General

  • Target

    1a80e3a1d4ef34d96498ed07c4e8c9ec.exe

  • Size

    2.0MB

  • Sample

    201202-4vw88hm8q6

  • MD5

    1a80e3a1d4ef34d96498ed07c4e8c9ec

  • SHA1

    f79b1bc1a153924917ec9d0790d0d3c4191f6aae

  • SHA256

    b87a93613d0004b0d07eb302e75cd7030cb2a4bf466e92cec234e0abd8e6e727

  • SHA512

    f40051deb924e2d1ff324e64394fd47da24cd75d2c771ec3e320133cb0b091c90d3f55bd475bdfe9893528e529176ff124849175a65ac6a3982f996fa9f6376c

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

      1a80e3a1d4ef34d96498ed07c4e8c9ec.exe

    • Size

      2.0MB

    • MD5

      1a80e3a1d4ef34d96498ed07c4e8c9ec

    • SHA1

      f79b1bc1a153924917ec9d0790d0d3c4191f6aae

    • SHA256

      b87a93613d0004b0d07eb302e75cd7030cb2a4bf466e92cec234e0abd8e6e727

    • SHA512

      f40051deb924e2d1ff324e64394fd47da24cd75d2c771ec3e320133cb0b091c90d3f55bd475bdfe9893528e529176ff124849175a65ac6a3982f996fa9f6376c

    • 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