662645735455/ykvlzZ1p3W0sqQLzdINgrSNgQACh5-eayADFlIFVAXdkj6t4sAsGJjlgezM8GeSm7XVe

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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\812730ab78b75e54447cc2cef657f049.exe
    "C:\Users\Admin\AppData\Local\Temp\812730ab78b75e54447cc2cef657f049.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:4496
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 1356
      2⤵
      • Program crash
      PID:3536
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4496 -ip 4496
    1⤵
      PID:820

    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

    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/4496-0-0x0000000000BD0000-0x0000000000F88000-memory.dmp
      Filesize

      3.7MB

      Download
    • memory/4496-1-0x0000000074670000-0x0000000074E20000-memory.dmp
      Filesize

      7.7MB

      Download
    • memory/4496-2-0x0000000000BD0000-0x0000000000F88000-memory.dmp
      Filesize

      3.7MB

      Download
    • memory/4496-3-0x0000000005C90000-0x0000000005CA0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/4496-38-0x0000000000BD0000-0x0000000000F88000-memory.dmp
      Filesize

      3.7MB

      Download
    • memory/4496-39-0x0000000074670000-0x0000000074E20000-memory.dmp
      Filesize

      7.7MB

      Download