MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ab937136233e7a95aa91aeb947f457a0e3c53ac0369d4aacbeca83ace216dde. 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: 12


Intelligence 12 IOCs YARA 8 File information Comments

SHA256 hash: 8ab937136233e7a95aa91aeb947f457a0e3c53ac0369d4aacbeca83ace216dde
SHA3-384 hash: c29f326d94f35ff667a7a8942b92cd4324b445596c26ff30a24c30cd713ed8311a201324e045f0ca50f5b6f0f4507db2
SHA1 hash: a789e1c7b68634e7cb1a95186d924b77a06ea1d5
MD5 hash: ec05e000add59408a09384895812d45e
humanhash: arizona-summer-tango-utah
File name:invoice.pdf.z.exe
Download: download sample
Signature AgentTesla
File size:768'000 bytes
First seen:2021-08-23 18:21:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:S0WX4kNkxUPgd+X2QQGJTrqogXLK46Q+kr9y5ZhVV/te5L10CVZKm+1:FWIkNkDGQqOG46Q
Threatray 8'792 similar samples on MalwareBazaar
TLSH T1EAF438483790B09FD423C9338B574C30A6616CA7979BD303D053F2ADA97D2B6DF185AA
dhash icon 1d19094a5b2f371e (26 x AgentTesla, 4 x NanoCore, 4 x DarkCloud)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
341
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
invoice.pdf.z.exe
Verdict:
Malicious activity
Analysis date:
2021-08-23 18:27:01 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
DNS request
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
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
.NET source code contains very large array initializations
Found malware configuration
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
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-23 16:58:58 UTC
AV detection:
15 of 28 (53.57%)
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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Contains code to disable Windows Defender
Unpacked files
SH256 hash:
c362729899c5956cfa9fc3bcf9b21ac72066a1b84a497ceb1281f76e2f55c54b
MD5 hash:
0327d1374a5ce015ad9c83c5de76e823
SHA1 hash:
e521349d9e96a4191248747c42c78b6f88fc8f63
SH256 hash:
fdd2b30d78d0e36c09d6cfd1e859a8d7fea9124da29dc13457fdbf7d3354da06
MD5 hash:
0a53b5673a0d312a8089ea7933764197
SHA1 hash:
8b48154497962d9560ca350aa386bdc77eb9f4e5
SH256 hash:
95a9b7af4f9b968e3214679f8f86791c185a9b6244956e532ec03d144f0b6cbd
MD5 hash:
31618b2e7f32215ff0d98d73b3ba7e67
SHA1 hash:
82cb397cac3c12b9a1902e30798ac971b6beb863
SH256 hash:
8ab937136233e7a95aa91aeb947f457a0e3c53ac0369d4aacbeca83ace216dde
MD5 hash:
ec05e000add59408a09384895812d45e
SHA1 hash:
a789e1c7b68634e7cb1a95186d924b77a06ea1d5
Malware family:
Agent Tesla v3
Verdict:
Malicious
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
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: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 8ab937136233e7a95aa91aeb947f457a0e3c53ac0369d4aacbeca83ace216dde

(this sample)

  
Delivery method
Distributed via e-mail attachment

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