MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83a544e3ad03e3dcd9ad3b3a2a26dbbe381eb2e37e3da0616699f70fc3c78abf. 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: 21


Intelligence 21 IOCs YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 83a544e3ad03e3dcd9ad3b3a2a26dbbe381eb2e37e3da0616699f70fc3c78abf
SHA3-384 hash: 289011ba72ee143c51a7aa68df43b2938b68280ff34015e18ad61d427a647570bc89fa0f2ab7b614a201b48eb0bcfac3
SHA1 hash: 7b2ad480cafb004d7140e57100f817b47b8c98db
MD5 hash: f0b1db72f9655e7930ac105b3d48c2e1
humanhash: bacon-burger-william-early
File name:924b0ba6-e74e-4c09-aebe-86b4db498070.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:244'224 bytes
First seen:2025-10-25 10:49:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:pkNwOdHLPrn+wrXkyYEhR5m26Yy5Th7kwYx:aNfdHLPrn+wrXnVZd6Ys75
Threatray 3'728 similar samples on MalwareBazaar
TLSH T1D934FF037E88EB15E1A87E3782EF6C2413F2B4C71633860BAF49AF6518516525C7E72D
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
198
Origin country :
GR GR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
924b0ba6-e74e-4c09-aebe-86b4db498070.exe
Verdict:
Malicious activity
Analysis date:
2025-10-25 10:50:34 UTC
Tags:
stealer evasion ftp agenttesla
Link:
https://app.any.run/tasks/b1f2c9cb-e61c-4c44-a0a4-2567f0883b11

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/34083/
Detection(s):
Win.Packed.Generic-10003641-0
Create hunting rule

Win.Packed.Generic-10011753-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68fcab483bdc93eb056424ff
Tags:
agenttesla lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Сreating synchronization primitives
Sending an HTTP GET request
Reading critical registry keys
Launching a service
Changing a file
Creating a window
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
agenttesla anti-vm azorult base64 evasive fingerprint hacktool infostealer keylogger obfuscated obfuscated reconnaissance stealer vbnet windows
Link:
https://www.filescan.io/uploads/68fcab413a79800405f5f210/reports/95fb8ae5-8ed0-4e0b-97e8-bfddfe08439e/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/83a544e3ad03e3dcd9ad3b3a2a26dbbe381eb2e37e3da0616699f70fc3c78abf
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-07T20:13:00Z UTC
Last seen:
2025-10-26T04:38:00Z UTC
Hits:
~10
Detections:
Trojan-PSW.Win32.Disco.sb HEUR:Trojan-Spy.MSIL.Agent.sb Trojan-PSW.Agensla.TCP.C&C Trojan-PSW.Win32.Stealer.sb Trojan-PSW.MSIL.Agensla.sb Trojan-PSW.MSIL.Agensla.d HEUR:Trojan-PSW.MSIL.Agensla.a HEUR:Trojan.MSIL.Shelpak.gen Trojan-Spy.Stealer.FTP.C&C Trojan-PSW.MSIL.Agensla Trojan.Win32.Agent.sb PDM:Trojan.Win32.Generic NetTool.PlainTextCredentials.FTP.C&C
Link:
https://opentip.kaspersky.com/83a544e3ad03e3dcd9ad3b3a2a26dbbe381eb2e37e3da0616699f70fc3c78abf/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7625f25d-df43-4c34-bc4a-84347aac7b98
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/83a544e3ad03e3dcd9ad3b3a2a26dbbe381eb2e37e3da0616699f70fc3c78abf
Verdict:
AgentTesla
YARA:
14 match(es)
Tags:
.Net AgentTesla Executable Managed .NET PE (Portable Executable) PE File Layout RAT SOS: 0.50 Win 32 Exe x86
Link:
https://app.malva.re/file/f0b1db72f9655e7930ac105b3d48c2e1
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/83a544e3ad03e3dcd9ad3b3a2a26dbbe381eb2e37e3da0616699f70fc3c78abf/
Verdict:
Malicious
Threat:
Family.AGENTTESLA
Link:
https://tip.neiki.dev/file/83a544e3ad03e3dcd9ad3b3a2a26dbbe381eb2e37e3da0616699f70fc3c78abf
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2025-10-10 19:03:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
31 of 36 (86.11%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qosujy5napr5zwnnhm5cujw3xy4b5mxdpy62aylgth3q7q6hrk7q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2fac802da7057d67fa47ea71fd6f028a1f6a60c0120d087dd6603d82c8fc4779
AgentTesla
938d90bf1bb3fcb3c7352990f0c05603b0208bee21b6e3d02b5f0cab97f7f35d
AgentTesla
d2f57680ae4b56df0df9c0e345173f59db9d8c0dea30ffb561f64237ff25c205
AgentTesla
d6fc5f9611c4d44858277a1c792ef65f864b0933a5abd3ed0d209714a8be6aaa
AgentTesla
d98a372deb31439799f2cfdf7a8a0421d71d8c6dc9a2144ba7bcc6894c14f5b2
AgentTesla
+ 3'718 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla discovery keylogger spyware stealer trojan
Link:
https://tria.ge/reports/251025-mw1etaby9f/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
System Location Discovery: System Language Discovery
Looks up external IP address via web service
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Agenttesla family
Verdict:
Malicious
Tags:
stealer agent_tesla trojan Win.Packed.Generic-10003641-0 External_IP_Lookup
YARA:
AgentTeslaV2 AgentTeslaV3 AgentTeslaV5 Agenttesla_type2 JPCERTCC_Agenttesla_Type2 MALWARE_Win_AgentTeslaV2 Windows_Trojan_AgentTesla_ebf431a8 Windows_Generic_Threat_9f4a80b2
Link:
https://app.threat.zone/submission/1f05ad17-71d6-4262-a7e7-3ad324c439b8
Unpacked files
SH256 hash:
83a544e3ad03e3dcd9ad3b3a2a26dbbe381eb2e37e3da0616699f70fc3c78abf
MD5 hash:
f0b1db72f9655e7930ac105b3d48c2e1
SHA1 hash:
7b2ad480cafb004d7140e57100f817b47b8c98db
Detections:
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/fe6ae40d-c65e-4071-8f9b-4b1e2df7a92c/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/83a544e3ad03/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/83a544e3ad03e3dcd9ad3b3a2a26dbbe381eb2e37e3da0616699f70fc3c78abf

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:AgentTeslaV2
Create hunting rule
Author:ditekshen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:MALWARE_Win_AgentTeslaV2
Create hunting rule
Author:ditekSHen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Windows_Generic_Threat_9f4a80b2
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information

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

Malspam

AgentTesla

PowerShell (PS) ps1 d6be3636790bf843b8ea28594aaf894861e5beb00d53ef17480981149d7009c2

AgentTesla

Executable exe 83a544e3ad03e3dcd9ad3b3a2a26dbbe381eb2e37e3da0616699f70fc3c78abf

(this sample)

DLL dll bb388854ce997acd7ad77e4af898d49cc71778d186d506f30ad73053359a1555

  
Dropped by
SHA256 d6be3636790bf843b8ea28594aaf894861e5beb00d53ef17480981149d7009c2
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/34083/
  
Dropping
SHA256 bb388854ce997acd7ad77e4af898d49cc71778d186d506f30ad73053359a1555
  
Dropping
MD5 1ac2a67afed96654bc68c45ab694274b
  
URLhaus
https://urlhaus.abuse.ch/url/3666012/
  
Dropped by
MD5 5599ccdeb512dc0c6b82fa9430394232

Comments