General

  • Target

    44E401AAF0B52528AA033257C1A1B8A09A2B10EDF26ED.exe

  • Size

    4.3MB

  • Sample

    211123-w9gpasbaap

  • MD5

    f71b1d3ea310fd69dd1dbaca46a0c1e4

  • SHA1

    083aac1d03eeafd27753a23b3037f6cd4e0cd007

  • SHA256

    44e401aaf0b52528aa033257c1a1b8a09a2b10edf26edaafcef0f45a2c40e885

  • SHA512

    4a71df60bf72e11dbb5a7064195281c0081d28a437e59739ced98dd5f59fbe8f73ef8926e1627697816e7ae50a84570a73262285c7b27d886682aa674437f68c

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

jamesoldd

C2

65.108.20.195:6774

Extracted

Family

redline

Botnet

ANI

C2

45.142.215.47:27643

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

Targets

    • Target

      44E401AAF0B52528AA033257C1A1B8A09A2B10EDF26ED.exe

    • Size

      4.3MB

    • MD5

      f71b1d3ea310fd69dd1dbaca46a0c1e4

    • SHA1

      083aac1d03eeafd27753a23b3037f6cd4e0cd007

    • SHA256

      44e401aaf0b52528aa033257c1a1b8a09a2b10edf26edaafcef0f45a2c40e885

    • SHA512

      4a71df60bf72e11dbb5a7064195281c0081d28a437e59739ced98dd5f59fbe8f73ef8926e1627697816e7ae50a84570a73262285c7b27d886682aa674437f68c

    • 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

    • suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin M2

      suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin M2

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • 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.

    • 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

1
T1112

Disabling Security Tools

1
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks