MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41efc16c24de6ee0b2ef7532958b5413796c18c87729b7c6114e371ab24e5bd0. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 41efc16c24de6ee0b2ef7532958b5413796c18c87729b7c6114e371ab24e5bd0
SHA3-384 hash: c74dc4428e3d5a9cbcbf96707bff8d050b68690d2796e5e4dfe050ed48583abea21a8ba9421e518677003e1d4b6a49b1
SHA1 hash: 451545a68de9a6beac9f266b1c6829ba4c5c730f
MD5 hash: 4681fc2065360f4f5bcddbf54d37a614
humanhash: lemon-fifteen-vegan-angel
File name:DHL DOC.PDF...........................exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:618'496 bytes
First seen:2020-08-14 09:09:15 UTC
Last seen:2020-08-14 09:42:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:ar5pCwC8HxLfKTzpA/SVh6wNNwo8ujDSTDODWKv:aVDC8Hxja+66e8EDkOf
Threatray 9'967 similar samples on MalwareBazaar
TLSH D3D4CF312A5C9F76E03DA77C4224214003F3A526D733EE89FEF186994E51FE1867AB16
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: ressua.xyz
Sending IP: 134.122.24.207
From: DHL EXPRESS <office@ressua.xyz>
Subject: DHL SHIPMENT NOTIFICATION
Attachment: DHL DOC.PDF.r00 (contains "DHL DOC.PDF...........................exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/45688/
Detection(s):
SecuriteInfo.com.Generic.HEUR.QVM03.0.3AEF.Malware.Gen.1033.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/429135
Signature
.NET source code contains potential unpacker
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
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)
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:
n/a
Link:
https://mwdb.cert.pl/sample/41efc16c24de6ee0b2ef7532958b5413796c18c87729b7c6114e371ab24e5bd0/
Threat name:
ByteCode-MSIL.Trojan.LokiSteal
Create hunting rule
Status:
Malicious
First seen:
2020-08-14 09:11:04 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ihx4c3be3zxobmxpouzjlc2ucn4wyggio4u3prqrjy3rvmsolpia._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
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375426a8a107b6dffc4876f9aa54782cee5f767dba75fee84084490deb399b46
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6ef9a4ba3c11768927a6c30605c75cfcb534d7fc013aaf429c51d83bf06750e7
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85f9c52380c96ddf3aa66361640a6a6232a182d5d4437de8a3585fa0d216ebc4
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894460163492923a4a19c16f1b31698bbfe8431fea36d3bef84c031f30069c4f
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bc7d100965bf9a04f7df2820725b9d3c23621f272b3cface8f78d0142d187493
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be9da86b3a3bd869cd4e29b1a54e0be7d49bdf250db4561060be80f6086d2e0b
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dd73e7c8d4f3014acf00b5e917cb126e4a25389d30c77549c67d9a20858baad0
AgentTesla
+ 9'957 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/200814-cgbtpgv1mn/
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/41efc16c24de6ee0b2ef7532958b5413796c18c87729b7c6114e371ab24e5bd0

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_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

r00 e64531c509b5c12f4771c03dbf075dd80eece03c1508daecaf8e38bfae08864b

AgentTesla

Executable exe 41efc16c24de6ee0b2ef7532958b5413796c18c87729b7c6114e371ab24e5bd0

(this sample)

  
Dropped by
MD5 fdb9a9b355e54d2f7b8a8bb98baf2950
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 e64531c509b5c12f4771c03dbf075dd80eece03c1508daecaf8e38bfae08864b
Cape
Cape
https://www.capesandbox.com/analysis/45688/

Comments