MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 539a73b89c941089900d7a97da467fbc0b8a7aca89a94f488c278835583d1a5d. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 539a73b89c941089900d7a97da467fbc0b8a7aca89a94f488c278835583d1a5d
SHA3-384 hash: 788e5d9a151d378f2457022f3944d3df51992a043c58b8171be4ef1dd406050373638a65ce1235ebc2192a181b4228f1
SHA1 hash: 1ae79484e848b35a1357607aab7ef529df7033ca
MD5 hash: a59eb6198fab285a182e5aff812d765d
humanhash: moon-dakota-black-don
File name:Banka kopyası.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:746'496 bytes
First seen:2023-09-04 06:03:50 UTC
Last seen:2023-09-04 06:38:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:UUOPypIzpfOUmJZeCZK9xlhQEjIIcwVVXwOW8ZFtcY9Qxov9O1YBKkHhZ:UUOPypIzpWUgZx43EIcwwyD39fvA45hZ
Threatray 1'324 similar samples on MalwareBazaar
TLSH T1FBF4DF41A665C712D6B4B7F3D021A7F407B5EE2AE5F2D2471C827CCA36B3B504B42A27
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
257
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Banka kopyası.pdf.exe
Verdict:
Suspicious activity
Analysis date:
2023-09-04 06:07:51 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7b5816c8-c7d9-451e-995d-27f727d83be0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/445934/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed powershell
Link:
https://www.filescan.io/uploads/64f5735867511af1a1b42dab/reports/6d6c2948-47bd-4d5d-8d2d-043853a6c91f/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/539a73b89c941089900d7a97da467fbc0b8a7aca89a94f488c278835583d1a5d
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9923e6e3-3278-4111-9eac-ea6274947922
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1302621
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Changes security center settings (notifications, updates, antivirus, firewall)
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
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)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1302621 Sample: Banka_kopyas#U0131.pdf.exe Startdate: 04/09/2023 Architecture: WINDOWS Score: 100 63 Found malware configuration 2->63 65 Sigma detected: Scheduled temp file as task from temp location 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 6 other signatures 2->69 8 Banka_kopyas#U0131.pdf.exe 7 2->8         started        12 TmrcmQVVe.exe 5 2->12         started        14 MmRKwR.exe 2->14         started        17 MmRKwR.exe 2->17         started        process3 dnsIp4 57 C:\Users\user\AppData\Roaming\TmrcmQVVe.exe, PE32 8->57 dropped 59 C:\Users\user\AppData\Local\...\tmp289F.tmp, XML 8->59 dropped 79 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->79 81 Uses schtasks.exe or at.exe to add and modify task schedules 8->81 83 Adds a directory exclusion to Windows Defender 8->83 85 Injects a PE file into a foreign processes 8->85 19 Banka_kopyas#U0131.pdf.exe 2 5 8->19         started        23 svchost.exe 8->23         started        37 3 other processes 8->37 87 Multi AV Scanner detection for dropped file 12->87 25 TmrcmQVVe.exe 4 12->25         started        27 schtasks.exe 1 12->27         started        61 192.168.2.1 unknown unknown 14->61 29 MmRKwR.exe 14->29         started        31 schtasks.exe 14->31         started        33 MmRKwR.exe 17->33         started        35 schtasks.exe 17->35         started        file5 signatures6 process7 file8 53 C:\Users\user\AppData\Roaming\...\MmRKwR.exe, PE32 19->53 dropped 55 C:\Users\user\...