MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b891b8a87b059d68e0fd493716adc467ba8c1b4e49fdc7dab11637f2b4b3067c. 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

SHA256 hash: b891b8a87b059d68e0fd493716adc467ba8c1b4e49fdc7dab11637f2b4b3067c
SHA3-384 hash: 79764538b3bb8d0160c8e064dbe6c7f507d5a58dae753fdd4ea5517bd37750ab24e5e68be4fca8b34bd76fc8a858211d
SHA1 hash: 9754edf04b3c3a764377c266786c123f1bf5c467
MD5 hash: 9bf1a81d143f842a0f598b8cdc4d409d
humanhash: potato-lithium-skylark-carbon
File name:b891b8a87b059d68e0fd493716adc467ba8c1b4e49fdc7dab11637f2b4b3067c
Download: download sample
Signature AgentTesla
File size:693'768 bytes
First seen:2025-11-06 11:26:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:0QsaYCOqPsfzlBavkU+D80ykKT9EnEeC0/khuYtD+9C+yqNW04XkR:0QZ8qOjyknD/a6CVc0C
Threatray 272 similar samples on MalwareBazaar
TLSH T188E412096B98EA05CAB527B028F1F27007B97CA6A930D70A5EE93DEF79D1F548D10353
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 :
104
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
b891b8a87b059d68e0fd493716adc467ba8c1b4e49fdc7dab11637f2b4b3067c
Verdict:
Malicious activity
Analysis date:
2025-11-06 21:33:41 UTC
Tags:
auto-sch-xml stealer evasion ftp agenttesla exfiltration

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 msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-27T03:00:00Z UTC
Last seen:
2025-11-08T02:09:00Z UTC
Hits:
~100
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.40 Win 32 Exe x86
Threat name:
Win32.Trojan.InfostealerTesla
Status:
Malicious
First seen:
2025-10-27 13:26:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla discovery execution keylogger persistence spyware stealer trojan
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
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
AgentTesla
Agenttesla family
Unpacked files
SH256 hash:
b891b8a87b059d68e0fd493716adc467ba8c1b4e49fdc7dab11637f2b4b3067c
MD5 hash:
9bf1a81d143f842a0f598b8cdc4d409d
SHA1 hash:
9754edf04b3c3a764377c266786c123f1bf5c467
SH256 hash:
2ecae21f1ff6f87c30f100b9d3600964ea15e9fba7a3fc338317e8b68f1a4700
MD5 hash:
af5acce2d594fc18c976f3bc1c30e066
SHA1 hash:
c4424a2fed4e9b6f2ccae16bd0077c64a0f5a272
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
b2d38782c98e1f7b6606f007c514d92edbb7738dded35d75cf05d4b79df9c277
MD5 hash:
d4ff0f41864b185c75270fa013487106
SHA1 hash:
ca8b1bc16be249db3e96cdec7af32bd71ce1e629
Detections:
win_agent_tesla_g2 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 MALWARE_Win_AgentTeslaV2
SH256 hash:
81c878e71a82aa8f4175648d188a1f75acf99cd0b02ef0f48e814fb4f44f0fc0
MD5 hash:
2c401550efe4777b67fa67fb7cecdfbc
SHA1 hash:
e5515434b9685499ad38499f4b59ed8c017b88b4
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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

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