MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b2e846795ea3a86dce12945d9ba6e029643647b92451c29f8b20b613008ca1e. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 4b2e846795ea3a86dce12945d9ba6e029643647b92451c29f8b20b613008ca1e
SHA3-384 hash: dede0484ca93c797decd40bea939068edbfb6b065a7e884d54b064971e694c57cf98bff58945ca001d3d64559ab2531f
SHA1 hash: e7cc5c1e6ed23e255beb182a366d40b2e642be38
MD5 hash: 29047d1334b1751429a8bc43243144bd
humanhash: finch-hot-cola-social
File name:27072023-kredi Karti Hesap Özeti- 45080519.pdf.exe
Download: download sample
Signature AgentTesla
File size:726'016 bytes
First seen:2023-07-27 06:51:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:IiwQrhS2iNtOFcJIys/QqWMXzJEorJoAxBwUaJCdev8etimIfaXq4N/AWoHskH:dwQrhS1Ss5qFdXrqdUKyotaWoMU
Threatray 5'307 similar samples on MalwareBazaar
TLSH T12EF4F090B2B95B6AD53BE3FA1665A61003F7ADAF662DF3194DC530DF2165F000A00FA7
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 abuse_ch
Tags:AgentTesla exe geo TUR


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.busramakina.com.tr:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
268
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
27072023-kredi Karti Hesap Özeti- 45080519.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-07-27 06:55:01 UTC
Tags:
agenttesla stealer

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
DNS 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
Creating a process from a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Gathering data
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
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
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1280884 Sample: 27072023-kredi_Karti_Hesap_... Startdate: 27/07/2023 Architecture: WINDOWS Score: 100 74 Snort IDS alert for network traffic 2->74 76 Antivirus / Scanner detection for submitted sample 2->76 78 Sigma detected: Scheduled temp file as task from temp location 2->78 80 6 other signatures 2->80 7 27072023-kredi_Karti_Hesap_#U00d6zeti-_45080519.pdf.exe 7 2->7         started        11 WJEdqXEo.exe 5 2->11         started        13 plQRn125.exe 5 2->13         started        15 plQRn125.exe 2->15         started        process3 file4 52 C:\Users\user\AppData\Roaming\WJEdqXEo.exe, PE32 7->52 dropped 54 C:\Users\...\WJEdqXEo.exe:Zone.Identifier, ASCII 7->54 dropped 56 C:\Users\user\AppData\Local\...\tmp7043.tmp, XML 7->56 dropped 58 27072023-kredi_Kar...5080519.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 27072023-kredi_Karti_Hesap_#U00d6zeti-_45080519.pdf.exe 17 5 7->17         started        22 powershell.exe 21 7->22         started        24 schtasks.exe 1 7->24         started        98 Antivirus detection for dropped file 11->98 100 Multi AV Scanner detection for dropped file 11->100 102 Machine Learning detection for dropped file 11->102 26 WJEdqXEo.exe 11->26         started        28 schtasks.exe 11->28         started        104 Injects a PE file into a foreign processes 13->104 30 plQRn125.exe 13->30         started        32 schtasks.exe 13->32         started        34 plQRn125.exe 15->34         started        36 schtasks.exe 15->36         started        signatures5 process6 dnsIp7 60 busramakina.com.tr 188.132.228.147, 49691, 49692, 49699 PREMIERDC-VERI-MERKEZI-ANONIM-SIRKETIPREMIERDC-SHTR Turkey 17->60 62 api4.ipify.org 104.237.62.211, 443, 49690 WEBNXUS United States 17->62 68 2 other IPs or domains 17->68 48 C:\Users\user\AppData\...\plQRn125.exe, PE32 17->48 dropped 50 C:\Users\...\plQRn125.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        64 64.185.227.156, 443, 49696, 49697 WEBNXUS United States 26->64 70 3 other IPs or domains 26->70 42 conhost.exe 28->42         started        66 api.ipify.org 30->66 44 conhost.exe 32->44         started        72 2 other IPs or domains 34->72 88 Tries to harvest and steal browser information (history, passwords, etc) 34->88 46 conhost.exe 36->46         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-07-27 06:52:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
collection persistence spyware stealer
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
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
Unpacked files
SH256 hash:
3f68cc843eb3b2a764dc02355e2e3f97dce8f1164d6f18a4f77e850410dfc137
MD5 hash:
60126f10641986bbcefca9ed6159994b
SHA1 hash:
df584155d49b10805f1f0d81a758e98b23990815
SH256 hash:
292f2774b0ca31c3f5ca0d05be990e1f55e4d612dc6baebe05c17162b9c812e7
MD5 hash:
b8690307767b2d297f84f948352e52ec
SHA1 hash:
a1ed62846c08558e6596cd2fad3c5ea85903a0c0
SH256 hash:
a0b9aabe376fa88cd49144e9aa1cf8d915f5191f61334f72c648fe99c09d810d
MD5 hash:
d086ed782f92de43f8d02a60ad2d1dda
SHA1 hash:
0b4bf2e230c20d868f66f24b8b8fd4c5f67370cb
SH256 hash:
4b2e846795ea3a86dce12945d9ba6e029643647b92451c29f8b20b613008ca1e
MD5 hash:
29047d1334b1751429a8bc43243144bd
SHA1 hash:
e7cc5c1e6ed23e255beb182a366d40b2e642be38
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
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 4b2e846795ea3a86dce12945d9ba6e029643647b92451c29f8b20b613008ca1e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments