General

  • Target

    0337E24C1287C195321A477CB6B71AB3.exe

  • Size

    15KB

  • Sample

    210809-2sjj5tsemn

  • MD5

    0337e24c1287c195321a477cb6b71ab3

  • SHA1

    145823c8665a1761c41b7b1c699b242badf553d5

  • SHA256

    26e94627a3abe752072319b8eca4f68029a27090f89de5b92d4f700fc0f4f0b2

  • SHA512

    97303432aaec89988991d8489868e92ad6153e7a2a9addac3af275e01671562fc71931d65d805ec17ef3379d72c56e313cea3fbf58b40b71d6a18e14ed3a5459

Malware Config

Extracted

Family

redline

Botnet

UPD

C2

193.56.146.78:54955

Targets

    • Target

      0337E24C1287C195321A477CB6B71AB3.exe

    • Size

      15KB

    • MD5

      0337e24c1287c195321a477cb6b71ab3

    • SHA1

      145823c8665a1761c41b7b1c699b242badf553d5

    • SHA256

      26e94627a3abe752072319b8eca4f68029a27090f89de5b92d4f700fc0f4f0b2

    • SHA512

      97303432aaec89988991d8489868e92ad6153e7a2a9addac3af275e01671562fc71931d65d805ec17ef3379d72c56e313cea3fbf58b40b71d6a18e14ed3a5459

    • 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

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars Payload

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious

      suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious

    • suricata: ET MALWARE Generic Password Stealer User Agent Detected (RookIE)

      suricata: ET MALWARE Generic Password Stealer User Agent Detected (RookIE)

    • suricata: ET MALWARE Observed Elysium Stealer Variant CnC Domain (all-brain-company .xyz in TLS SNI)

      suricata: ET MALWARE Observed Elysium Stealer Variant CnC Domain (all-brain-company .xyz in TLS SNI)

    • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

      suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    • Nirsoft

    • Downloads MZ/PE file

    • Executes dropped EXE

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

4
T1112

Disabling Security Tools

2
T1089

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks