General

  • Target

    23062BA932165210EBB3FFCD15474E79F19E6AD74869F.exe

  • Size

    5.3MB

  • Sample

    211124-z413jadffk

  • MD5

    3061d94f78c4863d55f07dcc83e71b10

  • SHA1

    55493f963965be9cfbef19a09f56fbc5b979d821

  • SHA256

    23062ba932165210ebb3ffcd15474e79f19e6ad74869ff43923a0795b5072ccd

  • SHA512

    8dc491b288e958d168ec8425c015807220a6ec7675f149835df924f1d360c5afa937c6d79cd5c03b717049564bc2ca5d25ec4fcbd39817cddc3c7fe6dbd8fb4b

Malware Config

Extracted

Family

socelars

C2

http://www.iyiqian.com/

http://www.hbgents.top/

http://www.rsnzhy.com/

http://www.znsjis.top/

http://www.ecgbg.com/

Extracted

Family

redline

Botnet

UDP

C2

45.9.20.20:13441

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

1

C2

185.183.98.2:80

Targets

    • Target

      23062BA932165210EBB3FFCD15474E79F19E6AD74869F.exe

    • Size

      5.3MB

    • MD5

      3061d94f78c4863d55f07dcc83e71b10

    • SHA1

      55493f963965be9cfbef19a09f56fbc5b979d821

    • SHA256

      23062ba932165210ebb3ffcd15474e79f19e6ad74869ff43923a0795b5072ccd

    • SHA512

      8dc491b288e958d168ec8425c015807220a6ec7675f149835df924f1d360c5afa937c6d79cd5c03b717049564bc2ca5d25ec4fcbd39817cddc3c7fe6dbd8fb4b

    • 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

    • 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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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.

    • 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

    • 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 SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

1
T1089

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

5
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