MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 53bd45a2da8a0db00c6202fd66651bde1b5ede0cdee998654c64d037ccfa9b68. 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: 19


Intelligence 19 IOCs YARA 26 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 53bd45a2da8a0db00c6202fd66651bde1b5ede0cdee998654c64d037ccfa9b68
SHA3-384 hash: e99fa6dc259b69e923a227cf30937b1f0e450bcad2f71a3da72fde4f6e9a6432247dae0ef92fd67163989b1c0259cdfa
SHA1 hash: 80e50a578256a114e7422de9abf495f5d2cdebb2
MD5 hash: 75b879119ba9e7a7e70c0652635372e0
humanhash: two-grey-high-artist
File name:Outstanding.Payment_1122025.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:3'399'168 bytes
First seen:2025-12-01 14:36:01 UTC
Last seen:2025-12-02 08:54:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'754 x AgentTesla, 19'660 x Formbook, 12'251 x SnakeKeylogger)
ssdeep 98304:cm9yZooTkL/oxmlkXDIe9eXrODgFRHW+Q:cm9yhTTIeebOIR
Threatray 256 similar samples on MalwareBazaar
TLSH T1A8F533DF320175AEC067D4368AA66C70A6616D7F6706D207881B3E1F3A3D6C79F214E2
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter lowmal3
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
107
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
ConfuserEx
Details
ConfuserEx
decrypted strings and possibly embedded components
Link:
https://research.acce.ciphertechsolutions.com/results/cc72ba94-cb9c-4777-8d22-ac2b13366a27/
Malware family:
n/a
ID:
1
File name:
_53bd45a2da8a0db00c6202fd66651bde1b5ede0cdee998654c64d037ccfa9b68.exe
Verdict:
Malicious activity
Analysis date:
2025-12-01 14:36:26 UTC
Tags:
auto-reg confuser pulsar rat crypto-regex
Link:
https://app.any.run/tasks/1e386bbf-501a-4d6e-b0aa-7ed85ea4b010

