MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1a28be0ff9f2b298582b8202d99c595e358297d8f6d8fc036d76138aceb1a08. 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: 9


Intelligence 9 IOCs YARA 9 File information Comments

SHA256 hash: c1a28be0ff9f2b298582b8202d99c595e358297d8f6d8fc036d76138aceb1a08
SHA3-384 hash: eb405ba5566caf46168a181e20bfaf80cd820ed879e80dd82fe4815202697bce8dcb0c3aca942280b3fa9e9a4d9214c7
SHA1 hash: 4c8acd518e49542cbb25adea3842c9d92f61e025
MD5 hash: ef5de5ec3495a9711e39854404664cd7
humanhash: jig-lithium-fanta-victor
File name:Quotation BID for CIMAP TRADING & CO Dubai.exe
Download: download sample
Signature AgentTesla
File size:819'200 bytes
First seen:2020-12-17 09:10:17 UTC
Last seen:2020-12-17 10:29:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:MRxarmh4ok1holB3o5h6yoNSkf5QhPB26PqOu3DVh2p1TdLo/Ti3TK6LRg/yKD9I:46mdkLov8dkBc/Pr1p19gsTPLeqG8y6
Threatray 9'576 similar samples on MalwareBazaar
TLSH D8052229725D8733C6AF47FCA82201014B72A173B682F38D9FDCA4EA1D3B7A08D55597
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: dns6.excess.com.mx
Sending IP: 51.15.27.91
From: Serkan Gunal <Serkangunal@cimap.fr>
Reply-To: Serkan Gunal <nurdan.ozirneks@gmail.com>
Subject: Quotation BID for CIMAP TRADING & CO Dubai
Attachment: Quotation BID for CIMAP TRADING CO Dubai.7z__.rar (contains "Quotation BID for CIMAP TRADING & CO Dubai.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
290
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Reading critical registry keys
Stealing user critical data
Enabling autorun by creating a file
Result
Gathering data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
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)
Sigma detected: Scheduled temp file as task from temp location
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 AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-12-17 08:33:03 UTC
AV detection:
23 of 28 (82.14%)
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
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
Unpacked files
SH256 hash:
c1a28be0ff9f2b298582b8202d99c595e358297d8f6d8fc036d76138aceb1a08
MD5 hash:
ef5de5ec3495a9711e39854404664cd7
SHA1 hash:
4c8acd518e49542cbb25adea3842c9d92f61e025
SH256 hash:
f8b105aeb86c6b390db9c0927c1ba8618274267a3aea264f5f49c3d5d90bee01
MD5 hash:
770bb524aeb0fd6cbfffaf31eb54fc5f
SHA1 hash:
64fb00826fb6a1b4e8167017841f505614d9f83b
SH256 hash:
bf03453f0ddbd648487ab192ccca80c9248c89821510c4f8c12cdc0631e76e56
MD5 hash:
8f2cd22666cf642764fa87cfe041fe5e
SHA1 hash:
ab9566bd6eb35d87694c1848890f54e6ddd3f149
Detections:
win_agent_tesla_w1
SH256 hash:
e83cef9cfa4e2ea30e28843e43c60ebf8f6590fb753ad0aa5ed1123c01280527
MD5 hash:
bf99ee5fbf42797bd1ade95b109d634c
SHA1 hash:
e02abfdbca94a24a36b47d49a28360b79aabd294
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:agent_tesla_2019
Author:jeFF0Falltrades
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:MALWARE_Win_AgentTeslaV2
Author:ditekshen
Description:AgenetTesla Type 2 Keylogger payload
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
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.

Malspam

AgentTesla

Executable exe c1a28be0ff9f2b298582b8202d99c595e358297d8f6d8fc036d76138aceb1a08

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments