MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a769cf974a67c6c99eca486ea834aaf1f601ddf1ddb3860eafb2e433dec469e9. 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: 17


Intelligence 17 IOCs YARA 29 File information Comments

SHA256 hash: a769cf974a67c6c99eca486ea834aaf1f601ddf1ddb3860eafb2e433dec469e9
SHA3-384 hash: 99b869fac643b74a45754d93427b6f8af34c46f9fcb9799b7ecae038dc6d62caf76f6ce643de200d98659413a197f5a6
SHA1 hash: 1af8235226051d9c989e560e2acad99ce215ec6e
MD5 hash: 29b7d7098c137456b039d40bcceee37f
humanhash: purple-quebec-eleven-friend
File name:SecuriteInfo.com.MSIL.GenMalicious-R.21322628
Download: download sample
Signature QuasarRAT
File size:4'079'616 bytes
First seen:2025-09-27 19:18:38 UTC
Last seen:2025-09-27 20:16:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 98304:2pZd+cenXoMJ8gok8btu95B0o+9kc0QlkfakUjr/:w+Hoi8pbwEOQOkjr/
TLSH T14C1623CD325075EDC953CD714A781CB4A7066EAA7F1A76469C633867B73F8C3AE040A2
TrID 28.5% (.EXE) Win64 Executable (generic) (10522/11/4)
17.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
13.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.2% (.EXE) Win32 Executable (generic) (4504/4/1)
5.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter SecuriteInfoCom
Tags:exe QuasarRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
116
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a769cf974a67c6c99eca486ea834aaf1f601ddf1ddb3860eafb2e433dec469e9.exe
Verdict:
Malicious activity
Analysis date:
2025-09-27 18:48:53 UTC
Tags:
auto-reg crypto-regex confuser

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
autorun packed virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Searching for synchronization primitives
Creating a file
Launching the default Windows debugger (dwwin.exe)
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 confuser confuserex net obfuscated obfuscated packed packed vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-27T15:55:00Z UTC
Last seen:
2025-09-27T15:55:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.MSIL.Injuke.gen
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 1.00 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Trojan.Strictor
Status:
Malicious
First seen:
2025-09-27 18:48:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
quasarrat
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:silver02 discovery execution persistence spyware trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
ConfuserEx .NET packer
Suspicious use of SetThreadContext
Executes dropped EXE
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
onanothertry.ydns.eu:4799
asesorarcolom.crabdance.com:4898
Verdict:
Malicious
Tags:
red_team_tool
YARA:
SUSP_NET_NAME_ConfuserEx
Unpacked files
SH256 hash:
a769cf974a67c6c99eca486ea834aaf1f601ddf1ddb3860eafb2e433dec469e9
MD5 hash:
29b7d7098c137456b039d40bcceee37f
SHA1 hash:
1af8235226051d9c989e560e2acad99ce215ec6e
SH256 hash:
b16adf1a63d3eb9dcb5539de75d519d695534b6fe83e6b7bc8d5739230df42da
MD5 hash:
9ca6eb9858328490ae38245124d95572
SHA1 hash:
36c28396d417369cdf76bd4a456d114cc7e87560
SH256 hash:
f42dcad992d01c46c664f2efb566ee820d205de1f79adaf48939de34e159ac5b
MD5 hash:
a27eaedb1797952f186c136e9eb8d102
SHA1 hash:
8c80b1bfd1e98ac0ba4424eca060e66dfa8c09ed
Detections:
cn_utf8_windows_terminal malware_windows_xrat_quasarrat MAL_QuasarRAT_May19_1 MAL_BackNet_Nov18_1 INDICATOR_EXE_Packed_Fody INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
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:Check_Dlls
Rule name:Costura_Protobuf
Author:@bartblaze
Description:Identifies Costura and Protobuf in .NET assemblies, respectively for storing resources and (de)serialization. Seen together might indicate a suspect binary.
Rule name:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:INDICATOR_EXE_Packed_ConfuserEx_Custom
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Custom; outside of GIT
Rule name:INDICATOR_EXE_Packed_Fody
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:Indicator_MiniDumpWriteDump
Author:Obscurity Labs LLC
Description:Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:MAL_BackNet_Nov18_1
Author:Florian Roth (Nextron Systems)
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:MAL_BackNet_Nov18_1_RID2D6D
Author:Florian Roth
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:MAL_QuasarRAT_May19_1
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
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information


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

Web download

QuasarRAT

Executable exe a769cf974a67c6c99eca486ea834aaf1f601ddf1ddb3860eafb2e433dec469e9

(this sample)

  
Delivery method
Distributed via web download

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