Overview

overview

10

Static

static

10

UnnamedFree.exe

windows7-x64

10

UnnamedFree.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    120s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    10-10-2023 20:29

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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:2472

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:\ProgramData\44\Process.txt
    Filesize

    376B

    MD5

    583ecb13fd0527530a04a2cef30f2028

    SHA1

    082d2984c122fe9ee20a4a0f2f5f8f28f924afe5

    SHA256

    8fa22ce333fd46d7443a2eb24dc13e130f107ab49a01a9576a2f0721edf3d72d

    SHA512

    45e9e4873f4a35b5458d1325bbc824147bbcfc78930cd9ef10a8cfa82216b50c15be24da2a693df2c1833f3fdb1d93d520e63b880be81c4de9031d490db7a351

    Download Submit
  • memory/2472-0-0x00000000009A0000-0x00000000009EA000-memory.dmp
    Filesize

    296KB

    Download
  • memory/2472-1-0x000007FEF5B10000-0x000007FEF64FC000-memory.dmp
    Filesize

    9.9MB

    Download
  • memory/2472-2-0x0000000002150000-0x00000000021D0000-memory.dmp
    Filesize

    512KB

    Download
  • memory/2472-21-0x000007FEF5B10000-0x000007FEF64FC000-memory.dmp
    Filesize

    9.9MB

    Download
  • memory/2472-49-0x0000000002150000-0x00000000021D0000-memory.dmp
    Filesize

    512KB

    Download
  • memory/2472-51-0x000007FEF5B10000-0x000007FEF64FC000-memory.dmp
    Filesize

    9.9MB

    Download