MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3f3c13022d181943668305aac375efbd5b336d5c2a350ddabc2186b97abbf0c. 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: 18


Intelligence 18 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a3f3c13022d181943668305aac375efbd5b336d5c2a350ddabc2186b97abbf0c
SHA3-384 hash: 77f1da0321aab88e52c5c13d8fd2d3e1089bdb2bd2ae52d377564a8d983c3f8b87ac9cda5fd50ee6f9577319200d3877
SHA1 hash: 4d34ae031551b6eb04a1bb5e9fda5870d6a1ca65
MD5 hash: 1ca79b4b3a60cf4d4c40ce69a3ef0a1a
humanhash: five-artist-jersey-muppet
File name:a3f3c13022d181943668305aac375efbd5b336d5c2a350ddabc2186b97abbf0c
Download: download sample
Signature AgentTesla
Create hunting rule
File size:995'328 bytes
First seen:2025-12-08 16:10:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:QF1rI9hNCAPsvqk6Kr0QwmVxEUniTsSb:Qk9hNCAPX4
Threatray 37 similar samples on MalwareBazaar
TLSH T10925CF042BDB4E58F0FAAB38693552218BF0BC0EC736D75E7DD446DE1962BA08B11B53
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 :
93
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
a3f3c13022d181943668305aac375efbd5b336d5c2a350ddabc2186b97abbf0c
Verdict:
Malicious activity
Analysis date:
2025-12-09 06:40:40 UTC
Tags:
netreactor stealer evasion ftp agenttesla exfiltration
Link:
https://app.any.run/tasks/4dc0d97b-1ef6-4c94-86df-c4ae438de873

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/43873/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen4.6171.1981.31111.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6936f918db58e1a2c22b9f32
Tags:
virus micro remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypt obfuscated obfuscated vbnet
Link:
https://www.filescan.io/uploads/6936f8b1bc15eab491f744ab/reports/7fee2481-4ed9-47a8-9362-6ce013eda098/overview
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8
Link:
https://www.hybrid-analysis.com/sample/a3f3c13022d181943668305aac375efbd5b336d5c2a350ddabc2186b97abbf0c
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-29T13:26:00Z UTC
Last seen:
2025-12-10T13:12:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/a3f3c13022d181943668305aac375efbd5b336d5c2a350ddabc2186b97abbf0c/results?tab=lookup
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a3f3c13022d181943668305aac375efbd5b336d5c2a350ddabc2186b97abbf0c
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.85 Win 32 Exe x86
Link:
https://app.malva.re/file/1ca79b4b3a60cf4d4c40ce69a3ef0a1a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a3f3c13022d181943668305aac375efbd5b336d5c2a350ddabc2186b97abbf0c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2025-11-29 19:27:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=upz4cmbc2gazintigbnkyn267pk3gnwvykrvbxnlyimgxf5lx4ga._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
426fd8cbda5097fbd159476c10aaea55508712928bfcc765fe6b423b57b545f6
AgentTesla
8989c105f6a548982cbf744de60417d0d3137e2559335e43ba0ea1355b93b163
AgentTesla
a515fd4ef2d7b5c1d60af04da2e2138036f493ce5d02d1491354560b718f80ce
AgentTesla
d98a372deb31439799f2cfdf7a8a0421d71d8c6dc9a2144ba7bcc6894c14f5b2
AgentTesla
+ 27 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/251208-tm6nssykgy/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Looks up external IP address via web service
.NET Reactor proctector
AgentTesla
Agenttesla family
Verdict:
Malicious
Tags:
AgentTesla
YARA:
n/a
Link:
https://app.threat.zone/submission/5d34a90c-0d1c-404f-b2e6-f2ea19e79c8f
Unpacked files
SH256 hash:
bc2ccacc4b41a162089e75398ce9e04e4d9a9ecd6caa5362b19a806fef3306b5
MD5 hash:
f28c9942cbabfed6afe07711e0858999
SHA1 hash:
0816b4ff558aa86c498dfb7c7f7a16594689fa85
Detections:
win_agent_tesla_g2
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
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
Link:
https://www.unpac.me/results/6fdde848-b3ad-4c26-a96f-bcc84ede6072/
SH256 hash:
23b5b9ed38314f86825470df6b0585190a276dba3b2bf08b352e2bde13eb6013
MD5 hash:
ad7e493f5df6a4f600e136ba4e7b4c29
SHA1 hash:
3733c6aa752fdf1074306b9407339100c0008daf
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
INDICATOR_EXE_Packed_DotNetReactor
Create hunting rule
Link:
https://www.unpac.me/results/6fdde848-b3ad-4c26-a96f-bcc84ede6072/
Parent samples :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 hash:
222b04688d1e2030192b188f099ecfd52bd7af6b986ac93e141a80f2766da879
MD5 hash:
c71e17acab65a4dd054c78c0481c7674
SHA1 hash:
63b0d563f15ab5b92c337ef37d741004623d0f62
Link:
https://www.unpac.me/results/6fdde848-b3ad-4c26-a96f-bcc84ede6072/
SH256 hash:
2673d470353413edfb567ff7479395dc52824db6469520ebe8d91dbca2bccac2
MD5 hash:
e5be1fdba36d5032726313afe4c7dd63
SHA1 hash:
c65ebe77906cec3bcb5e805a327f1aa823be57ca
Link:
https://www.unpac.me/results/6fdde848-b3ad-4c26-a96f-bcc84ede6072/
SH256 hash:
a3f3c13022d181943668305aac375efbd5b336d5c2a350ddabc2186b97abbf0c
MD5 hash:
1ca79b4b3a60cf4d4c40ce69a3ef0a1a
SHA1 hash:
4d34ae031551b6eb04a1bb5e9fda5870d6a1ca65
Link:
https://www.unpac.me/results/6fdde848-b3ad-4c26-a96f-bcc84ede6072/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a3f3c13022d1/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/a3f3c13022d181943668305aac375efbd5b336d5c2a350ddabc2186b97abbf0c

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: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: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

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/43873/

Comments