MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40c5a3fcc214c1458b2540d2f5bea07a0cddd0995dfafff23cbdee8d6f422d2e. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 40c5a3fcc214c1458b2540d2f5bea07a0cddd0995dfafff23cbdee8d6f422d2e
SHA3-384 hash: 7c98ebb4b2edf12ea072c85a1f6bea9c5e69ccaa45f991aaa7bdb94b6e31a0cbc04f3122b6ad851165c8551ed65b6a70
SHA1 hash: 442bcecb8a50905472efd5b6fbe6192ab08f0c73
MD5 hash: 018ffd0a27e6516a47d04f9b3c5bdd3f
humanhash: mexico-pasta-delta-social
File name:swift.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:758'272 bytes
First seen:2023-09-29 20:59:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:JNdL6yiRJU/WcfnOycRxozzY/UPYBd9wBy9kzFY6gnvDZo+sc+e76m8m++afQmYy:vJBFeKO9xov6sYv2ByoY6K8Jm++l
Threatray 5'749 similar samples on MalwareBazaar
TLSH T1F6F4015641919B9FD4240DBB34606F153BF37EBD282CE20DCDDA3DAB5638340A683B99
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter TeamDreier
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
279
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
swift.exe
Verdict:
Malicious activity
Analysis date:
2023-09-29 21:33:04 UTC
Tags:
stealer agenttesla trojan
Link:
https://app.any.run/tasks/b4f6d165-6e1c-49de-be76-8395a0a7d72f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/452071/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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 with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65173ada32ffdb7a7a19717a/reports/c9622fe1-9147-456f-ab1f-ca104b087c6e/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/40c5a3fcc214c1458b2540d2f5bea07a0cddd0995dfafff23cbdee8d6f422d2e
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f6012c22-a518-46a4-9b8d-9e419a71896a
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1316926
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Sigma detected: Scheduled temp file as task from temp location
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 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: 1316926 Sample: swift.exe Startdate: 29/09/2023 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic 2->37 39 Found malware configuration 2->39 41 Sigma detected: Scheduled temp file as task from temp location 2->41 43 8 other signatures 2->43 7 swift.exe 7 2->7         started        11 wBkDZDiHBArYB.exe 5 2->11         started        process3 file4 31 C:\Users\user\AppData\...\wBkDZDiHBArYB.exe, PE32 7->31 dropped 33 C:\Users\user\AppData\Local\...\tmp5EA9.tmp, XML 7->33 dropped 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->45 47 Uses schtasks.exe or at.exe to add and modify task schedules 7->47 49 Adds a directory exclusion to Windows Defender 7->49 13 swift.exe 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        51 Multi AV Scanner detection for dropped file 11->51 53 Machine Learning detection for dropped file 11->53 21 wBkDZDiHBArYB.exe 2 11->21         started        23 schtasks.exe 1 11->23         started        signatures5 process6 dnsIp7 35 cp7nl.hyperhost.ua 185.174.172.194, 49787, 49788, 49789 ITLDC-NLUA Ukraine 13->35 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->55 57 Tries to steal Mail credentials (via file / registry access) 21->57 59 Tries to harvest and steal browser information (history, passwords, etc) 21->59 29 conhost.exe 23->29         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/40c5a3fcc214c1458b2540d2f5bea07a0cddd0995dfafff23cbdee8d6f422d2e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-09-28 19:12:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=idc2h7gcctaulczfidjplpvapign3uezlx5p74r4xxxi232cfuxa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0638019d83072a8f6bab02e4dc735df24d3dee3c375bd9cdbb952d1fe613b2ae
AgentTesla
3b6a3c3e882e95192ca46c020d2651800671e59816eb9aa0cef15cabdbfebfe7
AgentTesla
485b45513f839ff3c972cbd2434273388b87c070c8c6125a8462aeabe2fb96d5
AgentTesla
72410bd4bba817948446c55e5b7cf45ffdf33ae04747f284baa675d9b45e5cb6
AgentTesla
a137cff915e45fd894f48951ee7fccf5d7b9da31539a8fe0b287f1720a8794fe
AgentTesla
ab52f0c80f1cadd45bc294837d320b50854ae4937b1a0eb85e88bfde8f95da23
AgentTesla
ea76d84bffa9794fe86505016d0370dd29db84fbdff79a26bfee30be32a7a0a8
AgentTesla
fc403f779b96114c4191ea8559658a1c65b18de98e775c6c16418051a03af058
AgentTesla
+ 5'739 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230929-ztaslaga68/
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:
b15d5ab2ac2a986e6ebf268433a79f42157e8f70088c75243828ab5198d0b4cd
MD5 hash:
e5efe58b508da3c548465daaa11f99d7
SHA1 hash:
da9e731c3c7aff3cd1e6e1f45b1325dfa68ecb72
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/7c29793e-9954-4b17-a08e-f834ac59a9b6/
Parent samples :
ab52f0c80f1cadd45bc294837d320b50854ae4937b1a0eb85e88bfde8f95da23
40c5a3fcc214c1458b2540d2f5bea07a0cddd0995dfafff23cbdee8d6f422d2e
SH256 hash:
a655be43f79d44bf3e6720e6e1aa99b8fd94785cd46707d9a0dd48a10e4d20c8
MD5 hash:
7c2c98a1bc1af93e1bc1e0c933915b8e
SHA1 hash:
c5c3a2e553fdfa9010cf11b582fe3399c5551ffd
Link:
https://www.unpac.me/results/7c29793e-9954-4b17-a08e-f834ac59a9b6/
SH256 hash:
1ea2b8ad04a561d3299da8a010e4fd46ad63bd66693f499d1795a00ba5fbd94a
MD5 hash:
3fdc312d1cb26ff6a4af1c7965544577
SHA1 hash:
6ea18f5cc4c56cbf814c1f2a169ef99738d59f66
Link:
https://www.unpac.me/results/7c29793e-9954-4b17-a08e-f834ac59a9b6/
SH256 hash:
7ec118e70613ce2d9aee29cda2918ca710dde346c68d4da75c2ea0402e6d4391
MD5 hash:
1622a62bf6805b2dca82a8632eceac71
SHA1 hash:
071b72a5a1231149dfe4b9fcfa3a6ee49265ab7c
Link:
https://www.unpac.me/results/7c29793e-9954-4b17-a08e-f834ac59a9b6/
SH256 hash:
40c5a3fcc214c1458b2540d2f5bea07a0cddd0995dfafff23cbdee8d6f422d2e
MD5 hash:
018ffd0a27e6516a47d04f9b3c5bdd3f
SHA1 hash:
442bcecb8a50905472efd5b6fbe6192ab08f0c73
Link:
https://www.unpac.me/results/7c29793e-9954-4b17-a08e-f834ac59a9b6/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/40c5a3fcc214/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/40c5a3fcc214c1458b2540d2f5bea07a0cddd0995dfafff23cbdee8d6f422d2e

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
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.

Malspam

AgentTesla

Executable exe 40c5a3fcc214c1458b2540d2f5bea07a0cddd0995dfafff23cbdee8d6f422d2e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/452071/

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