Analysis

  • max time kernel
    88s
  • max time network
    92s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    16-06-2022 03:04

General

  • Target

    27dcc564f8046d08fc9f5e359b020c42870a3e110349bc9f21bc8860b262a3b9.exe

  • Size

    611KB

  • MD5

    8c0ce9d5caf531a0039d4ed5505d9710

  • SHA1

    fa91478a0047c6468a60ada42fc96798da5c37a9

  • SHA256

    27dcc564f8046d08fc9f5e359b020c42870a3e110349bc9f21bc8860b262a3b9

  • SHA512

    bf9255bd61a71f26a9b35b14580eb4561b5f70af6126898f31eb5b101cd3cd7033c2a5ca757bd85964daaa7bb32d7bc68c3a5e9be7e7843c03d87fcd896e0836

Malware Config

Extracted

Family

vidar

Version

5

Botnet

212

C2

http://kolobkoproms.ug/

Attributes
  • profile_id

    212

Signatures

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar log file 1 IoCs

    Detects a log file produced by Vidar.

  • Vidar Stealer 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Looks up external IP address via web service 1 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • 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 WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\27dcc564f8046d08fc9f5e359b020c42870a3e110349bc9f21bc8860b262a3b9.exe
    "C:\Users\Admin\AppData\Local\Temp\27dcc564f8046d08fc9f5e359b020c42870a3e110349bc9f21bc8860b262a3b9.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Program Files (x86)\CompanySmartApp\SmartApp\uninstaller_2019-01-15_00-11.exe
      "C:\Program Files (x86)\CompanySmartApp\SmartApp\uninstaller_2019-01-15_00-11.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:844
    • C:\Program Files (x86)\CompanySmartApp\SmartApp\PQwick.exe
      "C:\Program Files (x86)\CompanySmartApp\SmartApp\PQwick.exe"
      2⤵
      • Executes dropped EXE
      PID:1712

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\CompanySmartApp\SmartApp\PQwick.exe
    Filesize

    9KB

    MD5

    9f1bfbaa1847fd86468110641203177d

    SHA1

    20a9bce11a93fe34a41867c7a9a8690c47f63a7d

    SHA256

    fdc58112eee9720dcf14aa82864ed103c927059350e09c58ed82b40d31c9b04d

    SHA512

    3fa28e51ae3c856b866ea6c720377a33b1651aeaba74c7fbe9a585ba248a5696d8dd36a6f4182ad38d2eb4afcf35362cb4dbe3a7d6591c21e5d944a4c8404134

  • C:\Program Files (x86)\CompanySmartApp\SmartApp\PQwick.exe
    Filesize

    9KB

    MD5

    9f1bfbaa1847fd86468110641203177d

    SHA1

    20a9bce11a93fe34a41867c7a9a8690c47f63a7d

    SHA256

    fdc58112eee9720dcf14aa82864ed103c927059350e09c58ed82b40d31c9b04d

    SHA512

    3fa28e51ae3c856b866ea6c720377a33b1651aeaba74c7fbe9a585ba248a5696d8dd36a6f4182ad38d2eb4afcf35362cb4dbe3a7d6591c21e5d944a4c8404134

  • C:\Program Files (x86)\CompanySmartApp\SmartApp\uninstaller_2019-01-15_00-11.exe
    Filesize

    655KB

    MD5

    065400d837304643618e73761198566b

    SHA1

    c236aa043d6acaf5c60d3557a8228b4874069666

    SHA256

    f7cdc62d7a8a01e78cc33700d0ad32eb20e8bc6cfc3cfe252a6ad973b626db76

    SHA512

    54cccda36859c79071aa46c05727f6db9ca8424b11465b155bb847e20f0333de7195b9ca22d1560c788ba5458b6a8141cf8012057da8a047a97446e62efe259a

  • C:\Program Files (x86)\CompanySmartApp\SmartApp\uninstaller_2019-01-15_00-11.exe
    Filesize

    655KB

    MD5

    065400d837304643618e73761198566b

    SHA1

    c236aa043d6acaf5c60d3557a8228b4874069666

    SHA256

    f7cdc62d7a8a01e78cc33700d0ad32eb20e8bc6cfc3cfe252a6ad973b626db76

    SHA512

    54cccda36859c79071aa46c05727f6db9ca8424b11465b155bb847e20f0333de7195b9ca22d1560c788ba5458b6a8141cf8012057da8a047a97446e62efe259a

