MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3a3699e78a1a54ea10b4dc8f03044ec422c22c7a6c5ee69b3c7248272e6d2ac. 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: 13


Intelligence 13 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f3a3699e78a1a54ea10b4dc8f03044ec422c22c7a6c5ee69b3c7248272e6d2ac
SHA3-384 hash: d64b51079c76a6dff64c9b9023e6ca2219161a8afe930c6fb71218acb817343c12f5e82de0064aeee69b8968570ae0e2
SHA1 hash: 4a0f966263c4c62967d6c7a0695c0fe1391e8831
MD5 hash: c77816becd3be5073f62ed2a6dd5cc2f
humanhash: muppet-five-kansas-east
File name:Re 22-039 Quotationinstant tent shipment qty.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:503'296 bytes
First seen:2021-11-10 09:21:52 UTC
Last seen:2021-11-10 13:58:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:NzOVtD00ngvedU81QWBhUkhE8t25EcmlwJ:oC0gg1QWsYt2+ZqJ
Threatray 13'094 similar samples on MalwareBazaar
TLSH T1D5B4F12D3A68DF5AD5364639CCFED09103FCB8056862E72D2FC923DF5962B504850AEE
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
136
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/204659/
Detection(s):
Win.Packed.Msilzilla-9907552-0
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/618b8f3e175442ca93aa6a5b/reports/813ae8d0-3584-47a7-8626-8885774cc5e1/overview
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.
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e124e4a3-a999-4293-8089-241251de4960
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/886585
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Moves itself to temp directory
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)
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 519058 Sample: Re 22-039 Quotationinstant ... Startdate: 10/11/2021 Architecture: WINDOWS Score: 100 33 api.telegram.org 2->33 35 Found malware configuration 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected AgentTesla 2->39 41 14 other signatures 2->41 8 Re 22-039 Quotationinstant tent shipment qty.exe 7 2->8         started        signatures3 process4 file5 27 C:\Users\user\AppData\...\xgPdYGHeOGCO.exe, PE32 8->27 dropped 29 C:\Users\user\AppData\Local\...\tmpBFFE.tmp, XML 8->29 dropped 31 Re 22-039 Quotatio...hipment qty.exe.log, ASCII 8->31 dropped 43 Adds a directory exclusion to Windows Defender 8->43 45 Injects a PE file into a foreign processes 8->45 12 Re 22-039 Quotationinstant tent shipment qty.exe 8->12         started        15 powershell.exe 25 8->15         started        17 powershell.exe 24 8->17         started        19 schtasks.exe 1 8->19         started        signatures6 process7 signatures8 47 Moves itself to temp directory 12->47 49 Tries to harvest and steal browser information (history, passwords, etc) 12->49 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f3a3699e78a1a54ea10b4dc8f03044ec422c22c7a6c5ee69b3c7248272e6d2ac/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-11-10 09:22:08 UTC
AV detection:
15 of 45 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6orwthtyugsu5iiljxepamce5rbcyiwhu3c642nty4sie4xg2kwa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
15189732a875a6464e53bee90a29e181cd6bf8420b8b7a86f0cafd36e9e86a44
AgentTesla
285013a4be37307c44edf2a923d5a4bf9c52dcfacec1a0308046f9689f1fd19f
AgentTesla
43fef170694482498ea7cbc2f8209fc0761387df676f011cbd7c4b52b7872bb8
AgentTesla
6487c34d146a2277a4b10041ef255c9b024b24b3a44bad3fc7652a2f908af2b8
AgentTesla
88d6342ccae8c8af4195bcb8c8d41230821ff2d1d5d559e074e240d903af840d
AgentTesla
d40555c64312025571d9eb3eb64c0d3267f9672f4e8794e378db09d72a192e9f
AgentTesla
e6ce317d3368fb336f2d2efb78002797975ba82ba0a16869b5e2912caf5731c6
AgentTesla
e891cd3b2bf9b1d351a8b1e91d2f94afc63ae355c8d26bc1e03485c72b603e8c
AgentTesla
+ 13'084 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/211110-lbwqfsdghq/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot2030557675:AAF2CRvHF_rfT7tYXz9VN8YUb6kF5qxu_xg/sendDocument
Unpacked files
SH256 hash:
963cad8413468512a2905377ff4d599a6760bbc4c262042e651fd699757269dd
MD5 hash:
b3bc19d52b6aa91e8a9bcb348464b9fd
SHA1 hash:
cddab8bc15588ad549d51d6c6709aa24c63f1f71
Link:
https://www.unpac.me/results/bb13d47b-585a-41e2-bb40-14954caa49fa/
SH256 hash:
91655863c7906a8d20c7c782144f553c027843a72f2fdab2b1ccc80808083af0
MD5 hash:
b5044dd0e9c91b1a9185d491da7d07f2
SHA1 hash:
a9ff8129771d85f77b6a145f750c70e53f51125e
Link:
https://www.unpac.me/results/bb13d47b-585a-41e2-bb40-14954caa49fa/
SH256 hash:
07bd9fa47b82c7d8aee24c8b881104002f518f298699eeee510c4f0ec8f85934
MD5 hash:
6fccbdab10e9fdf8b3a1ce5340a1383a
SHA1 hash:
1c6861aa177c107acb5d587848a691caf3793bb4
Link:
https://www.unpac.me/results/bb13d47b-585a-41e2-bb40-14954caa49fa/
SH256 hash:
f3a3699e78a1a54ea10b4dc8f03044ec422c22c7a6c5ee69b3c7248272e6d2ac
MD5 hash:
c77816becd3be5073f62ed2a6dd5cc2f
SHA1 hash:
4a0f966263c4c62967d6c7a0695c0fe1391e8831
Link:
https://www.unpac.me/results/bb13d47b-585a-41e2-bb40-14954caa49fa/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/f3a3699e78a1/report/overview.html
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/f3a3699e78a1a54ea10b4dc8f03044ec422c22c7a6c5ee69b3c7248272e6d2ac

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Telegram_Exfiltration_Via_Api
Create hunting rule
Author:lsepaolo
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 f3a3699e78a1a54ea10b4dc8f03044ec422c22c7a6c5ee69b3c7248272e6d2ac

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/204659/

Comments