MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 830e7555a21ef8eaf7c0476595d116806d5351e5e6d1e458f10cf9e7e93d7dd9. 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
AgentTesla
Vendor detections: 20
| SHA256 hash: | 830e7555a21ef8eaf7c0476595d116806d5351e5e6d1e458f10cf9e7e93d7dd9 |
|---|---|
| SHA3-384 hash: | 1f3336aca29731b5c43efdf1744f268d5fe8685aa99f13e13066636d708a4129613e0b462a683eb6be8c4d3b10f7ffe4 |
| SHA1 hash: | bb9ba0814a17fa6fd0cd02df32fa461409a511c8 |
| MD5 hash: | 0aec094b3b1ff45c3c0c8d385ac4b8e0 |
| humanhash: | alaska-sink-alabama-moon |
| File name: | DON KUL.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 1'244'672 bytes |
| First seen: | 2026-04-01 10:36:32 UTC |
| Last seen: | 2026-05-08 12:26:26 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 1895460fffad9475fda0c84755ecfee1 (456 x Formbook, 155 x AgentTesla, 79 x a310Logger) |
| ssdeep | 24576:25EmXFtKaL4/oFe5T9yyXYfP1ijXdayqDZhcobdcVF3oyf:2PVt/LZeJbInQRayGcobde4 |
| Threatray | 2'624 similar samples on MalwareBazaar |
| TLSH | T17345BF0273C1D062FFAB92334F5AF6115ABC79660123A62F13981D79BE701B1563E7A3 |
| TrID | 29.5% (.EXE) Win64 Executable (generic) (6522/11/2) 22.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 20.3% (.EXE) Win32 Executable (generic) (4504/4/1) 9.1% (.EXE) OS/2 Executable (generic) (2029/13) 9.0% (.EXE) Generic Win/DOS Executable (2002/3) |
| Magika | pebin |
| dhash icon | aae2f3e38383b629 (2'698 x Formbook, 1'203 x CredentialFlusher, 928 x AgentTesla) |
| Reporter |  James_inthe_box |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
3
# of downloads :
178
Origin country :
USVendor Threat Intelligence
Gathering data
Malware family:
agenttesla
ID:
1
File name:
DON KUL.exe
Verdict:
Malicious activity
Analysis date:
2026-04-01 10:38:50 UTC
Tags:
stealer evasion ftp agenttesla exfiltration netreactor
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
RedLine
Detection(s):
Verdict:
Malicious
Score:
94.9%
Tags:
autoit emotet lien
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% directory
Restart of the analyzed sample
Launching a process
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Reading critical registry keys
Launching a service
Changing a file
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script fingerprint formbook keylogger microsoft_visual_cc packed unsafe
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-03-31T20:54:00Z UTC
Last seen:
2026-04-03T08:04:00Z UTC
Hits:
~1000
Detections:
Trojan-PSW.Win32.Stealer.sb Trojan-PSW.MSIL.Agent.sb Trojan-PSW.MSIL.Agensla.adkd Trojan-PSW.Agensla.TCP.C&C Trojan.Win32.Inject.sb HEUR:Trojan-PSW.MSIL.Agensla.a Trojan.Win32.Auzenpak.sb Trojan.Win32.Agent.sb PDM:Trojan.Win32.Generic HEUR:Trojan.MSIL.Shelpak.gen Trojan-Spy.Stealer.FTP.C&C Trojan-PSW.MSIL.Agensla.sb Trojan.Win32.Zenpak.sb Trojan-PSW.Win32.Disco.sb Trojan-PSW.MSIL.Agensla.g Trojan.Win32.Strab.sb Trojan.MSIL.Crypt.sb
Malware family:
Agent Tesla
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Verdict:
Malicious
Threat:
Family.AGENTTESLA
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2026-04-01 03:29:56 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
27 of 38 (71.05%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
agenttesla
unc_loader_001
Similar samples:
+ 2'614 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla discovery keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Agenttesla family
Unpacked files
SH256 hash:
830e7555a21ef8eaf7c0476595d116806d5351e5e6d1e458f10cf9e7e93d7dd9
MD5 hash:
0aec094b3b1ff45c3c0c8d385ac4b8e0
SHA1 hash:
bb9ba0814a17fa6fd0cd02df32fa461409a511c8
SH256 hash:
536fbb89bda1873f8584792290bf191d15e03abe52186f22b94b77a060a8c8d8
MD5 hash:
62c14ee557ab6a0c48f7f5e108e11a60
SHA1 hash:
12508895893564417d7d8e5ddd2c485447c48386
Detections:
win_samsam_auto
SUSP_OBF_NET_Reactor_Native_Stub_Jan24
MAL_Malware_Imphash_Mar23_1
MetaStealer_NET_Reactor_packer
MALWARE_Win_RedLine
SH256 hash:
d6fdb93d235e1c5289e9c7ef8eda204e2eca1b70e4c8036669ff2f5d6002d9fd
MD5 hash:
30d24a7b3b22956f45677187545d7c5e
SHA1 hash:
13ee4b461496fe101d01c7fc4f933b57e31924d8
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Agenttesla_type2
INDICATOR_EXE_Packed_GEN01
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
INDICATOR_SUSPICIOUS_Binary_References_Browsers
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
MALWARE_Win_AgentTeslaV2
SH256 hash:
b5bb97015dd8fca70b392be97eb88f5a411ecdc0b59e7b28734ed775c7ca518d
MD5 hash:
a4b890af710d5e10c46a3d12459a0f6f
SHA1 hash:
78d1b66e31502167c30c8e167bd6a2d1203d3005
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
RedLine_Campaign_June2021
Agenttesla_type2
INDICATOR_EXE_Packed_GEN01
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
INDICATOR_SUSPICIOUS_Binary_References_Browsers
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
MALWARE_Win_AgentTeslaV2
Malware family:
RedNet
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | AutoIT_Compiled |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious. |
| 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: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | MALWARE_Win_RedLine |
|---|---|
| Author: | ditekSHen |
| Description: | Detects RedLine infostealer |
| Rule name: | MAL_Malware_Imphash_Mar23_1 |
|---|---|
| Author: | Arnim Rupp |
| Description: | Detects malware by known bad imphash or rich_pe_header_hash |
| Reference: | https://yaraify.abuse.ch/statistics/ |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_detect_tls_callbacks |
|---|
| 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: | TH_Generic_MassHunt_Win_Malware_2025_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Generic Windows malware mass-hunt rule - 2025 |
| 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. |
| Rule name: | win_samsam_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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