MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f21d320d61d49c7cda056fc1206071a72fe9823e43be4d97763ec0603b0772a. 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: 20


Intelligence 20 IOCs YARA 17 File information Comments
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SHA256 hash: 3f21d320d61d49c7cda056fc1206071a72fe9823e43be4d97763ec0603b0772a
SHA3-384 hash: e3b59103ddfd66002893a792232d5beae1e9656ac9ed85f10ea87f981a6c814c129126d984b7ce0948ddd557bef53607
SHA1 hash: cc4d9a5dc8afb5b749d56e09684f4f13ae8a8923
MD5 hash: 84e296c56f699ccfd91dc9b1ace01eef
humanhash: oscar-solar-stream-bacon
File name:Payment-Confirmation.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:690'176 bytes
First seen:2024-05-28 11:17:41 UTC
Last seen:2024-05-28 12:43:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:TKcDV/xXIX9GulFT2vff3Dbmh/gTHR/IzHzmCJAyyQdNwGsQwvwMqZH/2A:Gcuiv339rmxAypWNE2
Threatray 1'682 similar samples on MalwareBazaar
TLSH T1AAE4126236A57BB3E579DBF4449A240607FC335221A1FBCA1EC234C719D6F2E8249727
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)
File icon (PE):PE icon
dhash icon b2b269f0d4e88692 (5 x AgentTesla, 4 x Formbook, 2 x Loki)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
379
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
3f21d320d61d49c7cda056fc1206071a72fe9823e43be4d97763ec0603b0772a.exe
Verdict:
Malicious activity
Analysis date:
2024-05-28 11:18:15 UTC
Tags:
telegram exfiltration stealer agenttesla
Link:
https://app.any.run/tasks/87a6e3b9-1efb-49ce-9000-660ef2998079

