MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2940a8fe07543e73573471f46229165e5aa84bf7b42ac60004ab22c916aaff8f. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2940a8fe07543e73573471f46229165e5aa84bf7b42ac60004ab22c916aaff8f
SHA3-384 hash: 0cc2efa5ebc2f3da8d20accf1b5577d7a6211a079308b6ce8317369534dfb7e0959ea6f6aeb0171295516cdd984bf706
SHA1 hash: dd7d1313abef47b1a03204ed117788c24541b911
MD5 hash: eec92f9eaf00561a5b910272f3d9e1d2
humanhash: carolina-uncle-black-mexico
File name:Factura de pago1653.bat.bat
Download: download sample
Signature AgentTesla
Create hunting rule
File size:739'328 bytes
First seen:2024-05-16 16:22:33 UTC
Last seen:2024-05-16 17:29:00 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:jV0pei36ROF/ht9gSRJXnbclb7tQrNTq5w0ftSgrwlL/2:japp36m39rzclQpbgrwl7
TLSH T13BF4124223EC9B2DC4BE6BF1A11000920773A66779B5EF4D7DD1A0EF4972B404D26B6B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter abuse_ch
Tags:AgentTesla bat exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
342
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
2940a8fe07543e73573471f46229165e5aa84bf7b42ac60004ab22c916aaff8f.exe
Verdict:
Malicious activity
Analysis date:
2024-05-16 17:14:31 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/4e796490-f409-4a88-bde4-a0527cb5a196

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.TrojanX-gen.19596.6735.UNOFFICIAL
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Forced shutdown of a system process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/664632f681ea6b1eef42ad08/reports/2521a12c-f97f-4d1d-93cb-39ecac5d8855/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/2940a8fe07543e73573471f46229165e5aa84bf7b42ac60004ab22c916aaff8f
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/bc9dad7b-9326-449a-87ae-fd69e1e18717
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1442856
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1442856 Sample: Factura de pago1653.bat.bat.exe Startdate: 16/05/2024 Architecture: WINDOWS Score: 100 46 smtp.yandex.com 2->46 48 smtp.yandex.ru 2->48 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Sigma detected: Scheduled temp file as task from temp location 2->56 58 9 other signatures 2->58 8 Factura de pago1653.bat.bat.exe 7 2->8         started        12 GiUtiFdvQaRzSX.exe 5 2->12         started        signatures3 process4 file5 42 C:\Users\user\AppData\...behaviorgraphiUtiFdvQaRzSX.exe, PE32 8->42 dropped 44 C:\Users\user\AppData\Local\...\tmpC485.tmp, XML 8->44 dropped 60 Writes to foreign memory regions 8->60 62 Allocates memory in foreign processes 8->62 64 Adds a directory exclusion to Windows Defender 8->64 14 vbc.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        66 Multi AV Scanner detection for dropped file 12->66 68 Machine Learning detection for dropped file 12->68 70 Injects a PE file into a foreign processes 12->70 24 vbc.exe 12->24         started        26 schtasks.exe 12->26         started        28 vbc.exe 12->28         started        30 vbc.exe 12->30         started        signatures6 process7 dnsIp8 50 smtp.yandex.ru 77.88.21.158, 49709, 49711, 587 YANDEXRU Russian Federation 14->50 72 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->72 74 Loading BitLocker PowerShell Module 18->74 32 conhost.exe 18->32         started        34 WmiPrvSE.exe 18->34         started        36 conhost.exe 20->36         started        38 conhost.exe 22->38         started        76 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->76 78 Tries to steal Mail credentials (via file / registry access) 24->78 80 Tries to harvest and steal ftp login credentials 24->80 82 Tries to harvest and steal browser information (history, passwords, etc) 24->82 40 conhost.exe 26->40         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2940a8fe07543e73573471f46229165e5aa84bf7b42ac60004ab22c916aaff8f
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2940a8fe07543e73573471f46229165e5aa84bf7b42ac60004ab22c916aaff8f/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-05-16 16:23:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
17 of 23 (73.91%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ffakr7qhkq7hgvzuoh2gekiwlznkqs7xwqvmmaaevmrmsfvk76hq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla execution keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240516-tvsrxadd67/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Uses the VBS compiler for execution
Command and Scripting Interpreter: PowerShell
AgentTesla
Unpacked files
SH256 hash:
af579946261105c63b770861ea5ef7fd8a68aaa39acf12adc478daf2ce1b15a1
MD5 hash:
67ea5aa8d951dfce876f4fc5c33c2365
SHA1 hash:
d2f7e3241b8d16c9e1b98934aa2b87a43fe21750
Link:
https://www.unpac.me/results/8260b741-e0ef-4c9b-969b-2aa0b605eabf/
SH256 hash:
f540e8d603962027b3a1f8b86d035281bfbdd3a05a621ead255825bc2082632a
MD5 hash:
d172f59251b97b415b621d302e1be2b7
SHA1 hash:
b1534e603749c901b5ac185f20e281f6be7fa908
Link:
https://www.unpac.me/results/8260b741-e0ef-4c9b-969b-2aa0b605eabf/
SH256 hash:
7baa16b410fef4aa105ec37f7ade1009f81034ac08497f3bb4bea25e5d4cfbb0
MD5 hash:
5fd3f4995f5084db99af6c86ac66a8c9
SHA1 hash:
664bd283f3ed291531829a683eacb715696b0011
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/8260b741-e0ef-4c9b-969b-2aa0b605eabf/
SH256 hash:
27ddc96465ac70b602e730ca4b28018a2875f5aca4215f3d8608b9defc8bf23d
MD5 hash:
1b2614489be216f14010dea5dee50dc5
SHA1 hash:
046c2462662dc3adea1c79121b4d865665850e23
Link:
https://www.unpac.me/results/8260b741-e0ef-4c9b-969b-2aa0b605eabf/
SH256 hash:
2940a8fe07543e73573471f46229165e5aa84bf7b42ac60004ab22c916aaff8f
MD5 hash:
eec92f9eaf00561a5b910272f3d9e1d2
SHA1 hash:
dd7d1313abef47b1a03204ed117788c24541b911
Link:
https://www.unpac.me/results/8260b741-e0ef-4c9b-969b-2aa0b605eabf/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2940a8fe0754/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/2940a8fe07543e73573471f46229165e5aa84bf7b42ac60004ab22c916aaff8f

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.

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

Comments