MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c99d0b434418dcf5e39b3389aebabfd10bd9920e5ca670bdedc08dbd0832dee2. 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: c99d0b434418dcf5e39b3389aebabfd10bd9920e5ca670bdedc08dbd0832dee2
SHA3-384 hash: 27b1ef418975cb680ba6992004e54017c6f0ad21d2a29b7141be7ca3f65178b90a892a2327c1efb930270f742e47d7bd
SHA1 hash: 1463aca8f64724d51b691a96d0f94a611ddd7d7c
MD5 hash: 7fa97016462d711791fd3b3dd16f0205
humanhash: jersey-red-lima-bulldog
File name:Quotation655511048786549..exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:432'640 bytes
First seen:2020-06-08 07:07:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:f8rGlHMciMW3PERVrwI16hJM3yRwPrfJS:RscinYdwPFRwPd
Threatray 10'679 similar samples on MalwareBazaar
TLSH 51941215A7EC8B37E53D07F8B66A2100237675177722DABC8DDB62CB5A51B018BD0B0B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: hwsrv-735199.hostwindsdns.com
Sending IP: 104.168.152.138
From: Hailey Li <hailey@howgroup.com.au>
Reply-To: rrnaocha@gmail.com
Subject: Quotation - Project: Redhill L14
Attachment: Quotation655511048786549.rar (contains "Quotation655511048786549..exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-06-08 04:37:13 UTC
AV detection:
26 of 31 (83.87%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zgoqwq2eddoply43goe25ov72ef5teqolsthbppnycg32cbs33ra._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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0d4623e27386fcbb4755a97f2552b141f7ffd67b56feea2768c49920bd0b081d
AgentTesla
32e7be2844e7be1f6ae7d262eeebe64926946ebbc8e2d91ce3760b8e1d10285c
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7d01a97eb5e90a8c74c6a16961ab1a1bff4a1408779e46cf769bb5889d2d44bc
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8621ba52e2b195af00640ccb8311cdd3a1f421f45496b5d91867fbc309d053d2
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c50ba6556752607323e0e14d5429961d9af3804d9b45f8c7755ec1709efc6af3
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dfca8cf09994229afec678b5c279d247e3e69c45f2878f816025b4933f3bc3b0
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f61fba92541b23921c7904cd689121c68b8bf69780220586227bf01c9816c68d
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f669e4406244692e23e031d355e53b51dee1b96f1e988172a2b1eabcd0d82292
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fcb07f6be2f0675c3631617fa46649f6edb9d8fc55d09fdfaee9f9c4dd577ce9
AgentTesla
+ 10'669 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/201109-rcq3exg1fa/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
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

rar 693f1fea27c05fd53c8d5bfb0d51da40f1d337fccc2f81b090b0ce92b36c14a5

AgentTesla

Executable exe c99d0b434418dcf5e39b3389aebabfd10bd9920e5ca670bdedc08dbd0832dee2

(this sample)

  
Dropped by
MD5 a734c3a4a2f35f515548277bf05bbf3e
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 693f1fea27c05fd53c8d5bfb0d51da40f1d337fccc2f81b090b0ce92b36c14a5

Comments