MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a437f177594143ff37410f8fbf7da73384e0542513e079c330103fbebc5ee52b. 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 9 File information Comments

SHA256 hash: a437f177594143ff37410f8fbf7da73384e0542513e079c330103fbebc5ee52b
SHA3-384 hash: 5ad18629ca7844685dd417a652948d046eecd3341e20a74f735cacc116e27beaf65e05d33b163e2217c52ac1249d64f2
SHA1 hash: ce34a845d058c5f4df19e742e2f13867c2cc31dd
MD5 hash: 04909832a13008c2531e73e2686e8453
humanhash: pluto-nuts-helium-mississippi
File name:a437f177594143ff37410f8fbf7da73384e0542513e079c330103fbebc5ee52b
Download: download sample
Signature AgentTesla
File size:869'888 bytes
First seen:2025-10-10 06:37:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:/UhmjZm3qz3rkUMptRJHljJFcTkTmRNZVPXf4PZUtMV6mzgd55cxx9V62GtB2x:8hrs3c3JFjJOZVvf4fYmzwr6z1QE
Threatray 3 similar samples on MalwareBazaar
TLSH T14E051244336ADE05E8A26FB00831E37407B9BE5DBD14D3029EF66CEB7979B805960397
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 :
90
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
a437f177594143ff37410f8fbf7da73384e0542513e079c330103fbebc5ee52b
Verdict:
Malicious activity
Analysis date:
2025-10-10 08:24:40 UTC
Tags:
stealer evasion ultravnc rmm-tool agenttesla netreactor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
virus spawn shell lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Reading critical registry keys
Launching a service
Changing a file
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm evasive fingerprint packed vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-15T03:58:00Z UTC
Last seen:
2025-10-11T00:38:00Z UTC
Hits:
~1000
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.44 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Infostealer.Tinba
Status:
Malicious
First seen:
2025-09-15 07:00:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
unc_loader_001 unc_loader_037 unc_loader_078
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla discovery execution keylogger spyware stealer trojan
Behaviour
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
Looks up external IP address via web service
Checks computer location settings
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
Unpacked files
SH256 hash:
a437f177594143ff37410f8fbf7da73384e0542513e079c330103fbebc5ee52b
MD5 hash:
04909832a13008c2531e73e2686e8453
SHA1 hash:
ce34a845d058c5f4df19e742e2f13867c2cc31dd
SH256 hash:
1041b538ccbc7d66e59247ef7551cde9b6c282843541585e9190a8e2e3943b12
MD5 hash:
e870d1e8f3791ccc141f85f40fd2972b
SHA1 hash:
150919ee289cffa6feb40ab8261f620dd7e26aac
SH256 hash:
da88870c0d5c13a00609d176a49d37ff507fddba691e02e63dbc38d6d20eb37c
MD5 hash:
4ff6e7dbca6d8f5e0a98d5bc1ed973db
SHA1 hash:
8dfc93a78bfe887f5dadc60786d658a0dbe5b2a3
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
21718938f649a63d59df3ccddce3410dd525299c8b133ad334e86a967e81a1e2
MD5 hash:
ba48d2ccd4a5bbab38d8f71d2d921da4
SHA1 hash:
0150ebeef3a716075aa7186f2911c69a979cab12
Detections:
AgentTesla SUSP_OBF_NET_Reactor_Indicators_Jan24 Agenttesla_type2 INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
SH256 hash:
a551b3ba49dea71cde0426fa28b78321c842f052733a52435b3aaaf64b911294
MD5 hash:
871d5b598bd90257fe541d788f8fd16f
SHA1 hash:
e9ebc1332832032aff39512a148f3778fb734ad7
Detections:
AgentTesla SUSP_OBF_NET_Reactor_Indicators_Jan24 Agenttesla_type2 INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MALWARE_Win_RedLine
Author:ditekSHen
Description:Detects RedLine infostealer
Rule name:MAL_Malware_Imphash_Mar23_1
Author:Arnim Rupp
Description:Detects malware by known bad imphash or rich_pe_header_hash
Reference:https://yaraify.abuse.ch/statistics/
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_samsam_auto
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.

Comments