MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f473ac0704e2a9083c308f5f016f05682e69ba1a201b493d65a5a7bb09538405. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f473ac0704e2a9083c308f5f016f05682e69ba1a201b493d65a5a7bb09538405
SHA3-384 hash: 7b6a997cffbf0ac385668bf96e002f204f4615f7312b04b6b309f6271a3a8e87820218b368e0ef75ff72d961a5162aa1
SHA1 hash: be6bd169ab9a43a584629d5681c990efe1fcfbb3
MD5 hash: 25a484b616908f764422feafbbc401d9
humanhash: johnny-three-oscar-april
File name:PO16388.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:984'064 bytes
First seen:2021-01-15 07:20:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:TYfFwBLnP4a4Kry6ZvwHFR0rDQaElE9Yt9gusNqdxtw:TYfFwJPR4Kry6hULnllzt9g5c6
Threatray 5 similar samples on MalwareBazaar
TLSH F225AF7C277BBE8CC1791AB60DE1592707623D0624F8D61E0CDA7ECA0575B402DA9EB3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: localserver.localdomain
Sending IP: 49.239.156.11
From: Michelle Liu<michelle.liu@me.net>
Subject: Re: Purchase Order Request
Attachment: PO16388.zip (contains "PO16388.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
162
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO16388.exe
Verdict:
Malicious activity
Analysis date:
2021-01-15 07:44:51 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/77b922b0-530b-4698-a886-71fa41f5f13b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/112196/
Detection(s):
SecuriteInfo.com.Trojan.Siggen11.57608.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/582226
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
Contains functionality to register a low level keyboard hook
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
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)
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 340150 Sample: PO16388.exe Startdate: 15/01/2021 Architecture: WINDOWS Score: 100 63 g.msn.com 2->63 77 Found malware configuration 2->77 79 Multi AV Scanner detection for dropped file 2->79 81 Sigma detected: Scheduled temp file as task from temp location 2->81 83 9 other signatures 2->83 8 PO16388.exe 6 2->8         started        12 wAyLNJ.exe 5 2->12         started        14 wAyLNJ.exe 2->14         started        signatures3 process4 file5 43 C:\Users\user\AppData\Roaming\oJXSaH.exe, PE32 8->43 dropped 45 C:\Users\user\AppData\Local\...\tmpB6AC.tmp, XML 8->45 dropped 47 C:\Users\user\AppData\...\PO16388.exe.log, ASCII 8->47 dropped 85 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->85 87 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->87 16 PO16388.exe 17 5 8->16         started        21 schtasks.exe 1 8->21         started        89 Multi AV Scanner detection for dropped file 12->89 91 Contains functionality to register a low level keyboard hook 12->91 23 wAyLNJ.exe 14 2 12->23         started        25 schtasks.exe 1 12->25         started        27 wAyLNJ.exe 12->27         started        29 wAyLNJ.exe 14->29         started        31 schtasks.exe 14->31         started        signatures6 process7 dnsIp8 49 smtpauth.earthlink.net 207.69.189.206, 49740, 49753, 587 WINDSTREAMUS United States 16->49 51 elb097307-934924932.us-east-1.elb.amazonaws.com 23.21.140.41, 443, 49737 AMAZON-AESUS United States 16->51 57 2 other IPs or domains 16->57 39 C:\Users\user\AppData\Roaming\...\wAyLNJ.exe, PE32 16->39 dropped 41 C:\Users\user\...\wAyLNJ.exe:Zone.Identifier, ASCII 16->41 dropped 65 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->65 67 Tries to steal Mail credentials (via file access) 16->67 69 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->69 33 conhost.exe 21->33         started        53 207.69.189.210, 49754, 587 WINDSTREAMUS United States 23->53 59 3 other IPs or domains 23->59 35 conhost.exe 25->35         started        55 50.19.252.36, 443, 49741 AMAZON-AESUS United States 29->55 61 2 other IPs or domains 29->61 71 Tries to harvest and steal ftp login credentials 29->71 73 Tries to harvest and steal browser information (history, passwords, etc) 29->73 75 Installs a global keyboard hook 29->75 37 conhost.exe 31->37         started        file9 signatures10 process11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f473ac0704e2a9083c308f5f016f05682e69ba1a201b493d65a5a7bb09538405/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-01-15 07:21:28 UTC
AV detection:
11 of 46 (23.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6rz2ybye4kuqqpbqr5pqc3yfnaxgtoq2eanusplfuwt3wcktqqcq._file
Verdict:
unknown
Similar samples:
2dc1258101b1183ad4e08320f15310cad541c900919e98e0816c751fee303306
AgentTesla
6f6a4ba365d2b3086b4c7c98d45e7216ac000bce60094e92023868b11750f4b1
AgentTesla
8f74c5871c33b4bf63b43f3e7e216dae1cc92e79cd0035422c8eb6768b98dc06
AgentTesla
a7ada9eefa9c775d0215af6bc497e305f8067290f5e9642e582c6d4c3ec65756
AgentTesla
f58cdcc753abc5e59a1d6367b421517b89992a43b41b9bccdb277ef69de4d6b0
AgentTesla
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence
Link:
https://tria.ge/reports/210115-4zcpgfwvpx/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Unpacked files
SH256 hash:
7723f68e9f033a1050038c41db57bddd38a0df24c0a53a39e4094f5406147474
MD5 hash:
884462b990f24954890ce3bb5152abe8
SHA1 hash:
a808d5070842135989d2be55ad9107e50bc4fe04
Link:
https://www.unpac.me/results/fa080712-e30d-4fa8-8f05-9af3443d53c1/
SH256 hash:
61fb486a6002d6ff8a5bace1006f5bf173d32d68cadae222253ed856caebe487
MD5 hash:
4d7817aad5f6564632b74f7b5d7917c2
SHA1 hash:
7c635e3a6b02add08cd3d143893cb84772e305e7
Link:
https://www.unpac.me/results/fa080712-e30d-4fa8-8f05-9af3443d53c1/
SH256 hash:
3f02dfd0b0cd9600617166c46a3eb09b07837b6e718a02677ea03cf2e909e1a4
MD5 hash:
2057e405d27ad310375457e7a9354b42
SHA1 hash:
34463f0ded3acac785af00ae9d61227cb4d0be5c
Link:
https://www.unpac.me/results/fa080712-e30d-4fa8-8f05-9af3443d53c1/
SH256 hash:
f473ac0704e2a9083c308f5f016f05682e69ba1a201b493d65a5a7bb09538405
MD5 hash:
25a484b616908f764422feafbbc401d9
SHA1 hash:
be6bd169ab9a43a584629d5681c990efe1fcfbb3
Link:
https://www.unpac.me/results/fa080712-e30d-4fa8-8f05-9af3443d53c1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f473ac0704e2a9083c308f5f016f05682e69ba1a201b493d65a5a7bb09538405

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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

zip 8ed5f5500ce50d72848daf1cc7091d340ef5497f2d45bffd86f48d91d4f90bb2

AgentTesla

Executable exe f473ac0704e2a9083c308f5f016f05682e69ba1a201b493d65a5a7bb09538405

(this sample)

  
Dropped by
MD5 d4175e7e6880d7a87508df66232bd0af
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/112196/
  
Dropped by
SHA256 8ed5f5500ce50d72848daf1cc7091d340ef5497f2d45bffd86f48d91d4f90bb2

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