Resubmissions

26-10-2021 05:38

211026-gbxwasghb2 10

23-10-2021 15:47

211023-s8gq5acdb8 10

General

  • Target

    ha.exe

  • Size

    4.9MB

  • Sample

    211023-s8gq5acdb8

  • MD5

    2e366651b4505eadbeca48889144f452

  • SHA1

    4c729b09c03f98019c0cf19fd3f22b7500772f3f

  • SHA256

    070798072999f8c0c6bdf3c166e42c2eeb2d50a446d2710a2b581c51dd221b3d

  • SHA512

    6ab6940151b61c03a18b0157e59d4918ac64237cad1f399d0a04d03ecf651145158c84515a2e74a925ea4cc3386b459cc049cd645ec52babc6287ee4127bad5f

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://directorycart.com/upload/

http://tierzahnarzt.at/upload/

http://streetofcards.com/upload/

http://ycdfzd.com/upload/

http://successcoachceo.com/upload/

http://uhvu.cn/upload/

http://japanarticle.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

ChrisNEW

C2

194.104.136.5:46013

Extracted

Family

vidar

Version

41.5

Botnet

933

C2

https://mas.to/@xeroxxx

Attributes
  • profile_id

    933

Extracted

Family

vidar

Version

41.5

Botnet

937

C2

https://mas.to/@xeroxxx

Attributes
  • profile_id

    937

Extracted

Family

raccoon

Botnet

7c9b4504a63ed23664e38808e65948379b790395

Attributes
  • url4cnc

    http://telegka.top/capibar

    http://telegin.top/capibar

    https://t.me/capibar

rc4.plain
rc4.plain

Extracted

Family

djvu

C2

http://rlrz.org/lancer

Targets

    • Target

      ha.exe

    • Size

      4.9MB

    • MD5

      2e366651b4505eadbeca48889144f452

    • SHA1

      4c729b09c03f98019c0cf19fd3f22b7500772f3f

    • SHA256

      070798072999f8c0c6bdf3c166e42c2eeb2d50a446d2710a2b581c51dd221b3d

    • SHA512

      6ab6940151b61c03a18b0157e59d4918ac64237cad1f399d0a04d03ecf651145158c84515a2e74a925ea4cc3386b459cc049cd645ec52babc6287ee4127bad5f

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Modifies Windows Defender Real-time Protection settings

    • NetSupport

      NetSupport is a remote access tool sold as a legitimate system administration software.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • 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

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Zloader, Terdot, DELoader, ZeusSphinx

      Zloader is a malware strain that was initially discovered back in August 2015.

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    • 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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies Installed Components in the registry

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • 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.

    • Drops startup file

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Accesses 2FA software files, possible credential harvesting

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • 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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

2
T1060

Scheduled Task

1
T1053

BITS Jobs

1
T1197

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

5
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

File Permissions Modification

1
T1222

BITS Jobs

1
T1197

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Software Discovery

1
T1518

Query Registry

8
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

8
T1082

Security Software Discovery

1
T1063

Peripheral Device Discovery

2
T1120

Remote System Discovery

1
T1018

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Tasks