\MmRKwR.exe:Zone.Identifier, ASCII 19->55 dropped 71 Tries to steal Mail credentials (via file / registry access) 19->71 73 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->73 75 Changes security center settings (notifications, updates, antivirus, firewall) 23->75 39 MpCmdRun.exe 23->39         started        41 conhost.exe 27->41         started        43 conhost.exe 31->43         started        77 Tries to harvest and steal browser information (history, passwords, etc) 33->77 45 conhost.exe 35->45         started        47 conhost.exe 37->47         started        49 conhost.exe 37->49         started        signatures9 process10 process11 51 conhost.exe 39->51         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/539a73b89c941089900d7a97da467fbc0b8a7aca89a94f488c278835583d1a5d/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-08-31 17:49:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
22 of 38 (57.89%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=konhhoe4sqiiteanpkl5urt7xqfyu6wkrguu6seme6edkwb5djoq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2decf9f032b05a94f2523760f10ac0638a06a946e5eea8b9cdfbedc7339cf04a
AgentTesla
6461077970b9463db60faad97819790772c4b8cf94cc068d6a6524f5b7fc28de
AgentTesla
9cfed5bc98b11404bb772050f21ff79745ddd87586ba977ff3db792444b5c399
AgentTesla
b905e2aaf41c07e00b4daf4c1d473a43880057be0c95268a5c4eb8c838f80c2f
AgentTesla
d88ca1dd2194d68703b49f6aeb18e8d2a08132d5f348b9d0cfaa96b90a87384d
AgentTesla
e8c89752942b8011820e9d04753700eb70f77a8701796ef7e826399cf889f9ec
AgentTesla
eb617190b27e7449ed078297a96bf5b8b11e02e0f3bf1fa2bc947cac60e8590c
AgentTesla
faaa913f0d90b0848bb2ccb743fc3f14d93c21c0085b569dac67cbc14273624f
AgentTesla
+ 1'314 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230904-gsljlaee89/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks computer location settings
Unpacked files
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
Link:
https://www.unpac.me/results/779b98cb-0dfa-4825-96ba-b224b784d217/
SH256 hash:
eedff52d527659d9330470a4493ee998128e6c170d7975d567529e21ae92c7ec
MD5 hash:
0c68c08f6b34cdf6188f3bc67f04f216
SHA1 hash:
5f131e4e0a296b826c8b6e928d850c8e63a94f41
Link:
https://www.unpac.me/results/779b98cb-0dfa-4825-96ba-b224b784d217/
SH256 hash:
c094444932babf732e788625413d66665af54fa789015decb7e2da3d3ab25dc3
MD5 hash:
49204dbac9267797c9f6679a4bac06ec
SHA1 hash:
5590f19a53f6e6a88d14adfbc83ea1cd7ae002c7
Link:
https://www.unpac.me/results/779b98cb-0dfa-4825-96ba-b224b784d217/
SH256 hash:
ac714d83e8d3b32b400e8dfc36def17d15538ef072911d14e261d87ea9cab78b
MD5 hash:
cb2347e149ff6316ea5f0c790e5cf2ed
SHA1 hash:
434680e6b87449d735d1937f68899c2c9b0e7272
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/779b98cb-0dfa-4825-96ba-b224b784d217/
Parent samples :
ef2d17ea4829813cf2ce706c8095a6153d3f21b78bc9bae968ad35b3c1d2a971
a7024503150a71ed19038ab2b9e15b1face0fb8a8200168f5ad145d0b4dfed85
154698b85e29d0a57c9a84259848081e12e9d666ebbefd65058fa8bd8bce7525
6b4202bd5cde8452d87b131f9689744c0a1de1196e09ff29dbe969f63ca4c3b7
32aa90278a7f5ef3eda8f90d36be4c48ef411d39b07c0fe5fe1ce4f695497635
eac176276ac9472b58ad204d92036f532ce91bc1aa72c5e20bce31743fe612d7
b74886726207fd58bd94f10ae0bcb9ab980102c4230b5e7127703ea3fc3e8807
539a73b89c941089900d7a97da467fbc0b8a7aca89a94f488c278835583d1a5d
SH256 hash:
539a73b89c941089900d7a97da467fbc0b8a7aca89a94f488c278835583d1a5d
MD5 hash:
a59eb6198fab285a182e5aff812d765d
SHA1 hash:
1ae79484e848b35a1357607aab7ef529df7033ca
Link:
https://www.unpac.me/results/779b98cb-0dfa-4825-96ba-b224b784d217/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/539a73b89c94/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/539a73b89c941089900d7a97da467fbc0b8a7aca89a94f488c278835583d1a5d

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

Executable exe 539a73b89c941089900d7a97da467fbc0b8a7aca89a94f488c278835583d1a5d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/445934/

Comments