MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c90e8c00718440709f2a708d2144adb877b2908b024e7a94bc20b4f9eb0ee92c. 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: c90e8c00718440709f2a708d2144adb877b2908b024e7a94bc20b4f9eb0ee92c
SHA3-384 hash: c8a2fd3105df48d0cc51d8fc1eacfb4f8e3249d65a127da8326651fbd27fece5e777301e02d1d4baf71b615715589d38
SHA1 hash: 225e8816eb8b24af6504d9b149bc4db4a350ea92
MD5 hash: 81cc6cad17b05f8f3fe42d96096ad63a
humanhash: missouri-east-london-washington
File name:PI-739.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:456'704 bytes
First seen:2020-06-04 06:42:58 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:l4CoPsccMCYrHEAJH/OHax0x4ytcFj2jfoTZs:MnLJHS6ytcJMf7
Threatray 11'434 similar samples on MalwareBazaar
TLSH F3A4D02176AC6D63C63D24FA0AC2A40603F58929656BF3DD9CC361DF68D7F844B21AD3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: smtp79.iad3a.emailsrvr.com
Sending IP: 173.203.187.79
From: exim3@unifreightmovers.com <exim3@unifreightmovers.com>
Subject: Re:PROFORMA INVOICE
Attachment: PI-739.zip (contains "PI-739.exe")

AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-04 06:19:25 UTC
AV detection:
27 of 48 (56.25%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zehiyadrqrahbhzkocgscrfnxb33feelajhhvff4ec2pt2yo5ewa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0b2ade3b609fe52eb27078440fe30c4983138af0a04bda84e92df8830338c9b1
AgentTesla
2488817fd7589194d1a7781f8975be361c8153177af6f79c9c5b06960810f05c
AgentTesla
4e774e246fa4dd908e0a00d2eb267adf73e04620de3e7832d9e5d4e7e3b14cfa
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57f1c863e4e30e3daf8c2615372fc1961ec72e92de7b6eab13b08f25656d1530
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6163f1bf34c821d55a7e532009adc95ba921b28578a58336e5b01f6c09d4dad4
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6cfbadda39347174fd7297b3e3a34e2f8671badfdc5d9daacb1ad6da259988a4
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764faf8d3be8afed56e8c6f98c43de9404f5f835df197dc295d30b134565f82e
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7ec2b40879d6be8a8c6b6ba239d5ae547604ad2605de0d2501a4cca25915afa1
AgentTesla
9a813db555b2a251a1068f50b1b02d642bb570337058f7f3a7028cafccbe1f54
AgentTesla
ca2e54b05185ed7f76ba5ccf9f24a2e607a6322fdbd1acbc37902e4dac015697
AgentTesla
+ 11'424 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-rn4efqm75e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
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 8d0d8746df333386fe1343a0a058f35258c7637375cf7e671d7a28c9bd2a5b77

AgentTesla

Executable exe c90e8c00718440709f2a708d2144adb877b2908b024e7a94bc20b4f9eb0ee92c

(this sample)

  
Dropped by
MD5 439cf832f76eaf8ab226dca37a476250
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 8d0d8746df333386fe1343a0a058f35258c7637375cf7e671d7a28c9bd2a5b77

Comments