MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efa4b5a4c5427d34279857cff2b25c40da8c4b7ea39af7c9e89c3e30d0c232cf. 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



SheetRAT


Vendor detections: 15


Intelligence 15 IOCs YARA 20 File information Comments

SHA256 hash: efa4b5a4c5427d34279857cff2b25c40da8c4b7ea39af7c9e89c3e30d0c232cf
SHA3-384 hash: 921e65a711f03b4f39b2c8a23892a47f64093da39ef077da9dfcd412c49295d9008bf451c95d1937720b28d52520dfc1
SHA1 hash: 91d5ee307bf95e7d24b05b3787044b890457d3ac
MD5 hash: f1adb7f8f371fceca4e5c80f13c867cb
humanhash: mountain-lithium-indigo-muppet
File name:jcszxzwaefd5937z.exe
Download: download sample
Signature SheetRAT
File size:5'599'232 bytes
First seen:2026-06-17 08:11:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'125 x AgentTesla, 20'148 x Formbook, 12'362 x SnakeKeylogger)
ssdeep 12288:iaE0J7C2y2GPxrvHb/bGqffWIXWa3hkxN:
Threatray 3'921 similar samples on MalwareBazaar
TLSH T1EC46238B7AB5D22ED759CA3244FBD4F991BF966C4C238F17AC0461B19084CAC1DC6A4F
TrID 72.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.4% (.EXE) Win64 Executable (generic) (6522/11/2)
4.4% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter abuse_ch
Tags:exe SheetRat

Intelligence


File Origin
# of uploads :
1
# of downloads :
180
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
jcszxzwaefd5937z.exe
Verdict:
No threats detected
Analysis date:
2026-05-04 12:08:12 UTC
Tags:
n/a

