General

  • Target

    737d02c261755ff5c920fa52d4f03fce.exe

  • Size

    758KB

  • Sample

    210727-xj6a66lkn2

  • MD5

    737d02c261755ff5c920fa52d4f03fce

  • SHA1

    bf966e82d41c1fe537763339fa779e3ba9236331

  • SHA256

    50f41c07db1d0d625cd0746a78dc15a1193f4fd0f80e6a4df40315f24efe2110

  • SHA512

    83f0abaacb5c470d31372d97a0aae5e64bfbb73c401341e71be9d65984346d4ea68cae09a400f36567daf604e81db4d3806dfffbf5e2c4668e8c079688382bfb

Malware Config

Extracted

Family

cryptbot

C2

ewaisg12.top

morvay01.top

Attributes
  • payload_url

    http://winezo01.top/download.php?file=lv.exe

Extracted

Family

danabot

Version

1987

Botnet

4

C2

142.11.244.124:443

142.11.206.50:443

Attributes
  • embedded_hash

    6AD9FE4F9E491E785665E0D144F61DAB

rsa_privkey.plain
rsa_pubkey.plain

Targets

    • Target

      737d02c261755ff5c920fa52d4f03fce.exe

    • Size

      758KB

    • MD5

      737d02c261755ff5c920fa52d4f03fce

    • SHA1

      bf966e82d41c1fe537763339fa779e3ba9236331

    • SHA256

      50f41c07db1d0d625cd0746a78dc15a1193f4fd0f80e6a4df40315f24efe2110

    • SHA512

      83f0abaacb5c470d31372d97a0aae5e64bfbb73c401341e71be9d65984346d4ea68cae09a400f36567daf604e81db4d3806dfffbf5e2c4668e8c079688382bfb

    • 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.

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • 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

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks