MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90f4dbe5a1ecd502432550851c0f7997d84d3796dc632a77299231582ae05999. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 90f4dbe5a1ecd502432550851c0f7997d84d3796dc632a77299231582ae05999
SHA3-384 hash: 04dc7a844b519b1d4b43974818ca4c33e39b0084cccf25e150766e6cd844c5b57a5d4de4b83f3a819d7ef138e5a86bdf
SHA1 hash: 4057fb08d9e222eea2b36c9928861e0f60415c7a
MD5 hash: ce4b854a49b0e2c50c68b9a74bc1ac8a
humanhash: saturn-foxtrot-summer-table
File name:90f4dbe5a1ecd502432550851c0f7997d84d3796dc632a77299231582ae05999
Download: download sample
Signature AgentTesla
Create hunting rule
File size:253'952 bytes
First seen:2023-09-07 13:12:05 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 3072:ZQZl2/V11oAuDFBwRDP2+xERYTUyzT2Nd6nHzJe5/weC:Zp/V11o1BwpeXqYyzT2+w5h
Threatray 5'700 similar samples on MalwareBazaar
TLSH T15E441F037E48EB11D6983D37C2DF6C2813F2A0C706738A0BAF49AE6526556476C7E76C
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
290
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
90f4dbe5a1ecd502432550851c0f7997d84d3796dc632a77299231582ae05999
Verdict:
Malicious activity
Analysis date:
2023-09-07 13:12:12 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/3071024f-51fe-418f-9943-d51e3594b0b8

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/447157/
Detection(s):
Win.Packed.Generic-10003641-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Creating a window
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control greyware hacktool lolbin packed packed replace
Link:
https://www.filescan.io/uploads/64f9cc5f4578d9c35e061558/reports/59f91d7d-4f37-4d8e-be7c-509cff0f03cc/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/90f4dbe5a1ecd502432550851c0f7997d84d3796dc632a77299231582ae05999
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9ac51dfa-e920-4a11-a306-03ea58179764
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1305325
Signature
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1305325 Sample: XpXJvfwBgE.exe Startdate: 07/09/2023 Architecture: WINDOWS Score: 100 19 api4.ipify.org 2->19 21 api.telegram.org 2->21 23 api.ipify.org 2->23 29 Snort IDS alert for network traffic 2->29 31 Found malware configuration 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 7 other signatures 2->35 6 XpXJvfwBgE.exe 17 5 2->6         started        11 UJuZmr.exe 14 2 2->11         started        13 UJuZmr.exe 2 2->13         started        signatures3 process4 dnsIp5 25 api4.ipify.org 104.237.62.212, 443, 49760, 49767 WEBNXUS United States 6->25 27 api.telegram.org 149.154.167.220, 443, 49761, 49764 TELEGRAMRU United Kingdom 6->27 15 C:\Users\user\AppData\Roaming\...\UJuZmr.exe, PE32 6->15 dropped 17 C:\Users\user\...\UJuZmr.exe:Zone.Identifier, ASCII 6->17 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 6->37 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->39 41 Tries to steal Mail credentials (via file / registry access) 6->41 43 Hides that the sample has been downloaded from the Internet (zone.identifier) 6->43 45 Multi AV Scanner detection for dropped file 11->45 47 Machine Learning detection for dropped file 11->47 49 Tries to harvest and steal browser information (history, passwords, etc) 13->49 51 Installs a global keyboard hook 13->51 file6 signatures7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/90f4dbe5a1ecd502432550851c0f7997d84d3796dc632a77299231582ae05999/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-09-07 13:13:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sd2nxznb5tkqeqzfkccryd3zs7me2n4w3rrsu5zjsiyvqkxalgmq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1e5d0ecba17e0de6cf37f9a37e31c9c9a5883df357b0499592598d3921804b3a
AgentTesla
327f487c6ed34bbfc7d0541d081129d7b4bc4a6e071ed7750e9817da24d5a523
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653b9c71eeb09d0276dfa8fab08ed75f868166e484cde9716da250a76d5da32c
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73d782dc28a38a6e4ee9680f3caee329106a4927433cb0b39837a6ab078f4065
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c0d78a0e66df81e755349710a7c88371ad11a3dcc44115dffca63052954d8060
AgentTesla
e1b7acfbe15a0fde89a1bb1f0f51142061b2ff50bc6c33c770a40f1c43b0d7f6
AgentTesla
f03f1ae3d3d6bde555d9bc841f8b11ee27459cb9937ae50298b24acb3190552e
AgentTesla
fb0533fddd270310cba6cd3a1cae5f23356a0a28cfdb85caf6dc0c41f8c19590
AgentTesla
+ 5'690 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/230907-qf3rsahh7s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
outlook_office_path
outlook_win_path
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot6424981117:AAH-1_sJRsXGTtw3bS1crUMDaIXK7vl2dCU/
Unpacked files
SH256 hash:
90f4dbe5a1ecd502432550851c0f7997d84d3796dc632a77299231582ae05999
MD5 hash:
ce4b854a49b0e2c50c68b9a74bc1ac8a
SHA1 hash:
4057fb08d9e222eea2b36c9928861e0f60415c7a
Link:
https://www.unpac.me/results/93950dd2-41dd-40b1-bbf7-3ec524d275a4/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/90f4dbe5a1ec/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/90f4dbe5a1ecd502432550851c0f7997d84d3796dc632a77299231582ae05999

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:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
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.

Cape
Cape
https://www.capesandbox.com/analysis/447157/

Comments