MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a98b58b58466facbdb0c65e4e6a0a9d1ed875c0a10fa94bde52e3aa726337d84. 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: 15


Intelligence 15 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a98b58b58466facbdb0c65e4e6a0a9d1ed875c0a10fa94bde52e3aa726337d84
SHA3-384 hash: a4fa36ba9819f0bf18284e16bdba17ef676d9aa4d8a1effca2b04c0efe94811fcf07c8443fc0e539a93d7d8ca250e8d8
SHA1 hash: 12b77cc0e83cf126b3796021d34e22fe2180d0cb
MD5 hash: 0b46d7b13aa791cb2d4415af6ee40b71
humanhash: burger-item-zulu-robert
File name:hesaphareketi-01.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:693'760 bytes
First seen:2024-01-10 09:54:58 UTC
Last seen:2024-01-10 11:16:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:T4ZQyGAJzV8n039o9IXj8yXuGfHfP3woSNr1ILfcBLrwlRa/gqG:kmyZzVQI77JSNr2kXwl
Threatray 4'424 similar samples on MalwareBazaar
TLSH T16EE41263BFFCE615F4692B7A8EB9813A43F1E1DA6203E74D1D03229E1CE73514711AA1
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:AgentTesla exe geo TUR

Intelligence

File Origin
# of uploads :
2
# of downloads :
333
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/470175/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
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
DNS request
Sending a custom TCP request
Setting a keyboard event handler
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/659e697d5d1422b20810450b/reports/318cfbc0-7cc6-4bf2-8c1b-b564d6caec90/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a98b58b58466facbdb0c65e4e6a0a9d1ed875c0a10fa94bde52e3aa726337d84
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/df0d6ab9-c9f5-4331-b373-8d76dd9a3319
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1372325
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for 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)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a98b58b58466facbdb0c65e4e6a0a9d1ed875c0a10fa94bde52e3aa726337d84
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a98b58b58466facbdb0c65e4e6a0a9d1ed875c0a10fa94bde52e3aa726337d84/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-01-10 09:55:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vgfvrnmem35mxwymmxsonifj2hwyoxakcd5jjppffy5kojrtpwca._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
4ec757a53ab17fbf9fb784f7acbf23a44ce3fcff4ebe00c067ec36bdc6c0e8f3
AgentTesla
8435f505dfa687ee9d060ab38f80df3d18ec140da9274de8d62d13376ffebd4d
AgentTesla
a98b58b58466facbdb0c65e4e6a0a9d1ed875c0a10fa94bde52e3aa726337d84
AgentTesla
f24a13886b4f210691bf73566963618b370ca0781cf65cb212cafb13e12060ff
AgentTesla
+ 4'414 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240110-lxskxsebc4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
AgentTesla
Unpacked files
SH256 hash:
d8e486173c7f73cf988a2f3fe138fc4dc4602831d6bac5cd2bd1b4cd4418a56a
MD5 hash:
9ceef373686177f278b57cbb32ad659c
SHA1 hash:
b2e4e4b9568993d4a28c4ee49e7e878215ec2dd0
Link:
https://www.unpac.me/results/52fbfa27-e512-4910-a1de-e5b016577e07/
SH256 hash:
2f7fde3c3c16c77a16153415d31c59010fd8205a5437dec2ff5a771516204d63
MD5 hash:
6c74e41f49345593e9e75cf6141e102e
SHA1 hash:
b144b16a329aeab05d8ff0c46e70b03879232fb2
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/52fbfa27-e512-4910-a1de-e5b016577e07/
Parent samples :
8435f505dfa687ee9d060ab38f80df3d18ec140da9274de8d62d13376ffebd4d
a98b58b58466facbdb0c65e4e6a0a9d1ed875c0a10fa94bde52e3aa726337d84
SH256 hash:
d8e77edad3cd36f3e1df5896cfa4b9f40392ff82009a14ef323d489b9a817462
MD5 hash:
41028b7149f7438c3920803908e109b8
SHA1 hash:
9de4b2bfa4f4d3f6480ac766c4089026b65185ff
Link:
https://www.unpac.me/results/52fbfa27-e512-4910-a1de-e5b016577e07/
SH256 hash:
21afe82a0b71ee589c26f32dc88e0a6e22817f21194b2a83f1807c6cecc8c818
MD5 hash:
440bb4db146ccb1161ac2bcf365d7676
SHA1 hash:
506eda511b46df6e95d86861e70fda81307f8623
Link:
https://www.unpac.me/results/52fbfa27-e512-4910-a1de-e5b016577e07/
SH256 hash:
a98b58b58466facbdb0c65e4e6a0a9d1ed875c0a10fa94bde52e3aa726337d84
MD5 hash:
0b46d7b13aa791cb2d4415af6ee40b71
SHA1 hash:
12b77cc0e83cf126b3796021d34e22fe2180d0cb
Link:
https://www.unpac.me/results/52fbfa27-e512-4910-a1de-e5b016577e07/
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/a98b58b58466facbdb0c65e4e6a0a9d1ed875c0a10fa94bde52e3aa726337d84

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: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: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.

Malspam

AgentTesla

Executable exe a98b58b58466facbdb0c65e4e6a0a9d1ed875c0a10fa94bde52e3aa726337d84

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/470175/

Comments