MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cf46903b22a7c767238431d7bebf8109a3ee11e2be9aa6c2f72500a34075661. 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



Threat unknown


Vendor detections: 13


Intelligence 13 IOCs YARA 7 File information Comments

SHA256 hash: 4cf46903b22a7c767238431d7bebf8109a3ee11e2be9aa6c2f72500a34075661
SHA3-384 hash: 5d8ed0a6f22e891984594c537951e1a94b7c91e8dee3250cfac43548ea99b9af91e34ec510f9da25ad1b86bb1ade493f
SHA1 hash: dfffa18c5d8af0388f85c6aa63dfe4c6de65f7ee
MD5 hash: b7226d0ed1acfc1830e300948cdf432d
humanhash: equal-juliet-hotel-alaska
File name:Nursultan_Loader.exe
Download: download sample
File size:6'502'400 bytes
First seen:2026-03-01 16:33:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'818 x AgentTesla, 19'742 x Formbook, 12'286 x SnakeKeylogger)
ssdeep 49152:r3PGFjJHufIZ2mca4klgbzxuL+47noG1tIJUbChvv7nwYVetiV3RFCx7Hitu3AeI:r3uFjTuxxtEoaCJVhT0scEuQpA1
Threatray 1 similar samples on MalwareBazaar
TLSH T17166900CFD92F809DE2A3DB7CFE510045FB125C1AE1284562119AFFD97AA3B255E263C
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter burger
Tags:exe SheetRat

Intelligence


File Origin
# of uploads :
1
# of downloads :
123
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
PostExploitTool
Details
Malware family:
n/a
ID:
1
File name:
Nursultan_Loader.exe
Verdict:
Malicious activity
Analysis date:
2026-03-01 16:32:13 UTC
Tags:
sheet rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
91.7%
Tags:
autorun shell sage blic
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 obfuscated reconnaissance vbnet
Result
Gathering data
Verdict:
Malicious
File Type:
exe x32
Detections:
Trojan.Win64.Agent.smdlnf Trojan.Win32.Agent.sb HEUR:Trojan-Spy.MSIL.Bobik.gen HEUR:Trojan.Win64.Convagent.gen HEUR:Trojan.MSIL.Xdwd.gen
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allows loading of unsigned dll using appinit_dll
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
Creates an undocumented autostart registry key
Drops large PE files
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Execution from Suspicious Folder
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)
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1876532 Sample: Nursultan_Loader.exe Startdate: 01/03/2026 Architecture: WINDOWS Score: 100 42 Licksss-54327.portmap.host 2->42 46 Multi AV Scanner detection for submitted file 2->46 48 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 2->48 50 Connects to many ports of the same IP (likely port scanning) 2->50 52 4 other signatures 2->52 8 Nursultan_Loader.exe 4 5 2->8         started        13 AMDHoiseSuppression.exe 1 2->13         started        15 xdwdCamtasia Upgrade.exe 1 2->15         started        17 2 other processes 2->17 signatures3 process4 dnsIp5 44 Licksss-54327.portmap.host 193.161.193.99, 49715, 49716, 49718 BITREE-ASRU Russian Federation 8->44 40 C:\Users\Public\...\AMDHoiseSuppression.exe, PE32 8->40 dropped 56 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->56 58 Creates an undocumented autostart registry key 8->58 60 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 8->60 64 4 other signatures 8->64 19 cmd.exe 1 8->19         started        22 WmiPrvSE.exe 8->22         started        62 Antivirus detection for dropped file 13->62 24 cmd.exe 1 15->24         started        26 cmd.exe 17->26         started        file6 signatures7 process8 signatures9 54 Uses schtasks.exe or at.exe to add and modify task schedules 19->54 28 conhost.exe 19->28         started        30 schtasks.exe 1 19->30         started        32 conhost.exe 24->32         started        34 schtasks.exe 1 24->34         started        36 conhost.exe 26->36         started        38 schtasks.exe 26->38         started        process10
Verdict:
inconclusive
YARA:
11 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.82 Win 32 Exe x86
Gathering data
Verdict:
malicious
Label(s):
sheetrat
Result
Malware family:
n/a
Score:
  10/10
Tags:
credential_access execution persistence privilege_escalation spyware stealer
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Drops file in Windows directory
Adds Run key to start application
Credentials from Password Stores: Windows Credential Manager
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Event Triggered Execution: AppInit DLLs
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
4cf46903b22a7c767238431d7bebf8109a3ee11e2be9aa6c2f72500a34075661
MD5 hash:
b7226d0ed1acfc1830e300948cdf432d
SHA1 hash:
dfffa18c5d8af0388f85c6aa63dfe4c6de65f7ee
SH256 hash:
35c8d022e1d917f1aabdceae98097ccc072161b302f84c768ca63e4b32ac2b66
MD5 hash:
16e5a492c9c6ae34c59683be9c51fa31
SHA1 hash:
97031b41f5c56f371c28ae0d62a2df7d585adaba
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:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:reverse_http
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
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:telebot_framework
Author:vietdx.mb

File information


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

Comments