General

  • Target

    42c7e0e48a3d7c575057835b5a0a1914.exe

  • Size

    259KB

  • Sample

    211023-2pypzacdf2

  • MD5

    42c7e0e48a3d7c575057835b5a0a1914

  • SHA1

    c6c74becdcb1cac408df8a1095e92f099f3670a9

  • SHA256

    e3ed1dda5777f5cd585829d39bdcc898a2596dc5395ca7228b82226d183cf39c

  • SHA512

    fe63edd5811aa382de164a931310b77a38ed21b4a1ed6810a5e83cd5e8ca1f24e7d31f20c95d7855a61c30fe5db3483ad677d634e25632aa7b5db559af6b5c38

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://gejajoo7.top/

http://sysaheu9.top/

http://xacokuo8.top/

http://hajezey1.top/

rc4.i32
rc4.i32

Extracted

Family

amadey

Version

2.70

C2

185.215.113.45/g4MbvE/index.php

Targets

    • Target

      42c7e0e48a3d7c575057835b5a0a1914.exe

    • Size

      259KB

    • MD5

      42c7e0e48a3d7c575057835b5a0a1914

    • SHA1

      c6c74becdcb1cac408df8a1095e92f099f3670a9

    • SHA256

      e3ed1dda5777f5cd585829d39bdcc898a2596dc5395ca7228b82226d183cf39c

    • SHA512

      fe63edd5811aa382de164a931310b77a38ed21b4a1ed6810a5e83cd5e8ca1f24e7d31f20c95d7855a61c30fe5db3483ad677d634e25632aa7b5db559af6b5c38

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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.

    • Checks whether UAC is enabled

    • 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

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Tasks