MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df9104032c91e415db6acc7e364edd70cd1a2b436beb738af5286770c374a683. 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 YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: df9104032c91e415db6acc7e364edd70cd1a2b436beb738af5286770c374a683
SHA3-384 hash: 0c42dd7e45ca4cb41700612d4208533c69a38d0f8ff1fcff18e4b16a932b41a8c634f3908863f679efe374d727f57e37
SHA1 hash: a6ad36735a30ba6684045f40fa370a3b6bceb6ba
MD5 hash: 1ae8b0e8c75365c47271340258db93e0
humanhash: angel-summer-single-hamper
File name:1AE8B0E8C75365C47271340258DB93E0.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:3'265'536 bytes
First seen:2023-11-27 20:30:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 49152:uv7I22SsaNYfdPBldt698dBcjHYlvfQSLbGdkMTHHB72eh2NT:uvE22SsaNYfdPBldt6+dBcjHYlx
TLSH T1BFE55A043BF85E32E17BD6B3D5B0505263F1E82AF363EB1B618167BA1C53B505842BA7
TrID 37.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
29.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
8.4% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
6.7% (.SCR) Windows screen saver (13097/50/3)
5.3% (.EXE) Win64 Executable (generic) (10523/12/4)
Reporter abuse_ch
Tags:exe QuasarRAT RAT


Avatar
abuse_ch
QuasarRAT C2:
103.168.19.82:4782

Intelligence

File Origin
# of uploads :
1
# of downloads :
356
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
QuasarStealer
Create hunting rule
Link:
https://www.capesandbox.com/analysis/460787/
Detection(s):
Win.Malware.Generic-9883083-0
Create hunting rule

Win.Malware.Msilheracles-9900242-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL
Create hunting rule

Win.Packed.Downeks-6898097-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm certreq control crypto expand explorer hook infostealer keylogger lolbin quasar quasarrat rat remote replace schtasks stealer stealer
Link:
https://www.filescan.io/uploads/6564fc86b1289ca93d4fd71d/reports/58dfe25a-d8e6-4627-811b-3226d4ecd42c/overview
Verdict:
Malicious
Labled as:
MSIL.PasswordStealerA.Generic
Link:
https://www.hybrid-analysis.com/sample/df9104032c91e415db6acc7e364edd70cd1a2b436beb738af5286770c374a683
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/74f53f04-35a4-4dd2-a15d-3b0c0ca52efb
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1348898
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1348898 Sample: 7PYKdsDMHQ.exe Startdate: 27/11/2023 Architecture: WINDOWS Score: 100 31 ipwho.is 2->31 45 Snort IDS alert for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 6 other signatures 2->51 9 7PYKdsDMHQ.exe 5 2->9         started        13 MSSafetyScanner.exe 3 2->13         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\MSSafetyScanner.exe, PE32 9->29 dropped 53 Uses schtasks.exe or at.exe to add and modify task schedules 9->53 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->55 15 MSSafetyScanner.exe 14 8 9->15         started        19 schtasks.exe 1 9->19         started        21 conhost.exe 13->21         started        signatures6 process7 dnsIp8 33 103.168.19.82, 4782, 49729 AARNET-AS-APAustralianAcademicandResearchNetworkAARNe unknown 15->33 35 ipwho.is 15.204.213.5, 443, 49731 HP-INTERNET-ASUS United States 15->35 37 Antivirus detection for dropped file 15->37 39 Multi AV Scanner detection for dropped file 15->39 41 Machine Learning detection for dropped file 15->41 43 2 other signatures 15->43 23 schtasks.exe 1 15->23         started        25 conhost.exe 19->25         started        signatures9 process10 process11 27 conhost.exe 23->27         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/df9104032c91e415db6acc7e364edd70cd1a2b436beb738af5286770c374a683
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/df9104032c91e415db6acc7e364edd70cd1a2b436beb738af5286770c374a683/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2023-11-26 03:49:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
28 of 37 (75.68%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=36iqiazmshsblw3kzr7dmtw5odgruk2dnpvxhcxvfbtxbq3uu2bq._file
Verdict:
malicious
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:mssafetyscanner spyware trojan
Link:
https://tria.ge/reports/231127-zaqppscg55/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Executes dropped EXE
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
103.168.19.82:4782
Unpacked files
SH256 hash:
df9104032c91e415db6acc7e364edd70cd1a2b436beb738af5286770c374a683
MD5 hash:
1ae8b0e8c75365c47271340258db93e0
SHA1 hash:
a6ad36735a30ba6684045f40fa370a3b6bceb6ba
Detections:
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/85eed307-9c5a-47ea-a036-20a3fc5222a4/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/df9104032c91/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/df9104032c91e415db6acc7e364edd70cd1a2b436beb738af5286770c374a683

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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:MALWARE_Win_QuasarStealer
Create hunting rule
Author:ditekshen
Description:Detects Quasar infostealer
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Description:Detects QuasarRAT malware
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MAL_QuasarRAT_May19_1_RID2E1E
Create hunting rule
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RC6_Constants
Create hunting rule
Author:chort (@chort0)
Description:Look for RC6 magic constants in binary
Reference:https://twitter.com/mikko/status/417620511397400576
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_quasar_rat_client
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in Quasar Rat Samples.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/460787/

Comments