MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 956338e6d5c9af567addc3d16a0026d124aaa3d0657471e0e0bdd8d87c3ee762. 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: 956338e6d5c9af567addc3d16a0026d124aaa3d0657471e0e0bdd8d87c3ee762
SHA3-384 hash: 9ae50b75df5ed784ebb53cce04bf89a681ac8f482eee2a855aac1710a88c185821e57db6393cecb0de2317894558c669
SHA1 hash: 051c78fde7a38263e7325de811ab699e5db39417
MD5 hash: da0d23618c8c21787ac6aa7d3831679a
humanhash: sodium-cola-louisiana-nevada
File name:SAR EFILLING.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:557'056 bytes
First seen:2020-05-21 10:06:44 UTC
Last seen:2020-05-21 11:14:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:nld0O4v8zUKC2PFMshF3CzxD9redFjK3+ye:nb4v2UKnz4zzr1i
TLSH CCC4125037E8E765E6BA8BF818707A601376325B5932C28C0C56B1DF5E37F81C692B93
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: demm.duckdns.org
Sending IP: 185.144.159.163
From: noreply@sars.gov.za
Subject: SARS eFiling Letter Notification
Attachment: SAR EFILLING.Z (contains "SAR EFILLING.exe")

AgentTesla SMTP exfil server:
zstcznz.org:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.17.26607.31835.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-21 08:49:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
23 of 31 (74.19%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=svrtrzwvzgxvm6w5ypiwuabg2eskvi6qmv2hdyhaxxmnq7b645ra._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-ypz9dr5jcx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
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
AgentTesla Payload
rezer0
AgentTesla
CoreEntity .NET Packer
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

z abe72a52290291b40bddddb4a38c09e8922ce33b4d3a1fdcdb744ff1bb7fd261

AgentTesla

Executable exe 956338e6d5c9af567addc3d16a0026d124aaa3d0657471e0e0bdd8d87c3ee762

(this sample)

  
Dropped by
MD5 c69bab612409407834937281fb667607
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 abe72a52290291b40bddddb4a38c09e8922ce33b4d3a1fdcdb744ff1bb7fd261

Comments