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Packed2.46844.6559.30056.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6655bd783d0e5a324e7653a8win7simulatehigh_evasion
Tags:
Banker Encryption Execution Network Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade overlay packed
Link:
https://www.filescan.io/uploads/6655bd70458fabe8a95c79cf/reports/983abae1-76d9-4fca-9279-5501211fa5d5/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/3f21d320d61d49c7cda056fc1206071a72fe9823e43be4d97763ec0603b0772a
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1762e9b2-e187-46fe-8063-4a3be1a87983
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1448511
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
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
Snort IDS alert for network traffic
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
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1448511 Sample: Payment-Confirmation.exe Startdate: 28/05/2024 Architecture: WINDOWS Score: 100 42 api.telegram.org 2->42 46 Snort IDS alert for network traffic 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 54 14 other signatures 2->54 8 Payment-Confirmation.exe 7 2->8         started        12 IXSXKDi.exe 5 2->12         started        signatures3 52 Uses the Telegram API (likely for C&C communication) 42->52 process4 file5 38 C:\Users\user\AppData\Roaming\IXSXKDi.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmpE666.tmp, XML 8->40 dropped 56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->56 58 Uses schtasks.exe or at.exe to add and modify task schedules 8->58 60 Adds a directory exclusion to Windows Defender 8->60 62 Injects a PE file into a foreign processes 8->62 14 Payment-Confirmation.exe 15 2 8->14         started        18 powershell.exe 22 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        64 Antivirus detection for dropped file 12->64 66 Multi AV Scanner detection for dropped file 12->66 68 Machine Learning detection for dropped file 12->68 24 IXSXKDi.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 44 api.telegram.org 149.154.167.220, 443, 49733, 49736 TELEGRAMRU United Kingdom 14->44 70 Loading BitLocker PowerShell Module 18->70 28 WmiPrvSE.exe 18->28         started        30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->72 74 Tries to steal Mail credentials (via file / registry access) 24->74 76 Tries to harvest and steal ftp login credentials 24->76 78 Tries to harvest and steal browser information (history, passwords, etc) 24->78 36 conhost.exe 26->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3f21d320d61d49c7cda056fc1206071a72fe9823e43be4d97763ec0603b0772a
Detection:
agenttesla
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Link:
https://mwdb.cert.pl/sample/3f21d320d61d49c7cda056fc1206071a72fe9823e43be4d97763ec0603b0772a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2024-05-28 11:18:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h4q5gigwdve4ptnak36bebqhdjzp5gbd4q56jwlxmpwama5qo4va._file
Verdict:
malicious
Label(s):
agenttesla_v4
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agenttesla
Create hunting rule
Similar samples:
67251e9318b1791c1a5c112f3dfef053bfab70cfe5c3f3c7e8ea3c0d0d77ecfd
AgentTesla
f2346bf320fa56b3774857ea5b9019db993a94c52a8a65c9cb9a556c0c963c20
AgentTesla
f48bc5d53964eaabd32c0dd7a11403b8b259c86331a37bf73b54e47ad6b101f1
AgentTesla
+ 1'672 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla execution keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240528-nd9ffagg6t/
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
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
Command and Scripting Interpreter: PowerShell
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot6897225989:AAEsj1_ySDFr0QUwWeWQMrpxjobbAY0Fqu8/
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/336279a8-e302-4c89-bcc0-306478c5d250
Unpacked files
SH256 hash:
c48ddad59e255ac06315b3d683c90a19957f5579cc1dded1fc452de251706039
MD5 hash:
dc2ca36d15ffc6b0db63d5878c54a303
SHA1 hash:
f7ece51849148af5559f44f3d4e8413dfe17ddf3
Detections:
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
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INDICATOR_EXE_Packed_GEN01
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INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
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Link:
https://www.unpac.me/results/f816ad58-ebbf-47e8-86bd-ef04f89f11b1/
SH256 hash:
73113abdadefd54e02f0d3f3aec21c31e96b315dc2ad6ae7d725cd5197e97c48
MD5 hash:
ae27d0d76e10c13d9dc0ad2a6b147756
SHA1 hash:
f1a4bc030b4476ac1450cc797213e34f567dd434
Link:
https://www.unpac.me/results/f816ad58-ebbf-47e8-86bd-ef04f89f11b1/
SH256 hash:
aae920669816646b4e0ac4a604482bd7803cad33aa31eb39b0e5661900b97df9
MD5 hash:
6ee07543aa79d4a0387c5167aab308dd
SHA1 hash:
c2af6c73d3bbe9232a18143c93f69a23ac07b068
Link:
https://www.unpac.me/results/f816ad58-ebbf-47e8-86bd-ef04f89f11b1/
SH256 hash:
115e20722bdb11093a4cfde263a3e89e766aa90c0f4e98238db48045943d3c01
MD5 hash:
7e8ee04279a8c4554f13441da56d19fb
SHA1 hash:
c1774daa52fd252d30f26107e3a7612f75f589ec
Link:
https://www.unpac.me/results/f816ad58-ebbf-47e8-86bd-ef04f89f11b1/
SH256 hash:
9ca19dfb4e900f0f08bb644111a73553b0c79652defe6c29eb4f2bfc87e231ca
MD5 hash:
c727dd7bb64665b262e5a1dc6e008770
SHA1 hash:
27e3e26109f51b8a6d84dc493856ac73538cfbc0
Link:
https://www.unpac.me/results/f816ad58-ebbf-47e8-86bd-ef04f89f11b1/
SH256 hash:
3f21d320d61d49c7cda056fc1206071a72fe9823e43be4d97763ec0603b0772a
MD5 hash:
84e296c56f699ccfd91dc9b1ace01eef
SHA1 hash:
cc4d9a5dc8afb5b749d56e09684f4f13ae8a8923
Link:
https://www.unpac.me/results/f816ad58-ebbf-47e8-86bd-ef04f89f11b1/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3f21d320d61d/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/3f21d320d61d49c7cda056fc1206071a72fe9823e43be4d97763ec0603b0772a

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
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Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
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: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_808f680e
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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