MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 555e27d82c4ff9aaafe90372917e917289b4805fe8c8117c825d9defcede175d. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 555e27d82c4ff9aaafe90372917e917289b4805fe8c8117c825d9defcede175d
SHA3-384 hash: e150106dcef78fbf78f64f905ac344c0736f2478f56d650df671d0f40782684f50eb993d7e562818381d9d272eda912e
SHA1 hash: f3454b50f6a75e5a479b2e9ddda0dc325d064ede
MD5 hash: 20ba30621c7a3275a7f903e3730c5c5d
humanhash: shade-eight-pip-winter
File name:PO-00100702020.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:508'928 bytes
First seen:2020-07-20 10:15:49 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:Rhg2iNG2k4zURWfDMNkGhuObGziDY0hG3:Rm1mUDGRYJ3
Threatray 11'296 similar samples on MalwareBazaar
TLSH 31B4E0DC6E28A527CAAC0DF84865DA3096B45D51F0F2F3852BD0FE9F35723D4E502A62
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/28916/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/391309
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 248037 Sample: PO-00100702020.exe Startdate: 20/07/2020 Architecture: WINDOWS Score: 100 56 Found malware configuration 2->56 58 Multi AV Scanner detection for dropped file 2->58 60 Sigma detected: Scheduled temp file as task from temp location 2->60 62 3 other signatures 2->62 7 PO-00100702020.exe 5 2->7         started        11 YYtJku.exe 1 2->11         started        13 YYtJku.exe 2->13         started        process3 file4 32 C:\Users\user\AppData\...\eAToWkKdGJKY.exe, PE32 7->32 dropped 34 C:\Users\user\AppData\Local\Temp\tmpC2.tmp, XML 7->34 dropped 36 C:\Users\user\...\PO-00100702020.exe.log, ASCII 7->36 dropped 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->64 66 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->66 15 PO-00100702020.exe 1 5 7->15         started        20 schtasks.exe 1 7->20         started        68 Multi AV Scanner detection for dropped file 11->68 22 YYtJku.exe 2 11->22         started        24 YYtJku.exe 13->24         started        signatures5 process6 dnsIp7 38 smtp.yandex.ru 77.88.21.158, 49716, 49717, 587 YANDEXRU Russian Federation 15->38 40 smtp.yandex.com 15->40 28 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 15->28 dropped 30 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 15->30 dropped 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->44 46 Moves itself to temp directory 15->46 48 Tries to steal Mail credentials (via file access) 15->48 26 conhost.exe 20->26         started        42 smtp.yandex.com 22->42 50 Tries to harvest and steal ftp login credentials 22->50 52 Tries to harvest and steal browser information (history, passwords, etc) 22->52 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->54 file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/555e27d82c4ff9aaafe90372917e917289b4805fe8c8117c825d9defcede175d/
Threat name:
ByteCode-MSIL.Trojan.Masslogger
Create hunting rule
Status:
Malicious
First seen:
2020-07-20 10:17:06 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kvpcpwbmj742vl7janzjc7uroke3jac75debc7eclwo67tw6c5oq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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20486793ae98833178cb24180d58511ac0ec100a3c341b7a956b95a13cdd1e72
AgentTesla
3b91f298cfdb9541f0d548a38576e37012c645926ab3383d21677087c107b52f
AgentTesla
7a477a446769be5e8f006df9f0b2a77439d269acca020f44954ec93a98252164
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d0f9d0ea9402b6e61e273a5e80ef4c693a1c595414d288a73717efd549e361db
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d1ae53434dc30f928a0062ca8e93b070a4c3e359c9709875e59c332dc6170b6e
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d40dc76cf166b3c5f95229359dfb205460c69ea054eba50c3a00b04efad88999
AgentTesla
d55d2d247eede293c57801a6c95d720cd632836800d3bc4f778a2fbda27e5006
AgentTesla
ec6cfe036b88320b3208921df633e7ec0e1fbd3353e6fdc9d621d5cce1b9a27d
AgentTesla
ef39f799a276b70651440c8b7e61b9095567fe2ab3a2b35a7f61d9bd116eca7b
AgentTesla
fdcfe91ecf3940c58623a8e641bbb8065ce851de470f17c98bba19b9d05b0832
AgentTesla
+ 11'286 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200720-q1vl6mbdxa/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Creates scheduled task(s)
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/555e27d82c4ff9aaafe90372917e917289b4805fe8c8117c825d9defcede175d

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_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

Malspam

AgentTesla

Executable exe 555e27d82c4ff9aaafe90372917e917289b4805fe8c8117c825d9defcede175d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/28916/

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