General

  • Target

    6D2FF3CC83EA214E33E4105CCB1051CD85B82E052F615.exe

  • Size

    7.3MB

  • Sample

    211123-1w9kdabdck

  • MD5

    131ac3c2f0495a301363e79f69c133e3

  • SHA1

    c46b747d456bb5d805d005df6c6166fe546d4da1

  • SHA256

    6d2ff3cc83ea214e33e4105ccb1051cd85b82e052f6152d7f252667f2f5a5ecb

  • SHA512

    fc1ae5f07ed8207a49f5bd24e10090ba5a27ed743b05704fdf1d0c45f726108eb6d0cb075f4acf000e2b6b616e37cf3972f47aa4aee8b9ac43d8d1bcfbcf9c05

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

      6D2FF3CC83EA214E33E4105CCB1051CD85B82E052F615.exe

    • Size

      7.3MB

    • MD5

      131ac3c2f0495a301363e79f69c133e3

    • SHA1

      c46b747d456bb5d805d005df6c6166fe546d4da1

    • SHA256

      6d2ff3cc83ea214e33e4105ccb1051cd85b82e052f6152d7f252667f2f5a5ecb

    • SHA512

      fc1ae5f07ed8207a49f5bd24e10090ba5a27ed743b05704fdf1d0c45f726108eb6d0cb075f4acf000e2b6b616e37cf3972f47aa4aee8b9ac43d8d1bcfbcf9c05

    • 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

    • suricata: ET MALWARE ClipBanker Variant Activity (POST)

      suricata: ET MALWARE ClipBanker Variant Activity (POST)

    • suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin

      suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin

    • 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

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

1
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

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

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks