MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3917a8553293b76aedcdae977703ef047ddd3f1df1e872deae250fd1146106f2. 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 7 File information Comments

SHA256 hash: 3917a8553293b76aedcdae977703ef047ddd3f1df1e872deae250fd1146106f2
SHA3-384 hash: e1b14bccd15980d8050569775aa7697b82ca0d7c555ad68f1df42b8bcd9c217d45d7ee8c3903de9c09798ba63f5f627b
SHA1 hash: c0553197a7c67671134fc77e547f79cb2a9180c3
MD5 hash: ca32fb5d6947ceaeb97f7c2995b1b0c1
humanhash: pip-massachusetts-earth-steak
File name:New Email Added and Messages Alert.exe
Download: download sample
Signature AgentTesla
File size:1'413'632 bytes
First seen:2021-08-19 05:08:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:zWLQyR7pKSssLrwfsekWec58Hb1Tpfs89UrmMnfk/iQ2+S0d:zGR7p+qrw0NLHb1TJsaU9fk/Pj
Threatray 8'576 similar samples on MalwareBazaar
TLSH T15D656B3D29B82627D07AD775CBE18817B594A8AF7511EDA8A8D343660303F8775C323E
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
118
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New Email Added and Messages Alert.exe
Verdict:
Malicious activity
Analysis date:
2021-08-19 05:10:08 UTC
Tags:
n/a

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
Sending a UDP request
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
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
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 very large array initializations
Found malware configuration
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)
Sigma detected: Suspicious Process Start Without DLL
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 467929 Sample: New Email Added and Message... Startdate: 19/08/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Multi AV Scanner detection for dropped file 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 8 other signatures 2->42 7 New Email Added and Messages Alert.exe 7 2->7         started        10 UpdateNotificationMgr.exe 2->10         started        process3 file4 24 C:\Users\user\AppData\Roaming\CYbLhFws.exe, PE32 7->24 dropped 26 C:\Users\...\CYbLhFws.exe:Zone.Identifier, ASCII 7->26 dropped 28 C:\Users\user\AppData\Local\Temp\tmp17B.tmp, XML 7->28 dropped 30 New Email Added an...sages Alert.exe.log, ASCII 7->30 dropped 12 RegSvcs.exe 15 2 7->12         started        16 RegSvcs.exe 7->16         started        18 schtasks.exe 1 7->18         started        20 RegSvcs.exe 7->20         started        process5 dnsIp6 32 us-east-1.route-1000.000webhost.awex.io 145.14.144.54, 21, 49715 AWEXUS Netherlands 12->32 34 files.000webhost.com 12->34 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->44 46 Tries to steal Mail credentials (via file access) 12->46 48 Tries to harvest and steal ftp login credentials 12->48 50 Tries to harvest and steal browser information (history, passwords, etc) 12->50 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->52 54 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 16->54 22 conhost.exe 18->22         started        signatures7 process8
Threat name:
Win32.Trojan.Sabsik
Status:
Malicious
First seen:
2021-08-19 04:43:46 UTC
AV detection:
10 of 46 (21.74%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61
MD5 hash:
03bde4a82ad64c0f314985232fbca3fa
SHA1 hash:
e8d0b6339e94192eaaca32c812f914e60576dca6
SH256 hash:
777806973c3129ccf8322b356a560423d5c733a5fae4be985bf5ce716b3b2255
MD5 hash:
1c3745bc16f7d2b5158bf5735193c3cd
SHA1 hash:
d2022c11563032135217de6cef146eac3e46e2da
SH256 hash:
e8396f348412b5eb3fc82c74048e60b1a00c64d838af1b6c2a6c4d7431cf28d9
MD5 hash:
c3c63617977553b674eb068673c143a1
SHA1 hash:
8b29361ea3b4e535c0ebac5c6b5005e4267b0870
SH256 hash:
3917a8553293b76aedcdae977703ef047ddd3f1df1e872deae250fd1146106f2
MD5 hash:
ca32fb5d6947ceaeb97f7c2995b1b0c1
SHA1 hash:
c0553197a7c67671134fc77e547f79cb2a9180c3
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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.

Malspam

AgentTesla

Executable exe 3917a8553293b76aedcdae977703ef047ddd3f1df1e872deae250fd1146106f2

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments