MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a91034a005a82a1ec69a6682de74809632207aa47acefe46bf44e98af51284b7. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a91034a005a82a1ec69a6682de74809632207aa47acefe46bf44e98af51284b7
SHA3-384 hash: 56dd95888d9184c2ed41ac817a19ba88f37f880e878f31a9917d70dd11a712fbf5246bec17acbbaaaf252672b69517a2
SHA1 hash: 56bf7cf1e7d71463958c229f2a7c04d62fe00b56
MD5 hash: be811f22d808c3f2e3e37d5dac4436b9
humanhash: purple-alpha-saturn-four
File name:IMG_Scan-New PO #PSB-17398902, PSB-18384789.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:687'104 bytes
First seen:2024-02-15 11:02:13 UTC
Last seen:2024-02-19 08:42:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:/eQ5vzintbbh6PBhBjg6bTfOYYWAqIGvYRA+Gd1Y10GTWbsr2PulEbapdYPNgcu:/rintI1M6/XIQP+4NGTmsr2QJwl1
Threatray 349 similar samples on MalwareBazaar
TLSH T124E412113AEBE248DC754B362D3045C173BA7A69FF58CB1E9949225CCD736138B10EAB
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
274
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
a91034a005a82a1ec69a6682de74809632207aa47acefe46bf44e98af51284b7.exe
Verdict:
Malicious activity
Analysis date:
2024-02-15 11:59:22 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/fa88e62f-8564-4dea-aab2-2eef9b3d4316

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/476305/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2679.21844.10904.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65cdef7254f1a1b63b6ff112/reports/62f3a9e9-3461-42c7-bd0e-42a161352f0a/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/a91034a005a82a1ec69a6682de74809632207aa47acefe46bf44e98af51284b7
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/78ea3494-bed0-4b6c-a308-d27a35c29c4b
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1392807
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 domain / URL
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: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1392807 Sample: IMG_Scan-New PO #PSB-173989... Startdate: 15/02/2024 Architecture: WINDOWS Score: 100 46 mail.commtechtrading.com 2->46 48 commtechtrading.com 2->48 52 Multi AV Scanner detection for domain / URL 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 16 other signatures 2->58 8 lxgjQtzTFta.exe 5 2->8         started        11 IMG_Scan-New PO #PSB-17398902, PSB-18384789.exe 7 2->11         started        signatures3 process4 file5 60 Multi AV Scanner detection for dropped file 8->60 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->62 64 Machine Learning detection for dropped file 8->64 14 lxgjQtzTFta.exe 8->14         started        17 schtasks.exe 8->17         started        19 MpCmdRun.exe 8->19         started        42 C:\Users\user\AppData\...\lxgjQtzTFta.exe, PE32 11->42 dropped 44 C:\Users\user\AppData\Local\...\tmp1302.tmp, XML 11->44 dropped 66 Adds a directory exclusion to Windows Defender 11->66 68 Injects a PE file into a foreign processes 11->68 21 IMG_Scan-New PO #PSB-17398902, PSB-18384789.exe 2 11->21         started        24 powershell.exe 23 11->24         started        26 powershell.exe 23 11->26         started        28 2 other processes 11->28 signatures6 process7 dnsIp8 70 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->70 72 Tries to steal Mail credentials (via file / registry access) 14->72 74 Tries to harvest and steal browser information (history, passwords, etc) 14->74 30 conhost.exe 17->30         started        32 conhost.exe 19->32         started        50 commtechtrading.com 173.236.63.6, 49705, 49706, 587 SINGLEHOP-LLCUS United States 21->50 34 WmiPrvSE.exe 24->34         started        36 conhost.exe 24->36         started        38 conhost.exe 26->38         started        40 conhost.exe 28->40         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a91034a005a82a1ec69a6682de74809632207aa47acefe46bf44e98af51284b7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a91034a005a82a1ec69a6682de74809632207aa47acefe46bf44e98af51284b7/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2024-02-13 09:36:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=veidjiafvavb5ru2m2bn45easyzca6veplhp4rv7ituyv5isqs3q._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
0ab9258ba53195ed9a0ee5473db7c1458f094e206371f31640750ba2e26f1f5e
AgentTesla
3d38040b15c1ec1b47b63b58e32d4484707979fa2a7eb43cf25414fa04299414
AgentTesla
4e3966d7930bad5fe06070c32506ec910ca8c79386a91384b21ef9b89ef6bc9b
AgentTesla
5fdb3de171431980fb56572dd438f76f0b2d255797c2f1ee9ff55462be22eea0
AgentTesla
77b71576856185e15daeb6b0ad20b0745c744a8f14dad72c98f479f2802bf545
AgentTesla
a91034a005a82a1ec69a6682de74809632207aa47acefe46bf44e98af51284b7
AgentTesla
+ 339 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240215-m5qlzafd53/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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:
1277dbcf227c8db87b9c4f333d070ca940ad072e76b93c2aee6e8e87bb3e331c
MD5 hash:
5e0bd4896ad7dc36a1804858decbc12b
SHA1 hash:
f4d3f1cafc7b007a8fee80e209685eff8de02b6f
Link:
https://www.unpac.me/results/1b57becc-231b-425f-9a4c-8b3247eaed17/
SH256 hash:
4f9e76a2dcfeb9f3399243bfbb2884718af6ef049e4f91e06147e922eb847797
MD5 hash:
9a65b87dc4c95fe0f6fa4b941930444a
SHA1 hash:
85eb5e28f35a8d565a78347f462c6d3d906f03d6
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/1b57becc-231b-425f-9a4c-8b3247eaed17/
Parent samples :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 hash:
fe28a4bd94607da0d4a77febd6f074608ee40b535422b7859c96d24d5d3a4175
MD5 hash:
f1c5a4c9313d1f4a7aefb01f2303e4c9
SHA1 hash:
4d1df4d20d2545af4b6bba126004ee3269b06f53
Link:
https://www.unpac.me/results/1b57becc-231b-425f-9a4c-8b3247eaed17/
SH256 hash:
2f8500be90a0f03bfe335e19fdc15b4fdbfa4c34b9fc6b11146dec0ecd754b82
MD5 hash:
f2170583da2005c6f8500b078cf04e4f
SHA1 hash:
2349a42700055904f084f98ede3bff2bfba55876
Link:
https://www.unpac.me/results/1b57becc-231b-425f-9a4c-8b3247eaed17/
SH256 hash:
a91034a005a82a1ec69a6682de74809632207aa47acefe46bf44e98af51284b7
MD5 hash:
be811f22d808c3f2e3e37d5dac4436b9
SHA1 hash:
56bf7cf1e7d71463958c229f2a7c04d62fe00b56
Link:
https://www.unpac.me/results/1b57becc-231b-425f-9a4c-8b3247eaed17/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a91034a005a8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/a91034a005a82a1ec69a6682de74809632207aa47acefe46bf44e98af51284b7

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: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 a91034a005a82a1ec69a6682de74809632207aa47acefe46bf44e98af51284b7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/476305/

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