MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca471400001374bddf5e6ff03db7889cf53bd516fe64209faee8b894b454c3c5. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca471400001374bddf5e6ff03db7889cf53bd516fe64209faee8b894b454c3c5
SHA3-384 hash: b22e863ebe2cbd9b4e5b74e0f8be4bda8f547fba579b50e036a89e021e5b3752c4b924ab60ae121baed34795b24bd9c6
SHA1 hash: 934e5433fc83af812db461e3e7748c311e19b1bc
MD5 hash: 457f6cb01c6f3f7922ac201f70111ae5
humanhash: fifteen-magnesium-cola-mirror
File name:autorization Letter.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:841'224 bytes
First seen:2024-09-26 05:01:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:4nIY7owVZppDU/4p2v213ZYip6rhrCWKjMA:4t7o6Zp9L2v2TYXrhrCWkMA
TLSH T16805F1A079328843D53B4FBC8823D2B54AB49C4E7113A29B71EC7E373C5928D594B67E
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)
Magika pebin
File icon (PE):PE icon
dhash icon f0dcb8e0a08ef070 (5 x AgentTesla, 1 x MassLogger)
Reporter cocaman
Tags:AgentTesla DHL exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
484
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
autorization Letter.exe
Verdict:
Malicious activity
Analysis date:
2024-09-26 05:13:42 UTC
Tags:
stealer agenttesla exfiltration netreactor amsi-bypass smtp
Link:
https://app.any.run/tasks/29999ae2-1426-41ab-9bea-e6ec7a467824

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.BackDoor.AgentTeslaNET.20.30362.29888.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66f4eacdc5ef4567b6c9b820
Tags:
Banker Encryption Execution Generic Network Static Gensteal Dexter Infosteal Exploit Tori Sage
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
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/ca471400001374bddf5e6ff03db7889cf53bd516fe64209faee8b894b454c3c5
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/4e8a17f8-f704-419a-abd0-8cf341b37bab
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1519119
Signature
.NET source code contains potential unpacker
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
Suricata IDS alerts 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: 1519119 Sample: autorization Letter.exe Startdate: 26/09/2024 Architecture: WINDOWS Score: 100 57 mail.unitechautomations.com 2->57 61 Suricata IDS alerts for network traffic 2->61 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 11 other signatures 2->67 8 autorization Letter.exe 7 2->8         started        12 tIFjYTCo.exe 5 2->12         started        14 GUIVTme.exe 2->14         started        16 GUIVTme.exe 2->16         started        signatures3 process4 file5 49 C:\Users\user\AppData\Roaming\tIFjYTCo.exe, PE32 8->49 dropped 51 C:\Users\...\tIFjYTCo.exe:Zone.Identifier, ASCII 8->51 dropped 53 C:\Users\user\AppData\Local\...\tmpF639.tmp, XML 8->53 dropped 55 C:\Users\user\...\autorization Letter.exe.log, ASCII 8->55 dropped 83 Writes to foreign memory regions 8->83 85 Allocates memory in foreign processes 8->85 87 Adds a directory exclusion to Windows Defender 8->87 89 Injects a PE file into a foreign processes 8->89 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        91 Multi AV Scanner detection for dropped file 12->91 93 Machine Learning detection for dropped file 12->93 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 59 mail.unitechautomations.com 192.185.129.60, 49711, 49712, 587 UNIFIEDLAYER-AS-1US United States 18->59 47 C:\Users\user\AppData\Roaming\...behaviorgraphUIVTme.exe, PE32 18->47 dropped 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->69 71 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->71 73 Loading BitLocker PowerShell Module 23->73 37 conhost.exe 23->37         started        39 WmiPrvSE.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 27->43         started        75 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 29->75 77 Tries to steal Mail credentials (via file / registry access) 29->77 79 Tries to harvest and steal ftp login credentials 29->79 81 Tries to harvest and steal browser information (history, passwords, etc) 29->81 45 conhost.exe 31->45         started        file9 signatures10 process11
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ca471400001374bddf5e6ff03db7889cf53bd516fe64209faee8b894b454c3c5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ca471400001374bddf5e6ff03db7889cf53bd516fe64209faee8b894b454c3c5/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-09-25 04:30:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
22 of 38 (57.89%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zjdriaaacn2l3x26n7yd3n4itt2txviw7zscbh5o5c4jjncuypcq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
agenttesla_v4
Create hunting rule
unknown_loader_037
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla discovery execution keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240926-fn5agaygjl/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Command and Scripting Interpreter: PowerShell
AgentTesla
Verdict:
Malicious
Tags:
agent_tesla
YARA:
n/a
Link:
https://app.threat.zone/submission/213b824f-90b9-404d-b6da-3e102e0c71b8
Unpacked files
SH256 hash:
abdf032878b2df29c596f3b475dc6cc53e8498a49465222af5e41597f8ebab3e
MD5 hash:
7f060658be78de02c6359c6ad55c0913
SHA1 hash:
8a549c8e633b7d2dbf487970892edbc0c76600d8
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/a05a8c0a-3c5e-4a27-afc7-c6fd6767b067/
Parent samples :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 hash:
9c33d2174eee112574dbcc1ee0cf250de41843e9a846746608a746123c2b1b90
MD5 hash:
f98ca84dce48829fd6850206dd98d737
SHA1 hash:
49c322c06827501ee3b943031bf55c980701c23f
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/a05a8c0a-3c5e-4a27-afc7-c6fd6767b067/
SH256 hash:
34f9c0f82364c97a1737470fd73c632cb00050d9ce92f01dd028ef66e9612de2
MD5 hash:
6ef08575b2126993b638d36c5fabcdad
SHA1 hash:
0875b6c295608b7b3ead7143258d7ba5cabe10fd
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/a05a8c0a-3c5e-4a27-afc7-c6fd6767b067/
Parent samples :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 hash:
ca471400001374bddf5e6ff03db7889cf53bd516fe64209faee8b894b454c3c5
MD5 hash:
457f6cb01c6f3f7922ac201f70111ae5
SHA1 hash:
934e5433fc83af812db461e3e7748c311e19b1bc
Link:
https://www.unpac.me/results/a05a8c0a-3c5e-4a27-afc7-c6fd6767b067/
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/ca471400001374bddf5e6ff03db7889cf53bd516fe64209faee8b894b454c3c5

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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
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

File information

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

Malspam

AgentTesla

zip 20868c1653dfe702c2192bf09fd0aa2fa7424a341dcc89c4883260a0747c479f

AgentTesla

Executable exe ca471400001374bddf5e6ff03db7889cf53bd516fe64209faee8b894b454c3c5

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 20868c1653dfe702c2192bf09fd0aa2fa7424a341dcc89c4883260a0747c479f
  
Dropped by
MD5 92b7f6de0dc314f73303669750f13ca1

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