MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 72408c6e85f34e8002d8e0439afef5823a5e6f45ef2cec0b6f8457365d56120c. 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 YARA 26 File information Comments

SHA256 hash: 72408c6e85f34e8002d8e0439afef5823a5e6f45ef2cec0b6f8457365d56120c
SHA3-384 hash: 9cbaabf1c76f109394adcb1fff20a28c04aa216e53d0dbf02524e367e34cc6679477ca48bce85ddc346a362aade00821
SHA1 hash: e533aecb6e83739d6b5cb66a48e6ad2f5dfe0e5e
MD5 hash: caa8db36755c5933645f1eaef886468b
humanhash: item-jig-jig-november
File name:72408c6e85f34e8002d8e0439afef5823a5e6f45ef2cec0b6f8457365d56120c
Download: download sample
Signature QuasarRAT
File size:3'937'280 bytes
First seen:2025-07-07 15:15:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'604 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 98304:psACzJ1rEmaP/M3tWWURFRAstyeUISh1gyI0DV+kMBOSuT:pQJ14maUWWgXnyeHyI08kyI
Threatray 1 similar samples on MalwareBazaar
TLSH T1F90623587120F19EC007C071DA686DF997517EBB831E0E56912B36A99A2DCBFCF340E6
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
dhash icon 71cc8e9ca48cd8e1 (3 x QuasarRAT)
Reporter adrian__luca
Tags:exe QuasarRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
28
Origin country :
HU HU
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.9%
Tags:
autorun packed spawn sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Restart of the analyzed sample
Searching for synchronization primitives
Creating a file
Launching the default Windows debugger (dwwin.exe)
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Connection attempt to an infection source
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Query of malicious DNS domain
Enabling autorun by creating a file
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable PE (Portable Executable) SOS: 0.25 Win 32 Exe x86
Threat name:
Win32.Backdoor.Quasar
Status:
Malicious
First seen:
2025-06-27 04:14:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:office03 discovery execution persistence spyware trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
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:
mjoatboating.ydns.eu:4787
Verdict:
Malicious
Tags:
red_team_tool
YARA:
SUSP_NET_NAME_ConfuserEx
Unpacked files
SH256 hash:
72408c6e85f34e8002d8e0439afef5823a5e6f45ef2cec0b6f8457365d56120c
MD5 hash:
caa8db36755c5933645f1eaef886468b
SHA1 hash:
e533aecb6e83739d6b5cb66a48e6ad2f5dfe0e5e
SH256 hash:
1ad823416edf2b5c3e731d29f02ac01f8ac07dc678c75163591801c225904507
MD5 hash:
672ab18891df9f48d39ff9c9d2d5c064
SHA1 hash:
4740ce930fb2a5422cb62a0f8c70a8e0cca149e0
SH256 hash:
c1f0d0acb4a7502481260a988d37d33a7a3f6c038ac63ecce0c3e2eef6004e16
MD5 hash:
69943cd4e7139b49276a1295aeb700e7
SHA1 hash:
8661ae54df562e3e82f2242f6c24c398e9a7ed95
Detections:
QuasarRAT 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
SH256 hash:
e1ab7e6236c8207e5609d2027542fd2306f27d94e0131b98e9602e8b2ee89155
MD5 hash:
18818bdfb7fff86d2863e79550b53e20
SHA1 hash:
f3a75e778d064251d4b4f3216f71525b61120a31
Detections:
SUSP_NET_NAME_ConfuserEx INDICATOR_EXE_Packed_ConfuserEx INDICATOR_EXE_Packed_ConfuserEx_Custom
SH256 hash:
60ca1574d0c916d1f5686bcf871488710a2677a68c94f65a2be47d707976c061
MD5 hash:
d8c04d4e36632b4d5fb0ffab446877ed
SHA1 hash:
6092ad4043c572c8a5616f8a1b343aa94bca25a3
Detections:
SUSP_NET_Large_Static_Array_In_Small_File_Jan24 HKTL_NET_GUID_Quasar
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: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: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)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

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