MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c46ba3a9e3e5d8261d7eab8a1c46502642f592c3cc15dea07677db1398dc689d. 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: 19


Intelligence 19 IOCs YARA 22 File information Comments
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SHA256 hash: c46ba3a9e3e5d8261d7eab8a1c46502642f592c3cc15dea07677db1398dc689d
SHA3-384 hash: d121a3b7d89fc688b8bf7821e789815a903e670648b28b5c527c91677930d4636c3d9473513f455f84cbc2d46846ae0e
SHA1 hash: b09988264a0d2842dde86b8b99bebc305787e4e8
MD5 hash: be452f6123079b02f8e64b5c3b3d65eb
humanhash: high-jupiter-failed-leopard
File name:TTeuro26000.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:679'944 bytes
First seen:2024-06-24 11:52:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:6FIsPARtkv9aRVX0dr4xIep81/KE2P02U1Ee7LzYcZMiuk3qcnWMs8p1EkR:kIKYtkv9K1VIea1iY1EePzpZ8k3xt1
Threatray 2'872 similar samples on MalwareBazaar
TLSH T1E0E4121227FDEB62E7BA8BF1A5A1401003B27A273021D79C2C4635EB2DA7F845753B57
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)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
345
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
c46ba3a9e3e5d8261d7eab8a1c46502642f592c3cc15dea07677db1398dc689d.exe
Verdict:
Malicious activity
Analysis date:
2024-06-24 11:55:07 UTC
Tags:
netreactor stealer agenttesla exfiltration smtp
Link:
https://app.any.run/tasks/ac398ddd-2fa2-4240-9dd7-0a94fc86814d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.738.19375.20884.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66795e1eff0cdfb06de5f12bwin7simulatehigh_evasion
Tags:
Banker Encryption Execution Generic Network Static Msil Dexter
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
Creating a file in the %AppData% subdirectories
Reading critical registry keys
DNS request
Connection attempt
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
infostealer overlay packed vbnet
Link:
https://www.filescan.io/uploads/66795e216be3b3c7c234729b/reports/94b58d2b-b977-4105-a0d0-d66f847f4c27/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/c46ba3a9e3e5d8261d7eab8a1c46502642f592c3cc15dea07677db1398dc689d
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/cf6baa52-a21b-47e9-b836-26ebbe720aee
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1461617
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.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
Allocates memory in foreign processes
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
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1461617 Sample: TTeuro26000.exe Startdate: 24/06/2024 Architecture: WINDOWS Score: 100 57 rtatlas.com 2->57 59 mail.rtatlas.com 2->59 61 198.187.3.20.in-addr.arpa 2->61 65 Snort IDS alert for network traffic 2->65 67 Found malware configuration 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 11 other signatures 2->71 8 TTeuro26000.exe 7 2->8         started        12 aKsrwwIH.exe 5 2->12         started        14 boqXv.exe 2->14         started        16 boqXv.exe 2->16         started        signatures3 process4 file5 49 C:\Users\user\AppData\Roaming\aKsrwwIH.exe, PE32 8->49 dropped 51 C:\Users\...\aKsrwwIH.exe:Zone.Identifier, ASCII 8->51 dropped 53 C:\Users\user\AppData\Local\...\tmp2A27.tmp, XML 8->53 dropped 55 C:\Users\user\AppData\...\TTeuro26000.exe.log, ASCII 8->55 dropped 87 Uses schtasks.exe or at.exe to add and modify task schedules 8->87 89 Writes to foreign memory regions 8->89 91 Allocates memory in foreign processes 8->91 93 Adds a directory exclusion to Windows Defender 8->93 18 RegSvcs.exe 1 4 8->18         started        23 powershell.exe 23 8->23         started        25 powershell.exe 23 8->25         started        27 schtasks.exe 1 8->27         started        95 Multi AV Scanner detection for dropped file 12->95 97 Machine Learning detection for dropped file 12->97 99 Injects a PE file into a foreign processes 12->99 29 RegSvcs.exe 12->29         started        31 schtasks.exe 12->31         started        33 conhost.exe 14->33         started        35 conhost.exe 16->35         started        signatures6 process7 dnsIp8 63 rtatlas.com 178.22.120.100, 49711, 49714, 587 ASIATECHIR Iran (ISLAMIC Republic Of) 18->63 47 C:\Users\user\AppData\Roaming\...