MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f33c299ba0741d63f26d1cc353cca0fb1e387bcc1f9ab46178c19953b9226369. 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: 13


Intelligence 13 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f33c299ba0741d63f26d1cc353cca0fb1e387bcc1f9ab46178c19953b9226369
SHA3-384 hash: 2064e2b58e057e7117ce0c420ccbd859b38756c6377d951396b698d7cfee7bc98db7e9bbfef7aad218e62530d83a7d39
SHA1 hash: 50d89bf3416f7631debcf04a39d487a20f8ccc52
MD5 hash: 7249b2c8f30c238a6468c39117aff847
humanhash: sweet-mars-september-twelve
File name:KURUMSAL KREDİ ÖDEME HATIRLATMA.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:737'792 bytes
First seen:2024-05-16 15:41:58 UTC
Last seen:2024-05-16 16:35:47 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 12288:iw0pei36RhI/Jw49tkdsNvH3GVH7xeIrqxVaRa01gOjLwK0dm4yoReUWWiZVoi16:izpp36Pw9iih2VH7xeIF40FXJNlCepWb
TLSH T194F412496BFC9B3AD07E57F4A470016147B56916AAB3EF5DACD0A0EB1D32B000919F3B
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 exe geo TUR

Intelligence

File Origin
# of uploads :
2
# of downloads :
325
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
f33c299ba0741d63f26d1cc353cca0fb1e387bcc1f9ab46178c19953b9226369.exe
Verdict:
Malicious activity
Analysis date:
2024-05-16 16:45:58 UTC
Tags:
smtp agenttesla stealer
Link:
https://app.any.run/tasks/36a59342-7208-4f9e-9f46-6be810d5a281

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.TrojanX-gen.27748.9798.UNOFFICIAL
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/f33c299ba0741d63f26d1cc353cca0fb1e387bcc1f9ab46178c19953b9226369
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/0984a4d5-0430-4dd1-bc4f-806e7f120ea4
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1442817
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Tries to harvest and steal browser information (history, 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
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1442817 Sample: KURUMSAL KRED#U0130 #U00d6D... Startdate: 16/05/2024 Architecture: WINDOWS Score: 100 34 mail.aykadekorasyon.com.tr 2->34 36 aykadekorasyon.com.tr 2->36 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 9 other signatures 2->56 8 KURUMSAL KRED#U0130 #U00d6DEME HATIRLATMA.exe 4 2->8         started        11 ctsdvwT.exe 3 2->11         started        13 ctsdvwT.exe 2->13         started        signatures3 process4 signatures5 58 Adds a directory exclusion to Windows Defender 8->58 60 Injects a PE file into a foreign processes 8->60 15 KURUMSAL KRED#U0130 #U00d6DEME HATIRLATMA.exe 1 5 8->15         started        20 powershell.exe 23 8->20         started        22 KURUMSAL KRED#U0130 #U00d6DEME HATIRLATMA.exe 8->22         started        62 Multi AV Scanner detection for dropped file 11->62 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->64 66 Machine Learning detection for dropped file 11->66 24 ctsdvwT.exe 2 11->24         started        26 ctsdvwT.exe 13->26         started        process6 dnsIp7 38 aykadekorasyon.com.tr 78.135.105.12, 49742, 49743, 587 PREMIERDC-VERI-MERKEZI-ANONIM-SIRKETIPREMIERDC-SHTR Turkey 15->38 30 C:\Users\user\AppData\Roaming\...\ctsdvwT.exe, PE32 15->30 dropped 32 C:\Users\user\...\ctsdvwT.exe:Zone.Identifier, ASCII 15->32 dropped 40 Tries to steal Mail credentials (via file / registry access) 15->40 42 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->42 44 Installs a global keyboard hook 15->44 46 Loading BitLocker PowerShell Module 20->46 28 conhost.exe 20->28         started        48 Tries to harvest and steal browser information (history, passwords, etc) 26->48 file8 signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f33c299ba0741d63f26d1cc353cca0fb1e387bcc1f9ab46178c19953b9226369
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f33c299ba0741d63f26d1cc353cca0fb1e387bcc1f9ab46178c19953b9226369/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-05-16 10:00:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
17 of 23 (73.91%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6m6ctg5aoqowh4tndtbvhtfa7mpdq66md6nliylyygmvhojcmnuq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution
Link:
https://tria.ge/reports/240516-s5b2gabe81/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
a13c3bdf634477fa29c8364adb717f0c3b08967f2ef94d3aac36736231026a1a
MD5 hash:
2bafe3a29094a33403b83b3dbe7369f8
SHA1 hash:
ebeff033d50a05a1e401cf7bf9309ad392e5b3cd
Link:
https://www.unpac.me/results/0e7bb29f-4cc1-48d2-ac1c-89d175da361f/
SH256 hash:
f540e8d603962027b3a1f8b86d035281bfbdd3a05a621ead255825bc2082632a
MD5 hash:
d172f59251b97b415b621d302e1be2b7
SHA1 hash:
b1534e603749c901b5ac185f20e281f6be7fa908
Link:
https://www.unpac.me/results/0e7bb29f-4cc1-48d2-ac1c-89d175da361f/
SH256 hash:
b1c65ebbc92cb15b686a29ef3fd1c8702f1aeb6d0e6f0d3a9b32c1a3b36699c7
MD5 hash:
0c41bfaabe1660497619d8e6163a6638
SHA1 hash:
83edcfcae290b276429ef6d353dec953e6714e1f
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/0e7bb29f-4cc1-48d2-ac1c-89d175da361f/
Parent samples :
f33c299ba0741d63f26d1cc353cca0fb1e387bcc1f9ab46178c19953b9226369
e932be50ccbedc897851689fa7fbb5963e839089fa84c321e226612001de1d83
343cddffcd683a5f25d221f6f5a87e110c8c6ef10c3cd68e789faf241ffa359d
dfb6c6d13b4ae972386abfa5544ccfb5374d6bf89889043b8d138117748934bf
afd40a53c09d2dde762a91a7c798e02fd41ef126e8e4884892db2dd55ee96a5b
SH256 hash:
344ef86d3e11a618680d263a715b9ebfa6c9364e02e94424b134f2e808d8d624
MD5 hash:
15ad1cdf8dcb6ccd5051b1203ba49ec6
SHA1 hash:
5345ceee8876db1a8760c6f06837b2b92bf3b388
Link:
https://www.unpac.me/results/0e7bb29f-4cc1-48d2-ac1c-89d175da361f/
SH256 hash:
f33c299ba0741d63f26d1cc353cca0fb1e387bcc1f9ab46178c19953b9226369
MD5 hash:
7249b2c8f30c238a6468c39117aff847
SHA1 hash:
50d89bf3416f7631debcf04a39d487a20f8ccc52
Link:
https://www.unpac.me/results/0e7bb29f-4cc1-48d2-ac1c-89d175da361f/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f33c299ba074/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/f33c299ba0741d63f26d1cc353cca0fb1e387bcc1f9ab46178c19953b9226369

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:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
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:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
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_Generic_Threat_9f4a80b2
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

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

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