MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4484da3c76598bb0d37ee0ff055c05569ec96852f459112437ea3563441ea95d. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4484da3c76598bb0d37ee0ff055c05569ec96852f459112437ea3563441ea95d
SHA3-384 hash: bc760a0c26095d0a31d468df1e2b5ffd86a521e4d22287d8dacbea87fb0cf612c8ebfbd050e62a1dcb0b595b0ade14bb
SHA1 hash: e44608a617ab6c0064ad445493f051faff0c523b
MD5 hash: d455cfa10c484ee645c860904571cc27
humanhash: delta-red-william-charlie
File name:Halkbank_Ekstre_20230719_080713_458894.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:647'168 bytes
First seen:2023-07-19 09:22:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:UHPYPfY7A8TRBQ1FygLZaHEhBEG/CnXDFq4oX2kXqTp:iPYPgE8T/QDyUZaHEIG6npq4GxXq9
TLSH T1D9D4010179A88713CAB48BF60264A74463BA9FDC24B6F06DDF9BEDD671B8F150940E07
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 lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
286
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Halkbank_Ekstre_20230719_080713_458894.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-07-19 09:24:42 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/d06fba32-f8d3-4d9c-adc4-740450713de7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/424550/
Detection(s):
SecuriteInfo.com.Win32.TrojanX-gen.8186.9661.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/64b7ab79fd9e198dc11605e2/reports/7a36a164-f8da-45e0-9802-a0a6b0fe2c7d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/4484da3c76598bb0d37ee0ff055c05569ec96852f459112437ea3563441ea95d
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/c23c5a34-6c7b-43c1-aff0-f2b024ed5528
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1275817
Signature
Adds a directory exclusion to Windows Defender
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
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
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
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, 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
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1275817 Sample: Halkbank_Ekstre_20230719_08... Startdate: 19/07/2023 Architecture: WINDOWS Score: 100 74 Snort IDS alert for network traffic 2->74 76 Found malware configuration 2->76 78 Sigma detected: Scheduled temp file as task from temp location 2->78 80 8 other signatures 2->80 7 Halkbank_Ekstre_20230719_080713_458894.pdf.exe 7 2->7         started        11 XXYTWrCenD.exe 5 2->11         started        13 plQRn123.exe 2->13         started        15 plQRn123.exe 2->15         started        process3 file4 52 C:\Users\user\AppData\...\XXYTWrCenD.exe, PE32 7->52 dropped 54 C:\Users\...\XXYTWrCenD.exe:Zone.Identifier, ASCII 7->54 dropped 56 C:\Users\user\AppData\Local\...\tmp450D.tmp, XML 7->56 dropped 58 Halkbank_Ekstre_20..._458894.pdf.exe.log, ASCII 7->58 dropped 90 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->90 92 May check the online IP address of the machine 7->92 94 Uses schtasks.exe or at.exe to add and modify task schedules 7->94 96 Adds a directory exclusion to Windows Defender 7->96 17 Halkbank_Ekstre_20230719_080713_458894.pdf.exe 17 10 7->17         started        22 powershell.exe 21 7->22         started        24 schtasks.exe 1 7->24         started        98 Multi AV Scanner detection for dropped file 11->98 100 Machine Learning detection for dropped file 11->100 102 Injects a PE file into a foreign processes 11->102 26 XXYTWrCenD.exe 11->26         started        28 schtasks.exe 1 11->28         started        30 plQRn123.exe 13->30         started        32 schtasks.exe 13->32         started        34 plQRn123.exe 15->34         started        36 schtasks.exe 15->36         started        signatures5 process6 dnsIp7 60 api4.ipify.org 104.237.62.211, 443, 49690, 49693 WEBNXUS United States 17->60 62 api.telegram.org 149.154.167.220, 443, 49691, 49692 TELEGRAMRU United Kingdom 17->62 64 api.ipify.org 17->64 48 C:\Users\user\AppData\...\plQRn123.exe, PE32 17->48 dropped 50 C:\Users\...\plQRn123.exe:Zone.Identifier, ASCII 17->50 dropped 82 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->82 84 Tries to steal Mail credentials (via file / registry access) 17->84 86 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->86 38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        66 api.ipify.org 26->66 42 conhost.exe 28->42         started        68 192.168.2.1 unknown unknown 30->68 70 api.ipify.org 30->70 44 conhost.exe 32->44         started        72 api.ipify.org 34->72 88 Tries to harvest and steal browser information (history, passwords, etc) 34->88 46 conhost.exe 36->46         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4484da3c76598bb0d37ee0ff055c05569ec96852f459112437ea3563441ea95d/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-07-19 09:23:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iscnupdwlgf3bu364d7qkxafk2pms2cs6rmrcjbx5i2wgra6vfoq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230719-lcgb6abe71/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot6049792420:AAHwUyqJTP4pl8DBra94fSd55sxG3oBrU5U/
Unpacked files
SH256 hash:
45b5a61e4a8f4025d3e94f407c0e84a2cde427a918f2a5446278e22117da1d4c
MD5 hash:
ca775551666be768a9241f43eec98b87
SHA1 hash:
fbbd937067a24c48ee5274d3fa2881a991e64f3c
Link:
https://www.unpac.me/results/0efbf14b-e117-49ad-ac68-348f7d78231f/
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
Link:
https://www.unpac.me/results/0efbf14b-e117-49ad-ac68-348f7d78231f/
SH256 hash:
19bb3545365eccbdc17e3e62c8be31d453f3cc54807ef7794160187711ea17ce
MD5 hash:
3d410f8e15e0b6657518ac2f1569f231
SHA1 hash:
a13b052a5ea8a6c91a220ba8dd4f65274dc88af2
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/0efbf14b-e117-49ad-ac68-348f7d78231f/
Parent samples :
4484da3c76598bb0d37ee0ff055c05569ec96852f459112437ea3563441ea95d
fcc04c16f9e1b91da50286411e8d8e2deb5a62a276ba4558d2fcaa2350f49f46
64ff519257d1070b845d9b5150375782b75871ea4efa65e01495df2ac51a57e3
SH256 hash:
9241b2a630301d7fdf0bb845bbc61b9292e5e8d50129f02bc45b9ef8447750fa
MD5 hash:
dfc8617de1cc44316f99cdcdeb631bfd
SHA1 hash:
8226c390341191764e35438e219800db4f62ff14
Link:
https://www.unpac.me/results/0efbf14b-e117-49ad-ac68-348f7d78231f/
SH256 hash:
4484da3c76598bb0d37ee0ff055c05569ec96852f459112437ea3563441ea95d
MD5 hash:
d455cfa10c484ee645c860904571cc27
SHA1 hash:
e44608a617ab6c0064ad445493f051faff0c523b
Link:
https://www.unpac.me/results/0efbf14b-e117-49ad-ac68-348f7d78231f/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4484da3c7659/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/4484da3c76598bb0d37ee0ff055c05569ec96852f459112437ea3563441ea95d

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: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 4484da3c76598bb0d37ee0ff055c05569ec96852f459112437ea3563441ea95d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/424550/

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