General
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Target
f4155c5467a8de1d5a1dacdd878410d9092040062e7f1497a3048d2191587164
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Size
5.7MB
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Sample
220313-lma8wsfdfr
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MD5
2cfab54e344702e855a2e95dc629d7dc
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SHA1
4a18d7afa120da97decf232d2c87114a8d51abbc
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SHA256
f4155c5467a8de1d5a1dacdd878410d9092040062e7f1497a3048d2191587164
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SHA512
5d23128b77a0d518208517b19c7b61bbdb385c370b7f8cf7b5353e57c7c8b6f18d2b93718725f847f3048c5b6e7436bca805014ff301d68d3deb3d5c57837e67
Static task
static1
Behavioral task
behavioral1
Sample
f4155c5467a8de1d5a1dacdd878410d9092040062e7f1497a3048d2191587164.exe
Resource
win7-20220311-en
Behavioral task
behavioral2
Sample
f4155c5467a8de1d5a1dacdd878410d9092040062e7f1497a3048d2191587164.exe
Resource
win10v2004-20220310-en
Malware Config
Extracted
redline
Cana
176.111.174.254:56328
Extracted
smokeloader
2020
http://conceitosseg.com/upload/
http://integrasidata.com/upload/
http://ozentekstil.com/upload/
http://finbelportal.com/upload/
http://telanganadigital.com/upload/
Extracted
vidar
39.4
933
https://sergeevih43.tumblr.com/
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profile_id
933
Extracted
redline
Ani
detuyaluro.xyz:80
Extracted
C:\Users\Admin\Documents\0.0.filtertrie.intermediate.txt
Extracted
redline
ruzkida
185.11.73.55:22201
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auth_value
000938fe0d697ca6a3b6cee46ba02ff3
Extracted
arkei
Default
http://62.204.41.133/TnoGfVj67h.php
Extracted
djvu
http://fuyt.org/test3/get.php
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extension
.xcbg
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offline_id
y6oQcfhmSRc7ZQ1q8yjLE3LhY8kK7FHg6LLlEht1
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payload_url
http://zerit.top/dl/build2.exe
http://fuyt.org/files/1/build3.exe
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ransomnote
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Extracted
redline
ruzki12_03
176.122.23.55:11768
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auth_value
c51ddc8008e8581a01cec6e8291c5530
Targets
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Target
f4155c5467a8de1d5a1dacdd878410d9092040062e7f1497a3048d2191587164
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Size
5.7MB
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MD5
2cfab54e344702e855a2e95dc629d7dc
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SHA1
4a18d7afa120da97decf232d2c87114a8d51abbc
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SHA256
f4155c5467a8de1d5a1dacdd878410d9092040062e7f1497a3048d2191587164
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SHA512
5d23128b77a0d518208517b19c7b61bbdb385c370b7f8cf7b5353e57c7c8b6f18d2b93718725f847f3048c5b6e7436bca805014ff301d68d3deb3d5c57837e67
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Detected Djvu ransomware
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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine Payload
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suricata: ET MALWARE Danabot Key Exchange Request
suricata: ET MALWARE Danabot Key Exchange Request
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suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious
suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious
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suricata: ET MALWARE GCleaner Downloader Activity M5
suricata: ET MALWARE GCleaner Downloader Activity M5
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suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
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suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
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suricata: ET MALWARE Win32.Raccoon Stealer - Telegram Mirror Checkin (generic)
suricata: ET MALWARE Win32.Raccoon Stealer - Telegram Mirror Checkin (generic)
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suricata: ET MALWARE Win32.Raccoon Stealer Checkin M6
suricata: ET MALWARE Win32.Raccoon Stealer Checkin M6
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suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3
suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Vidar Stealer
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Blocklisted process makes network request
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Creates new service(s)
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Downloads MZ/PE file
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Executes dropped EXE
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Modifies Windows Firewall
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Matrix ATT&CK v6
Persistence
Modify Existing Service
2New Service
1Registry Run Keys / Startup Folder
1Scheduled Task
1Defense Evasion
Modify Registry
4Disabling Security Tools
1Virtualization/Sandbox Evasion
1Install Root Certificate
1