MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 073eae12581d9a39dd51d0669465ceb20309a4de8f61866b0df6d449db6996a7. 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: 073eae12581d9a39dd51d0669465ceb20309a4de8f61866b0df6d449db6996a7
SHA3-384 hash: 27478bb9c60f2e5a8a7a887510364cad5afbee413acdf775245f3953522332136c16f55c537fb1d7c6ac10867af391f7
SHA1 hash: e33d7f18454591e7eefa67ca20a52a26c0975718
MD5 hash: 211bfb6d1652b84b74bd964c410883ec
humanhash: india-quiet-kitten-uncle
File name:tlNoFXoObJ2gr4u.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:621'568 bytes
First seen:2020-08-06 07:57:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:FCyNnKOV4KmEJZlM12X6ae31lmGZjTuIQGVyc57s9DuVRsBTj/C+rgM8RHdWslwK:FPV5rHlmFlm7IQ7coS9H/beX2nb7XL
Threatray 10'677 similar samples on MalwareBazaar
TLSH 55D4E0043BC55903C3398F7B496501208AB5EE6E6D22E2872FC9329F597EBFC0951AD7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: hshgroups.co
Sending IP: 104.168.166.26
From: Joyce Lee<sxdfzc@hotmail.com>
Subject: FIRST ORDER FROM SEAWAY CHINA TRADING
Attachment: Official PO.ARJ (contains "tlNoFXoObJ2gr4u.exe")

AgentTesla SMTP exfil server:
mail.sardaplywood.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/40357/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Moving of the original file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/412575
Signature
Creates executable files without a name
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Moves itself to temp directory
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
behaviorgraph top1 signatures2 2 Behavior Graph ID: 258553 Sample: tlNoFXoObJ2gr4u.exe Startdate: 06/08/2020 Architecture: WINDOWS Score: 100 49 Found malware configuration 2->49 51 Yara detected AgentTesla 2->51 53 Yara detected AntiVM_3 2->53 55 2 other signatures 2->55 6 tlNoFXoObJ2gr4u.exe 3 2->6         started        10 .exe 2 2->10         started        12 .exe 3 2->12         started        process3 file4 25 C:\Users\user\...\tlNoFXoObJ2gr4u.exe.log, ASCII 6->25 dropped 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->57 59 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->59 61 Injects a PE file into a foreign processes 6->61 14 tlNoFXoObJ2gr4u.exe 2 4 6->14         started        19 .exe 2 10->19         started        63 Machine Learning detection for dropped file 12->63 21 .exe 2 12->21         started        23 .exe 12->23         started        signatures5 process6 dnsIp7 31 mail.sardaplywood.com 72.52.178.59, 49725, 49733, 587 LIQUIDWEBUS United States 14->31 33 192.168.2.1 unknown unknown 14->33 27 C:\Users\user\AppData\Roaming\.exe, PE32 14->27 dropped 29 C:\Users\user\...\.exe:Zone.Identifier, ASCII 14->29 dropped 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->35 37 Moves itself to temp directory 14->37 39 Tries to steal Mail credentials (via file access) 14->39 47 2 other signatures 14->47 41 Tries to harvest and steal ftp login credentials 19->41 43 Tries to harvest and steal browser information (history, passwords, etc) 19->43 45 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->45 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/073eae12581d9a39dd51d0669465ceb20309a4de8f61866b0df6d449db6996a7/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-08-06 07:59:11 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=a47k4esydwndtxkr2btjizoowibqtjg6r5qym2yn63ketw3js2tq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'667 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200806-61hm46wed6/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious behavior: RenamesItself
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
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/073eae12581d9a39dd51d0669465ceb20309a4de8f61866b0df6d449db6996a7

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

arj 97ece1c5994701a9837030f6a356fdc5e17845731b8aae2783e5b1ea02e3456d

AgentTesla

Executable exe 073eae12581d9a39dd51d0669465ceb20309a4de8f61866b0df6d449db6996a7

(this sample)

  
Dropped by
MD5 e79b7d2cd29d18353004a32a70bbb0d0
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/40357/
  
Dropped by
SHA256 97ece1c5994701a9837030f6a356fdc5e17845731b8aae2783e5b1ea02e3456d

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