MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86e4f01efa31f2491341bcc774c318ef1bda2d1dcd1bbce13b463c2f1b517221. 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: 14


Intelligence 14 IOCs YARA 32 File information Comments

SHA256 hash: 86e4f01efa31f2491341bcc774c318ef1bda2d1dcd1bbce13b463c2f1b517221
SHA3-384 hash: bcd978ef3ae1cf7cc7721d9c58d0aeab29ea1a40dc348b75f771db8c8a0b2645c936a7b3fff0708b1ea76054e5d7fc05
SHA1 hash: 17e6a15396e8882069da1f5c8901189fda7885ee
MD5 hash: 9ea5b9c9d068ca3174d8f1edc5040ee7
humanhash: yankee-jersey-lion-lemon
File name:rScreenshot_Image00012.exe
Download: download sample
Signature QuasarRAT
File size:3'841'536 bytes
First seen:2025-06-29 15:30:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 98304:KdXRvvo0jexreLapWzldmrK51mqkrLmn:KdB7jeleOzrKbmqL
Threatray 87 similar samples on MalwareBazaar
TLSH T1B40633CC329074FEC44BC1B54FB84C78AA617C7B536B6217A11B395ABA7C047DF680A6
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 f0c0db6c6a7af0fc (24 x Formbook, 6 x QuasarRAT, 5 x RemcosRAT)
Reporter FXOLabs
Tags:exe QuasarRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
203
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rScreenshot_Image00012.exe
Verdict:
Malicious activity
Analysis date:
2025-06-29 15:30:19 UTC
Tags:
auto-reg confuser crypto-regex

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
autorun packed spawn sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
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 entropy explorer lolbin net obfuscated obfuscated packed packed packer_detected
Verdict:
inconclusive
YARA:
7 match(es)
Tags:
Executable PE (Portable Executable) Win 32 Exe x86
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2025-06-29 14:53:32 UTC
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:office07 discovery spyware trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Executes dropped EXE
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
mjoatboating.ydns.eu:4787
bhirtyfive55.ydns.eu:4785
Verdict:
Informative
Tags:
red_team_tool
YARA:
SUSP_NET_NAME_ConfuserEx
Unpacked files
SH256 hash:
86e4f01efa31f2491341bcc774c318ef1bda2d1dcd1bbce13b463c2f1b517221
MD5 hash:
9ea5b9c9d068ca3174d8f1edc5040ee7
SHA1 hash:
17e6a15396e8882069da1f5c8901189fda7885ee
SH256 hash:
3202e94d554ec2b9aec7e6da095374cc28bc596788b2d96be5effc07ab01e457
MD5 hash:
3ef075163e17661f24f19f602cba21e4
SHA1 hash:
05e3fe278513601c43752f859e016157e5aa6bd7
Detections:
SUSP_NET_NAME_ConfuserEx INDICATOR_EXE_Packed_ConfuserEx INDICATOR_EXE_Packed_ConfuserEx_Custom
SH256 hash:
1ae45e306ac5b9172d7436140a7c21be781aadab9b576c6f420a9e6e7f98a8ca
MD5 hash:
0377eebf664dce8150a9ce4f605566cd
SHA1 hash:
8357446f18fa780a82e5f5d69a6465d3902881cb
SH256 hash:
e0c2f98de7226a6031acbedd1c19479cf50398653fe2c7c01b93bfabcdfb7d57
MD5 hash:
a51300f24dc92b316fa88b9b804a12e6
SHA1 hash:
ab5935bec7626f3f254ae1a6b1f8df104ccf0225
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
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:botnet_plaintext_c2
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
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.

Malspam

QuasarRAT

Executable exe 86e4f01efa31f2491341bcc774c318ef1bda2d1dcd1bbce13b463c2f1b517221

(this sample)

  
Delivery method
Distributed via e-mail attachment

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