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/42021/
Detection(s):
Win.Packed.Lynx-6899009-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=692da7ddfca025d00d475309
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)
DNS request
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 confuser confuserex lynx masquerade net obfuscated obfuscated packed packed vbnet
Link:
https://www.filescan.io/uploads/692da7ded3e8b4b5f93f6deb/reports/fba7b545-8c0b-4080-ada9-4d472a0cd896/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/53bd45a2da8a0db00c6202fd66651bde1b5ede0cdee998654c64d037ccfa9b68
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-01T08:58:00Z UTC
Last seen:
2025-12-03T11:46:00Z UTC
Hits:
~1000
Detections:
PDM:Trojan.Win32.Tasker.cust HEUR:Trojan.Win32.Generic Trojan-PSW.MSIL.Agent.sb Trojan-GameThief.MSIL.Worgtop.b Trojan-GameThief.MSIL.Worgtop.a
Link:
https://opentip.kaspersky.com/53bd45a2da8a0db00c6202fd66651bde1b5ede0cdee998654c64d037ccfa9b68/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6b8bfa1d-2276-4ac2-8475-5a8874a23b0d
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1823629
Signature
.NET source code contains potential unpacker
.NET source code contains process injector
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/53bd45a2da8a0db00c6202fd66651bde1b5ede0cdee998654c64d037ccfa9b68
Verdict:
inconclusive
YARA:
15 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.85 Win 32 Exe x86
Link:
https://app.malva.re/file/75b879119ba9e7a7e70c0652635372e0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/53bd45a2da8a0db00c6202fd66651bde1b5ede0cdee998654c64d037ccfa9b68/
Verdict:
Malicious
Threat:
Family.QUASAR
Link:
https://tip.neiki.dev/file/53bd45a2da8a0db00c6202fd66651bde1b5ede0cdee998654c64d037ccfa9b68
Threat name:
Win32.Backdoor.Quasar
Create hunting rule
Status:
Malicious
First seen:
2025-12-01 14:08:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ko6uliw2rig3addcal6wmzi33ynv5xqm33uzqzkmmtidpth2tnua._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
1af2e11cbb60bee87efab50083b64d9051a8255c0b9143d9105703e5f2a2c588
QuasarRAT
511ace09e2e37545e0f12232fb3ad7da230f0c55ea803fa14ae84530257069b6
QuasarRAT
7e9868f4da3238a549866769de126d9ef902b19c4760701d8f883f54bf8961c0
QuasarRAT
82e8eb7d1c2af17fea3d4a43ea92b5f8dca3f4382fbf7fd8c4160c76733920ce
QuasarRAT
8811592a27243d69cef28007e65ffb08881f330440ca6b94793b323ef3d9b868
QuasarRAT
b95360f091412669760e7a6d01981eb192cc1582cf6fdfe51bc25a6bb8edbe29
QuasarRAT
error
QuasarRAT
+ 246 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:oro05 discovery execution persistence spyware trojan
Link:
https://tria.ge/reports/251201-rynw1scr2t/
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:
onebyoneset.ydns.eu:4800
uortyfivev.crabdance.com:4805
Verdict:
Malicious
Tags:
red_team_tool Win.Packed.Lynx-6899009-0
YARA:
SUSP_NET_NAME_ConfuserEx
Link:
https://app.threat.zone/submission/c78728ce-a7ad-43ac-b7f2-5edc2ca6c2c6
Unpacked files
SH256 hash:
53bd45a2da8a0db00c6202fd66651bde1b5ede0cdee998654c64d037ccfa9b68
MD5 hash:
75b879119ba9e7a7e70c0652635372e0
SHA1 hash:
80e50a578256a114e7422de9abf495f5d2cdebb2
Link:
https://www.unpac.me/results/94e21b54-2c9e-49bc-a960-91d86dd1291f/
SH256 hash:
635b2c1e402b46f58a622811a6af06e1fec83e1772adf210962c0bda14fe9dae
MD5 hash:
9f9362e8b39ad0beb71d62532822600f
SHA1 hash:
e4aa7f36d6466e695101671c50d66524eabc8f0c
Detections:
QuasarRAT
Create hunting rule
cn_utf8_windows_terminal
Create hunting rule
malware_windows_xrat_quasarrat
Create hunting rule
MAL_QuasarRAT_May19_1
Create hunting rule
MAL_BackNet_Nov18_1
Create hunting rule
INDICATOR_EXE_Packed_Fody
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Link:
https://www.unpac.me/results/94e21b54-2c9e-49bc-a960-91d86dd1291f/
SH256 hash:
e2fcfafe15f28cd30e05148a67bee2713e8d10b37d0a0c4266ffd82f72a4420c
MD5 hash:
51a9032586b981db4dd938874d9f531a
SHA1 hash:
1442813e878e92e878a5ddf9c5b96996f9ba16c2
Detections:
QuasarRAT
Create hunting rule
cn_utf8_windows_terminal
Create hunting rule
malware_windows_xrat_quasarrat
Create hunting rule
MAL_QuasarRAT_May19_1
Create hunting rule
MAL_BackNet_Nov18_1
Create hunting rule
INDICATOR_EXE_Packed_Fody
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Link:
https://www.unpac.me/results/94e21b54-2c9e-49bc-a960-91d86dd1291f/
SH256 hash:
6dc0dada4d505a66d739b766dd2fa8b254c5f9c94d9270d970bb00105b76e121
MD5 hash:
45ee1429ec155881b98aa16d8edb2a90
SHA1 hash:
4a41ba9b0d345612c14fc35fa8d7c85bbcbd1e6d
Detections:
QuasarRAT
Create hunting rule
cn_utf8_windows_terminal
Create hunting rule
malware_windows_xrat_quasarrat
Create hunting rule
MAL_QuasarRAT_May19_1
Create hunting rule
MAL_BackNet_Nov18_1
Create hunting rule
INDICATOR_EXE_Packed_Fody
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Link:
https://www.unpac.me/results/94e21b54-2c9e-49bc-a960-91d86dd1291f/
SH256 hash:
30fcbdba2a1ce58aede02ec47453ab570ea7cd7aadfd4f2bab69167f9ada6504
MD5 hash:
52df1f357ddefcd4e4d0b89379d5e9af
SHA1 hash:
786097fa40678c9fac920e53a90ad603b91f2534
Link:
https://www.unpac.me/results/94e21b54-2c9e-49bc-a960-91d86dd1291f/
SH256 hash:
60ca1574d0c916d1f5686bcf871488710a2677a68c94f65a2be47d707976c061
MD5 hash:
d8c04d4e36632b4d5fb0ffab446877ed
SHA1 hash:
6092ad4043c572c8a5616f8a1b343aa94bca25a3
Detections:
SUSP_NET_Large_Static_Array_In_Small_File_Jan24
Create hunting rule
HKTL_NET_GUID_Quasar
Create hunting rule
Link:
https://www.unpac.me/results/94e21b54-2c9e-49bc-a960-91d86dd1291f/
Parent samples :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 family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/53bd45a2da8a/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/53bd45a2da8a0db00c6202fd66651bde1b5ede0cdee998654c64d037ccfa9b68

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
Create hunting rule
Rule name:Costura_Protobuf
Create hunting rule
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_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:INDICATOR_EXE_Packed_ConfuserEx_Custom
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Custom; outside of GIT
Rule name:INDICATOR_EXE_Packed_Fody
Create hunting rule
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:Indicator_MiniDumpWriteDump
Create hunting rule
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
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:MAL_BackNet_Nov18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:MAL_BackNet_Nov18_1_RID2D6D
Create hunting rule
Author:Florian Roth
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Description:Detects QuasarRAT malware
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: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:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
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.

Malspam

QuasarRAT

Executable exe 53bd45a2da8a0db00c6202fd66651bde1b5ede0cdee998654c64d037ccfa9b68

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/42021/

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