  • \Program Files (x86)\CompanySmartApp\SmartApp\PQwick.exe
    Filesize

    9KB

    MD5

    9f1bfbaa1847fd86468110641203177d

    SHA1

    20a9bce11a93fe34a41867c7a9a8690c47f63a7d

    SHA256

    fdc58112eee9720dcf14aa82864ed103c927059350e09c58ed82b40d31c9b04d

    SHA512

    3fa28e51ae3c856b866ea6c720377a33b1651aeaba74c7fbe9a585ba248a5696d8dd36a6f4182ad38d2eb4afcf35362cb4dbe3a7d6591c21e5d944a4c8404134

  • \Program Files (x86)\CompanySmartApp\SmartApp\uninstaller_2019-01-15_00-11.exe
    Filesize

    655KB

    MD5

    065400d837304643618e73761198566b

    SHA1

    c236aa043d6acaf5c60d3557a8228b4874069666

    SHA256

    f7cdc62d7a8a01e78cc33700d0ad32eb20e8bc6cfc3cfe252a6ad973b626db76

    SHA512

    54cccda36859c79071aa46c05727f6db9ca8424b11465b155bb847e20f0333de7195b9ca22d1560c788ba5458b6a8141cf8012057da8a047a97446e62efe259a

  • \Program Files (x86)\CompanySmartApp\SmartApp\uninstaller_2019-01-15_00-11.exe
    Filesize

    655KB

    MD5

    065400d837304643618e73761198566b

    SHA1

    c236aa043d6acaf5c60d3557a8228b4874069666

    SHA256

    f7cdc62d7a8a01e78cc33700d0ad32eb20e8bc6cfc3cfe252a6ad973b626db76

    SHA512

    54cccda36859c79071aa46c05727f6db9ca8424b11465b155bb847e20f0333de7195b9ca22d1560c788ba5458b6a8141cf8012057da8a047a97446e62efe259a

  • \Program Files (x86)\CompanySmartApp\SmartApp\uninstaller_2019-01-15_00-11.exe
    Filesize

    655KB

    MD5

    065400d837304643618e73761198566b

    SHA1

    c236aa043d6acaf5c60d3557a8228b4874069666

    SHA256

    f7cdc62d7a8a01e78cc33700d0ad32eb20e8bc6cfc3cfe252a6ad973b626db76

    SHA512

    54cccda36859c79071aa46c05727f6db9ca8424b11465b155bb847e20f0333de7195b9ca22d1560c788ba5458b6a8141cf8012057da8a047a97446e62efe259a

  • \Program Files (x86)\CompanySmartApp\SmartApp\uninstaller_2019-01-15_00-11.exe
    Filesize

    655KB

    MD5

    065400d837304643618e73761198566b

    SHA1

    c236aa043d6acaf5c60d3557a8228b4874069666

    SHA256

    f7cdc62d7a8a01e78cc33700d0ad32eb20e8bc6cfc3cfe252a6ad973b626db76

    SHA512

    54cccda36859c79071aa46c05727f6db9ca8424b11465b155bb847e20f0333de7195b9ca22d1560c788ba5458b6a8141cf8012057da8a047a97446e62efe259a

  • memory/844-70-0x0000000000400000-0x00000000004AC000-memory.dmp
    Filesize

    688KB

  • memory/844-69-0x0000000000641000-0x0000000000698000-memory.dmp
    Filesize

    348KB

  • memory/844-56-0x0000000000000000-mapping.dmp
  • memory/844-72-0x0000000000400000-0x00000000004AC000-memory.dmp
    Filesize

    688KB

  • memory/1652-54-0x0000000076461000-0x0000000076463000-memory.dmp
    Filesize

    8KB

  • memory/1712-59-0x0000000000000000-mapping.dmp
  • memory/1712-67-0x0000000000300000-0x0000000000308000-memory.dmp
    Filesize

    32KB

  • memory/1712-71-0x00000000003D0000-0x0000000000410000-memory.dmp
    Filesize

    256KB

  • memory/1712-73-0x00000000003D0000-0x0000000000410000-memory.dmp
    Filesize

    256KB