MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5e3cf860ae17fce81028e47357db9eb1d4fd83bce5dfe676826d3caf98667d3. 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: 18


Intelligence 18 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5e3cf860ae17fce81028e47357db9eb1d4fd83bce5dfe676826d3caf98667d3
SHA3-384 hash: ff95cf01ae6905287a2eb57eddc4c8c048c46a8d74d8e38ae758e970186772a7e8e0de454b0036b8cbb397ea4fced23c
SHA1 hash: 0c74d086088a9fc5292a303fb88b4f3dd547fc34
MD5 hash: 96d767fa4cd00e1742011ebb27fb7d31
humanhash: finch-friend-robin-nineteen
File name:SecuriteInfo.com.Win32.PWSX-gen.17303.31737
Download: download sample
Signature AgentTesla
Create hunting rule
File size:570'368 bytes
First seen:2023-07-17 11:40:15 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 12288:nms+qR7oS3Jq8eeQENH7rV8p+DzVcFjU3LqTrQaSejL8ZX:nms+Cvq8eeQ0HnhDzVOYbqTrQaSejL8Z
Threatray 493 similar samples on MalwareBazaar
TLSH T18BC4BF38503C87AFE757DBBAE430219213F013662AF2E38CCCB6659F3E75624A1505B6
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 SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
282
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
invoice and PL.doc
Verdict:
Malicious activity
Analysis date:
2023-07-17 08:14:48 UTC
Tags:
exploit cve-2017-11882 loader agenttesla stealer
Link:
https://app.any.run/tasks/424c4054-13f6-45b5-a6b1-528e3f9749db

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/422183/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.17303.31737.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 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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys comodo lokibot packed
Link:
https://www.filescan.io/uploads/64b528d0f3c193545ac5f3fc/reports/47bc2bcb-e4e9-4cd6-a13a-0f9c8033426f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b5e3cf860ae17fce81028e47357db9eb1d4fd83bce5dfe676826d3caf98667d3
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/cc41b18b-967d-49cc-b143-c030edc90bb7
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1274378
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
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
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1274378 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 17/07/2023 Architecture: WINDOWS Score: 100 49 Found malware configuration 2->49 51 Sigma detected: Scheduled temp file as task from temp location 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 4 other signatures 2->55 7 SecuriteInfo.com.Win32.PWSX-gen.17303.31737.exe 7 2->7         started        11 dEzojIwc.exe 5 2->11         started        process3 file4 31 C:\Users\user\AppData\Roaming\dEzojIwc.exe, PE32 7->31 dropped 33 C:\Users\...\dEzojIwc.exe:Zone.Identifier, ASCII 7->33 dropped 35 C:\Users\user\AppData\Local\...\tmp3922.tmp, XML 7->35 dropped 37 SecuriteInfo.com.W...17303.31737.exe.log, ASCII 7->37 dropped 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->57 59 May check the online IP address of the machine 7->59 61 Uses schtasks.exe or at.exe to add and modify task schedules 7->61 63 Adds a directory exclusion to Windows Defender 7->63 13 SecuriteInfo.com.Win32.PWSX-gen.17303.31737.exe 15 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        65 Multi AV Scanner detection for dropped file 11->65 67 Machine Learning detection for dropped file 11->67 21 dEzojIwc.exe 2 11->21         started        23 schtasks.exe 1 11->23         started        signatures5 process6 dnsIp7 39 mail.synergysystem.in 119.18.54.176, 49714, 49718, 587 PUBLIC-DOMAIN-REGISTRYUS India 13->39 41 api4.ipify.org 104.237.62.211, 443, 49713 WEBNXUS United States 13->41 47 2 other IPs or domains 13->47 69 Installs a global keyboard hook 13->69 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        43 173.231.16.76, 443, 49717 WEBNXUS United States 21->43 45 api.ipify.org 21->45 71 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->71 73 Tries to steal Mail credentials (via file / registry access) 21->73 75 Tries to harvest and steal browser information (history, passwords, etc) 21->75 29 conhost.exe 23->29         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b5e3cf860ae17fce81028e47357db9eb1d4fd83bce5dfe676826d3caf98667d3/
Threat name:
Win32.Trojan.Nekark
Create hunting rule
Status:
Malicious
First seen:
2023-07-17 11:41:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wxr47bqk4f745aicrzdtk7nz5mou7wb3zzo74z3ie3j4v6mgm7jq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
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1c4912d724ce2c46bef48e510e3203d1b460c77cc16f3fc2eaec561499b37302
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561298773e3378c79eb901e74870a3b9499fb7cde36fe39fd4848b0004496501
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71a0f6429f7199e64b3c6d852696a9a8721e6f95598e279f276cfdf22db4e5b5
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73ca2bb8b5a217092150b3fc0fc469416868198b11179e51a05d18840742c2ac
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7a08e064522b59f7198565d2437e6c1347837fc3bb0ddb2077e358d061160484
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7bf021754d5ad2b4bb1573eaa984eb7fd752a3594b759caa79cae4bb602dc05f
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97bd79e26600f552bfb5764aec1606acb63b830b5fefb807d12fe2088854a3cc
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aa5af03ce3f907fb786a8b3247b9f55e4f9e0edec98568cdb517ff1a1366aaf0
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e759e9073f2e56d15cdd2265d5a2540ae6fb56f7be1137ea43e95b1486b2503a
AgentTesla
+ 483 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/230717-nte7jacb91/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
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:
1ac089c65d47339b67c9631099ade140f51ece21dd0ab7821fcb0b20671b8e60
MD5 hash:
c94d58eae5cd24e869db583509facc14
SHA1 hash:
b19911dea89d870c4288665ba6c3a69ed705aa2b
Link:
https://www.unpac.me/results/dee36638-cddc-431d-adde-bbb54174e122/
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
Link:
https://www.unpac.me/results/dee36638-cddc-431d-adde-bbb54174e122/
SH256 hash:
3e24c77fe108059f14fe61b8400c5fe023dc2b0ec7c4fe23fa9911681086f7a9
MD5 hash:
a5228b97b33467ac41fac5cac2718252
SHA1 hash:
28bb020c8a53b046fc8e8106f2913e62c5941a0d
Link:
https://www.unpac.me/results/dee36638-cddc-431d-adde-bbb54174e122/
SH256 hash:
6a7cfdc27d9f164fa130797a364b4209964f3486904d4cbe9895ccdd45ca8a71
MD5 hash:
030f2147f14bc7be0ff6b2964df908ab
SHA1 hash:
12b19bccb416acc3728d9318cd944cf63f24d1ed
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/dee36638-cddc-431d-adde-bbb54174e122/
Parent samples :
b5e3cf860ae17fce81028e47357db9eb1d4fd83bce5dfe676826d3caf98667d3
f71a25eba39e485b06a0d11f5dd097540200f52f5f25726b9d61c0272ffdb21e
SH256 hash:
b5e3cf860ae17fce81028e47357db9eb1d4fd83bce5dfe676826d3caf98667d3
MD5 hash:
96d767fa4cd00e1742011ebb27fb7d31
SHA1 hash:
0c74d086088a9fc5292a303fb88b4f3dd547fc34
Link:
https://www.unpac.me/results/dee36638-cddc-431d-adde-bbb54174e122/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b5e3cf860ae1/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/b5e3cf860ae17fce81028e47357db9eb1d4fd83bce5dfe676826d3caf98667d3

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:AgentTeslaV4
Create hunting rule
Author:Rony (r0ny_123)
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
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 b5e3cf860ae17fce81028e47357db9eb1d4fd83bce5dfe676826d3caf98667d3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2684380/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/422183/

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