Overview

overview

10

Static

static

10

616b975815...0b.exe

windows7-x64

10

616b975815...0b.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    17-01-2024 01:45

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General

  • Target

    616b975815ad492b5140808909a6b70b.exe

  • Size

    274KB

  • MD5

    616b975815ad492b5140808909a6b70b

  • SHA1

    78040b08d3937ba80ddaef3773cfe9caa861e8a5

  • SHA256

    ef36a160c8635bfd24a01d8bda1b9c2fc790ea1c9838caa6be7b83ff5fea2771

  • SHA512

    5e1df86b31926c3198a4d389bf0394023a5958fd401cd16aaad3b0efbdc3930273e74198cb6f389c27c0bf87f0fc8773737341d307bbc34109a56be2e2605d56

  • SSDEEP

    6144:7f+BLtABPD9FhST/JP9ruWhSg41V6GIeyXGRA1D0XcI:1FGP9ruWjY69eyXL1D/I

Score
10/10
44caliberspywarestealer

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/873841563778813972/5dEent_d3goCqGTPSzCw7iLShnu_tiyfTGpjs7mChr2lUPh4mIxJRrrYWAb_emPwBGNb

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\616b975815ad492b5140808909a6b70b.exe
    "C:\Users\Admin\AppData\Local\Temp\616b975815ad492b5140808909a6b70b.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2848

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

    c8fc277c3b288d856c75bbc030eae7ee

    SHA1

    23efa3624514475837d8c905250ff82f9abd84d2

    SHA256

    8e3dee76f2281ffa51e904f26f3d3d7094d0bb57fd7fc848af3398473a67f769

    SHA512

    1455d8003a27e47f2ae01fa455d662076ef3427ceebe9826250c6c6aae54fc6699d79bbae7b2390015f3fac640889bf2b85557d19cb0cf60ce9c76163be4b821

    Download Submit
  • memory/2848-0-0x0000000000170000-0x00000000001BA000-memory.dmp
    Filesize

    296KB

    Download
  • memory/2848-1-0x000007FEF5430000-0x000007FEF5E1C000-memory.dmp
    Filesize

    9.9MB

    Download
  • memory/2848-2-0x000000001ADB0000-0x000000001AE30000-memory.dmp
    Filesize

    512KB

    Download
  • memory/2848-48-0x000007FEF5430000-0x000007FEF5E1C000-memory.dmp
    Filesize

    9.9MB

    Download