Overview

overview

10

Static

static

10

864834b044...e3.exe

windows7-x64

10

864834b044...e3.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    01-02-2024 07:22

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General

  • Target

    864834b04458cd1d9962be39ff55aee3.exe

  • Size

    275KB

  • MD5

    864834b04458cd1d9962be39ff55aee3

  • SHA1

    984bcaf6e8ed6cc94937116556f8f585cb0f5417

  • SHA256

    f6e4515313b2edc227f40a55d731479f7ef7562b911ffc3f8058bfcf979d544b

  • SHA512

    8518bdc620c8de8f41f2b05aefa81114c0bcba4f7d03ebdcede97edffa1c6c4d7e57bbc0da4fd26642e601a470de91124ac260e50df2c64ec1e95aeb5000ceb2

  • SSDEEP

    6144:qf+BLtABPD9FBWKXsSlrVPl/9rHxlqQy8HRA190DuH:oFsSlrVPlJxlNyh19DH

Score
10/10
44caliberspywarestealer

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/870581345427005441/UjrKmnTLwya1NxpTUmifD6bHBh3H7Mn_MRUKUdVkdaAZA7DCMhJguLjz7KVW5wv2RDfj

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\864834b04458cd1d9962be39ff55aee3.exe
    "C:\Users\Admin\AppData\Local\Temp\864834b04458cd1d9962be39ff55aee3.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2908

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\Roaming\44\Process.txt
    Filesize

    397B

    MD5

    b5a244010bb460649220babcb0665e90

    SHA1

    1fbc99ee507336531f56977b849f76da0774524d

    SHA256

    7962150d431641119583baa7b4250b6ac750681eb79cddeae5aeb2089cf4d5ee

    SHA512

    7502cb69563453429ef9ac68ac34e8eaebb698d661b782ce6e6b388ca0fc6da67c0d4ba5a029f4751da2ed804f4f979705d9cb2135b48010ca910fd7f36b1c51

    Download Submit
  • memory/2908-0-0x0000000000B40000-0x0000000000B8C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/2908-1-0x000007FEF5310000-0x000007FEF5CFC000-memory.dmp
    Filesize

    9.9MB

    Download
  • memory/2908-2-0x000000001B1F0000-0x000000001B270000-memory.dmp
    Filesize

    512KB

    Download
  • memory/2908-48-0x000007FEF5310000-0x000007FEF5CFC000-memory.dmp
    Filesize

    9.9MB

    Download