MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25f1faa21822093733dca0e351a69073d713e3c698ce130b02bf9ec93576bf21. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: 25f1faa21822093733dca0e351a69073d713e3c698ce130b02bf9ec93576bf21
SHA3-384 hash: 52b4760d55fb12e5353d0edb28f56b7dc115133420dba361d3f64d25bb2d3bc7556ac1cfedb54937e4397081cf636c61
SHA1 hash: 4f29166f695c511b40576ddedc2a05794d500f90
MD5 hash: ec98330a94a299b1cc0fad8fb673797b
humanhash: mexico-red-pip-earth
File name:ec98330a94a299b1cc0fad8fb673797b.exe
Download: download sample
Signature AgentTesla
File size:983'552 bytes
First seen:2022-03-14 19:01:29 UTC
Last seen:2022-04-20 09:51:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:4yBexHonuIsEm5OhWwuDOYlV+rtyIhzA:4yBOiu5OkTDtlVINhzA
Threatray 16'424 similar samples on MalwareBazaar
TLSH T1D925F1A03E596FD2F9395BF4005A46AEC3E329562E13D5791FF02EC7041FF029666A23
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.ghaihieb.com:587

Intelligence


File Origin
# of uploads :
3
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 588930 Sample: xbZR2uy6pb.exe Startdate: 14/03/2022 Architecture: WINDOWS Score: 100 34 mail.ghaihieb.com 2->34 36 ghaihieb.com 2->36 54 Malicious sample detected (through community Yara rule) 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 Yara detected AgentTesla 2->58 60 4 other signatures 2->60 7 xbZR2uy6pb.exe 3 2->7         started        11 GxgIcYx.exe 3 2->11         started        13 GxgIcYx.exe 2 2->13         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\xbZR2uy6pb.exe.log, ASCII 7->32 dropped 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->62 64 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->64 66 Injects a PE file into a foreign processes 7->66 15 xbZR2uy6pb.exe 2 5 7->15         started        68 Multi AV Scanner detection for dropped file 11->68 70 Machine Learning detection for dropped file 11->70 20 GxgIcYx.exe 2 11->20         started        22 GxgIcYx.exe 2 13->22         started        24 GxgIcYx.exe 13->24         started        26 GxgIcYx.exe 13->26         started        signatures6 process7 dnsIp8 38 ghaihieb.com 83.149.93.194, 49781, 49789, 49790 LEASEWEB-NL-AMS-01NetherlandsNL Netherlands 15->38 40 192.168.2.1 unknown unknown 15->40 42 mail.ghaihieb.com 15->42 28 C:\Users\user\AppData\Roaming\...behaviorgraphxgIcYx.exe, PE32 15->28 dropped 30 C:\Users\user\...behaviorgraphxgIcYx.exe:Zone.Identifier, ASCII 15->30 dropped 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->44 46 Tries to steal Mail credentials (via file / registry access) 15->46 48 Tries to harvest and steal ftp login credentials 15->48 52 2 other signatures 15->52 50 Tries to harvest and steal browser information (history, passwords, etc) 22->50 file9 signatures10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-14 19:02:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
22 of 27 (81.48%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
collection persistence spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
c7f2aeee21542208464710dea6f8701826e83bfc10c2d8d9360af53c01422fcb
MD5 hash:
4cfe1096e550d427f6a653da8f41248a
SHA1 hash:
8a2fcd09640c93a387dc8f5f65386205a5354749
SH256 hash:
7df77e14c54b40a1e439dde6b6a9bf0050b802bc847947f6550f281ecbede39d
MD5 hash:
d1a4ccda88627970d89caa7edd23c1de
SHA1 hash:
613e57f678feba2cfc4ae58386aa1bfa6ca92e78
SH256 hash:
5b7da029d64cea05a37737af6d68281d089430389f07168b6d4caa83792cc675
MD5 hash:
6cd61188afd9a9597b61c5431eee062d
SHA1 hash:
3e580950318104d6db7f4fe9e4ba26c4a88d4a0a
SH256 hash:
349d790faeb7185ddd30221fae82d8da92704bd2b3cc8cf094e964159f380fd6
MD5 hash:
b7dca978c18cffe62fd4551df2787e2a
SHA1 hash:
27e23d928d04e85d44fe0b73023fbfc03cd16270
SH256 hash:
25f1faa21822093733dca0e351a69073d713e3c698ce130b02bf9ec93576bf21
MD5 hash:
ec98330a94a299b1cc0fad8fb673797b
SHA1 hash:
4f29166f695c511b40576ddedc2a05794d500f90
Please note that we are no longer able to provide a coverage score for Virus Total.

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:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 25f1faa21822093733dca0e351a69073d713e3c698ce130b02bf9ec93576bf21

(this sample)

  
Delivery method
Distributed via web download

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