General

  • Target

    SecuriteInfo.com.Trojan.PWS.Siggen2.63733.4520.11539

  • Size

    644KB

  • Sample

    210327-bhd2f9smta

  • MD5

    b68f0ee033a8cd19ce47f6ae4f0eaee4

  • SHA1

    129e9dd019f62810a669b29bf44e3eca485c9c5a

  • SHA256

    2ce81e2dd2330f10eb414e56222cd1ba4c26591381f07e199b08f623b8c4b8f9

  • SHA512

    bf152424f47b407ce990ade08d784d33bae18c0747622eb4df97455d901b54b7e5053cb0823e31f8b79905f2da86ac29440a035493299b19d54ed1b6de9e1fdb

Malware Config

Extracted

Family

cryptbot

C2

bafoe62.top

morurt06.top

Attributes
  • payload_url

    http://akpgi08.top/download.php?file=lv.exe

Targets

    • Target

      SecuriteInfo.com.Trojan.PWS.Siggen2.63733.4520.11539

    • Size

      644KB

    • MD5

      b68f0ee033a8cd19ce47f6ae4f0eaee4

    • SHA1

      129e9dd019f62810a669b29bf44e3eca485c9c5a

    • SHA256

      2ce81e2dd2330f10eb414e56222cd1ba4c26591381f07e199b08f623b8c4b8f9

    • SHA512

      bf152424f47b407ce990ade08d784d33bae18c0747622eb4df97455d901b54b7e5053cb0823e31f8b79905f2da86ac29440a035493299b19d54ed1b6de9e1fdb

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

    • CryptBot Payload

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks