MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5cab0a179d83d27c7cddb804f83325d5c47825b09150dd80c1ec55033d25b74. 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: 8


Intelligence 8 IOCs YARA 6 File information Comments

SHA256 hash: a5cab0a179d83d27c7cddb804f83325d5c47825b09150dd80c1ec55033d25b74
SHA3-384 hash: 281c3fa1eacdc35eff4da65778ba936411a7037e37350e1f0036e77dd9df36fb79c40053806078c3af8ec5d2c13073b3
SHA1 hash: 96bb18f48b59294d37a7196997717ef4353f14a4
MD5 hash: 97cb8ea6cb97811e07cf485bf4187e2f
humanhash: sierra-west-asparagus-floor
File name:SecuriteInfo.com.Trojan.PackedNET.453.18315.12926
Download: download sample
Signature AgentTesla
File size:949'248 bytes
First seen:2020-11-04 13:02:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:ClqeCifXMyAVuske++/LFBVle1X1tks9dV:ClqZPyAMte+2LFq2s3V
Threatray 9 similar samples on MalwareBazaar
TLSH 09152302B31EE142D6AE2D7EC4B1008E97B9C387753FF39D968494DB27997952602BB0
Reporter SecuriteInfoCom
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
1
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
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
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Maps a DLL or memory area into another process
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: RegAsm connects to smtp port
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-11-04 10:14:21 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
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
Unpacked files
SH256 hash:
a5cab0a179d83d27c7cddb804f83325d5c47825b09150dd80c1ec55033d25b74
MD5 hash:
97cb8ea6cb97811e07cf485bf4187e2f
SHA1 hash:
96bb18f48b59294d37a7196997717ef4353f14a4
SH256 hash:
39235c6aacd510a8051d7e8986e3fc3a7d1be8980e53ab9b8c49cb5e4f2c9bb2
MD5 hash:
304065ef8c6f0ae59e1b3f8b474aa735
SHA1 hash:
ab6df8656e79b8d113ed5ece43f4a3e2b998fdde
SH256 hash:
82e4dc702a9b4cd2c888e8f4b7184113ba1ff81a7a2454c1774ab7116c101759
MD5 hash:
0535f8e1dd1f937bcde1571d9e77bac7
SHA1 hash:
e9a4ea7c8317cc85ab0020d9fc2a048dd1f13e77
Detections:
win_agent_tesla_w1
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:AgentTesla_extracted_bin
Author:James_inthe_box
Description:AgentTesla extracted
Rule name:AgentTesla_mod_tough_bin
Author:James_inthe_box
Reference:https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla
Rule name:win_agent_tesla_w1
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information


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

Web download

AgentTesla

Executable exe a5cab0a179d83d27c7cddb804f83325d5c47825b09150dd80c1ec55033d25b74

(this sample)

  
Delivery method
Distributed via web download

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