Overview

overview

10

Static

static

10

f33ce8a56f...b9.exe

windows7_x64

10

f33ce8a56f...b9.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    112s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    01-03-2022 18:14

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    f33ce8a56f6e635e42844edbd03569120d56c28dbb902a87316687667ff6c6b9.exe

  • Size

    252KB

  • MD5

    727f871c6a9151b9c7edd435b2e0a4a0

  • SHA1

    2a857cbe7c20a04cb668045d8f2bb0241ec7a4ce

  • SHA256

    f33ce8a56f6e635e42844edbd03569120d56c28dbb902a87316687667ff6c6b9

  • SHA512

    f95ce1f9b33d38c3ac4e66ad945673c35aa730dacb0bc9426367f28241a79daa9a51ad145526f6aed8034972168ed55cf4e432e1a257fc9a72ca913cb93cb6d4

Score
10/10
44caliberspywarestealer

Malware Config

Extracted

Family

44caliber

C2

https://discordapp.com/api/webhooks/941986689709137930/LKCHnOiVuh0n3jE7BdB9bpDlzvK0fX8pEXx58iWJcCPcde_CC8MD15H7kSkIFx040A5u

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\f33ce8a56f6e635e42844edbd03569120d56c28dbb902a87316687667ff6c6b9.exe
    "C:\Users\Admin\AppData\Local\Temp\f33ce8a56f6e635e42844edbd03569120d56c28dbb902a87316687667ff6c6b9.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3780

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

Loading Replay Monitor...

Downloads

  • memory/3780-130-0x000001ADA9120000-0x000001ADA9166000-memory.dmp
    Filesize

    280KB

    Download
  • memory/3780-131-0x00007FFFD0A93000-0x00007FFFD0A95000-memory.dmp
    Filesize

    8KB

    Download
  • memory/3780-132-0x000001ADAAEF0000-0x000001ADAAEF2000-memory.dmp
    Filesize

    8KB

    Download