Analysis

  • max time kernel
    40s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    05-07-2022 12:43

General

  • Target

    ba76b48941747901ed1349301b6c3c9536589f6b8327bd9f7086d8080be944db.exe

  • Size

    207KB

  • MD5

    940d63f67b70b37e7ee662b851ae389b

  • SHA1

    dd0a39ca5e2570dc8909e2732c48e89f2bcd98e7

  • SHA256

    ba76b48941747901ed1349301b6c3c9536589f6b8327bd9f7086d8080be944db

  • SHA512

    f4bc82005f7ce3f7f1bff1cac7e24134a24f5d67cc0882a9677896a0f68e8b459b5956541e8e7305764ffc400b475a9c04191048163c2c142328a8f037f6347b

Malware Config

Extracted

Family

coldstealer

Botnet

18

C2

http://realmoneycreate.xyz/

Signatures

  • Cold Stealer

    An info stealer written in C#, first seen in Feb 2022.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ba76b48941747901ed1349301b6c3c9536589f6b8327bd9f7086d8080be944db.exe
    "C:\Users\Admin\AppData\Local\Temp\ba76b48941747901ed1349301b6c3c9536589f6b8327bd9f7086d8080be944db.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1984

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1984-54-0x0000000000390000-0x00000000003CC000-memory.dmp

    Filesize

    240KB

  • memory/1984-55-0x0000000000230000-0x0000000000236000-memory.dmp

    Filesize

    24KB

  • memory/1984-56-0x00000000004D0000-0x000000000050A000-memory.dmp

    Filesize

    232KB

  • memory/1984-57-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB