MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 043fac93fcdb39690d319eef310048b4e2f0e61281685dddb071511760781026. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 043fac93fcdb39690d319eef310048b4e2f0e61281685dddb071511760781026
SHA3-384 hash: e469e344f3b619eb8494bf7c17bf44da7f103102354667f73c1ca1ad0d7c45af692fbbca4b81c04e0367af057a1e01d2
SHA1 hash: f582cf9ae192d2526228862b2d8e8b160c6fea35
MD5 hash: 77cea10f49d5e42de0df438b65cf91e2
humanhash: kitten-magnesium-mobile-oven
File name:77cea10f49d5e42de0df438b65cf91e2.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:816'128 bytes
First seen:2022-02-21 18:58:41 UTC
Last seen:2022-02-21 20:34:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:hvGby0chFFQWNAXRBG1phDuOGURe/uBcHzu3GST0nwxNyhMzLeVhtExHcQ:gbHchFxhDXGJjSMQ6Y
Threatray 15'574 similar samples on MalwareBazaar
TLSH T1B505DFEC287B40F9F3728EFE5DDCE9B0CA78E6262505E4B978C61F424B41B4489D1279
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
226
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/243035/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.44053.3262.16928.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/6213e10aac8ad0468b624968/reports/5bbcaa15-281c-417b-abee-c9c400c6ccea/overview
Result
Verdict:
SUSPICIOUS
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c9c4b5d3-1d10-497b-a180-42d52af57cd8
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/943441
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Moves itself to temp directory
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: 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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 575919 Sample: j5dPSIl1i7.exe Startdate: 21/02/2022 Architecture: WINDOWS Score: 100 55 Malicious sample detected (through community Yara rule) 2->55 57 Multi AV Scanner detection for dropped file 2->57 59 Multi AV Scanner detection for submitted file 2->59 61 10 other signatures 2->61 7 j5dPSIl1i7.exe 7 2->7         started        11 YYtJku.exe 5 2->11         started        13 YYtJku.exe 4 2->13         started        process3 file4 39 C:\Users\user\AppData\...\tpKZeslHlJbh.exe, PE32 7->39 dropped 41 C:\Users\...\tpKZeslHlJbh.exe:Zone.Identifier, ASCII 7->41 dropped 43 C:\Users\user\AppData\Local\...\tmp3EA5.tmp, XML 7->43 dropped 45 C:\Users\user\AppData\...\j5dPSIl1i7.exe.log, ASCII 7->45 dropped 63 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->63 65 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->65 67 Uses schtasks.exe or at.exe to add and modify task schedules 7->67 69 Adds a directory exclusion to Windows Defender 7->69 15 j5dPSIl1i7.exe 2 5 7->15         started        19 powershell.exe 17 7->19         started        21 schtasks.exe 1 7->21         started        23 j5dPSIl1i7.exe 7->23         started        71 Multi AV Scanner detection for dropped file 11->71 73 Machine Learning detection for dropped file 11->73 75 Injects a PE file into a foreign processes 11->75 25 schtasks.exe 11->25         started        27 YYtJku.exe 11->27         started        29 schtasks.exe 13->29         started        signatures5 process6 file7 47 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 15->47 dropped 49 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 15->49 dropped 51 Moves itself to temp directory 15->51 53 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->53 31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 25->35         started        37 conhost.exe 29->37         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/043fac93fcdb39690d319eef310048b4e2f0e61281685dddb071511760781026/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2022-02-21 18:59:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 28 (71.43%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
149e5cb565e56469e6ff5c929185e203c92be0d8541faf0cf38da0003ae211d3
AgentTesla
1c01390493fc6efc61f767ca138de2a88f68f58c1682a6aa85e40e9ccc5edf1e
AgentTesla
31149772b5eff1ebb9326af6a2ee4e4007dd6c6ad30bef239dc7bf50cd1d219f
AgentTesla
469efc04541dc37e7339026e65e1ae28559252e585bfb523e052ec8bc9aa066c
AgentTesla
6c5bb0bbd4973666ee779f809dc98c94cfd6eb2650df78feb00c5e391bb4c49f
AgentTesla
e9df10889f9591164da6652ef244bc05c5434123230eaaa1c52d82560a7447ef
AgentTesla
ef075f7e4efc20bbaeb15bbf7cbe1c2572f7fefa214b8e2279427ef708bbe01f
AgentTesla
+ 15'564 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220221-xm5naaage8/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
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
Unpacked files
SH256 hash:
73dfc41663c543c6dbbf0b1ec5644e191f28a4d9210ab0aa3fedf119d4db32bc
MD5 hash:
fa3216b2f5bf54d7156a3190b3d7679a
SHA1 hash:
97afdd80ca9f5db20f7802486edcd317733ddc62
Link:
https://www.unpac.me/results/1ece58dc-5657-49ff-aa8f-222c1e44bb99/
SH256 hash:
058629ec3870780a655cd3a06f2ef6c208414243a3f72b3508c481af4759bb85
MD5 hash:
b768fa63cd1b6f38972b6e7d97afb25f
SHA1 hash:
95f759528e05338360900e9660c76d2b688230bd
Link:
https://www.unpac.me/results/1ece58dc-5657-49ff-aa8f-222c1e44bb99/
SH256 hash:
e33254e2ad4d279914a29450f98d1750a9f513fc8ddb853e0dd8346b805faa43
MD5 hash:
b597cce7bfc65e56fa69ebb7f413a33f
SHA1 hash:
7ee40df5ac783432e7c9f7be4f7ed1f286345d58
Link:
https://www.unpac.me/results/1ece58dc-5657-49ff-aa8f-222c1e44bb99/
SH256 hash:
57ce78bf6e1df0a953be7e2955a6fa00ca770d2667c641da959bd3d36cd187e0
MD5 hash:
3719513afd11d7c890968ebec0b39e1a
SHA1 hash:
2f0ad49b2c6fbc836f68446f5216406b1ba258b9
Link:
https://www.unpac.me/results/1ece58dc-5657-49ff-aa8f-222c1e44bb99/
SH256 hash:
043fac93fcdb39690d319eef310048b4e2f0e61281685dddb071511760781026
MD5 hash:
77cea10f49d5e42de0df438b65cf91e2
SHA1 hash:
f582cf9ae192d2526228862b2d8e8b160c6fea35
Link:
https://www.unpac.me/results/1ece58dc-5657-49ff-aa8f-222c1e44bb99/
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/043fac93fcdb39690d319eef310048b4e2f0e61281685dddb071511760781026

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

AgentTesla

Executable exe 043fac93fcdb39690d319eef310048b4e2f0e61281685dddb071511760781026

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2037369/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/243035/

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