MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 70e55061f4e965a512c042bc1541f3d4e5a910a493ffb63d5a123f9c82a94f70. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 70e55061f4e965a512c042bc1541f3d4e5a910a493ffb63d5a123f9c82a94f70
SHA3-384 hash: 654819dca1d163c53b295f35b2bb794d91868717d94acbf7d50c1be6f65906dbfe63911879ec98b6ab543568b61b1841
SHA1 hash: fa0f8900ea0052142e0f73ece69cebbc87e691db
MD5 hash: 1e048dcc78f6887525eeec0e1c2b6023
humanhash: lima-hotel-carbon-zulu
File name:wikfyfxYNvAzYhV.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:654'848 bytes
First seen:2020-08-19 07:19:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:I4DF5q8fM1aTUBOjbDmC8kUlFmJNr+ceqcQw6uY722nbJRpoL38:ZD7c1/MjbDmC4/qNKcwQf71R2Ls
Threatray 10'523 similar samples on MalwareBazaar
TLSH 1DD4F13232A0DB14D27E53368D99604113FAB907B612DBAEBDDC234D4911BA74B337DA
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: zero06.nayana.kr
Sending IP: 218.145.71.174
From: Victor Russell <manoj@msvfabrics.in>
Subject: Request for quotation for Atlantic UK please treat this as urgent
Attachment: Atl RFQ .Gz (contains "wikfyfxYNvAzYhV.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/48256/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.43686196.30084.19709.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/436739
Signature
.NET source code contains potential unpacker
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/70e55061f4e965a512c042bc1541f3d4e5a910a493ffb63d5a123f9c82a94f70/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-18 09:11:06 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=odsvaypu5fs2kewaik6bkqpt2ts2sefesp73mpk2ci7zzavjj5ya._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
294cf2895407982e76f245557284a2c6eec761afd0d00d79dd30564a87a9bac0
AgentTesla
48121008f4385f134c6153239380cc63abd4275c401ab0f394ee63c74cdd7a14
AgentTesla
5568021e42a81a2755fd6d968efa50b13f99a9997d8973097231079de84832ad
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7e393bcd518415ad70e7a6924c8798391400554fce9c2a639a891dcda4f8e230
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916af86a5bfa7f558b376344b9aaf6e4440d21f2b38da0bb9fd60b1d4a578809
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adbdc4cbb6b8805700fcfd618e763872f6960f5989a62c9cdffc961d9b0f3e39
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af7aa3b76b8d11ba1d518006e2b4ea6d574573bd2bba6594a57825e33f9ed87c
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b762913bb02e0e7f3b2dd7be4b813923fbb0389e699d2b6f846bfecad6c8c72a
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b81898c8e22774e33768ab962a3acca0c718197c2b4434f3ae51761569bd7ccb
AgentTesla
cadf2a43d7f85a109aed5177e99951fba7031621fa470af37a58f283b0edc886
AgentTesla
+ 10'513 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200819-5c3acaft56/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/70e55061f4e965a512c042bc1541f3d4e5a910a493ffb63d5a123f9c82a94f70

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_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_g2
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>
Rule name:win_agent_tesla_w1
Create hunting rule
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

gz 36973a03e29c181755be37b93ace8aa6307158ea4ea85577704b141390238766

AgentTesla

Executable exe 70e55061f4e965a512c042bc1541f3d4e5a910a493ffb63d5a123f9c82a94f70

(this sample)

  
Dropped by
MD5 91788f55c7aaa67f138e032b69a1905b
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 36973a03e29c181755be37b93ace8aa6307158ea4ea85577704b141390238766
Cape
Cape
https://www.capesandbox.com/analysis/48256/

Comments