Overview

overview

10

Static

static

10

f4e2d60c89...8c.exe

windows7_x64

10

f4e2d60c89...8c.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    01-03-2022 18:14

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General

  • Target

    f4e2d60c89b54fb08cc1c076c24ddc32eb9c76edd755d0482393ece4ec7cc88c.exe

  • Size

    274KB

  • MD5

    12f3e4333d55b5d594b92ce287f07cba

  • SHA1

    cd61c5c8d69eae04e6664fc73de00b321cd6e0ad

  • SHA256

    f4e2d60c89b54fb08cc1c076c24ddc32eb9c76edd755d0482393ece4ec7cc88c

  • SHA512

    db636c9840e7848c42c848378bd67f7b709ec8ed23054e52b91c1a83a87016fd6aa13a88d2255d3f7513f339cd47caca9b7b3539164d0d5c0c8599862d7a6417

Score
10/10
44caliberspywarestealer

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/944694495864324096/JxSzUctA9w9IsAKny1lOVf3Zmy8rRcGtIlJwQG2L-mP1ThdvUPHl6Hed3NdVLXwrPJ4m

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 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\f4e2d60c89b54fb08cc1c076c24ddc32eb9c76edd755d0482393ece4ec7cc88c.exe
    "C:\Users\Admin\AppData\Local\Temp\f4e2d60c89b54fb08cc1c076c24ddc32eb9c76edd755d0482393ece4ec7cc88c.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:860
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k wusvcs -p
    1⤵
      PID:2708

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Credential Access

    Credentials in Files

    2
    T1081

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Data from Local System

    2
    T1005

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • memory/860-133-0x00000192D4450000-0x00000192D449A000-memory.dmp
      Filesize

      296KB

      Download
    • memory/860-134-0x00007FFAB0E63000-0x00007FFAB0E65000-memory.dmp
      Filesize

      8KB

      Download
    • memory/860-135-0x00000192D6260000-0x00000192D6262000-memory.dmp
      Filesize

      8KB

      Download