MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41a7a4e95d4881c79a80b17cce3cc854db63e60ad334cd7d454d2aa489ffa95e. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 41a7a4e95d4881c79a80b17cce3cc854db63e60ad334cd7d454d2aa489ffa95e
SHA3-384 hash: 9b8f0ec2a53c11bfcaf8e8c6d162443129fadcb3d5b8f35b9212544b12d757e38a15479e1c42d120fd331cfbbf6fd85f
SHA1 hash: e644c59e0dedfd7943c950d8f33938776be91cdb
MD5 hash: 2a2a8564ad128b54843a01cd01f71ebb
humanhash: wisconsin-river-alaska-april
File name:2a2a8564ad128b54843a01cd01f71ebb.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:2'318'848 bytes
First seen:2021-05-04 15:32:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:52XQU2ypN5ZE1XcgK4vBLsK4YxNnehPBDmIV:52XQU2yTau7qe3d
Threatray 4'450 similar samples on MalwareBazaar
TLSH 77B54A5522A86E05F93E57B48730442C47F6BD17DB72DB9EAC84B0891FB37C18B1A722
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
115
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.PackedNET.624-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/710434
Signature
Contains functionality to register a low level keyboard hook
Found malware configuration
Installs a global keyboard hook
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 access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 404138 Sample: XB4xS94168.exe Startdate: 04/05/2021 Architecture: WINDOWS Score: 100 27 Found malware configuration 2->27 29 Multi AV Scanner detection for dropped file 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 3 other signatures 2->33 7 XB4xS94168.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\...\LlzPFtOggIJGGa.exe, PE32 7->19 dropped 21 C:\Users\user\AppData\Local\...\tmp57BF.tmp, XML 7->21 dropped 23 C:\Users\user\AppData\...\XB4xS94168.exe.log, ASCII 7->23 dropped 35 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->35 37 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->37 39 Contains functionality to register a low level keyboard hook 7->39 41 Uses schtasks.exe or at.exe to add and modify task schedules 7->41 11 XB4xS94168.exe 6 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 25 mail.privateemail.com 198.54.122.60, 49741, 49742, 587 NAMECHEAP-NETUS United States 11->25 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file access) 11->45 47 Tries to harvest and steal ftp login credentials 11->47 49 2 other signatures 11->49 17 conhost.exe 15->17         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/41a7a4e95d4881c79a80b17cce3cc854db63e60ad334cd7d454d2aa489ffa95e/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-05-04 14:29:56 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=igt2j2k5jca4pguawf6m4pgiktnwhzqk2m2m27kfjuvkjcp7vfpa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
12758eea50a5f2637e5588c99cfe1ad7408b5214d952ef41cf186e0dfcb56dd0
AgentTesla
1b61b157db50652678e1e288cfce86f6c74e40f50a468f6d04d0010c84235210
AgentTesla
4b6ee615bf81f53ae678c3430249da8578e2fd2d2026a36ec3993cf8fbf8f70d
AgentTesla
4ee357dd7681ca5f80acaeb7d55df4432de5d370c73e6bb887e3461b6ed537f8
AgentTesla
82ef3328a2ec113a17b123d3dac940a0c204a6cb1d636e29860751e8daf1a21c
AgentTesla
ae86688173bc179c5ee6a48d56618aa007a77720213568e5d4115430829f2cac
AgentTesla
ca8d2b47b68c7da2724b641ced05c71eb70b612b7fe02d9b2d89764d68b05be0
AgentTesla
e2d92dd0533af813efd89ee34df68fecc5100ce88600733507fa70e40d2d486e
AgentTesla
e3034bf8e50bc953c8be781a0e950e2c00402cb265f871e82343accb45562fa4
AgentTesla
e8785ac783e08fc75a9ff9874af699975bbb161b54d24b51cc72bdac57a8179d
AgentTesla
+ 4'440 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/210504-z8g1qfrsxn/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
bdf79e57b5574f9bafb56f6d0592f5ee429df7eb0ad536fbdb4f2956aae36f87
MD5 hash:
826b29e2a141b055a5491c9d7dc6eea7
SHA1 hash:
af4201362b8603bf7e4b6e2ead1cfb610dd7c0a9
Link:
https://www.unpac.me/results/5c59f9f4-a30f-49da-8964-0ed0b6cad2eb/
SH256 hash:
41a7a4e95d4881c79a80b17cce3cc854db63e60ad334cd7d454d2aa489ffa95e
MD5 hash:
2a2a8564ad128b54843a01cd01f71ebb
SHA1 hash:
e644c59e0dedfd7943c950d8f33938776be91cdb
Link:
https://www.unpac.me/results/5c59f9f4-a30f-49da-8964-0ed0b6cad2eb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/41a7a4e95d4881c79a80b17cce3cc854db63e60ad334cd7d454d2aa489ffa95e

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:pe_imphash
Create hunting rule

File information

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

Web download

AgentTesla

Executable exe 41a7a4e95d4881c79a80b17cce3cc854db63e60ad334cd7d454d2aa489ffa95e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1193005/
  
Delivery method
Distributed via web download

Comments