MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65c4d932a71d1f36d1c57b7ed319c20446d3c935b60f8f1262bc047e1c6556ff. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 65c4d932a71d1f36d1c57b7ed319c20446d3c935b60f8f1262bc047e1c6556ff
SHA3-384 hash: 78801e23873a5cd15b516db18390da17f2d036ce080e971144c29f4f326273d0e27f7f9e0cc1fa849a01ba803a883793
SHA1 hash: 60790b3514ea5085337063390d4c0399073cc109
MD5 hash: d655d84ffc8ef1ad80359d8c15fba381
humanhash: tango-butter-fourteen-lactose
File name:Euro 36280.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:65'536 bytes
First seen:2023-10-23 13:24:57 UTC
Last seen:2023-10-26 05:30:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 1536:+tItKspQNPpDoW2O6JUuHoIPuJVPj/WsFCntmi2:+OEbpcnOvuYVPj/W6kH
Threatray 241 similar samples on MalwareBazaar
TLSH T18653D607B69FD6B2C2645B7ED597D00A037CD281F673E60E398E23CA18537BAC94160B
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
303
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Euro 36280.exe
Verdict:
Malicious activity
Analysis date:
2023-10-23 13:26:33 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/54019c24-d4a5-47c8-9987-6b2abee4b47c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Rogue.0hr.20231022-2235.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Sending an HTTP GET request
Creating a window
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Reading critical registry keys
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin packed replace
Link:
https://www.filescan.io/uploads/65367431e3768e7905c78ac6/reports/259a9b96-bc8c-4414-a82b-40bbbea71596/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/65c4d932a71d1f36d1c57b7ed319c20446d3c935b60f8f1262bc047e1c6556ff
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/16b09b89-e91e-44f3-8146-21b7b6265532
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1330601
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1330601 Sample: Euro_36280.exe Startdate: 23/10/2023 Architecture: WINDOWS Score: 100 28 smtp.zoho.com 2->28 30 qu.ax 2->30 32 2 other IPs or domains 2->32 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus / Scanner detection for submitted sample 2->50 52 7 other signatures 2->52 7 Cymtyxb.exe 14 5 2->7         started        10 Euro_36280.exe 16 5 2->10         started        14 Cymtyxb.exe 2->14         started        signatures3 process4 dnsIp5 54 Antivirus detection for dropped file 7->54 56 Multi AV Scanner detection for dropped file 7->56 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->58 60 Machine Learning detection for dropped file 7->60 16 Cymtyxb.exe 2 7->16         started        38 qu.ax 92.118.112.4, 443, 49719, 49724 GUDAEV-ASRU Russian Federation 10->38 26 C:\Users\user\AppData\Roaming\Cymtyxb.exe, PE32 10->26 dropped 62 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->62 64 Injects a PE file into a foreign processes 10->64 19 Euro_36280.exe 2 10->19         started        22 Euro_36280.exe 10->22         started        24 Cymtyxb.exe 14->24         started        file6 signatures7 process8 dnsIp9 34 smtp.zoho.com 136.143.190.56, 49721, 49728, 49731 ZOHO-ASUS United States 19->34 36 api4.ipify.org 104.237.62.212, 443, 49720, 49726 WEBNXUS United States 19->36 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->40 42 Tries to steal Mail credentials (via file / registry access) 24->42 44 Tries to harvest and steal browser information (history, passwords, etc) 24->44 signatures10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/65c4d932a71d1f36d1c57b7ed319c20446d3c935b60f8f1262bc047e1c6556ff
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/65c4d932a71d1f36d1c57b7ed319c20446d3c935b60f8f1262bc047e1c6556ff/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-10-22 21:25:53 UTC
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mxcnsmvhduptnuofpn7nggocardnhsjvwyhy6etcxqch4hdfk37q._file
Verdict:
malicious
Similar samples:
1ecf4a80641db7366f049cd1a60eb75d36eb68578d5e71e4e72d2474aa9be7bc
AgentTesla
440a08d828533e66f8e753ddeb96cbf38941efeff40dde48bbb70e0257a3ab4a
AgentTesla
4bc7979e8e63f880e9f4d7be6e59e55c059f5de3377837fcac7d167e3d4fc19f
AgentTesla
72e5420f9ce8e361479ffa0959e14c29d10b3112c0cbafbde4554506d1bd665a
AgentTesla
7e1e59d1c4b49c0d200dfd5fe76afff0c59f8f96c772eb1a5071f181d4230527
AgentTesla
b916d475339eb0e64ad8e4e8bf897adb317c8add907ca4f72c1b7fda76cd8550
AgentTesla
daf050ba6e318d8c8ff6733b838a7ae1007b66ccb467aaf0dfb9de81209c0d73
AgentTesla
ff7cea1471a8650fec0cf17b7006d68320702939027341f922389672bfe88115
AgentTesla
+ 231 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/231023-qnyg2aah27/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
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:
65c4d932a71d1f36d1c57b7ed319c20446d3c935b60f8f1262bc047e1c6556ff
MD5 hash:
d655d84ffc8ef1ad80359d8c15fba381
SHA1 hash:
60790b3514ea5085337063390d4c0399073cc109
Detections:
PureCrypter_Stage1
Create hunting rule
win_delivery_check_g0
Create hunting rule
Link:
https://www.unpac.me/results/fc0c2a23-860b-4f84-ad66-59337634584d/
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: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
Rule name:win_delivery_check_g0
Create hunting rule

File information

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

Malspam

AgentTesla

zip e147a94da6f73a061dfa1c0c9e7cf51d62284bcfdbea761c6ac3e50891ecfdc2

AgentTesla

Executable exe 65c4d932a71d1f36d1c57b7ed319c20446d3c935b60f8f1262bc047e1c6556ff

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 e147a94da6f73a061dfa1c0c9e7cf51d62284bcfdbea761c6ac3e50891ecfdc2
  
Dropped by
MD5 752add0886d7b3e86e7c705114aa46c4

Comments