MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5633ea97a1c42d043d14109706d7a38b5c2cfd6e771d0eb2a85107af166af098. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5633ea97a1c42d043d14109706d7a38b5c2cfd6e771d0eb2a85107af166af098
SHA3-384 hash: ab3cb7001de0f2596a28d422a2b18230c40edf14b77cbab42c19698e49c08d0fcc7b8100dbb421dc9215a35a1964218d
SHA1 hash: 8401104fb07f48fa5e9fe22301de818875a7bc87
MD5 hash: f4d2f8ca6da4b4933ec26b1b7bd2f52f
humanhash: glucose-grey-double-finch
File name:f4d2f8ca_by_Libranalysis
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'227'776 bytes
First seen:2021-05-14 15:01:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:ipoLLoS60/K7yh0P2iNpWKcqtrYFTcQvCAWL1IlTnZl/zTFqN7B6TwkXOYXk6jp8:8oLAP1jWKLrYFyAu1m7rT41kbPu35
Threatray 2 similar samples on MalwareBazaar
TLSH 86456AACB344D5F0D35A097263DF4C0243272D74E826AA2E6B5033BA1A77EDF2D35949
Reporter Libranalysis
Tags:AgentTesla


Avatar
Libranalysis
Uploaded as part of the sample sharing project

Intelligence

File Origin
# of uploads :
1
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f4d2f8ca_by_Libranalysis
Verdict:
Malicious activity
Analysis date:
2021-05-14 15:31:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8a1dcd84-c251-4739-ab5a-df21077ef3de

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/156757/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
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.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/782015
Signature
.NET source code contains potential unpacker
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Modifies the hosts file
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)
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 steal Mail credentials (via file access)
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: 414410 Sample: f4d2f8ca_by_Libranalysis Startdate: 14/05/2021 Architecture: WINDOWS Score: 100 57 Found malware configuration 2->57 59 Multi AV Scanner detection for dropped file 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 5 other signatures 2->63 7 f4d2f8ca_by_Libranalysis.exe 6 2->7         started        11 gVRoVs.exe 5 2->11         started        13 gVRoVs.exe 4 2->13         started        process3 file4 37 C:\Users\user\AppData\Roaming\vyQzPxqkc.exe, PE32 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmp56A2.tmp, XML 7->39 dropped 41 C:\Users\...\f4d2f8ca_by_Libranalysis.exe.log, ASCII 7->41 dropped 65 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->65 67 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->67 69 Uses schtasks.exe or at.exe to add and modify task schedules 7->69 15 f4d2f8ca_by_Libranalysis.exe 2 5 7->15         started        19 schtasks.exe 1 7->19         started        71 Multi AV Scanner detection for dropped file 11->71 73 Injects a PE file into a foreign processes 11->73 21 schtasks.exe 1 11->21         started        23 gVRoVs.exe 2 11->23         started        25 gVRoVs.exe 11->25         started        27 schtasks.exe 13->27         started        29 gVRoVs.exe 13->29         started        signatures5 process6 file7 43 C:\Users\user\AppData\Roaming\...\gVRoVs.exe, PE32 15->43 dropped 45 C:\Windows\System32\drivers\etc\hosts, ASCII 15->45 dropped 47 C:\Users\user\...\gVRoVs.exe:Zone.Identifier, ASCII 15->47 dropped 49 Tries to steal Mail credentials (via file access) 15->49 51 Tries to harvest and steal ftp login credentials 15->51 53 Tries to harvest and steal browser information (history, passwords, etc) 15->53 55 2 other signatures 15->55 31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 27->35         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5633ea97a1c42d043d14109706d7a38b5c2cfd6e771d0eb2a85107af166af098/
Threat name:
Win32.Trojan.Strictor
Create hunting rule
Status:
Malicious
First seen:
2021-05-14 14:39:06 UTC
AV detection:
10 of 46 (21.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kyz6vf5byqwqipiucclqnv5drnocz7loo4oq5mviked26ftk6cma._file
Verdict:
unknown
Similar samples:
3dc0ee6e240c6133d31b0fabcdb710d5b205cc9696b6c67d431fbcfcd126ca74
AgentTesla
d05776f7dda3bb3b33bf35384cabb29da679f238958a003eaf455f3357fbfd0e
AgentTesla
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210514-5xelk3r83x/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
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/5633ea97a1c42d043d14109706d7a38b5c2cfd6e771d0eb2a85107af166af098

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

Cape
Cape
https://www.capesandbox.com/analysis/156757/

Comments