MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 11ff90a33d73be660d1408cf99f48baa9dbaf0d15572848a7a024aab03973476. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 11ff90a33d73be660d1408cf99f48baa9dbaf0d15572848a7a024aab03973476
SHA3-384 hash: 0d741c1d5cae62c5ae394fb57b02a1f7930ba1443d74761ff6ec47dab139389412415e0cdb04304e343df106828aca68
SHA1 hash: 8c706938bc43dd1c4678c4879f4dc51dad9e6431
MD5 hash: 404b3e8655b581497ea6d1f394a5d27d
humanhash: football-montana-dakota-freddie
File name:1C24TDH_00017388.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:609'280 bytes
First seen:2024-08-28 13:02:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 6144:aEpn+8kGzHlXoB9z2VloojvZNjuorHIpDFlSEf4H444l:9hHlXoBMVl8FR4H444l
TLSH T1EED42D02AF5585B0D686BF75D78A6338E767DDA173429F462C89339718B33E1BE03206
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
File icon (PE):PE icon
dhash icon 36c29292b2e88c82 (54 x AgentTesla, 33 x RedLineStealer, 11 x Formbook)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
474
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
1C24TDH_00017388.pdf.exe
Verdict:
Malicious activity
Analysis date:
2024-08-28 13:03:01 UTC
Tags:
netreactor evasion stealer telegram exfiltration agenttesla
Link:
https://app.any.run/tasks/0228b91a-f070-4513-9dff-d3cd714e5cc7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win64.MalwareX-gen.31751.25048.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66cf1fcefe69a9e56049b396
Tags:
Stealth Heur
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade net_reactor packed
Link:
https://www.filescan.io/uploads/66cf1fcd58cbff3e3abe1c4e/reports/9db64dfd-4b50-4bfc-95c1-f99701154ecd/overview
Verdict:
Malicious
Labled as:
Win64/Agent_AGeneric.CCY trojan
Link:
https://www.hybrid-analysis.com/sample/11ff90a33d73be660d1408cf99f48baa9dbaf0d15572848a7a024aab03973476
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/f6fd248d-3147-4fb6-b1d9-8bfb1d9c14b2
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1500479
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
Creates a thread in another existing process (thread injection)
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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: Suspicious Double Extension File Execution
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1500479 Sample: 1C24TDH_00017388.pdf.exe Startdate: 28/08/2024 Architecture: WINDOWS Score: 100 18 api.telegram.org 2->18 20 www.inspiranti.com 2->20 22 api.ipify.org 2->22 30 Suricata IDS alerts for network traffic 2->30 32 Found malware configuration 2->32 34 Malicious sample detected (through community Yara rule) 2->34 38 11 other signatures 2->38 8 1C24TDH_00017388.pdf.exe 14 2 2->8         started        signatures3 36 Uses the Telegram API (likely for C&C communication) 18->36 process4 dnsIp5 24 www.inspiranti.com 188.114.96.3, 443, 49730 CLOUDFLARENETUS European Union 8->24 40 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->40 42 Writes to foreign memory regions 8->42 44 Creates a thread in another existing process (thread injection) 8->44 46 Found direct / indirect Syscall (likely to bypass EDR) 8->46 12 RegAsm.exe 14 3 8->12         started        signatures6 process7 dnsIp8 26 api.telegram.org 149.154.167.220, 443, 49738, 49739 TELEGRAMRU United Kingdom 12->26 28 api.ipify.org 104.26.12.205, 443, 49737 CLOUDFLARENETUS United States 12->28 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->48 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->50 52 Tries to steal Mail credentials (via file / registry access) 12->52 54 2 other signatures 12->54 16 conhost.exe 12->16         started        signatures9 process10
Score:
91%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/11ff90a33d73be660d1408cf99f48baa9dbaf0d15572848a7a024aab03973476
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/11ff90a33d73be660d1408cf99f48baa9dbaf0d15572848a7a024aab03973476/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-08-28 02:38:39 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
13
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ch7zbiz5oo7gmdiubdhzt5elvko3v4grkvzijct2ajfkwa4xgr3a._file
Verdict:
malicious
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla credential_access keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240828-p9tkjaygmd/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Looks up external IP address via web service
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
Credentials from Password Stores: Credentials from Web Browsers
AgentTesla
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0cb23e18-32f5-4efb-a065-fb237c3c62ab
Unpacked files
SH256 hash:
11ff90a33d73be660d1408cf99f48baa9dbaf0d15572848a7a024aab03973476
MD5 hash:
404b3e8655b581497ea6d1f394a5d27d
SHA1 hash:
8c706938bc43dd1c4678c4879f4dc51dad9e6431
Detections:
SUSP_OBF_NET_Eazfuscator_String_Encryption_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/f2ff3d7f-4a8b-4819-a128-bf0ab63b4aba/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/11ff90a33d73/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/11ff90a33d73be660d1408cf99f48baa9dbaf0d15572848a7a024aab03973476

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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table

File information

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

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 (GUARD_CF)high

Comments