Analysis

  • max time kernel
    121s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2023 03:27

General

  • Target

    0cf2dcd52ddaba73e7ee554ef42c4328.exe

  • Size

    599KB

  • MD5

    0cf2dcd52ddaba73e7ee554ef42c4328

  • SHA1

    927011a0a7f2e6cacfa671e9833b80ad27f75cfb

  • SHA256

    e85e95fb39da06e23c5a3826863cd7e8092303c7dc2f033782077acb72fc7f75

  • SHA512

    e8938d32c579b340465cfbd3c58cc76780e710678aa93d5281cfbfc9986b9d839417b08ce726c1893979140abc937bf736269835e7ac46958cf6bdf2cdf5a168

  • SSDEEP

    12288:XGGD7aY51GkWnntfPMoZNWY44Z2GzLAF2mtxryrlv1QD3EIqD:XGGD7JjGnntftZND44Z2hF2Wyl

Malware Config

Signatures

  • 44Caliber

    An open source infostealer written in C#.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0cf2dcd52ddaba73e7ee554ef42c4328.exe
    "C:\Users\Admin\AppData\Local\Temp\0cf2dcd52ddaba73e7ee554ef42c4328.exe"
    1⤵
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2548

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2548-0-0x0000000001130000-0x00000000011D0000-memory.dmp
    Filesize

    640KB

  • memory/2548-1-0x0000000000150000-0x0000000000156000-memory.dmp
    Filesize

    24KB

  • memory/2548-2-0x000007FEF5CE0000-0x000007FEF66CC000-memory.dmp
    Filesize

    9.9MB

  • memory/2548-3-0x000000001AF70000-0x000000001AFF0000-memory.dmp
    Filesize

    512KB

  • memory/2548-4-0x000000001AFF0000-0x000000001B0CA000-memory.dmp
    Filesize

    872KB

  • memory/2548-5-0x0000000000160000-0x0000000000166000-memory.dmp
    Filesize

    24KB

  • memory/2548-67-0x000007FEF5CE0000-0x000007FEF66CC000-memory.dmp
    Filesize

    9.9MB