General

  • Target

    SecuriteInfo.com.Troj.Kryptik-TR.832.4367

  • Size

    746KB

  • Sample

    210603-eg7jvef1ca

  • MD5

    8d93b4ca20dea336647b556294a36ab4

  • SHA1

    f4c3c4e89f53676b7b88280fdf37dba5a237d047

  • SHA256

    8a76004d1a369fe370c6427a17869a59844c131ac485ac7577a41df8f61d13f9

  • SHA512

    8afbe6e21fda9c43ac2337bfc45cf1a3867cd4dd48e076584f23b24ed25908b7d057ae6a824929aabebc98d4832585b329e285045b2eea449f1509f19b91c2e6

Malware Config

Extracted

Family

cryptbot

C2

nimvsw42.top

morpwz04.top

Attributes
  • payload_url

    http://noirsb05.top/download.php?file=lv.exe

Extracted

Family

danabot

Version

1827

Botnet

3

C2

184.95.51.183:443

184.95.51.175:443

192.210.198.12:443

184.95.51.180:443

Attributes
  • embedded_hash

    AEF96B4D339B580ABB737F203C2D0F52

rsa_pubkey.plain
rsa_pubkey.plain

Targets

    • Target

      SecuriteInfo.com.Troj.Kryptik-TR.832.4367

    • Size

      746KB

    • MD5

      8d93b4ca20dea336647b556294a36ab4

    • SHA1

      f4c3c4e89f53676b7b88280fdf37dba5a237d047

    • SHA256

      8a76004d1a369fe370c6427a17869a59844c131ac485ac7577a41df8f61d13f9

    • SHA512

      8afbe6e21fda9c43ac2337bfc45cf1a3867cd4dd48e076584f23b24ed25908b7d057ae6a824929aabebc98d4832585b329e285045b2eea449f1509f19b91c2e6

    • 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