General

  • Target

    psiphon3.exe

  • Size

    6.8MB

  • Sample

    220128-xzannsbcgk

  • MD5

    2ebc28739e3c11341136fc5404c44579

  • SHA1

    6adb43880cac3dfe5a5356d19d588648739763e7

  • SHA256

    fa2ff0f2de91ce2de9ac142cdffb56ec1716c9e16f561cda689f4f2010eceeb4

  • SHA512

    c296a128487eb6fe393296b38ea290e7e2bdc7dce3dddcdc3f32d709da04e1b3bb488f3dcf1b0d9b36b937a867fd3d1f7b3c14131219875aa60a29339ac8c6f1

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://abpa.at/upload/

http://emaratghajari.com/upload/

http://d7qw.cn/upload/

http://alumik-group.ru/upload/

http://zamkikurgan.ru/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

media272256

C2

92.255.57.115:11841

Targets

    • Target

      psiphon3.exe

    • Size

      6.8MB

    • MD5

      2ebc28739e3c11341136fc5404c44579

    • SHA1

      6adb43880cac3dfe5a5356d19d588648739763e7

    • SHA256

      fa2ff0f2de91ce2de9ac142cdffb56ec1716c9e16f561cda689f4f2010eceeb4

    • SHA512

      c296a128487eb6fe393296b38ea290e7e2bdc7dce3dddcdc3f32d709da04e1b3bb488f3dcf1b0d9b36b937a867fd3d1f7b3c14131219875aa60a29339ac8c6f1

    • OnlyLogger

      A tiny loader that uses IPLogger to get its payload.

    • 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.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • suricata: ET MALWARE ClipBanker Variant Activity (POST)

      suricata: ET MALWARE ClipBanker Variant Activity (POST)

    • suricata: ET MALWARE Danabot Key Exchange Request

      suricata: ET MALWARE Danabot Key Exchange Request

    • suricata: ET MALWARE GCleaner Downloader Activity M5

      suricata: ET MALWARE GCleaner Downloader Activity M5

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    • OnlyLogger Payload

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Sets service image path in registry

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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.

    • Program crash

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

2
T1060

BITS Jobs

1
T1197

Defense Evasion

Modify Registry

5
T1112

BITS Jobs

1
T1197

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

2
T1081

Discovery

Software Discovery

1
T1518

Security Software Discovery

1
T1063

Query Registry

5
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

5
T1082

Process Discovery

1
T1057

Remote System Discovery

1
T1018

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks