MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 15718441b4ccf5eca76c2663a694d7387137eca50ac8ed9f3df909117ed3f922. 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: 16


Intelligence 16 IOCs 1 YARA 9 File information Comments

SHA256 hash: 15718441b4ccf5eca76c2663a694d7387137eca50ac8ed9f3df909117ed3f922
SHA3-384 hash: 5bf4e99ada0be4a917312dd2a1331d07ced18eb71c2e73e4f4eb43fcabfc4381789e66e6e94c911bf2b70fe8b0c1ab13
SHA1 hash: 7cfdb48665d0ecdaec8d26c054f0cf7dfa786691
MD5 hash: ca0132b4f00c230299eed1d30d99dc36
humanhash: saturn-georgia-salami-oxygen
File name:ca0132b4f00c230299eed1d30d99dc36.exe
Download: download sample
Signature QuasarRAT
File size:2'861'056 bytes
First seen:2022-05-22 04:56:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:V+Vf7QQGj33SmdY5sWfLeG2QRaRaO7x/OtOFXCuza32ehyfTnm:V+lQQGj33SGmsWfLeG2QRaAO75Oth
Threatray 62 similar samples on MalwareBazaar
TLSH T159D55B1477F84E27D06FC6B2E9B0401667F1F82BF3A3AB8B9186A6791C53B104D417A7
TrID 53.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
12.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
9.6% (.SCR) Windows screen saver (13101/52/3)
7.7% (.EXE) Win64 Executable (generic) (10523/12/4)
4.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter abuse_ch
Tags:exe QuasarRAT RAT


Avatar
abuse_ch
QuasarRAT C2:
45.242.183.154:5

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
45.242.183.154:5 https://threatfox.abuse.ch/ioc/625152/

Intelligence


File Origin
# of uploads :
1
# of downloads :
380
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
ca0132b4f00c230299eed1d30d99dc36.exe
Verdict:
Malicious activity
Analysis date:
2022-05-22 04:56:29 UTC
Tags:
trojan rat quasar asyncrat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Changing a file
Setting a keyboard event handler
DNS request
Sending a custom TCP 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.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
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 domain / URL
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Snort IDS alert for network traffic
Uses dynamic DNS services
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Quasar
Status:
Malicious
First seen:
2022-05-15 05:50:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
32 of 40 (80.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:sad spyware suricata trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Enumerates physical storage devices
Looks up external IP address via web service
suricata: ET MALWARE Observed Malicious SSL Cert (Quasar CnC)
Quasar Payload
Quasar RAT
suricata: ET MALWARE Generic AsyncRAT Style SSL Cert
Malware Config
C2 Extraction:
updateyahoo.duckdns.org:5
Unpacked files
SH256 hash:
15718441b4ccf5eca76c2663a694d7387137eca50ac8ed9f3df909117ed3f922
MD5 hash:
ca0132b4f00c230299eed1d30d99dc36
SHA1 hash:
7cfdb48665d0ecdaec8d26c054f0cf7dfa786691
Malware family:
QuasarRAT
Verdict:
Malicious
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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