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

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %temp% subdirectories
Loading a suspicious library
Creating a file in the Windows subdirectories
Creating a window
Searching for synchronization primitives
Creating a file
Launching a process
Launching cmd.exe command interpreter
Running batch commands
Deleting a recently created file
Creating a process from a recently created file
Connection attempt to an infection source
Setting browser functions hooks
Blocking the User Account Control
Blocking the Windows Defender launch
Unauthorized injection to a recently created process
Query of malicious DNS domain
Unauthorized injection to a system process
Unauthorized injection to a browser process
Enabling autorun
Enabling autorun by creating a file
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-05-04T09:14:00Z UTC
Last seen:
2026-06-19T00:26:00Z UTC
Hits:
~10
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
BlackLotus
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates a thread in another existing process (thread injection)
Creates an undocumented autostart registry key
Disable UAC(promptonsecuredesktop)
Disables UAC (registry)
Drops executables to the windows directory (C:\Windows) and starts them
Found direct / indirect Syscall (likely to bypass EDR)
Hooks files or directories query functions (used to hide files and directories)
Hooks processes query functions (used to hide processes)
Hooks registry keys query functions (used to hide registry keys)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Joe Sandbox ML detected suspicious sample
Modifies the prolog of user mode functions (user mode inline hooks)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential Privilege Escalation using Task Scheduler highest RunLevel
Protects its processes via BreakOnTermination flag
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Unusual module load detection (module proxying)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected BlackLotus BootKit
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1929201 Sample: jcszxzwaefd5937z.exe Startdate: 17/06/2026 Architecture: WINDOWS Score: 100 80 enfxl2hg3k.localto.net 2->80 82 ip-api.com 2->82 100 Antivirus detection for dropped file 2->100 102 Antivirus / Scanner detection for submitted sample 2->102 104 Multi AV Scanner detection for dropped file 2->104 106 10 other signatures 2->106 9 jcszxzwaefd5937z.exe 22 21 2->9         started        14 xdwdSysDefender.exe 3 2->14         started        signatures3 process4 dnsIp5 84 ip-api.com 208.95.112.1, 49691, 80 TUT-AS-TotalUptimeTechnologiesLLCUS United States 9->84 64 C:\Windows\xdwdWeb\SysMalwareDef.exe, PE32 9->64 dropped 66 C:\Windows\xdwdSystem32\xdwdSysDefender.exe, PE32 9->66 dropped 68 edc59527-1877-45e4-932a-8426fe23a3a7.dll, PE32+ 9->68 dropped 70 12 other malicious files 9->70 dropped 108 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 9->108 110 Protects its processes via BreakOnTermination flag 9->110 112 Creates an undocumented autostart registry key 9->112 122 10 other signatures 9->122 16 xdwdSysDefender.exe 9->16         started        20 cmd.exe 1 9->20         started        22 explorer.exe 40 1 9->22 injected 24 21 other processes 9->24 114 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 14->114 116 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 14->116 118 Drops executables to the windows directory (C:\Windows) and starts them 14->118 120 Unusual module load detection (module proxying) 14->120 file6 signatures7 process8 file9 56 fe792640-39b1-4067-807d-83a66591d060.dll, PE32+ 16->56 dropped 58 fcac2fcf-8a03-4c39-8ce8-52a3727d5631.dll, PE32+ 16->58 dropped 60 f6e7491b-2b2c-457b-b87f-0d02c539c674.dll, PE32+ 16->60 dropped 62 82 other malicious files 16->62 dropped 86 Protects its processes via BreakOnTermination flag 16->86 88 Injects code into the Windows Explorer (explorer.exe) 16->88 90 Writes to foreign memory regions 16->90 98 3 other signatures 16->98 26 SysMalwareDef.exe 16->26         started        30 cmd.exe 16->30         started        32 cmd.exe 16->32         started        42 3 other processes 16->42 92 Uses schtasks.exe or at.exe to add and modify task schedules 20->92 94 Potential Privilege Escalation using Task Scheduler highest RunLevel 20->94 96 Unusual module load detection (module proxying) 20->96 34 conhost.exe 20->34         started        36 mountvol.exe 1 20->36         started        38 conhost.exe 24->38         started        40 conhost.exe 24->40         started        44 15 other processes 24->44 signatures10 process11 file12 72 fbbc906d-70f1-436b-98e3-7f255bd761b5.dll, PE32+ 26->72 dropped 74 f8745a46-6450-46b8-9ff4-9b13b889eacc.dll, PE32+ 26->74 dropped 76 f75ebc26-644d-4601-ba60-edc4c41a3ba8.dll, PE32+ 26->76 dropped 78 82 other malicious files 26->78 dropped 124 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 26->124 126 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 26->126 128 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 26->128 130 8 other signatures 26->130 46 conhost.exe 30->46         started        48 schtasks.exe 30->48         started        50 Conhost.exe 30->50         started        52 conhost.exe 32->52         started        54 mountvol.exe 32->54         started        signatures13 process14
Gathering data
Threat name:
ByteCode-MSIL.Infostealer.ClipBanker
Status:
Malicious
First seen:
2026-05-04 12:08:17 UTC
File Type:
PE (.Net Exe)
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Result
Malware family:
sheetrat
Score:
  10/10
Tags:
family:sheetrat defense_evasion evasion execution persistence trojan
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
NTFS ADS
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
System policy modification
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Checks whether UAC is enabled
Enumerates connected drives
Looks up external IP address via web service
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Indicator Removal: Clear Windows Event Logs
Loads dropped DLL
Stops running service(s)
Windows security modification
Sets service image path in registry
Detects Sheetrat Payload
Family: Sheetrat, NonEuclid rat
Modifies WinLogon for persistence
Modifies Windows Defender DisableAntiSpyware settings
Modifies Windows Defender TamperProtection settings
Modifies security service
UAC bypass
Unpacked files
SH256 hash:
efa4b5a4c5427d34279857cff2b25c40da8c4b7ea39af7c9e89c3e30d0c232cf
MD5 hash:
f1adb7f8f371fceca4e5c80f13c867cb
SHA1 hash:
91d5ee307bf95e7d24b05b3787044b890457d3ac
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: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__MemoryWorkingSet
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:pe_imphash
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Suspicious_PssCaptureSnapshot_Usage
Author:Dana Behling - Just me not for personal curiosity, no company.
Description:Detects binaries abusing PssCaptureSnapshot in combination with typical combination that indicates malicious activity.
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:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/
Rule name:VECT_Ransomware
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information


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

Comments