MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b3c3e6d8c540773529da82ad7c28265d6a5462e96d1f07a7781dd76c6004ac5. 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: 19


Intelligence 19 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8b3c3e6d8c540773529da82ad7c28265d6a5462e96d1f07a7781dd76c6004ac5
SHA3-384 hash: 8671772f915fa6e6758b88f0ced10177a89d03c4ef8f680b3f3533428cc25f341f9be836a800e6e09c193b8070158389
SHA1 hash: 94297481cb07724d1227f1e2fd100c14dae90c8f
MD5 hash: 187a5fba7147a34cee0343d4121e14a4
humanhash: fix-salami-summer-berlin
File name:8b3c3e6d8c540773529da82ad7c28265d6a5462e96d1f07a7781dd76c6004ac5
Download: download sample
Signature AgentTesla
Create hunting rule
File size:695'808 bytes
First seen:2025-05-09 13:02:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:jFQ2Dt9uNVpsESGUo6541SPvKi8NLoaRa976k6KXJ6uIO7DGXlOh6y:dHuN4NGxBmp3aRaJ6kXEOHmsZ
Threatray 3'644 similar samples on MalwareBazaar
TLSH T1B7E4233DEF93A723CB2C4BBBD41324040635C848B6A2F39E55E91EF80F66B59C48B955
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
342
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
8b3c3e6d8c540773529da82ad7c28265d6a5462e96d1f07a7781dd76c6004ac5
Verdict:
Malicious activity
Analysis date:
2025-05-09 17:45:59 UTC
Tags:
stealer exfiltration agenttesla ftp ultravnc rmm-tool netreactor
Link:
https://app.any.run/tasks/d117ec61-07dd-4e8a-a646-0e091a2f5a05

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.9960.23186.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=681dfea0e16384d6a7034551
Tags:
virus micro lien msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Stealing user critical data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook obfuscated obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/681dfce70b64e174c41fabd8/reports/f24be2de-a976-4067-8aa2-d97db7f6c3ad/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/8b3c3e6d8c540773529da82ad7c28265d6a5462e96d1f07a7781dd76c6004ac5
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/88e31ff5-174a-44fb-bc60-4d05ea87b80d
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1686442
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Suricata IDS alerts for network traffic
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8b3c3e6d8c540773529da82ad7c28265d6a5462e96d1f07a7781dd76c6004ac5
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8b3c3e6d8c540773529da82ad7c28265d6a5462e96d1f07a7781dd76c6004ac5/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2025-04-18 06:26:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
24 of 35 (68.57%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rm6d43mmkqdxguu5vavnpqucmxlkkrros3i7a6txqhoxnrqajlcq._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
543a5190118c546db54b03846c3927a4cefc69809b5854fdd0fecf1763dfed2f
AgentTesla
8344985d7cc3ba5ca5a767d9a35adc1d9e8a9c45007f40ba8c802f28a1d0739d
AgentTesla
d71c1598f04d52b66983f6e7341b1f940e4732a6acd57bf021f9f00f85235d42
AgentTesla
e6c6194e4faab668e63d15a669360bb8853f392394d964788b1202f6eb1f3053
AgentTesla
+ 3'634 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/250509-p93s7svsaw/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Agenttesla family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5ac5179d-c9ff-4c9c-a61b-da5c43633085
Unpacked files
SH256 hash:
8b3c3e6d8c540773529da82ad7c28265d6a5462e96d1f07a7781dd76c6004ac5
MD5 hash:
187a5fba7147a34cee0343d4121e14a4
SHA1 hash:
94297481cb07724d1227f1e2fd100c14dae90c8f
Link:
https://www.unpac.me/results/6dcf703d-d628-4a5b-a6d6-43ae5be8a7cf/
SH256 hash:
31bc97a1ab065dd497e772032a542190b899ea5b995edebe86595d7d6dfe06ad
MD5 hash:
533b08152584b64a607845c10c751ff8
SHA1 hash:
6486d16b037ac1a3b7241c554f17df34a707511e
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/6dcf703d-d628-4a5b-a6d6-43ae5be8a7cf/
Parent samples :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 hash:
5a3b17af07e1b496eee567567e1f9dd89e4063823181ff65712ef57d62af0ee1
MD5 hash:
6f08b67444e908f62ffef931077d56a7
SHA1 hash:
bf32c6bf470433bd3e028abf0d815e3451c1e142
Detections:
win_agent_tesla_g2
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
MALWARE_Win_AgentTeslaV2
Create hunting rule
Agenttesla_type2
Create hunting rule
Link:
https://www.unpac.me/results/6dcf703d-d628-4a5b-a6d6-43ae5be8a7cf/
Parent samples :
d71c1598f04d52b66983f6e7341b1f940e4732a6acd57bf021f9f00f85235d42
e6c6194e4faab668e63d15a669360bb8853f392394d964788b1202f6eb1f3053
543a5190118c546db54b03846c3927a4cefc69809b5854fdd0fecf1763dfed2f
0a928c91d233aaf06fdb99b830b6876c237f625fcbd07ec7dc1667db9b261f7c
f8ceccd87798a4b31601e8823445b9e752fd89e338067b163c600ec18cc9e299
f0479ea8dcfa35614713f9ce84e402127a00a219cf2ac67dc3a83589dc2ed98a
e086ab2b8eb88e08c6cb90cc70f88835dbf49755271e441cfcf8816c4045bd8d
3cceb416401c459f0e93def44f818c076273b45dc18af4930b2423f53efa9cdf
442f27988c037adbd2cfbcf0f39cfb3214d7d595b3de99625d4c07b0181bd565
7cdf2ba16cb48d9b06ee82ad1791cdc889b71987eca1bf485a0cea2b67907c61
6804f024efe2184091398ea138ccd2c04a4c33551d13391db3dd293803d56ecc
8b3c3e6d8c540773529da82ad7c28265d6a5462e96d1f07a7781dd76c6004ac5
e9979cb83f1d3037c6eaa31ce167d250ca7439ab1b55a595c90bbc85b2918d11
20345515151dd9c4db1f9e97332aaaddc80ae9a2d6f75093e2701c5cc9e86dcf
44125a5ef2f4e177d83ca26e4c8b0ec8fd228b393167e314d79de1de0eb7130e
bdb77fb15a71d15824003e2baca520124dab19ec99a1cd90e12769be216e1541
SH256 hash:
082b641f6c85f56816725c6b4f5f5448c0fb4d753679f954dba95993765eb4e9
MD5 hash:
0568dff70a1f551274df3a955863414c
SHA1 hash:
c7a00d1e179c47adffda7bf0b2c6356a560068e0
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/6dcf703d-d628-4a5b-a6d6-43ae5be8a7cf/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8b3c3e6d8c54/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/8b3c3e6d8c540773529da82ad7c28265d6a5462e96d1f07a7781dd76c6004ac5

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: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_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:NET
Create hunting rule
Author:malware-lu
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_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:Windows_Generic_Threat_808f680e
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.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments