MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9
SHA3-384 hash: 685f54936455b5ca8ee069f5ae79c3df3e1a93745ef79f00bb4115f61ce65290921285caa14624dc63776f340ac62238
SHA1 hash: 25628dc2c0a5d72dc211d927a93ce8b267c1c610
MD5 hash: 98b8971518202ded11fdcc151ed02557
humanhash: berlin-five-berlin-michigan
File name:Quotation PDF.bat
Download: download sample
Signature AgentTesla
Create hunting rule
File size:674'816 bytes
First seen:2024-04-29 12:12:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:aLbB778QvvMehgHaUJ4h+665eeTUPdphLhPf0bPp75mumu98FkEVZ9LfiN3sTxYj:GbBhMCwip65EVzL5ox7r96DFLfc
Threatray 1'172 similar samples on MalwareBazaar
TLSH T1C9E422A941DD87BAC0BD06F98D9D109DABF0561A67E0F7CDCED021DE65273C88812A1F
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 4018f9e960e20464 (19 x AgentTesla, 6 x Formbook, 2 x PureLogsStealer)
Reporter cocaman
Tags:AgentTesla bat exe QUOTATION

Intelligence

File Origin
# of uploads :
1
# of downloads :
338
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe
Verdict:
Malicious activity
Analysis date:
2024-04-29 12:16:06 UTC
Tags:
smtp exfiltration stealer agenttesla
Link:
https://app.any.run/tasks/0d400a15-fd3b-4e74-89d0-435153262214

