General
Target

setup_installer.exe

Size

4MB

Sample

211028-tbqhfabhb2

Score
10/10
MD5

b356bccf8b9aff2897ecc42970367f44

SHA1

fe06861ac4952834ddc290dd5e0e7f36c8adc018

SHA256

b9325691870376c72e29be06648c8106ceefd9a94dbbfbee9a4fc2b76fc9b6d3

SHA512

7fc510e5575e36919c302ff053eef6f7cb5700e9e011fb5d85dd80c5ec9c97664dcad8b6607b68b10daf8a6fbc584ff1218c30e541431fd32570da8553c662b7

Malware Config

Extracted

Language ps1
Deobfuscated
URLs
ps1.dropper

https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1

Extracted

Family

smokeloader

Version

2020

C2

http://brandyjaggers.com/upload/

http://andbal.com/upload/

http://alotofquotes.com/upload/

http://szpnc.cn/upload/

http://uggeboots.com/upload/

http://100klv.com/upload/

http://rapmusic.at/upload/

rc4.i32
rc4.i32

Extracted

Family

vidar

Version

41.6

Botnet

933

C2

https://mas.to/@lilocc

Attributes
profile_id
933

Extracted

Family

redline

Botnet

chris

C2

194.104.136.5:46013

Extracted

Family

redline

Botnet

media26

C2

91.121.67.60:23325

Targets
Target

setup_installer.exe

MD5

b356bccf8b9aff2897ecc42970367f44

Filesize

4MB

Score
10/10
SHA1

fe06861ac4952834ddc290dd5e0e7f36c8adc018

SHA256

b9325691870376c72e29be06648c8106ceefd9a94dbbfbee9a4fc2b76fc9b6d3

SHA512

7fc510e5575e36919c302ff053eef6f7cb5700e9e011fb5d85dd80c5ec9c97664dcad8b6607b68b10daf8a6fbc584ff1218c30e541431fd32570da8553c662b7

Tags

Signatures

  • Modifies Windows Defender Real-time Protection settings

    Tags

    TTPs

    Modify RegistryModify Existing ServiceDisabling Security Tools
  • Process spawned unexpected child process

    Description

    This typically indicates the parent process was compromised via an exploit or macro.

  • RedLine

    Description

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    Tags

  • RedLine Payload

  • SmokeLoader

    Description

    Modular backdoor trojan in use since 2014.

    Tags

  • Socelars

    Description

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

    Tags

  • Socelars Payload

  • Suspicious use of NtCreateProcessExOtherParentProcess

  • Vidar

    Description

    Vidar is an infostealer based on Arkei stealer.

    Tags

  • Checks for common network interception software

    Description

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

    Tags

    TTPs

  • Grants admin privileges

    Description

    Uses net.exe to modify the user's privileges.

    TTPs

    Account Manipulation
  • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    Tags

    TTPs

    Query RegistryVirtualization/Sandbox Evasion
  • Vidar Stealer

    Tags

  • ASPack v2.12-2.42

    Description

    Detects executables packed with ASPack v2.12-2.42

    Tags

  • Blocklisted process makes network request

  • Downloads MZ/PE file

  • Drops file in Drivers directory

  • Executes dropped EXE

  • Possible privilege escalation attempt

    Tags

  • Checks BIOS information in registry

    Description

    BIOS information is often read in order to detect sandboxing environments.

    TTPs

    Query RegistrySystem Information Discovery
  • Checks computer location settings

    Description

    Looks up country code configured in the registry, likely geofence.

    TTPs

    Query RegistrySystem Information Discovery
  • Loads dropped DLL

  • Modifies file permissions

    Tags

    TTPs

    File Permissions Modification
  • Reads user/profile data of web browsers

    Description

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

    Tags

    TTPs

    Data from Local SystemCredentials in Files
  • Accesses 2FA software files, possible credential harvesting

    Tags

    TTPs

    Data from Local SystemCredentials in Files
  • Accesses cryptocurrency files/wallets, possible credential harvesting

    Tags

    TTPs

    Data from Local SystemCredentials in Files
  • Adds Run key to start application

    Tags

    TTPs

    Registry Run Keys / Startup FolderModify Registry
  • Checks installed software on the system

    Description

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

    Tags

    TTPs

    Query Registry
  • Checks whether UAC is enabled

    Tags

    TTPs

    System Information Discovery
  • Enumerates connected drives

    Description

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

    TTPs

    Query RegistryPeripheral Device DiscoverySystem Information Discovery
  • Legitimate hosting services abused for malware hosting/C2

    TTPs

    Web Service
  • Looks up external IP address via web service

    Description

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  • Suspicious use of SetThreadContext

  • autoit_exe

    Description

    AutoIT scripts compiled to PE executables.

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