MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef0e3fa0b391bdc3f8a6314ba3ca48cda4cea5a8e8e75f81681d70eaf4f3e39b. 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: ef0e3fa0b391bdc3f8a6314ba3ca48cda4cea5a8e8e75f81681d70eaf4f3e39b
SHA3-384 hash: fee5a8231359cc355fc0d4d84bd78c235ffd3dc2b664517174960901e73f6ee4777706066486545761f3af6320d2dd90
SHA1 hash: c2db8b58caf8bb1d1114c95c9ef83e8980bda759
MD5 hash: e3d02f8f674ee70cbb888c94f6f67d14
humanhash: carpet-six-queen-mockingbird
File name:crypted.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:592'896 bytes
First seen:2020-05-08 08:51:44 UTC
Last seen:2020-05-12 08:25:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:UNPKhKXIt73Ik+v43DtaRk2SPQBb2sSoos747VP5B7F1dm95swarc5Wpoq9pg8nd:bKXIt73IkS4P2Q6bMN5B75ourKWp1pgc
Threatray 10'637 similar samples on MalwareBazaar
TLSH 6DC4D0387758762FCAFD937B80AA110E77F981B1258BEBA5886361D30A07353F5A3147
Reporter abuse_ch
Tags:AgentTesla exe geo Halkbank TUR


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.hamdikucuk.com.tr
Sending IP: 176.236.52.186
From: Halkbank Internet Subesi i <internet.subesi@halkbank.com.tr>
Reply-To: ZIRAAT internet.subesi@halkbank.com.tr@mail.hamdikucuk.com.tr
Subject: 08.05.2020 TARİHLİ DEKONT
Attachment: DEKONT PDF.bz (contains "crypted.exe")

AgentTesla SMTP exfil server:
mail.mkkarakosemobilya.com:587

AgentTesla SMTP exfil email address:
mahmut@mkkarakosemobilya.com

Intelligence

File Origin
# of uploads :
2
# of downloads :
93
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-08 09:36:09 UTC
AV detection:
25 of 30 (83.33%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=54hd7iftsg64h6fggff2hssizwsm5jni5dtv7alidvyov5ht4onq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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b96866f87f4e27d9e92908fe39a09bd95e88e07a57bdea110113a65e77979aee
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+ 10'627 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-1rlz8hsmgn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
ServiceHost packer
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 67d873a2f758712fdd468d631a19f867503b6a2e2f0b4be5d21ab27cd7e65bd2

AgentTesla

Executable exe ef0e3fa0b391bdc3f8a6314ba3ca48cda4cea5a8e8e75f81681d70eaf4f3e39b

(this sample)

  
Dropped by
MD5 994bd99f73f2a9a7a90a2689c4efd70d
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 67d873a2f758712fdd468d631a19f867503b6a2e2f0b4be5d21ab27cd7e65bd2

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