Overview

overview

10

Static

static

10

c2c088a08d...16.exe

windows7_x64

10

c2c088a08d...16.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    01-03-2022 18:13

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General

  • Target

    c2c088a08dc0e9eb10547ab1410ef700a1e10c4e72f2510fb0e24e9d17eaee16.exe

  • Size

    274KB

  • MD5

    5d3d4afde93c6324c9809216b9abe59e

  • SHA1

    8fce953f0fd66ac17a4863363f51900436e8c4b1

  • SHA256

    c2c088a08dc0e9eb10547ab1410ef700a1e10c4e72f2510fb0e24e9d17eaee16

  • SHA512

    b38fa09b4f558d725210fb6b68fd057f1f7c3d3c6152e1dbf6f4e8423947b8cf240780d635a610f9d4924be17f1bfbcf61d95fc97d7237716de0dbc6a49e0351

Score
10/10
44caliberspywarestealer

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/934355069707632650/hyRrt61MYA7c28dna-Ut-5vdx9SFhuIF4DtPfr4D2euROzHDvZidTGp3k0E9xTPSm2kN

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\c2c088a08dc0e9eb10547ab1410ef700a1e10c4e72f2510fb0e24e9d17eaee16.exe
    "C:\Users\Admin\AppData\Local\Temp\c2c088a08dc0e9eb10547ab1410ef700a1e10c4e72f2510fb0e24e9d17eaee16.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1616

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/1616-55-0x000007FEF5933000-0x000007FEF5934000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1616-56-0x0000000000CD0000-0x0000000000D1A000-memory.dmp
    Filesize

    296KB

    Download
  • memory/1616-57-0x000000001B330000-0x000000001B332000-memory.dmp
    Filesize

    8KB

    Download