Analysis

  • max time kernel
    26s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    16-09-2022 12:03

General

  • Target

    dbeaver-install.exe

  • Size

    689.6MB

  • MD5

    9038cf661fc1d38ac380a7136f2c75bd

  • SHA1

    e5a2182854c1cb12e590b15b533f5e7025954ac8

  • SHA256

    92aa315eccc14f51527282fc52bb8f3ed380d445484457e9ecbb131485180fd8

  • SHA512

    1342b7f9f24e4e6b3bbc1fd18eee1d2e20543c6da38220e7baed7cab1617abc0de6cf88e3895d0ca569a9a10fbf57621d418f9c37d50b1d764a2f17cc05a0e19

  • SSDEEP

    6144:KJeo/N0YO3NExQ7jLF5bZwH4Jz1qcZmx9s:UP/yYO9qQXDJprZx

Malware Config

Extracted

Family

coldstealer

Botnet

Exceptions.log

C2

https://

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.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dbeaver-install.exe
    "C:\Users\Admin\AppData\Local\Temp\dbeaver-install.exe"
    1⤵
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1192

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1192-54-0x00000000010A0000-0x00000000010DE000-memory.dmp
    Filesize

    248KB

  • memory/1192-55-0x0000000000430000-0x0000000000468000-memory.dmp
    Filesize

    224KB