MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 552a8d763c86bb50ded18cf8f790f18828c471ec5a4d3cac71eaf7693314a04c. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments

SHA256 hash: 552a8d763c86bb50ded18cf8f790f18828c471ec5a4d3cac71eaf7693314a04c
SHA3-384 hash: 5457423be51cf8b8bdf66f58eddac49ea8044dac505b0eebc43dce88e4729c813eab08d5e36564d8bbe919f8d452fd77
SHA1 hash: fdb44b36f8c31a60a47db4f4ce6d4975367d7a7c
MD5 hash: d6b29add344d2284845f133b8505126e
humanhash: stream-ink-winner-solar
File name:d6b29add344d2284845f133b8505126e.exe
Download: download sample
Signature AgentTesla
File size:46'592 bytes
First seen:2021-04-08 08:17:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 768:67mDHfLLLkF0FenHiwAGflA7qOSn8bQ1xHWBnBeladzvRwyx0klmJc7z6GkZCcoz:7/ngF0m/87qOSn8bQ1xHWBnBeladzvRj
Threatray 16 similar samples on MalwareBazaar
TLSH 542353D5F2C6D8B1D4ACF1715A8AFD7083B91826F007517C504EF4EA58A7FA82BC189A
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
130
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d6b29add344d2284845f133b8505126e.exe
Verdict:
Malicious activity
Analysis date:
2021-04-08 08:38:09 UTC
Tags:
trojan

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Creating a process with a hidden window
Creating a window
Running batch commands
Sending a UDP request
Unauthorized injection to a recently created process
Adding an access-denied ACE
Using the Windows Management Instrumentation requests
Sending a TCP request to an infection source
Setting a single autorun event
Sending an HTTP GET request to an infection source
Adding exclusions to Windows Defender
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.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Changes security center settings (notifications, updates, antivirus, firewall)
Drops PE files with benign system names
Found malware configuration
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to delay execution (extensive OutputDebugStringW loop)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 383942 Sample: qINcOlwRud.exe Startdate: 08/04/2021 Architecture: WINDOWS Score: 100 62 smtp.yandex.ru 2->62 64 smtp.yandex.com 2->64 70 Found malware configuration 2->70 72 Multi AV Scanner detection for dropped file 2->72 74 Multi AV Scanner detection for submitted file 2->74 76 5 other signatures 2->76 8 qINcOlwRud.exe 18 7 2->8         started        13 svchost.exe 2->13         started        15 svchost.exe 2->15         started        17 7 other processes 2->17 signatures3 process4 dnsIp5 66 myliverpoolnews.cf 104.21.56.119, 443, 49682, 49683 CLOUDFLARENETUS United States 8->66 58 C:\Program Files\Common Files\...\svchost.exe, PE32 8->58 dropped 60 C:\...\svchost.exe:Zone.Identifier, ASCII 8->60 dropped 78 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->78 80 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->80 82 Adds a directory exclusion to Windows Defender 8->82 88 2 other signatures 8->88 19 WerFault.exe 8->19         started        22 cmd.exe 1 8->22         started        24 powershell.exe 17 8->24         started        32 3 other processes 8->32 84 Hides threads from debuggers 13->84 26 cmd.exe 13->26         started        28 powershell.exe 13->28         started        30 powershell.exe 13->30         started        34 2 other processes 13->34 36 3 other processes 15->36 68 127.0.0.1 unknown unknown 17->68 86 Changes security center settings (notifications, updates, antivirus, firewall) 17->86 file6 signatures7 process8 file9 56 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 19->56 dropped 50 2 other processes 22->50 38 conhost.exe 24->38         started        52 2 other processes 26->52 40 conhost.exe 28->40         started        42 conhost.exe 30->42         started        44 conhost.exe 32->44         started        46 conhost.exe 32->46         started        48 conhost.exe 34->48         started        54 3 other processes 36->54 process10
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Status:
Malicious
First seen:
2021-04-08 08:18:06 UTC
AV detection:
13 of 48 (27.08%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence spyware stealer trojan
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Windows security modification
Reads data files stored by FTP clients
AgentTesla Payload
AgentTesla
Windows security bypass
Unpacked files
SH256 hash:
552a8d763c86bb50ded18cf8f790f18828c471ec5a4d3cac71eaf7693314a04c
MD5 hash:
d6b29add344d2284845f133b8505126e
SHA1 hash:
fdb44b36f8c31a60a47db4f4ce6d4975367d7a7c
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Web download

AgentTesla

Executable exe 552a8d763c86bb50ded18cf8f790f18828c471ec5a4d3cac71eaf7693314a04c

(this sample)

  
Delivery method
Distributed via web download

Comments