General

  • Target

    NEAS.fe6064e70c302549004b15d0f89c94776ab0e1ce0c8b6be604e52f4d7beac73dexe.exe

  • Size

    6MB

  • Sample

    231204-t26bkscg61

  • MD5

    ddf2aea0506931c450cf907bf002e9e0

  • SHA1

    1eb6a7713b2956bad228a2d22b82b28578741c35

  • SHA256

    fe6064e70c302549004b15d0f89c94776ab0e1ce0c8b6be604e52f4d7beac73d

  • SHA512

    3f948981838f6380bfb2ccf6fe5400928bfa2867b6d86c78b7d8d22c5cd028aa8115415b4a9e1e7fd0d932bb2ae776c3e9c6d212fbfffea0e1ca1ec4bb93c2a8

  • SSDEEP

    196608:RWBi7WP9GeDVI5DKBWZlkgJedYs6LtYdEhqTgKDO:ROsWPkYVI5DK2NNs6LtYdEhSp

Malware Config

Extracted

Family

amadey

Version

4.12

C2

http://185.172.128.19

Attributes
  • install_dir

    cd1f156d67

  • install_file

    Utsysc.exe

  • strings_key

    0dd3e5ee91b367c60c9e575983554b30

  • url_paths

    /ghsdh39s/index.php

rc4.plain

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Targets

    • Target

      NEAS.fe6064e70c302549004b15d0f89c94776ab0e1ce0c8b6be604e52f4d7beac73dexe.exe

    • Size

      6MB

    • MD5

      ddf2aea0506931c450cf907bf002e9e0

    • SHA1

      1eb6a7713b2956bad228a2d22b82b28578741c35

    • SHA256

      fe6064e70c302549004b15d0f89c94776ab0e1ce0c8b6be604e52f4d7beac73d

    • SHA512

      3f948981838f6380bfb2ccf6fe5400928bfa2867b6d86c78b7d8d22c5cd028aa8115415b4a9e1e7fd0d932bb2ae776c3e9c6d212fbfffea0e1ca1ec4bb93c2a8

    • SSDEEP

      196608:RWBi7WP9GeDVI5DKBWZlkgJedYs6LtYdEhqTgKDO:ROsWPkYVI5DK2NNs6LtYdEhSp

    • Amadey

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

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

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

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Checks BIOS information in registry

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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.

    • Checks whether UAC is enabled

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

1
T1112

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Tasks