MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f51d76f01ef5606ff5cbf1d2ec1607ed1bfcc72bd97f9b5416c9a9bebc2a2f0e. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f51d76f01ef5606ff5cbf1d2ec1607ed1bfcc72bd97f9b5416c9a9bebc2a2f0e
SHA3-384 hash: 989fababc2e6f68efdb137fd41b26b22ca0826e068c5fffa2b819ae404a03a60d6378824f8860d3d0f372071609aa53f
SHA1 hash: 72bc304ccc8e2c8b2903ba8297bf5aab05bc5d49
MD5 hash: 61e47b5bbcca925484aed729159fc1d9
humanhash: mike-august-illinois-magazine
File name:RFQ SADGS-0198.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:710'144 bytes
First seen:2024-05-02 06:20:30 UTC
Last seen:2024-05-02 07:25:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:u+DbggB778Qe+qMsvw55BbSAWs1UiwoXeyLtfmnuBWaB79CQBf4LoBGJh1XaAi95:XggBL/MB2Ui3e0tfVWaB7sKUoYJLaAk5
TLSH T16FE4025273ECAF72EA7A57F0803898841BF774A66965E20C2DD670DF2DB1F404A60B17
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
298
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
f51d76f01ef5606ff5cbf1d2ec1607ed1bfcc72bd97f9b5416c9a9bebc2a2f0e.exe
Verdict:
Malicious activity
Analysis date:
2024-05-02 06:23:49 UTC
Tags:
smtp agenttesla stealer
Link:
https://app.any.run/tasks/21058a69-dac9-43cb-8c4f-558481e4ce0c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
cmd lolbin packed
Link:
https://www.filescan.io/uploads/663330d00694596be92e7588/reports/0d64f909-4b29-4b6d-828f-ed44990e810d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/f51d76f01ef5606ff5cbf1d2ec1607ed1bfcc72bd97f9b5416c9a9bebc2a2f0e
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/aff54b1e-a0d6-47fb-84fc-fa3a58db3e82
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1435168
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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: MSBuild connects to smtp port
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f51d76f01ef5606ff5cbf1d2ec1607ed1bfcc72bd97f9b5416c9a9bebc2a2f0e
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f51d76f01ef5606ff5cbf1d2ec1607ed1bfcc72bd97f9b5416c9a9bebc2a2f0e/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-04-29 06:25:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
24 of 38 (63.16%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6uoxn4a66vqg75ol6hjoyfqh5un7zrzl3f7zwvawzgu35pbkf4ha._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240502-g4bhrsbc51/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
AgentTesla
Unpacked files
SH256 hash:
580ef9d00e320c821e654d883987185b0159ec5f967a72c708e39f96754a21b8
MD5 hash:
a4601fd39dd947a4d379c492364ef193
SHA1 hash:
edf9f917dd7bd42fe1cd3a92acf631266f5a5d15
Link:
https://www.unpac.me/results/1dec1d58-113b-4059-9695-2328b396402b/
SH256 hash:
4909093c1045073940daf73778f88ce3e5d4dcbc0d69e3498ad4672c2e699013
MD5 hash:
28b43a10958caef0465f7b93be0a0d77
SHA1 hash:
9c85c1cb7f6face0a6c8d0a2d2314a99092d6554
Link:
https://www.unpac.me/results/1dec1d58-113b-4059-9695-2328b396402b/
SH256 hash:
c84b2f25044e3968a75d4e8c195c009db94f573f29e52a18486496745f83cb1a
MD5 hash:
9ee13c512591cc3e4eb4db0d7a996fb6
SHA1 hash:
8278fbe8825704c47d4a2b87ae7ea36400b41f63
Link:
https://www.unpac.me/results/1dec1d58-113b-4059-9695-2328b396402b/
SH256 hash:
9c1702b852239e02b8491ebeced5dfa4de964b229849f11d21efb2adac0cf6fe
MD5 hash:
f26af3f52a69c39474a8ff1c7c03bb6c
SHA1 hash:
139820b3a2a0ee89756431d8890edc4b01c69377
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/1dec1d58-113b-4059-9695-2328b396402b/
Parent samples :
f910b598e7f8ed4ab6425fd687dbfa5fa8e7b2ff3981fe323e2e967bc46a0a9d
f51d76f01ef5606ff5cbf1d2ec1607ed1bfcc72bd97f9b5416c9a9bebc2a2f0e
SH256 hash:
f51d76f01ef5606ff5cbf1d2ec1607ed1bfcc72bd97f9b5416c9a9bebc2a2f0e
MD5 hash:
61e47b5bbcca925484aed729159fc1d9
SHA1 hash:
72bc304ccc8e2c8b2903ba8297bf5aab05bc5d49
Link:
https://www.unpac.me/results/1dec1d58-113b-4059-9695-2328b396402b/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f51d76f01ef5/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/f51d76f01ef5606ff5cbf1d2ec1607ed1bfcc72bd97f9b5416c9a9bebc2a2f0e

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
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.

  
Delivery method
Other

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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