MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 304f5f10e6586f04beecd03dd27c217893c449cc7a3addb3816e4befb2bff590. 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 14 File information Comments
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SHA256 hash: 304f5f10e6586f04beecd03dd27c217893c449cc7a3addb3816e4befb2bff590
SHA3-384 hash: ef3268ab9de248f1df55defef4ac5e3bc845e9f9fa4ca4d13e962902b27f10ca8151b0b4b93bc9c57a5ee77f21aa8ae1
SHA1 hash: d443f871dda06ee8c0c242626967705f77abebe1
MD5 hash: da7f9653755cb1f6bc22984cfc3a37d0
humanhash: uncle-fix-yankee-cat
File name:obizx.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:685'568 bytes
First seen:2024-01-30 22:26:41 UTC
Last seen:2024-01-31 05:51:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:5XCAYQ4y0R76bYsiAegyCDfcnhiBxInNB/KIzfLQOOw9iCjAloLVF:0AL0UMXKfWh8mNYIDLFNmAVF
TLSH T178E4224C6AC6EB15E5FD8BF8A9BA101417B1A12F5814D79C4E0622D94F72742CE32FB3
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 James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
294
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Scanned Doc.doc
Verdict:
Malicious activity
Analysis date:
2024-01-30 16:10:36 UTC
Tags:
exploit cve-2017-11882 stealer agenttesla
Link:
https://app.any.run/tasks/c31a20e0-f1ca-4174-af17-0be757a34434

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/473659/
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.9099.13800.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65b977b64aed8b65c87c0443/reports/cdc9b5db-7ed7-449a-99b9-f8e23dfb6c28/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/304f5f10e6586f04beecd03dd27c217893c449cc7a3addb3816e4befb2bff590
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/4f1d7ab0-c625-4f1b-b816-22d3d17abfaf
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1383680
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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/304f5f10e6586f04beecd03dd27c217893c449cc7a3addb3816e4befb2bff590
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/304f5f10e6586f04beecd03dd27c217893c449cc7a3addb3816e4befb2bff590/
Threat name:
Win32.Trojan.CrypterX
Create hunting rule
Status:
Malicious
First seen:
2024-01-30 22:26:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
9 of 38 (23.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gbhv6ehglbxqjpxm2a65e7bbpcj4isompi5n3m4bnzf67mv76wia._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240130-2c27maeba6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
b7d27f16da97b58b4d8145b093f2c4f462779e5d4eeb90cd6fc5ae7dcd4f1598
MD5 hash:
9109cde5078fdba5c937cc8af3a6f066
SHA1 hash:
e541a139acc213ba3063f09356c4f59f21044272
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/85b2f5bc-d086-4ec0-b0ad-a6fcba3f2054/
SH256 hash:
6eb692c194e15ee8cdfb3614343236aee0c21d65c79d694463156b3040896bcb
MD5 hash:
6570f0ae6edb6d35305104573a245976
SHA1 hash:
c604961432723536b41fcb4a7e0dbfe9ffca90d7
Link:
https://www.unpac.me/results/85b2f5bc-d086-4ec0-b0ad-a6fcba3f2054/
SH256 hash:
3014b859be7cafca84f61ab3398e0832d80175d76dc6ff4a45df7b2fef39dcaf
MD5 hash:
17cbde8bc5d57e164c1daa95d1b37d0b
SHA1 hash:
4856da540fd30d018fa511c9ce705871e1e2affa
Link:
https://www.unpac.me/results/85b2f5bc-d086-4ec0-b0ad-a6fcba3f2054/
SH256 hash:
e881f9cff814b60af1c362503d4b559417596e1f5affe6caf894d9043b718f37
MD5 hash:
a87a2c2b444e7f496a00b3afdb58c751
SHA1 hash:
1376add82e975d212ef4dfcea69defe547fdbe59
Link:
https://www.unpac.me/results/85b2f5bc-d086-4ec0-b0ad-a6fcba3f2054/
SH256 hash:
304f5f10e6586f04beecd03dd27c217893c449cc7a3addb3816e4befb2bff590
MD5 hash:
da7f9653755cb1f6bc22984cfc3a37d0
SHA1 hash:
d443f871dda06ee8c0c242626967705f77abebe1
Link:
https://www.unpac.me/results/85b2f5bc-d086-4ec0-b0ad-a6fcba3f2054/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/304f5f10e658/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/304f5f10e6586f04beecd03dd27c217893c449cc7a3addb3816e4befb2bff590

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/473659/
  
URLhaus
https://urlhaus.abuse.ch/url/2753808/

Comments