MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51b876a69b009876c5b2ecd9cc8c82474bfd901ce12e3821a6cdaf245c429350. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51b876a69b009876c5b2ecd9cc8c82474bfd901ce12e3821a6cdaf245c429350
SHA3-384 hash: 8a65d2970fbc013d3da1d6e3c61df956050b352348afa608a11d78c6a4016823f17d00e93c25afd4274091b2fa214c88
SHA1 hash: a7ca1be526b75f7a89a9483780978c4f9f4b8720
MD5 hash: e0fdba349d3332fb4e64020ad42d9879
humanhash: four-sink-vermont-eleven
File name:Resume For a Job.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:493'568 bytes
First seen:2020-06-18 15:54:54 UTC
Last seen:2020-06-18 17:42:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'598 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:mneSZEgn05KWiYBSGle6mQTtADfZPGJZmVVXYFbx7yMTK2iN:mnePc9WtBSr6mQTt6ZeJ4VVCwGK1
Threatray 10'631 similar samples on MalwareBazaar
TLSH 8DA4236DBDA0871DE9CD97B9AA735E4183BDC2043503E37E4FA0E1FA2E7636054191A3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: hotmail.com
Sending IP: 37.49.224.4
From: sheikh.humayoun@hotmail.com
Subject: Resume For a Job
Attachment: Resume For a Job.zip (contains "Resume For a Job.exe")

AgentTesla SMTP exfil server:
smtp.bnb-spa.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/8766/
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-18 17:34:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
28 of 31 (90.32%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kg4hnju3acmhnrns5tm4zdeci5f73ea44exdqingzwxsixccsnia._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
502af7a05bc0c28cbe7647ecb41776119f457dc21724e1ff887c15e23b33ecc6
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7965e56d288f6cdd4ae1c7f260dd5ddb1e6fb1c1485ff3d78f50fc1cbcb0b7ee
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a81b0fa11e6bc26ac9811b8c3bb924d629c1395f8e6421e27acf9e76e71ef753
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a9315a98562f1a328bb067ad4c9633a90f327a987f3f08d5ca6d57f3f5e36c8d
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b728bdb1b447a5ddaee163be25143ee8c04de2a71505eb61ad5a4001a8198084
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f03f7b19fd5b10cadcce4dcdaf7bc0f3e623a2ba1d6677e767c5ee4e3a042a66
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f36bf6872593ea74f1e49facee9f8fead3527e09de2a810ca7f14bfd3f1191d0
AgentTesla
+ 10'621 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/200624-9hrcqlqsds/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious use of SetThreadContext
Adds Run entry to start application
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
AgentTesla
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: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

zip a0dd74173daed455ff0a9effab40119d6e43771f5b1adc7a9a6aeba244bcdc9b

AgentTesla

Executable exe 51b876a69b009876c5b2ecd9cc8c82474bfd901ce12e3821a6cdaf245c429350

(this sample)

  
Dropped by
MD5 808b743e8b3cd51cc936eca905600b87
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 a0dd74173daed455ff0a9effab40119d6e43771f5b1adc7a9a6aeba244bcdc9b
Cape
Cape
https://www.capesandbox.com/analysis/8766/

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