Overview

overview

10

Static

static

10

66c68a3d95...b9.exe

windows7-x64

10

66c68a3d95...b9.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    135s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-08-2024 09:56

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General

  • Target

    66c68a3d95d231010e91deed9676b68a529955d8cd44e41fd6dc55a19143acb9.exe

  • Size

    303KB

  • MD5

    f5a2f1da8fcc5e51cc8eec426fa3e545

  • SHA1

    da3c79d8d5e6584d3adbd71912291d18681ee109

  • SHA256

    66c68a3d95d231010e91deed9676b68a529955d8cd44e41fd6dc55a19143acb9

  • SHA512

    ea3f4b03b149f97e500679d0667b5c1c7b66db242ef27c8520f4b86a5e706ca8424d49ec154cebe90ec1643bbe1a4c5f5e82261ec5f77137e408e8428bc13ec9

  • SSDEEP

    6144:HtBuT6MDdbICydeBPKqCBu19FsN6LmA1D0CKU:HtaSqCBu/Few1DUU

Score
10/10
44calibercredential_accessspywarestealer

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1259819169050923028/FgFc46vkD5YoeeRf3p_mErGG96JCipzz-kU6-Gb301GlKvAaNpgaDswVn7i9JLTzy5-c

Signatures

  • 44Caliber

    An open source infostealer written in C#.

    stealer44caliber
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

    credential_accessstealer
  • 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 behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\66c68a3d95d231010e91deed9676b68a529955d8cd44e41fd6dc55a19143acb9.exe
    "C:\Users\Admin\AppData\Local\Temp\66c68a3d95d231010e91deed9676b68a529955d8cd44e41fd6dc55a19143acb9.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4444
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3840,i,8231329449558834090,4540802069600791165,262144 --variations-seed-version --mojo-platform-channel-handle=1308 /prefetch:8
    1⤵
      PID:4008

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Credential Access

    Credentials from Password Stores

    1
    T1555

    Credentials from Web Browsers

    1
    T1555.003

    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/4444-0-0x00007FFBEE5B3000-0x00007FFBEE5B5000-memory.dmp
      Filesize

      8KB

      Download
    • memory/4444-1-0x0000025DB21D0000-0x0000025DB2222000-memory.dmp
      Filesize

      328KB

      Download
    • memory/4444-10-0x00007FFBEE5B0000-0x00007FFBEF071000-memory.dmp
      Filesize

      10.8MB

      Download
    • memory/4444-29-0x00007FFBEE5B0000-0x00007FFBEF071000-memory.dmp
      Filesize

      10.8MB

      Download