General

  • Target

    fb660cd8294a2f697bc610d746833d91.exe

  • Size

    760KB

  • Sample

    210726-9fqwywaw6a

  • MD5

    fb660cd8294a2f697bc610d746833d91

  • SHA1

    e9cfc83ec806592a49bd094e2bbc07c937e0c9e2

  • SHA256

    28877275c2c938f24cd0bf43f2c0cef090c58b7a85a988b2f6dff4970660b07d

  • SHA512

    10da1e75c4aeb3df811dd22a2da4528227f8d7350bfa5992ef6cc4f3f8822e2c7ffdf897040635c1476f95b0112f13376be7cb849a8dea81455db73056329c92

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

      fb660cd8294a2f697bc610d746833d91.exe

    • Size

      760KB

    • MD5

      fb660cd8294a2f697bc610d746833d91

    • SHA1

      e9cfc83ec806592a49bd094e2bbc07c937e0c9e2

    • SHA256

      28877275c2c938f24cd0bf43f2c0cef090c58b7a85a988b2f6dff4970660b07d

    • SHA512

      10da1e75c4aeb3df811dd22a2da4528227f8d7350bfa5992ef6cc4f3f8822e2c7ffdf897040635c1476f95b0112f13376be7cb849a8dea81455db73056329c92

    • 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

    • Adds Run key to start application

    • 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

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

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