MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0b84e664c8b592aa0220d52841629b2accb41f1f624720331000ab5f2f0ed628. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



QuasarRAT


Vendor detections: 12


Intelligence 12 IOCs 1 YARA 9 File information Comments

SHA256 hash: 0b84e664c8b592aa0220d52841629b2accb41f1f624720331000ab5f2f0ed628
SHA3-384 hash: 2c1c104a1c4396ec6b8f7911ec45c49ee7b0eaf65c3b235266cdaf2982036ce8833b0b66ee53aaf0a2fbbb56207cae85
SHA1 hash: 0c5c8ae1777e7a61ebd12a5405ef46f02c0a848d
MD5 hash: aa551c7de85ef21b2ea8d377d79a5e6a
humanhash: fix-fourteen-foxtrot-eight
File name:aa551c7de85ef21b2ea8d377d79a5e6a.exe
Download: download sample
Signature QuasarRAT
File size:2'861'056 bytes
First seen:2022-03-23 13:36:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 49152:V+Zf7QQGj33SmdY5sWfLeG2QRaRaO7x/OtOFXCUza32ehyfTnm:V+5QQGj33SGmsWfLeG2QRaAO75OtH
Threatray 53 similar samples on MalwareBazaar
TLSH T1E8D55B1477F84E27D06FC6B2E9B0401667F1F82BF3A3AB8B9186A6791C53B104D417A7
Reporter abuse_ch
Tags:exe QuasarRAT RAT


Avatar
abuse_ch
QuasarRAT C2:
161.97.148.204:1604

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
161.97.148.204:1604 https://threatfox.abuse.ch/ioc/442759/

Intelligence


File Origin
# of uploads :
1
# of downloads :
286
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Changing a file
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm certreq.exe control.exe downeks expand.exe explorer.exe keylogger obfuscated quasar quasarrat rat remote.exe replace.exe schtasks.exe stealer update.exe
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Quasar
Status:
Malicious
First seen:
2022-03-19 19:55:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:office04 spyware suricata trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Enumerates physical storage devices
Looks up external IP address via web service
Quasar Payload
Quasar RAT
suricata: ET MALWARE Observed Malicious SSL Cert (Quasar CnC)
Malware Config
C2 Extraction:
ms-insider.net:1604
Unpacked files
SH256 hash:
0b84e664c8b592aa0220d52841629b2accb41f1f624720331000ab5f2f0ed628
MD5 hash:
aa551c7de85ef21b2ea8d377d79a5e6a
SHA1 hash:
0c5c8ae1777e7a61ebd12a5405ef46f02c0a848d
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:MALWARE_Win_QuasarStealer
Author:ditekshen
Description:Detects Quasar infostealer
Rule name:MAL_Lokibot_Stealer
Description:Detects Lokibot Stealer Variants
Rule name:MAL_QuasarRAT_May19_1
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MAL_QuasarRAT_May19_1_RID2E1E
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

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