MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7734febb4536d9beba17dd873a7c244a70bb37fd6bf6e3e66ebe703f5edba3de. 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: 15


Intelligence 15 IOCs YARA 18 File information Comments 1

SHA256 hash: 7734febb4536d9beba17dd873a7c244a70bb37fd6bf6e3e66ebe703f5edba3de
SHA3-384 hash: 04e2bdaf994fc6d8e4a98aaf30f1991ea526e3fedc54de501c93e824b8c8ad1c7a267679d37fbe0b345c6677367c1707
SHA1 hash: cd0acac0199b7889628f01f30acb2948b702ac2f
MD5 hash: 3a69548397a68abb95199391eec20de0
humanhash: batman-three-network-island
File name:3a69548397a68abb95199391eec20de0
Download: download sample
Signature QuasarRAT
File size:356'864 bytes
First seen:2022-05-10 05:29:39 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 6144:YjqQ4i1FFiEKrURQ1cHKw6wFLrr0X1gKz+Ebv7Bms0PKY+mhG:KpliqQ1cHKw6wFLv0XE8D0PKYnhG
Threatray 318 similar samples on MalwareBazaar
TLSH T1AB747C23B3A8E67BD1FE1B3AF43307055BB5D483B616E38B5A5855B82D133868D413A3
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 zbetcheckin
Tags:32 exe QuasarRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
3a69548397a68abb95199391eec20de0
Verdict:
Malicious activity
Analysis date:
2022-05-10 05:32:40 UTC
Tags:
rat quasar trojan evasion

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

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Setting a keyboard event handler
Creating a file in the %AppData% subdirectories
Creating a window
Sending a custom TCP request
Query of malicious DNS domain
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm control.exe fingerprint greyware keylogger obfuscated packed quasar quasarrat rat replace.exe schtasks.exe shell32.dll stealer stealer update.exe vermin xrat
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
.NET source code references suspicious native API functions
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 submitted file
Snort IDS alert for network traffic
Uses dynamic DNS services
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Quasar
Status:
Malicious
First seen:
2022-04-29 08:12:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
34 of 40 (85.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:neeeeeeeeed money spyware suricata trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Looks up external IP address via web service
Quasar Payload
Quasar RAT
suricata: ET MALWARE Common RAT Connectivity Check Observed
Malware Config
C2 Extraction:
updatefacebook.duckdns.org:4
Unpacked files
SH256 hash:
7734febb4536d9beba17dd873a7c244a70bb37fd6bf6e3e66ebe703f5edba3de
MD5 hash:
3a69548397a68abb95199391eec20de0
SHA1 hash:
cd0acac0199b7889628f01f30acb2948b702ac2f
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:CN_disclosed_20180208_KeyLogger_1
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details
Rule name:CN_disclosed_20180208_KeyLogger_1_RID3227
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details
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_Quasar_strings
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:MALWARE_Win_QuasarRAT
Author:ditekSHen
Description:QuasarRAT payload
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:Quasar_RAT_1
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Quasar_RAT_1_RID2B54
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Quasar_RAT_2
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Quasar_RAT_2_RID2B55
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Vermin_Keylogger_Jan18_1
Author:Florian Roth
Description:Detects Vermin Keylogger
Reference:https://researchcenter.paloaltonetworks.com/2018/01/unit42-vermin-quasar-rat-custom-malware-used-ukraine/
Rule name:xRAT_1
Author:Florian Roth
Description:Detects Patchwork malware
Reference:https://goo.gl/Pg3P4W
Rule name:xRAT_1_RID2900
Author:Florian Roth
Description:Detects Patchwork malware
Reference:https://goo.gl/Pg3P4W

File information


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

Web download

QuasarRAT

Executable exe 7734febb4536d9beba17dd873a7c244a70bb37fd6bf6e3e66ebe703f5edba3de

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-05-10 05:29:40 UTC

url : hxxp://45.147.230.71:8080/system.exe