MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d9235e12f4e970821baacaf3e4b441847c232233cdcdf228dffd99c9d6fbc84. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4d9235e12f4e970821baacaf3e4b441847c232233cdcdf228dffd99c9d6fbc84
SHA3-384 hash: ebb160cde799a501c098120ba0749d73f05a428c2684f2750b8f686fc4669717eb59f2f5e8894804d1424e53db8100e1
SHA1 hash: 791c11ce7f5c6a1cac8386c3a17d718a63b65459
MD5 hash: efbd37eb699c647b48dfe0ea06c15018
humanhash: william-pluto-michigan-yellow
File name:efbd37eb699c647b48dfe0ea06c15018.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:786'432 bytes
First seen:2022-04-08 09:42:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:Q0vCKrtUO5TE0ZQ7U75pw9mMbOJ34QPGxW36t27ukKjikQJfWI555bYGg3KPKH/y:Q0LTExUVpl9jPqWKt27ukCB2WgS33KP1
TLSH T1FDF4014CF321B9EDD817C7B179B86C62BF11F867826E598B5013066A5D1C043CAABCE7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
velocityelecc.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
192
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
efbd37eb699c647b48dfe0ea06c15018.exe
Verdict:
Malicious activity
Analysis date:
2022-04-08 21:27:48 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8e1faac0-9680-443c-b245-594536f48b79

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/262045/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Stealer.23680.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed
Link:
https://www.filescan.io/uploads/625003aabbd90911a2969821/reports/f8364ae4-d9bd-4031-9c34-706bd66573f9/overview
Result
Verdict:
UNKNOWN
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/c7cd09bd-6e2c-4477-99d5-fb1af56f6faa
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/973189
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
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)
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
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: Suspicious Add Scheduled 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)
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 / registry 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: 605676 Sample: Krx7lE3lu9.exe Startdate: 08/04/2022 Architecture: WINDOWS Score: 100 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 10 other signatures 2->43 7 Krx7lE3lu9.exe 7 2->7         started        process3 file4 25 C:\Users\user\AppData\...\ZLDEtgfChA.exe, PE32 7->25 dropped 27 C:\Users\...\ZLDEtgfChA.exe:Zone.Identifier, ASCII 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmp880B.tmp, XML 7->29 dropped 31 C:\Users\user\AppData\...\Krx7lE3lu9.exe.log, ASCII 7->31 dropped 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->45 47 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->47 49 Uses schtasks.exe or at.exe to add and modify task schedules 7->49 51 3 other signatures 7->51 11 Krx7lE3lu9.exe 6 7->11         started        15 powershell.exe 24 7->15         started        17 schtasks.exe 1 7->17         started        19 Krx7lE3lu9.exe 7->19         started        signatures5 process6 dnsIp7 33 velocityelecc.com 162.0.215.43, 49744, 49745, 587 ACPCA Canada 11->33 35 192.168.2.1 unknown unknown 11->35 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->53 55 Tries to steal Mail credentials (via file / registry access) 11->55 57 Tries to harvest and steal ftp login credentials 11->57 59 Tries to harvest and steal browser information (history, passwords, etc) 11->59 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4d9235e12f4e970821baacaf3e4b441847c232233cdcdf228dffd99c9d6fbc84/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-08 09:43:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 41 (51.22%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220408-lpxjxabfg4/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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
Unpacked files
SH256 hash:
b3f4d410471a78b059962ae0aa6f207f536001e526e2f557c8aa42afb4b8b2ef
MD5 hash:
a938961ff07a5f3883a74e63c8e1f24a
SHA1 hash:
83401be3fe13542ddb8c6e1003ff589cea48970c
Link:
https://www.unpac.me/results/28e37fda-d732-4474-bcd1-e04ce3037109/
SH256 hash:
e11871df824c3130e35f2c94d672404e18ebefddf3172d166f2e640ad3686c73
MD5 hash:
4379771ccd9b927712ef2505214161df
SHA1 hash:
6636b7b80e279de67c60b52277f566463afebf8e
Link:
https://www.unpac.me/results/28e37fda-d732-4474-bcd1-e04ce3037109/
SH256 hash:
686b510e67a40ccbb8be47773fa8440c9e6466f6ab33e7f0304c1855e17359b3
MD5 hash:
9d76f1093e9abaac376bbf4f060dad46
SHA1 hash:
48a6c9ca3305984ee16591a38db0ef8c16a7a15c
Link:
https://www.unpac.me/results/28e37fda-d732-4474-bcd1-e04ce3037109/
SH256 hash:
ad8a59b5b79cd9c3ce0e96b57a6630132d1602943734c7359d264a0769133dca
MD5 hash:
024f396c584aca30ac8f8eb35fd19cd3
SHA1 hash:
3931f81767c4dc8e6fe64338ea2a08e25a5de630
Link:
https://www.unpac.me/results/28e37fda-d732-4474-bcd1-e04ce3037109/
SH256 hash:
4d9235e12f4e970821baacaf3e4b441847c232233cdcdf228dffd99c9d6fbc84
MD5 hash:
efbd37eb699c647b48dfe0ea06c15018
SHA1 hash:
791c11ce7f5c6a1cac8386c3a17d718a63b65459
Link:
https://www.unpac.me/results/28e37fda-d732-4474-bcd1-e04ce3037109/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/4d9235e12f4e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/4d9235e12f4e970821baacaf3e4b441847c232233cdcdf228dffd99c9d6fbc84

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 4d9235e12f4e970821baacaf3e4b441847c232233cdcdf228dffd99c9d6fbc84

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2134296/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/262045/

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