Analysis

  • max time kernel
    27s
  • max time network
    68s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    25-02-2023 22:26

General

  • Target

    319157bf510e966d20d5129f1966ece7cb18c2d3d781a31a95f0af3be5926749.exe

  • Size

    5MB

  • MD5

    deb9c6e9c058071ebf52521065a75018

  • SHA1

    d3f54b15504de1a55d26a5753f1254c5c42fadec

  • SHA256

    319157bf510e966d20d5129f1966ece7cb18c2d3d781a31a95f0af3be5926749

  • SHA512

    404d63f29db4b8edf4f5b73442e8e0c4dd58829b57bd2a75149d07acbd105cc9958429231f7f42dfb514824b62c7990d03913fbfd54d2e16273fd406e380be37

  • SSDEEP

    49152:7Zg+YZ4PyxV4maKAUerq93kBis7q9mMts5lfarmNP78xMng+HEvLV+io6B5i5lSy:fFsaAnc6ZcIUk+r

Malware Config

Signatures

  • Luca Stealer

    Info stealer written in Rust first seen in July 2022.

  • 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 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\319157bf510e966d20d5129f1966ece7cb18c2d3d781a31a95f0af3be5926749.exe
    "C:\Users\Admin\AppData\Local\Temp\319157bf510e966d20d5129f1966ece7cb18c2d3d781a31a95f0af3be5926749.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1140
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1140 -s 1096
      2⤵
      • Program crash
      PID:624

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\logscx\sensfiles.zip
    Filesize

    5MB

    MD5

    9c717bff827bbb8351875c3643e9ce3b

    SHA1

    b2059c8c87e4aa9cf5b2b8f185000b154800435d

    SHA256

    8921d68a59f54a24f0c32f003a6a17e805418badc748696d11d799c22271429f

    SHA512

    c49ec0f2045117c322ea3ec8ad6e7726f255761687629ff4ac5bf1a0e55aba837b437c55fe2cdf513bf62641c8fbc96c1a0a60e66c47fe36379da793b212d324