General

  • Target

    1A263B2603212FF1E492D9E0C718F12601789E27EAABA.exe

  • Size

    3.0MB

  • Sample

    210801-nblrclnsta

  • MD5

    dafa83d84b03fcfac9730d199c122b96

  • SHA1

    49f0f9a195c39023bd72414bdf907815a9a453d6

  • SHA256

    1a263b2603212ff1e492d9e0c718f12601789e27eaaba9a7a7048b4080c08bcb

  • SHA512

    a96b153b271b586d700e10ff512d053e8b6951d32b2f9fbf0175d55d923c37f775a1cb87ffc6e009d074de22d76992f066f014b4be7d5e96ad65ec0b7d5452d2

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://ppcspb.com/upload/

http://mebbing.com/upload/

http://twcamel.com/upload/

http://howdycash.com/upload/

http://lahuertasonora.com/upload/

http://kpotiques.com/upload/

rc4.i32
rc4.i32

Extracted

Family

vidar

Version

39.4

Botnet

706

C2

https://sergeevih43.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

redline

Botnet

5k_BLACK_HOLE

C2

45.14.49.117:14251

Extracted

Family

redline

Botnet

30_7_rz

C2

zertypelil.xyz:80

Extracted

Family

redline

Botnet

forinstalls

C2

77.220.213.35:52349

Targets

    • Target

      1A263B2603212FF1E492D9E0C718F12601789E27EAABA.exe

    • Size

      3.0MB

    • MD5

      dafa83d84b03fcfac9730d199c122b96

    • SHA1

      49f0f9a195c39023bd72414bdf907815a9a453d6

    • SHA256

      1a263b2603212ff1e492d9e0c718f12601789e27eaaba9a7a7048b4080c08bcb

    • SHA512

      a96b153b271b586d700e10ff512d053e8b6951d32b2f9fbf0175d55d923c37f775a1cb87ffc6e009d074de22d76992f066f014b4be7d5e96ad65ec0b7d5452d2

    • Modifies Windows Defender Real-time Protection settings

    • 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.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars Payload

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

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

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • 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.

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Tasks