MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20301bf0496573999546b8da6dcc63806bef8426b4f28a43204630cce8ec6111. 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: 5


Intelligence 5 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 20301bf0496573999546b8da6dcc63806bef8426b4f28a43204630cce8ec6111
SHA3-384 hash: da79e75789830df06102b479e2d724fb9a131be2bf4f3999bcf68df4711920e2d5207236c143ede6af7f910aa8157877
SHA1 hash: 7c12fbeee64d22d8f93667066c5995881e88c52d
MD5 hash: 84ae64d85e090ff7ba16671175c1809e
humanhash: eleven-whiskey-oven-video
File name:PurchaseOrder-0058291.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:577'536 bytes
First seen:2020-10-21 09:48:26 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 12288:7xVm8J4jROZU+wwckbsERRBpdnx2IRNiXOccP1XXZ3ZxApW0:+8J4oU+w2IEVM8IOHRZxAw0
TLSH FDC4F1312758AF21E4BE933B94A4150413F9FA0AE733C45DBCFA209D5A67F958173B12
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.genoeven.cf
Sending IP: 5.8.93.119
From: Jones Ukelas<admin@genoeven.cf>
Subject: Re: Re: Order Inquiry
Attachment: PurchaseOrder-0058291.exe

AgentTesla SMTP exfil server:
mail.monicho.co.zw:587

AgentTesla SMTP exfil email address:
dshoniwa@monicho.co.zw

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/73947/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Using the Windows Management Instrumentation requests
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/505541
Signature
.NET source code contains very large array initializations
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 dropped file
Machine Learning detection for sample
May check the online IP address of the machine
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)
Queries sensitive video device information (via WMI, Win32_VideoController, 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 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: 301817 Sample: PurchaseOrder-0058291.exe Startdate: 21/10/2020 Architecture: WINDOWS Score: 100 45 Multi AV Scanner detection for dropped file 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected AgentTesla 2->49 51 10 other signatures 2->51 6 PurchaseOrder-0058291.exe 3 2->6         started        10 Windows Update.exe 2 2->10         started        12 Windows Update.exe 3 2->12         started        process3 file4 25 C:\Users\...\PurchaseOrder-0058291.exe.log, ASCII 6->25 dropped 53 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 6->53 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->55 57 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->57 59 Injects a PE file into a foreign processes 6->59 14 PurchaseOrder-0058291.exe 17 5 6->14         started        19 Windows Update.exe 10->19         started        21 Windows Update.exe 10->21         started        23 Windows Update.exe 2 12->23         started        signatures5 process6 dnsIp7 31 elb097307-934924932.us-east-1.elb.amazonaws.com 50.19.252.36, 443, 49749 AMAZON-AESUS United States 14->31 33 nagano-19599.herokussl.com 14->33 35 api.ipify.org 14->35 27 C:\Users\user\AppData\...\Windows Update.exe, PE32 14->27 dropped 29 C:\...\Windows Update.exe:Zone.Identifier, ASCII 14->29 dropped 37 Tries to steal Mail credentials (via file access) 14->37 39 Tries to harvest and steal browser information (history, passwords, etc) 14->39 41 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->41 43 Installs a global keyboard hook 14->43 file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/20301bf0496573999546b8da6dcc63806bef8426b4f28a43204630cce8ec6111/
Threat name:
ByteCode-MSIL.Trojan.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-10-21 03:54:19 UTC
AV detection:
25 of 27 (92.59%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=eaybx4cjmvzztfkgxdng3tddqbv67bbgwtziuqzaiyymz2hmmeiq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
evasion persistence
Link:
https://tria.ge/reports/201021-czlvbjdns6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Unpacked files
SH256 hash:
f684ccac60916555d8cf14b766c3cd04cbd270bb479556f1807fe4faaa01f5ae
MD5 hash:
a779fa5f799bd6efbcfd5794118ad1f0
SHA1 hash:
0c2cebb8bb4b887d71787569536e26787b8c5b0b
Link:
https://www.unpac.me/results/777ae8ee-6bfb-41c6-aa75-ea958e7615ff/
SH256 hash:
dbe794944dc271e59baa93b28d5d8260a4eb6a324d5bdf357e252175b7390333
MD5 hash:
135da4d5115530701230be80223b3d9e
SHA1 hash:
5158bf894df1b563cef0ae8adcd02f9ddb13220e
Link:
https://www.unpac.me/results/777ae8ee-6bfb-41c6-aa75-ea958e7615ff/
SH256 hash:
bc940d5d4cf01e60f6ed6d62466617e276d1067d6cceb7c40622f27a352ccba8
MD5 hash:
374837846617cebf2a081b5ba46be573
SHA1 hash:
c4a6e6dfa16312112139a9d32474b048e4e5a219
Link:
https://www.unpac.me/results/777ae8ee-6bfb-41c6-aa75-ea958e7615ff/
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
Link:
https://www.unpac.me/results/777ae8ee-6bfb-41c6-aa75-ea958e7615ff/
SH256 hash:
20301bf0496573999546b8da6dcc63806bef8426b4f28a43204630cce8ec6111
MD5 hash:
84ae64d85e090ff7ba16671175c1809e
SHA1 hash:
7c12fbeee64d22d8f93667066c5995881e88c52d
Link:
https://www.unpac.me/results/777ae8ee-6bfb-41c6-aa75-ea958e7615ff/
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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Malspam

AgentTesla

Executable exe 20301bf0496573999546b8da6dcc63806bef8426b4f28a43204630cce8ec6111

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/73947/

Comments