MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4f509e7ddd46a832bc8deed743dd03adffc1b613adcffdf751b39a48f540af8. 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 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4f509e7ddd46a832bc8deed743dd03adffc1b613adcffdf751b39a48f540af8
SHA3-384 hash: 81f2d01e8656adcf5b42670c33a5773dd6dd59b1f9439e3b14cfd0e0f2ddaeb4089a5a1d9067e749acb9b61e77a3804e
SHA1 hash: 1e2997d6831dd4270649be7befe4428f4419cef1
MD5 hash: 0b5be6e23a6e332c3ce80a8f099a0593
humanhash: hotel-kitten-november-ten
File name:7HlEfhRJMa2IpDQ.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:681'472 bytes
First seen:2024-02-20 10:31:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:bVQ4W3q1SOxj/AxXdt8p5r0e4418XPYqxtDA/LJXV36oCsSq/O1lm3jxb2:rAqAyMXcvrd18XPn6BdHqjzUb
Threatray 5'779 similar samples on MalwareBazaar
TLSH T166E42288282C6B31DABAE3F354353455D371AA08F070F37D5CE6B5FA2BA2B449746643
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 lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
318
Origin country :
DE DE
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/477031/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
davinci packed
Link:
https://www.filescan.io/uploads/65d47fa826f1ddc579a1dbe7/reports/dc928601-fb12-47df-8cef-9ec413cbd60e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a4f509e7ddd46a832bc8deed743dd03adffc1b613adcffdf751b39a48f540af8
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/0eeeedfb-4e83-4e61-82a0-e80c1dd36f20
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1395187
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
Allocates memory in foreign processes
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
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)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1395187 Sample: 7HlEfhRJMa2IpDQ.exe Startdate: 20/02/2024 Architecture: WINDOWS Score: 100 44 mail.wasstech.com 2->44 46 api.ipify.org 2->46 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for URL or domain 2->56 58 11 other signatures 2->58 8 7HlEfhRJMa2IpDQ.exe 7 2->8         started        12 nNWrSbOkpRNADs.exe 5 2->12         started        signatures3 process4 file5 40 C:\Users\user\AppData\...\nNWrSbOkpRNADs.exe, PE32 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmp864E.tmp, XML 8->42 dropped 60 Uses schtasks.exe or at.exe to add and modify task schedules 8->60 62 Writes to foreign memory regions 8->62 64 Allocates memory in foreign processes 8->64 66 Adds a directory exclusion to Windows Defender 8->66 14 RegSvcs.exe 15 2 8->14         started        18 RegSvcs.exe 8->18         started        20 powershell.exe 22 8->20         started        26 3 other processes 8->26 68 Multi AV Scanner detection for dropped file 12->68 70 Injects a PE file into a foreign processes 12->70 22 RegSvcs.exe 12->22         started        24 schtasks.exe 12->24         started        signatures6 process7 dnsIp8 48 mail.wasstech.com 204.93.196.181, 49711, 49714, 587 SERVERCENTRALUS United States 14->48 50 api.ipify.org 104.26.13.205, 443, 49709, 49713 CLOUDFLARENETUS United States 14->50 72 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->72 28 conhost.exe 20->28         started        30 WmiPrvSE.exe 20->30         started        74 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->74 76 Tries to steal Mail credentials (via file / registry access) 22->76 78 Tries to harvest and steal browser information (history, passwords, etc) 22->78 32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        36 conhost.exe 26->36         started        38 conhost.exe 26->38         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a4f509e7ddd46a832bc8deed743dd03adffc1b613adcffdf751b39a48f540af8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a4f509e7ddd46a832bc8deed743dd03adffc1b613adcffdf751b39a48f540af8/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-02-16 07:46:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ut2qtz652rvigk6i33wxipoqhlp7yg3bhlop7x3vdm42jd2ubl4a._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
04f59143e6d05f2b94cd081c398b7e4dc6ab486fa83e67194b13582faaa8727a
AgentTesla
1100b4580e6299445e00a5c268060f3ae748fe19e3879b84a39cd35f5fce8626
AgentTesla
1dac4ab4868d037d994a746f135c301f6ddd951b0065b14f2e4a57654d3d91d3
AgentTesla
2664a1d8094c5c72b70c0d1938a6e5bbab3d1edf949b39c355722902a8c48924
AgentTesla
5d19d49dc5225e447f080b6d6e1ed941955ae51e0ad072c39238155cdd4fd239
AgentTesla
b47ffabfc2167bf65657752d6088277a5dd033b99e04fb923f4301ea4962fc9f
AgentTesla
da75778d7ebfe9d20f3f4e0d39691afbbf0aab526d509dae99010c92381c042a
AgentTesla
+ 5'769 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/240220-mkyf3seh8s/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
ab3d870b57ffaac449078340a00ba6e0b2bd551444b1fd04fb2e26f80591f044
MD5 hash:
45e5bc690da784b17a8712f0c9d90b9e
SHA1 hash:
ee44c7590640799d7cf17e7fea505d0fea1741f0
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/71ef9d46-9a32-47cb-866c-ab8c66a992db/
Parent samples :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 hash:
72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628
MD5 hash:
2a8240bba06e832ee5d136a0a7e5b5b9
SHA1 hash:
de49d9b33004a4a622a4279b3ee2b3e3e5cd012b
Link:
https://www.unpac.me/results/71ef9d46-9a32-47cb-866c-ab8c66a992db/
SH256 hash:
529c57689db9a1b02096aae8351fd7f06b6a9fa5f31b5977f9f6be4abc8c5142
MD5 hash:
64b313af534701e5020fd37022ee48f8
SHA1 hash:
7336b4acd37ce1febb501307fea8539f38770dbf
Link:
https://www.unpac.me/results/71ef9d46-9a32-47cb-866c-ab8c66a992db/
SH256 hash:
1e9aee1d333d47f47fd8c8462ff18251e456c5cb8b348b715175e8e1cd3ce345
MD5 hash:
d1139aeaa89e94e8e5b88f6d2c15a697
SHA1 hash:
4eb1a1bca87ed39291cd190044738a94d7f93f9e
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/71ef9d46-9a32-47cb-866c-ab8c66a992db/
Parent samples :
5d19d49dc5225e447f080b6d6e1ed941955ae51e0ad072c39238155cdd4fd239
f75d0156599da4c4b6b083ca393904458e7aa85a131453189a47b446841f87dc
2664a1d8094c5c72b70c0d1938a6e5bbab3d1edf949b39c355722902a8c48924
b47ffabfc2167bf65657752d6088277a5dd033b99e04fb923f4301ea4962fc9f
a4f509e7ddd46a832bc8deed743dd03adffc1b613adcffdf751b39a48f540af8
f7ae4f88854fc45970910be0459c5bddeefcb3d36b79485587fa1d6f53e9cec0
SH256 hash:
a4f509e7ddd46a832bc8deed743dd03adffc1b613adcffdf751b39a48f540af8
MD5 hash:
0b5be6e23a6e332c3ce80a8f099a0593
SHA1 hash:
1e2997d6831dd4270649be7befe4428f4419cef1
Link:
https://www.unpac.me/results/71ef9d46-9a32-47cb-866c-ab8c66a992db/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a4f509e7ddd4/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/a4f509e7ddd46a832bc8deed743dd03adffc1b613adcffdf751b39a48f540af8

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
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
Rule name:Windows_Generic_Threat_9f4a80b2
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe a4f509e7ddd46a832bc8deed743dd03adffc1b613adcffdf751b39a48f540af8

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/477031/

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