General

  • Target

    28043B9D96A6D54044950BCA23633AB601DCFDBE4305B.exe

  • Size

    6.3MB

  • Sample

    211231-vs5t5ahah8

  • MD5

    2da8ab89fff4bfc1be98d577169e3cf8

  • SHA1

    5379737ccaf546c86fe92ee92e49afaa2eef1bee

  • SHA256

    28043b9d96a6d54044950bca23633ab601dcfdbe4305bd18f624209e974d4e14

  • SHA512

    d66421b77efee5b7338bf877243afdec0e4e9023ef3671ac69bc789f53688d9c74c8ed99486f53609ff0b8fb2848dd2f30ba46e40386a0c829bcaf4d8782a97c

Malware Config

Extracted

Family

socelars

C2

http://www.iyiqian.com/

http://www.hbgents.top/

http://www.rsnzhy.com/

http://www.znsjis.top/

Extracted

Family

redline

Botnet

jamesfuck

C2

65.108.20.195:6774

Extracted

Family

smokeloader

Version

2020

C2

http://gmpeople.com/upload/

http://mile48.com/upload/

http://lecanardstsornin.com/upload/

http://m3600.com/upload/

http://camasirx.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

ANI

C2

45.142.215.47:27643

Targets

    • Target

      28043B9D96A6D54044950BCA23633AB601DCFDBE4305B.exe

    • Size

      6.3MB

    • MD5

      2da8ab89fff4bfc1be98d577169e3cf8

    • SHA1

      5379737ccaf546c86fe92ee92e49afaa2eef1bee

    • SHA256

      28043b9d96a6d54044950bca23633ab601dcfdbe4305bd18f624209e974d4e14

    • SHA512

      d66421b77efee5b7338bf877243afdec0e4e9023ef3671ac69bc789f53688d9c74c8ed99486f53609ff0b8fb2848dd2f30ba46e40386a0c829bcaf4d8782a97c

    • Modifies Windows Defender Real-time Protection settings

    • Process spawned unexpected child process

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

    • 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 NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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

    • 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.

    • Checks whether UAC is enabled

    • 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.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

    • 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

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks