MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 06879f85dc934cf1d8074bbe94b9bc88e0eecdc325c9ac790195ff5225552bfd. 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 26 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 06879f85dc934cf1d8074bbe94b9bc88e0eecdc325c9ac790195ff5225552bfd
SHA3-384 hash: 91eee6f2bc845ec1c7b4dc15548aa78220de353d682de118ddf7fe5c2cd07d8a2e069d4a4b012f830a326d922ed6f96e
SHA1 hash: 914255d535ac0ed7f112a1d6a01580c7b86baca8
MD5 hash: 15e668ec8730d6e2cd82379190631dd1
humanhash: jersey-diet-echo-november
File name:Client-built.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:1'950'720 bytes
First seen:2025-07-26 23:04:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:0rmegPOSueWBRrRREJNN0m8yXP8oc5R+NntqN0KK8i7yviUBQa2aOwIUyl2ZV2Dy:0rZuo7rRFirm+Nn42KK8i7Ltwa+VVaS
TLSH T1D8950150B7F68116F1BF1BB9A4B704450B77BA139B3AC34E498CA09D1FA37409E613A7
TrID 58.8% (.RLL) Microsoft Resource Library (x86) (177572/6/26)
24.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
5.4% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
3.4% (.EXE) Win64 Executable (generic) (10522/11/4)
2.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika pebin
Reporter AntiSkidding
Tags:exe Quasar QuasarRAT RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
42
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Client-built.exe
Verdict:
No threats detected
Analysis date:
2025-07-26 22:54:15 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9049f515-2011-4c54-b168-508e96ae061c

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/17104/
Detection(s):
Win.Malware.Generic-9883083-0
Create hunting rule

Win.Malware.Bulz-9933026-0
Create hunting rule

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

Win.Malware.Generic-6623004-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68855f44af3050dc8d315954
Tags:
vmdetect quasar emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm anti-vm base64 cmd explorer fingerprint hacktool lolbin packed privilege reconnaissance runonce update
Link:
https://www.filescan.io/uploads/68855f4042dbe1175d4296e9/reports/86d4bd37-7fc4-4985-ac2f-23bd5e58fa39/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/06879f85dc934cf1d8074bbe94b9bc88e0eecdc325c9ac790195ff5225552bfd
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e1da3a13-bd76-48be-b5fb-7bc2295b8a16
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/06879f85dc934cf1d8074bbe94b9bc88e0eecdc325c9ac790195ff5225552bfd
Verdict:
QuasarRat
YARA:
15 match(es)
Tags:
.Net Executable Fody/Costura Packer Html Malicious PDB Path PE (Portable Executable) QuasarRat RAT SOS: 0.14 SOS: 0.15 SOS: 0.18 SOS: 0.19 SOS: 0.20 SOS: 0.22 SOS: 0.23 SOS: 0.24 SOS: 0.25 SOS: 0.26 SOS: 0.27 SOS: 0.29 SOS: 0.32 SOS: 0.34 SOS: 0.35 SOS: 0.61 Win 32 Exe x86
Link:
https://app.malva.re/file/15e668ec8730d6e2cd82379190631dd1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/06879f85dc934cf1d8074bbe94b9bc88e0eecdc325c9ac790195ff5225552bfd/
Verdict:
Malicious
Threat:
ByteCode-MSIL.Malware.Heuristic
Link:
https://tip.neiki.dev/file/06879f85dc934cf1d8074bbe94b9bc88e0eecdc325c9ac790195ff5225552bfd
Threat name:
ByteCode-MSIL.Hacktool.Aikaantivm
Create hunting rule
Status:
Malicious
First seen:
2025-07-26 23:05:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
29 of 35 (82.86%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=a2dz7bo4sngpdwahjo7jjon4rdqo5todexe2y6ibsx7vejkvfp6q._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
error
QuasarRAT
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:gunt spyware trojan
Link:
https://tria.ge/reports/250726-224rradr4v/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
openport.io:22105
Verdict:
Malicious
Tags:
red_team_tool rat quasar_rat backdoor backnet Win.Malware.Generic-9883083-0
YARA:
HKTL_EXE_AlKhaser_Jul_01 MAL_QuasarRAT_May19_1 malware_windows_quasarrat MAL_BackNet_Nov18_1
Link:
https://app.threat.zone/submission/5af6e71e-da2a-4dad-91e3-715d3d7b8082
Unpacked files
SH256 hash:
06879f85dc934cf1d8074bbe94b9bc88e0eecdc325c9ac790195ff5225552bfd
MD5 hash:
15e668ec8730d6e2cd82379190631dd1
SHA1 hash:
914255d535ac0ed7f112a1d6a01580c7b86baca8
Detections:
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/8e202ce3-872d-4ef6-95fd-0a5510832a5e/
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/06879f85dc934cf1d8074bbe94b9bc88e0eecdc325c9ac790195ff5225552bfd

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: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:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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
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
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)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/17104/

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

Comments