General

  • Target

    f855a98d4367685b38e0c961627ef029.exe

  • Size

    671KB

  • Sample

    201202-r3gg35hyr2

  • MD5

    f855a98d4367685b38e0c961627ef029

  • SHA1

    f111814ebf9950785a8e932627abfae9c3ec24ef

  • SHA256

    37cb831726dc1877ea59cf5618e4fa224368bbd64a7047dec6fb554a6a17d4c2

  • SHA512

    c3e295ac5f46c8400ebe9846eaddea93b06f4023cc36751654ae9ff73f4dc0e33510fbe4ef2ebf9ff24328ac316158b77560620ad6db8d4dc8791756b1e7386c

Malware Config

Extracted

Family

danabot

Version

1732

Botnet

3

C2

104.227.34.227:443

64.188.20.187:443

51.195.73.129:443

176.123.2.249:443

Attributes
  • embedded_hash

    6266E79288DFE2AE2C2DB47563C7F93A

rsa_pubkey.plain
rsa_pubkey.plain

Targets

    • Target

      f855a98d4367685b38e0c961627ef029.exe

    • Size

      671KB

    • MD5

      f855a98d4367685b38e0c961627ef029

    • SHA1

      f111814ebf9950785a8e932627abfae9c3ec24ef

    • SHA256

      37cb831726dc1877ea59cf5618e4fa224368bbd64a7047dec6fb554a6a17d4c2

    • SHA512

      c3e295ac5f46c8400ebe9846eaddea93b06f4023cc36751654ae9ff73f4dc0e33510fbe4ef2ebf9ff24328ac316158b77560620ad6db8d4dc8791756b1e7386c

    • Danabot

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

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Detected Stratum cryptominer command

      Looks to be attempting to contact Stratum mining pool.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • XMRig Miner Payload

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Deletes itself

    • Drops startup file

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • 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.

    • Drops desktop.ini file(s)

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Hidden Files and Directories

1
T1158

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Hidden Files and Directories

1
T1158

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks