General

  • Target

    d5f23f8aba4d574b840365ac6d03bc64.exe

  • Size

    771KB

  • Sample

    210610-kz225zxyy6

  • MD5

    d5f23f8aba4d574b840365ac6d03bc64

  • SHA1

    2b97cb3bc8135ec8ea649ff01cbe5614a89cdd26

  • SHA256

    958bf791886caad7744fe007df2e3134e1f0260b9c86bbc87d42a42ca69c87ff

  • SHA512

    d97c0835fa5a8500846ae7805644bb4d47907515e93b3e1929c0943a8873f3d405027b5175905c652e3ddfeb36f8232ecb34d98808a55b9b78ca1cdf18917af4

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

      d5f23f8aba4d574b840365ac6d03bc64.exe

    • Size

      771KB

    • MD5

      d5f23f8aba4d574b840365ac6d03bc64

    • SHA1

      2b97cb3bc8135ec8ea649ff01cbe5614a89cdd26

    • SHA256

      958bf791886caad7744fe007df2e3134e1f0260b9c86bbc87d42a42ca69c87ff

    • SHA512

      d97c0835fa5a8500846ae7805644bb4d47907515e93b3e1929c0943a8873f3d405027b5175905c652e3ddfeb36f8232ecb34d98808a55b9b78ca1cdf18917af4

    • 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