Overview

overview

10

Static

static

10

d2fa23ff36...7b.exe

windows7_x64

10

d2fa23ff36...7b.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    113s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    04-05-2022 14:04

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General

  • Target

    d2fa23ff3612073d344a51d35531337b.exe

  • Size

    274KB

  • MD5

    d2fa23ff3612073d344a51d35531337b

  • SHA1

    868935912e8a7b2c2a7fa9953203aa49ed03403d

  • SHA256

    72c486f862e71725ec5b05df3f273fee8ccd02b358d6e817d43e8f7f939980f9

  • SHA512

    637ce0f72f9ed1b9299f2e9b42c6e4fd0f83a7b947e25e82f5ae1b2814cfc11245f348eee9528a9269ef670aff3fcfc6dfe0db3c5b7ccedaad37dcbd7ed6b62d

Score
10/10
44caliberspywarestealer

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/868165756532179044/9Wht5QRwQI22RKhTqTychIaUX8rzws89p6FHzVstwwhhwpV9IhRLu6rdsBCywp4HVXuZ

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\d2fa23ff3612073d344a51d35531337b.exe
    "C:\Users\Admin\AppData\Local\Temp\d2fa23ff3612073d344a51d35531337b.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4632

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/4632-130-0x0000000000930000-0x000000000097A000-memory.dmp
    Filesize

    296KB

    Download
  • memory/4632-131-0x00007FF9F9CB0000-0x00007FF9FA771000-memory.dmp
    Filesize

    10.8MB

    Download