MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3fd23a9a23431b052b1e56000df22ef8bdf753601db53e0dc50161490cdf47c. 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: 17


Intelligence 17 IOCs YARA 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c3fd23a9a23431b052b1e56000df22ef8bdf753601db53e0dc50161490cdf47c
SHA3-384 hash: 9797273a5747ba06572b2309c0df9f43796557b6c6146eab8dfb05f1f85d8a95aadc34ac6a2238069bd2553be2d65237
SHA1 hash: a759577d2bdec9bba7593d6cee4e091f4acb8c55
MD5 hash: b32c525340f5a73c7a4ea32b35b4ebb7
humanhash: oklahoma-lactose-low-hawaii
File name:c3fd23a9a23431b052b1e56000df22ef8bdf753601db53e0dc50161490cdf47c
Download: download sample
Signature AgentTesla
Create hunting rule
File size:704'000 bytes
First seen:2025-12-08 15:14:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:+f/V7HRec0Y7jtSRc8RUmQMGloM7m3WiTHpMkBQxsmV1xaxBZW0bF:+f/VNHjtShGmQW33jTHHBQxNV1cxfh
TLSH T1DDE4011412AADF06E4771FF90620E2745BB4BCDD9826C35B8FD92DDFB86AB400990793
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
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
67
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
AgentTesla RoboSki
Details
AgentTesla
a c2 communications type, and based upon the c2 communications type: SMTP, HTTP, FTP, TELEGRAM, or DISCORD WEBHOOK parameters
RoboSki
a Base64 + XOR/Sub-decrypted component, its associated key, a mutex, a filename, and ReZer0 configuration parameters including: a load type, a download URL and filename (if configured), an interval (if configured), and varying flags
RoboSki
an extracted ReZer0 payload
Link:
https://research.acce.ciphertechsolutions.com/results/bdbc9890-6831-497d-831e-7408e070cff2/
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
c3fd23a9a23431b052b1e56000df22ef8bdf753601db53e0dc50161490cdf47c
Verdict:
Malicious activity
Analysis date:
2025-12-08 21:45:16 UTC
Tags:
auto-sch-xml stealer ultravnc rmm-tool exfiltration smtp agenttesla
Link:
https://app.any.run/tasks/784f8603-acb0-4703-9ae1-39b57d42b6f9

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/43396/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6936ebebdb58e1a2c22b8f5c
Tags:
shell virus lien msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c3fd23a9a23431b052b1e56000df22ef8bdf753601db53e0dc50161490cdf47c
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-19T03:41:00Z UTC
Last seen:
2025-12-10T10:20:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/c3fd23a9a23431b052b1e56000df22ef8bdf753601db53e0dc50161490cdf47c/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/3684414b-eb38-4794-bbca-a1297bbba0cc
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c3fd23a9a23431b052b1e56000df22ef8bdf753601db53e0dc50161490cdf47c
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.20 Win 32 Exe x86
Link:
https://app.malva.re/file/b32c525340f5a73c7a4ea32b35b4ebb7
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c3fd23a9a23431b052b1e56000df22ef8bdf753601db53e0dc50161490cdf47c/
Threat name:
Win32.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2025-11-19 06:25:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
26 of 36 (72.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yp6shkncgqy3auvr4vqabxzc56f565jwahnvhyg4kalbjegn6r6a._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
unc_loader_078
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 execution keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/251208-smk7esypgr/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
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
Command and Scripting Interpreter: PowerShell
AgentTesla
Agenttesla family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7a1dc775-7cd2-4111-931d-877946d9da88
Unpacked files
SH256 hash:
111e88b06ab4bda9dcea292177f2fbf656f056ee3bc315aea8861653872867a4
MD5 hash:
ca046727926a963297a6f802f7f59312
SHA1 hash:
49c2d05a1f1ea2530c2b54c1450b70ab1595175c
Link:
https://www.unpac.me/results/ab6e9391-9bf6-40cc-b1bc-25fc40c6c27b/
SH256 hash:
2ba2827f977440b05ac747d7561301e7f9405723f0fa628c2279bb8e83edb8cc
MD5 hash:
ca1cb0f0e0078b828b2d1587681c4312
SHA1 hash:
7168811c10b4a749c84857ce7048168fe948e9d2
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/ab6e9391-9bf6-40cc-b1bc-25fc40c6c27b/
SH256 hash:
68a985d25e4a014e8f9c08517de76cb3538b9f93349cf05744c23c71bae4ff03
MD5 hash:
3d6fca526571c3175acdbbffd2cc04f4
SHA1 hash:
8aaa27fb0aee20a93197cae2fa831418876283eb
Detections:
win_agent_tesla_g2
Create hunting rule
AgentTesla
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/ab6e9391-9bf6-40cc-b1bc-25fc40c6c27b/
Parent samples :
c3fd23a9a23431b052b1e56000df22ef8bdf753601db53e0dc50161490cdf47c
557a23bc897c4f8c4d902c834fb91310834ccb6a38523e7fff61de40e016f7fb
fbabaf0bb835c3c27bb5b01c283e92d0e35ba3d4c3b8216d40e2fe59b0828b44
6fb8d03893d2eb011b8ec0de9b4d276528047a6c8b833cc8e7f1398ecc1695b8
SH256 hash:
c3fd23a9a23431b052b1e56000df22ef8bdf753601db53e0dc50161490cdf47c
MD5 hash:
b32c525340f5a73c7a4ea32b35b4ebb7
SHA1 hash:
a759577d2bdec9bba7593d6cee4e091f4acb8c55
Link:
https://www.unpac.me/results/ab6e9391-9bf6-40cc-b1bc-25fc40c6c27b/
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: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: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_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:NET
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.

Cape
Cape
https://www.capesandbox.com/analysis/43396/

Comments