General

  • Target

    416e85c0a86fbe8a3e874b3119e208e6003891a34b64dfe4d3c2cc3211fab4f5

  • Size

    369KB

  • Sample

    210623-7qp6s57166

  • MD5

    331b8604ba1ee60396d11c0ccd628ebb

  • SHA1

    637fde23551e378a3fcbecb64c64b8e51ece23b2

  • SHA256

    416e85c0a86fbe8a3e874b3119e208e6003891a34b64dfe4d3c2cc3211fab4f5

  • SHA512

    c55f673ae5a2c19e75585ef124161d72ac83959e8606e397388271290058f3ea4810a7ec39a00d8053138bf26ea96402e8dbe13bca186ec71fc8257442ec82c6

Malware Config

Extracted

Family

redline

C2

185.215.113.50:43919

Extracted

Family

cryptbot

C2

cypgvt32.top

morkyl03.top

Attributes
  • payload_url

    http://dugyly04.top/download.php?file=lv.exe

Extracted

Family

redline

Botnet

MIX 23.06

C2

185.215.113.17:18597

Targets

    • Target

      416e85c0a86fbe8a3e874b3119e208e6003891a34b64dfe4d3c2cc3211fab4f5

    • Size

      369KB

    • MD5

      331b8604ba1ee60396d11c0ccd628ebb

    • SHA1

      637fde23551e378a3fcbecb64c64b8e51ece23b2

    • SHA256

      416e85c0a86fbe8a3e874b3119e208e6003891a34b64dfe4d3c2cc3211fab4f5

    • SHA512

      c55f673ae5a2c19e75585ef124161d72ac83959e8606e397388271290058f3ea4810a7ec39a00d8053138bf26ea96402e8dbe13bca186ec71fc8257442ec82c6

    • CryptBot

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

    • CryptBot Payload

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine Payload

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Deletes itself

    • Loads dropped DLL

    • 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

    • Suspicious use of SetThreadContext

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

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks