MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4594fcc979ece644907fedfb37dbb08ea5f15f0681719c29560aab7efe310e59. 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: 22


Intelligence 22 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4594fcc979ece644907fedfb37dbb08ea5f15f0681719c29560aab7efe310e59
SHA3-384 hash: c60c5a9249e8ee42e69a85e1a970010de55cd23ce123c02f0c92165826edca6f68723aa23736cc426772fb39ec51fe09
SHA1 hash: b7130468f7d6d6b28383c8f70746bed2828224b0
MD5 hash: 9f431b10cf7529fadaa7cee624aaa85c
humanhash: stairway-comet-fix-bakerloo
File name:8411052900.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'206'784 bytes
First seen:2025-12-01 07:35:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1895460fffad9475fda0c84755ecfee1 (438 x Formbook, 139 x AgentTesla, 69 x a310Logger)
ssdeep 24576:J5EmXFtKaL4/oFe5T9yyXYfP1ijXdakANlLxv2QbjdUg:JPVt/LZeJbInQRakALLIojd
Threatray 1 similar samples on MalwareBazaar
TLSH T14245BF027391C062FFAB96334F5AF6115BBC79260123A62F13981D79BE701B1563E7A3
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
147
Origin country :
CH CH
Vendor Threat Intelligence
Malware configuration found for:
AutoIt
Details
AutoIt
extracted scripts and files
Link:
https://research.acce.ciphertechsolutions.com/results/f7040238-72ed-4d91-b709-b56dfe9f71bd/
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
8411052900.exe
Verdict:
Malicious activity
Analysis date:
2025-12-01 07:37:34 UTC
Tags:
auto-startup stealer ultravnc rmm-tool exfiltration agenttesla netreactor smtp
Link:
https://app.any.run/tasks/e129310b-b9b0-47a2-a9d3-ca33d0abf089

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
RedLine
Create hunting rule
Link:
https://www.capesandbox.com/analysis/41989/
Detection(s):
SecuriteInfo.com.Win32.Trojan.Agent.35E5V6.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=692d4571c908fdc697473d44
Tags:
autorun autoit emotet lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
Using the Windows Management Instrumentation requests
Reading critical registry keys
Launching a service
Changing a file
DNS request
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script fingerprint keylogger microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/692d456fd0d5e7288b526524/reports/bb4f780d-e1bb-43f9-a8bb-72d4eab8a239/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/4594fcc979ece644907fedfb37dbb08ea5f15f0681719c29560aab7efe310e59
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-01T01:24:00Z UTC
Last seen:
2025-12-03T05:32:00Z UTC
Hits:
~1000
Detections:
Trojan-PSW.Agensla.TCP.C&C Trojan.Taskun.TCP.ServerRequest Trojan-PSW.Win32.Disco.sb Trojan-PSW.MSIL.Agensla.g PDM:Trojan.Win32.Generic Trojan-PSW.MSIL.Agensla.d Trojan.Win32.Zenpak.sb Trojan.Win32.Strab.sb Trojan-Spy.Agent.SMTP.C&C Trojan-Dropper.Win32.Dorifel.sbd Trojan-PSW.Win32.Stealer.sb Trojan-PSW.MSIL.Agensla.sb Trojan.Win32.Inject.sb Trojan.Win32.Auzenpak.sb HEUR:Trojan-PSW.MSIL.Agensla.a Trojan.MSIL.Crypt.sb Trojan-PSW.MSIL.Agensla.acpc
Link:
https://opentip.kaspersky.com/4594fcc979ece644907fedfb37dbb08ea5f15f0681719c29560aab7efe310e59/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1fbb1d6b-eb61-4cf9-862b-d95f71a056b4
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1823394
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Binary is likely a compiled AutoIt script file
Drops VBS files to the startup folder
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Unusual module load detection (module proxying)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1823394 Sample: 8411052900.exe Startdate: 01/12/2025 Architecture: WINDOWS Score: 100 36 mail.anytimecargomovers.com 2->36 48 Suricata IDS alerts for network traffic 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 9 other signatures 2->54 9 8411052900.exe 6 2->9         started        13 wscript.exe 1 2->13         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\penstocks.exe, PE32 9->32 dropped 68 Binary is likely a compiled AutoIt script file 9->68 70 Unusual module load detection (module proxying) 9->70 15 penstocks.exe 3 9->15         started        72 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->72 19 penstocks.exe 2 13->19         started        signatures6 process7 file8 34 C:\Users\user\AppData\...\penstocks.vbs, data 15->34 dropped 40 Antivirus detection for dropped file 15->40 42 Multi AV Scanner detection for dropped file 15->42 44 Binary is likely a compiled AutoIt script file 15->44 46 4 other signatures 15->46 21 RegSvcs.exe 2 15->21         started        25 penstocks.exe 2 19->25         started        27 RegSvcs.exe 19->27         started        signatures9 process10 dnsIp11 38 mail.anytimecargomovers.com 51.79.231.44, 49718, 49722, 587 OVHFR Canada 21->38 56 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->56 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 21->58 60 Tries to steal Mail credentials (via file / registry access) 21->60 62 Binary is likely a compiled AutoIt script file 25->62 64 Writes to foreign memory regions 25->64 66 Maps a DLL or memory area into another process 25->66 29 RegSvcs.exe 2 25->29         started        signatures12 process13 signatures14 74 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 29->74 76 Tries to steal Mail credentials (via file / registry access) 29->76 78 Tries to harvest and steal ftp login credentials 29->78 80 Tries to harvest and steal browser information (history, passwords, etc) 29->80
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4594fcc979ece644907fedfb37dbb08ea5f15f0681719c29560aab7efe310e59
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Link:
https://app.malva.re/file/9f431b10cf7529fadaa7cee624aaa85c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4594fcc979ece644907fedfb37dbb08ea5f15f0681719c29560aab7efe310e59/
Verdict:
Malicious
Threat:
Family.AGENTTESLA
Link:
https://tip.neiki.dev/file/4594fcc979ece644907fedfb37dbb08ea5f15f0681719c29560aab7efe310e59
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-12-01 04:58:09 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=iwkpzslz5ttejed75x5tpw5qr2s7cxygqfyzykkwbkvx57rrbzmq._file
Verdict:
malicious
Label(s):
unc_loader_001
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
error
AgentTesla
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla discovery keylogger spyware stealer trojan
Link:
https://tria.ge/reports/251201-jfcr2avkat/
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
AutoIT Executable
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
AgentTesla
Agenttesla family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2cfcc89c-89a9-4217-b27d-e4ac6dfab126
Unpacked files
SH256 hash:
4594fcc979ece644907fedfb37dbb08ea5f15f0681719c29560aab7efe310e59
MD5 hash:
9f431b10cf7529fadaa7cee624aaa85c
SHA1 hash:
b7130468f7d6d6b28383c8f70746bed2828224b0
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/fa0a82ef-3fc6-4c64-b18e-37ba82df5c9c/
SH256 hash:
19caed31b88baf508e4b5e8f6e5008943f6140604eab9fd11acef46fb71967f8
MD5 hash:
6cce4dc5ff7fdb8297b018a3c25db659
SHA1 hash:
9b8fc8776ecf6f49ea46ab5b5f97f56bb6b57de2
Detections:
win_samsam_auto
Create hunting rule
SUSP_OBF_NET_Reactor_Native_Stub_Jan24
Create hunting rule
MAL_Malware_Imphash_Mar23_1
Create hunting rule
MetaStealer_NET_Reactor_packer
Create hunting rule
MALWARE_Win_RedLine
Create hunting rule
Link:
https://www.unpac.me/results/fa0a82ef-3fc6-4c64-b18e-37ba82df5c9c/
SH256 hash:
b57239f7d33a1de3e4aa6fa1874636fb3cde38d359f7c302851721331e4d967d
MD5 hash:
ca09592735cdf06cbce7b97c6e5e93bb
SHA1 hash:
61b9aa348e626bf081f95606b957bbc3cfd79302
Detections:
AgentTesla
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Link:
https://www.unpac.me/results/fa0a82ef-3fc6-4c64-b18e-37ba82df5c9c/
SH256 hash:
4fcb014429b15b879f1303116163fd5b5148a91ad78dba0c54f85d1800154e7f
MD5 hash:
75169ecb23359349d44d62e0b2e35db2
SHA1 hash:
d70c4aadda4bb6f7bcb302f6b787fe5cab1b44d8
Detections:
AgentTesla
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
RedLine_Campaign_June2021
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Link:
https://www.unpac.me/results/fa0a82ef-3fc6-4c64-b18e-37ba82df5c9c/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4594fcc979ec/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4594fcc979ece644907fedfb37dbb08ea5f15f0681719c29560aab7efe310e59

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
Create hunting rule
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
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MALWARE_Win_RedLine
Create hunting rule
Author:ditekSHen
Description:Detects RedLine infostealer
Rule name:MAL_Malware_Imphash_Mar23_1
Create hunting rule
Author:Arnim Rupp
Description:Detects malware by known bad imphash or rich_pe_header_hash
Reference:https://yaraify.abuse.ch/statistics/
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Windows malware mass-hunt rule - 2025
Reference:https://cyfare.net/
Rule name:win_samsam_auto
Create hunting rule
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.

Malspam

AgentTesla

Executable exe 4594fcc979ece644907fedfb37dbb08ea5f15f0681719c29560aab7efe310e59

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/41989/

Comments