\boqXv.exe, PE32 18->47 dropped 73 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->73 75 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->75 77 Loading BitLocker PowerShell Module 23->77 37 conhost.exe 23->37         started        39 WmiPrvSE.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 27->43         started        79 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 29->79 81 Tries to steal Mail credentials (via file / registry access) 29->81 83 Tries to harvest and steal ftp login credentials 29->83 85 Tries to harvest and steal browser information (history, passwords, etc) 29->85 45 conhost.exe 31->45         started        file9 signatures10 process11
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c46ba3a9e3e5d8261d7eab8a1c46502642f592c3cc15dea07677db1398dc689d
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c46ba3a9e3e5d8261d7eab8a1c46502642f592c3cc15dea07677db1398dc689d/
Threat name:
Win32.Spyware.Negasteal
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Status:
Malicious
First seen:
2024-06-18 08:48:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
22 of 24 (91.67%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yrv2hkpd4xmcmhl6vofbyrsqezbplewdzqk55idwo7nrhgg4ncoq._file
Verdict:
malicious
Similar samples:
1b68fe4f599f20aa70efb528ec45495683877193869eb95cd77119bcac096cd1
AgentTesla
ba5b16c28def8e5d0ea0a09bf25b4d980fe89e3537f7034d775ccdf3bd9f5035
AgentTesla
d7262822ef05906467e5352ec17506de18a48530644961ce877ac71cf2cc6d6b
AgentTesla
+ 2'862 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla execution keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240624-n2bjba1alc/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Command and Scripting Interpreter: PowerShell
AgentTesla
Unpacked files
SH256 hash:
dd95120627110914ee8b5e16ffe712623390d8c1d3e6e6118372a08adcbad058
MD5 hash:
2df372a753187b8ec8571f8c21667996
SHA1 hash:
8cbb0037eaeae05a64c4fba98c070b7fccb84fda
Link:
https://www.unpac.me/results/83816cb0-ac96-4e05-9247-e64616e28953/
SH256 hash:
6e00280284f58421b65d2b99251d9e3cc221d83802ed72475de8833ff1807906
MD5 hash:
11e62434ec3a49887434657b4d79a9f6
SHA1 hash:
5b42b431653f550ec74c18e520b2eca18cd1fb73
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/83816cb0-ac96-4e05-9247-e64616e28953/
Parent samples :
b4db822fef33feb78cf74c835c5bb0ade28759d4c5d2ced9cdb410e472bab6cc
a4aeb63141d720f906625b4dc4d9df1360b7a5daa310df980599b143d592b850
3c5f239351056149025c562c8ad854bb85d48fd0e1aa5d3fa298bf5638ad045f
c46ba3a9e3e5d8261d7eab8a1c46502642f592c3cc15dea07677db1398dc689d
444fb4871f9ee687f90ecf33223c91bbf263a7d66f1c665d653ce71559c557bf
SH256 hash:
c4b12039bfed4c8bbb9d1376004da60480e49a379a84c9e60565bbd5caef07b2
MD5 hash:
144f7fcaaa3b81b0a3706203a7f1add8
SHA1 hash:
4bc14913fd448b4a2664e1e9ba664a1c6e9a9194
Link:
https://www.unpac.me/results/83816cb0-ac96-4e05-9247-e64616e28953/
SH256 hash:
ecf1257cb2839319c722daf5323ba2ed7060368b46f84610b6b6823323297826
MD5 hash:
cba51dcdec84ac14ce1eaf2ede86f28b
SHA1 hash:
2e77e64525600817d96b4d9c497135c989e608ee
Link:
https://www.unpac.me/results/83816cb0-ac96-4e05-9247-e64616e28953/
SH256 hash:
c46ba3a9e3e5d8261d7eab8a1c46502642f592c3cc15dea07677db1398dc689d
MD5 hash:
be452f6123079b02f8e64b5c3b3d65eb
SHA1 hash:
b09988264a0d2842dde86b8b99bebc305787e4e8
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/83816cb0-ac96-4e05-9247-e64616e28953/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c46ba3a9e3e5/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/c46ba3a9e3e5d8261d7eab8a1c46502642f592c3cc15dea07677db1398dc689d

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_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_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
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
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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_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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.

Malspam

AgentTesla

Executable exe c46ba3a9e3e5d8261d7eab8a1c46502642f592c3cc15dea07677db1398dc689d

(this sample)

  
Delivery method
Distributed via e-mail attachment

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