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
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/662f8ed5d2fc149e41277d71/reports/0d392893-99eb-4908-88f5-c79dc1c58688/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9
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/7e5cd739-9fee-4f27-8bec-73602cb44a1b
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1433326
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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
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
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1433326 Sample: Quotation PDF.bat.exe Startdate: 29/04/2024 Architecture: WINDOWS Score: 100 57 mail.fascia-arch.com 2->57 59 api.ipify.org 2->59 67 Found malware configuration 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 Antivirus / Scanner detection for submitted sample 2->71 73 16 other signatures 2->73 8 Quotation PDF.bat.exe 7 2->8         started        12 BjTxJte.exe 2->12         started        14 wIJZGYVmVbqsV.exe 5 2->14         started        16 BjTxJte.exe 2->16         started        signatures3 process4 file5 53 C:\Users\user\AppData\...\wIJZGYVmVbqsV.exe, PE32 8->53 dropped 55 C:\Users\user\AppData\Local\...\tmp1832.tmp, XML 8->55 dropped 89 Adds a directory exclusion to Windows Defender 8->89 91 Injects a PE file into a foreign processes 8->91 18 Quotation PDF.bat.exe 16 5 8->18         started        23 powershell.exe 23 8->23         started        25 powershell.exe 23 8->25         started        27 schtasks.exe 1 8->27         started        93 Antivirus detection for dropped file 12->93 95 Multi AV Scanner detection for dropped file 12->95 97 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->97 29 BjTxJte.exe 12->29         started        31 schtasks.exe 12->31         started        99 Machine Learning detection for dropped file 14->99 33 wIJZGYVmVbqsV.exe 14->33         started        35 schtasks.exe 14->35         started        signatures6 process7 dnsIp8 61 mail.fascia-arch.com 50.87.195.61, 49710, 49712, 49719 UNIFIEDLAYER-AS-1US United States 18->61 63 api.ipify.org 104.26.13.205, 443, 49707, 49711 CLOUDFLARENETUS United States 18->63 49 C:\Users\user\AppData\Roaming\...\BjTxJte.exe, PE32 18->49 dropped 51 C:\Users\user\...\BjTxJte.exe:Zone.Identifier, ASCII 18->51 dropped 75 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->75 77 Tries to steal Mail credentials (via file / registry access) 18->77 79 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->79 81 Loading BitLocker PowerShell Module 23->81 37 conhost.exe 23->37         started        39 WmiPrvSE.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 27->43         started        65 172.67.74.152, 443, 49718 CLOUDFLARENETUS United States 29->65 83 Tries to harvest and steal ftp login credentials 29->83 85 Tries to harvest and steal browser information (history, passwords, etc) 29->85 87 Installs a global keyboard hook 29->87 45 conhost.exe 31->45         started        47 conhost.exe 35->47         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-04-29 03:30:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u2e6l4oi2oqzknun2ywpsskt4vnlxo4h65pagy5g2co74k5sxs4q._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
530b019d1e22535451dbefd997a09c85eeeaa313b114c67ab67329d5fe14e8fc
AgentTesla
5d2b78785f719fda04cda095b4dfb75d00440fc39ab6e52d176a74786541bdaf
AgentTesla
a0256620e6fca3aed48fb36d3d7d798e5d0f790bdfaf93e56a4b9471ade8f7e7
AgentTesla
a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9
AgentTesla
e48b7b9ba50d500f569024126a2ff8981db13525ff378ea2151ce8d6b7e4e452
AgentTesla
+ 1'162 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240429-pdqtrsab39/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
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
AgentTesla
Unpacked files
SH256 hash:
82199860b0f73d30a37f55f02de0155d48af57b51ad36803269d40061a64b489
MD5 hash:
fa9ccebf2ff9e2134c80d3164e298517
SHA1 hash:
fa49979213d35f021961dca31cf23d067bfbac29
Link:
https://www.unpac.me/results/89b220e3-e353-4d70-955a-fb114d844334/
SH256 hash:
aed4a976a528f9472b707daae3bc4e722978bce7f0ac54b72cf1cfcd5981a5d8
MD5 hash:
9e4aea62ee76efb9013e6440afd8ffe6
SHA1 hash:
8d597f109698e7c74da0f20815fc4da575ce29c4
Link:
https://www.unpac.me/results/89b220e3-e353-4d70-955a-fb114d844334/
SH256 hash:
5f66b0973ce8bf4d87f6529abfb731a42d96079e5eaebe57f3e7def66915c6a5
MD5 hash:
d25da25fb9ae0d7ebb4ea29fa52726a6
SHA1 hash:
798c2d0b7710add68935cbc8799d7d2343cf5748
Link:
https://www.unpac.me/results/89b220e3-e353-4d70-955a-fb114d844334/
SH256 hash:
be90654d1de70313ed1a7f1df854e70836cb15bf68994efa48b29c687010453b
MD5 hash:
fb43d947626f57f4ccbaec3a443b39d5
SHA1 hash:
10f61d35f858692c557fcc4c134cc87dfb843533
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/89b220e3-e353-4d70-955a-fb114d844334/
Parent samples :
7fd14673f73717b024728ae4248be0a1579f480a261c4f4d94742f230a01cb47
470e7bcb766a436b50d28e362621b59467b6e6aa4146b467f4175a8b5c9eaa04
1a794211deaa0ecb6abc6101d7c1bd61111b4dd2d895ee7ecf78fbf17f4c9ab3
a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9
8f04bba175e96923db4eb5a06dfe1e4c39051cfbc1d536cc3d1270b3cad487fb
5ee0119fa93265045b839fb5da8a4999fe6ba026e4492e7580cb13009128ac12
fa9a560ec483160759a683077a5c9e7d5117d9d2d3ce6d0e986dc072a9d1472f
7bb694bab3806b873ca20a5aab1d949e6e16eca517abcd91a197cfe7c5a3008c
SH256 hash:
a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9
MD5 hash:
98b8971518202ded11fdcc151ed02557
SHA1 hash:
25628dc2c0a5d72dc211d927a93ce8b267c1c610
Link:
https://www.unpac.me/results/89b220e3-e353-4d70-955a-fb114d844334/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a689e5f1c8d3/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/a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9

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: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

File information

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

Malspam

AgentTesla

rar 5adeb944aad149482098300397b26da3508a5ea50f8d0ede8a23afaeb3d464e5

AgentTesla

Executable exe a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 5adeb944aad149482098300397b26da3508a5ea50f8d0ede8a23afaeb3d464e5
  
Dropped by
MD5 27736c2799bb3da671b5ac32c492d66e

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