Overview

overview

10

Static

static

10

UnnamedFree.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    12s
  • max time network
    12s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-09-2023 21:22

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General

  • Target

    UnnamedFree.exe

  • Size

    274KB

  • MD5

    78ae73a2befd88689698f392a0df4468

  • SHA1

    f4294f0b07401cada2c4411deda7e2070dd489f4

  • SHA256

    004fbef0b21fbd40bfb0b81356cd8d0423d94a0cf580ab8bc629c5204515e6b7

  • SHA512

    b597feaa687e5c11d1fa72d83b2a772217154311b61894a76009012fa0c29a0f5c5ce6eccde2095d60269f06e1310fbb6b8e4133d392b367cf5101a1bd0a0d88

  • SSDEEP

    6144:Nf+BLtABPDR45GpbeKpwaUxnaGqqlYeJelA1D0Wl1:f4sFKaUxnaslYep1D/1

Score
10/10
44caliberspywarestealer

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/972090409700438017/FHYZJLIDFB1b4XU06S3DBw5xGN0xv6Ab2vtU1t8_ONL8owU3Qa0pE7RqDTsmfc1lxsPy

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\UnnamedFree.exe
    "C:\Users\Admin\AppData\Local\Temp\UnnamedFree.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3076

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:\Users\Admin\AppData\Local\44\Process.txt
    Filesize

    90B

    MD5

    748a752bace6361723571fd845957e97

    SHA1

    bd8afa5989b1613397def5720084f4f70f7ec0b6

    SHA256

    0ce4084c68296dff031f2516ace4c744d32ebf0a07bc590e318c30f10e3c11bf

    SHA512

    f37e47cee21b6f6852345ffb2be11a6782c48255a627e4f1a032f89a19079b0f4d1aa8b145f5237cecce928f8ab1c753a79eefb286e009e101e2c8baab821ffa

    Download Submit
  • C:\Users\Admin\AppData\Local\44\Process.txt
    Filesize

    738B

    MD5

    fc57666171c0013d45aeabb85be4965f

    SHA1

    53d8187e249aa5ee446898543e6b37c1cab6f594

    SHA256

    e29a9f360680619aa925a944203cbddfc7292e906876af24a6696cf51218e165

    SHA512

    b51e3df19ee09a12f4663702b7f3b33de8f1258f0645b4de2b2284448cd4ea0c2f6ee11ce620fe9f07d84c26500a95d8e271f55d2b4e3470a0d8419a7d6ef28c

    Download Submit
  • C:\Users\Admin\AppData\Local\44\Process.txt
    Filesize

    1KB

    MD5

    179d1891821f05fbfc02c6a3b723f2bd

    SHA1

    b7af636f6dfd4fc72a12afd5b13ce45bb2b689a7

    SHA256

    6a5c6921e0a12c9d71e79407728395c4eb51a6fdcb9aa8e3b2cfe949948c0b79

    SHA512

    13af5590b722c953eca05a31c298e5699ed213b954f4f8c7723ac75d09b42e2fe874835652b321ceb070f98a81b2c00436944df1ad6ab4f1ebe4a114bddaa145

    Download Submit
  • memory/3076-0-0x000002262A640000-0x000002262A68A000-memory.dmp
    Filesize

    296KB

    Download
  • memory/3076-32-0x00007FF9A3060000-0x00007FF9A3B21000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/3076-33-0x0000022644BB0000-0x0000022644BC0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3076-123-0x00007FF9A3060000-0x00007FF9A3B21000-memory.dmp
    Filesize

    10.8MB

    Download