General

  • Target

    SecuriteInfo.com.Troj.Kryptik-TR.16136.15513

  • Size

    772KB

  • Sample

    210610-nmy391dska

  • MD5

    229903595a55a697324606e02ff2aa12

  • SHA1

    7ee8fae04fd9a0e7bd2fefbe4e8be8fb1502e01c

  • SHA256

    4fc37a3bc71ca1d695614e44a9867b13ae3ec30c0f0434dc2cf797772705b34e

  • SHA512

    e19684fb25468b23cc74a3c34d49a0707b82c63b1e450e1f0ddb5aa1ddca286e2223538ac8099f18001d09c2746d9942cbf1b35d4c19c414f638656b596a6463

Malware Config

Extracted

Family

cryptbot

C2

olmyad42.top

morsen04.top

Attributes
  • payload_url

    http://vamcrq06.top/download.php?file=lv.exe

Extracted

Family

danabot

Version

1827

Botnet

3

C2

192.210.198.12:443

37.220.31.50:443

184.95.51.183:443

184.95.51.175:443

Attributes
  • embedded_hash

    410EB249B3A3D8613B29638D583F7193

rsa_pubkey.plain
rsa_pubkey.plain

Targets

    • Target

      SecuriteInfo.com.Troj.Kryptik-TR.16136.15513

    • Size

      772KB

    • MD5

      229903595a55a697324606e02ff2aa12

    • SHA1

      7ee8fae04fd9a0e7bd2fefbe4e8be8fb1502e01c

    • SHA256

      4fc37a3bc71ca1d695614e44a9867b13ae3ec30c0f0434dc2cf797772705b34e

    • SHA512

      e19684fb25468b23cc74a3c34d49a0707b82c63b1e450e1f0ddb5aa1ddca286e2223538ac8099f18001d09c2746d9942cbf1b35d4c19c414f638656b596a6463

    • CryptBot

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

    • CryptBot Payload

    • Danabot

      Danabot is a modular banking Trojan that has been linked with other malware.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Drops startup file

    • 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

    • 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